INSTALLER/CONSUMER
SAFETY INFORMATION
PLEASE READ THIS MANUAL
BEFORE INSTALLING AND
USING APPLIANCE
WARNING!
IF THE INFORMATION IN THIS
MANUAL IS NOT FOLLOWED EX-
ACTLY, A FIRE OR EXPLOSION MAY
RESULT CAUSING PROPERTY
DAMAGE, PERSONAL INJURY OR
Direct Vent
Models: DVRT36
DVRT39
LOSS OF LIFE.
FOR YOUR SAFETY
Installation and service must
be performed by a qualified
installer, service agency or the
gas supplier.
DVRT43
WHAT TO DO IF YOU SMELL
GAS:
• Do not try to light any appliance.
• Do not touch any electric switch;
do not use any phone in your
building.
• Immediately call your gas
supplier from your neighbor's
phone. Follow the gas suppliers
instructions.
• If you cannot reach your gas
supplier call the fire department.
DO NOT STORE OR USE
GASOLINE OR OTHER FLAM-
MABLE VAPORS AND LIQUIDS
IN THE VICINITY OF THIS OR
ANY OTHER APPLIANCE.
Homeowner's Installation &
S
G
N
E
D
Operating Manual
CERTIFIED
C
E
D
R
E
I
T
I
F
Vermont Castings, Majestic Products
410 Admiral Blvd. • Mississauga, Ontario, Canada L5T 2N6 • 905-670-7777
INSTALLER: DO NOT DISCARD THIS MANUAL - LEAVE FOR HOMEOWNER
10002428 11/03 Rev. 5
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Vermont Castings, Majestic Products DVRT36/39/43
Installation & Operating Instructions
This gas appliance should be installed by a qualified
installer in accordance with local building codes and with
current CSA-B149.1 Installation codes for Gas Burning
Appliances and Equipment. If the unit is being installed in
a mobile home, the installation should comply with the
current CAN/ CSA Z240.4 code. For U.S.A. Installations
follow local codes and/ or the current National Fuel Gas
Code, ANSI Z223.1/NFPA 54.
Proposition 65 Warning: Fuels used in gas, wood-
burning or oil fired appliances, and the products of
combustion of such fuels, contain chemicals known to
the State of California to cause cancer, birth defects and
other reproductive harm.
California Health & Safety Code Sec. 25249.6
This appliance may be installed in an aftermarket
permanently located, manufactured home or mobile home,
where not prohibited by local codes.
FOR SAFE INSTALLATION AND OPERATION, NOTE
THE FOLLOWING:
1. This fireplace gives off high temperatures and should
be located out of high traffic areas and away from
furniture and draperies.
This appliance is only for use with the type of gas indi-
cated on the rating plate. This appliance is not convertible
for use with other gases, unless a certified kit is used.
2. Children and adults should be alerted to the hazards
of the high surface temperatures of this fireplace and
should stay away to avoid burns or ignition of clothing.
The DVRT36RMH has been approved for mobile home
installations.
3. Children should be carefully supervised when in the
same room as your fireplace.
IMPORTANT:
PLEASE REVIEW THE FOLLOWING CAREFULLY
Remove any plastic from trim parts before turning the
fireplace “ON”.
4. Under no circumstances should this fireplace be
modified. Parts removed for servicing should be
replaced prior to operating this fireplace again.
It is normal for fireplaces fabricated of steel to give off
some expansion and/or contraction noises during the
start up or cool down cycle. Similar noises are found with
your furnace heat exchanger or car engine.
It is not unusual for your Vermont Castings, Majestic
Products gas fireplace to give off some odor the first time
it is burned. This is due to the curing of the paint and any
undetected oil from the manufacturing process.
Please ensure that your room is well ventilated - open
all windows.
5. Installation and any repairs to this fireplace must be
performed by a qualified installer, service agency or
gas supplier. A professional service person should be
contacted to inspect this fireplace annually. Make it a
practice to have all of your gas fireplaces checked
annually. More frequent cleaning may be required due
to excess lint and dust from carpeting, bedding
material, etc.
6. Control compartments, burners and air passages in
this fireplace should be kept clean and free of dust
and lint. Make sure the gas valve and pilot light are
turned off before you attempt to clean this fireplace.
It is recommended that you burn your fireplace for at
least ten (10) hours the first time you use it. If the optional
fan kit has been installed, place the fan switch in the
“OFF” position during this time.
7. The venting system (chimney) of this fireplace should
be checked at least once a year and if needed your
venting system should be cleaned.
8. Keep the area around your fireplace clear of
combustible materials, gasoline and other flammable
vapor and liquids. This fireplace should not be used
as a drying rack for clothing, nor should Christmas
stockings or decorations be hung in the area of it.
Locating the Fireplace
E
A
B
Y
9. Under no circumstances should any solid fuels (wood,
coal, paper or cardboard etc.) be used in this fire-
place.
X
C
10. The flow of combustion and ventilation air must not be
obstructed in any way.
D
Y
B
11. When fireplace is installed directly on carpeting, vinyl
tile or any combustible material other than wood, this
fireplace must be installed on a metal or wood panel
extending the full width and depth of the fireplace.
F
LU584-1
12. This fireplace requires adequate ventilation and
combustion air to operate properly.
Fig. 1 Locating the Gas Fireplace.
A) Flat on wall
B) Cross corner
C) Island**
/
E) Flat on wall corner
*
F) Chase installation
Y) 6 in. minimum
D) Room divider* **
13. This fireplace must not be connected to a chimney
flue serving a separate solid fuel burning fireplace.
N
otes (Fig. 1):
When you install your Vermont Castings, Majestic Products fireplace in
(D) Room divider or (E) Flat on wall corner positions, a minimum of (Y),
6 in. (153 mm) clearance must be maintained from the perpendicular
wall and the front of the fireplace.
*
14. When the fireplace is not in use it is recommended
that the gas valve be left in the “OFF” position.
Island (C) and Room Divider (D) installation is possible if the horizontal
portion of the vent system (X) does not exceed 20 ft. (610 cm). See
details in Venting Section.
**
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Vermont Castings, Majestic Products DVRT36/39/43
Fireplace Dimensions (Installed as Top Vent)
C
L
L
7" Dia.
5¹⁄₂"
(140mm)
(178mm)
Rough
Opening
Depth
F
4" Dia.
(102mm)
M
O
O
Recessed
Nailing
Flange
G
P - Rough Opening Width
(16mm)
5/
8"
R
M
Rough
Opening
Height
N
Q
C
Gas Line
Access
C
D
E
A
Gas Line
Access
Electrical
Access
4" (102mm)
2" (51mm)
I
J
I
2"
J
(51mm)
K
CFM188
Fig. 2 Fireplace specifications and framing dimensions.
Ref.
DVRT36
DVRT39
DVRT43
(1092mm)
A
B
C
D
E
F
G
H
I
36”
(914mm)
(946mm)
(870mm)
(533mm)
(835mm)
(508mm)
(362mm)
(152mm)
(140mm)
(197mm)
(273mm)
(457mm)
39”
37¹⁄₄”
34¹⁄₄”
21”
(991mm)
(946mm)
(870mm)
(533mm)
(911mm)
(619mm)
(400mm)
(152mm)
(140mm)
(216mm)
(318mm)
(495mm)
43”
40”
37”
37¹⁄₄”
34¹⁄₄”
21”
(1016mm)
(940mm)
(597mm)
23¹⁄₂”
₇
₇
₇
32 ⁄₈”
35 ⁄₈”
39 ⁄₈” (1012mm)
20”
14¹⁄₄”
6”
5¹⁄₂”
7³⁄₄”
10³⁄₄”
18”
24³⁄₈”
15³⁄₄”
6”
31”
16¹⁄₄”
6”
5¹⁄₂”
8¹⁄₂”
12¹⁄₂”
21¹⁄₂”
(787mm)
(412mm)
(152mm)
(140mm)
(216mm)
(318mm)
(546mm)
5¹⁄₂”
8¹⁄₂”
J
K
L
12¹⁄₂”
19¹⁄₂”
Framing Dimensions
M
N
O
P
Q
R
36”
51”
14¹⁄₂”
36¹⁄₂”
35”
(914mm)
(1295mm)
(368mm)
(927mm)
(889mm)
(648mm)
40”
56”
16¹⁄₂”
39¹⁄₂”
35”
(1016mm)
44”
(1118mm)
(1422mm)
(419mm)
(1003mm)
(889mm)
(711mm)
62¹⁄₄” (1581mm)
16¹⁄₂”
43¹⁄₂”
37³⁄₄”
36¹⁄₈”
(419mm)
(1105mm)
(959mm)
(918mm)
25¹⁄₂”
28”
4
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Vermont Castings, Majestic Products DVRT36/39/43
Fireplace Dimensions (Installed as Rear Vent)
C
L
M
4" Dia.(102mm)
7" Dia.
Rough
Opening
Depth
E
(178mm)
O
P
P
F
Recessed
Nailing
Flange
Q - Rough Opening Width
5/8" (16mm)
O
Rough
Opening
Height
N
G
R
B
I
B
C
D
A
Gas Line
Access
Electrical
Access
H
J
K
4" (102mm)
2" (51mm)
J
2"
K
(51mm)
L
CFM189
Fig. 3 Fireplace specifications and framing dimensions.
Ref.
DVRT36
DVRT39
DVRT43
A
B
C
D
E
F
G
H
I
36”
34¹⁄₄”
(914mm)
(870mm)
(533mm)
(835mm)
(508mm)
(362mm)
(425mm)
(641mm)
(730mm)
(140mm)
(197mm)
(273mm)
(457mm)
39” (991mm)
34¹⁄₄” (870mm)
21” (533mm)
43”
37”
(1092mm)
(940mm)
(597mm)
21”
23¹⁄₂”
₇
₇
₇
32 ⁄₈”
35 ⁄₈” (911mm)
39 ⁄₈” (1012mm)
20”
14¹⁄₄”
16³⁄₄”
25¹⁄₄”
28³⁄₄”
5¹⁄₂”
7³⁄₄”
10³⁄₄”
18”
24³⁄₈” (610mm)
15³⁄₄” (400mm)
18” (457mm)
25¹⁄₄” (641mm)
28³⁄₄” (730mm)
5¹⁄₂” (140mm)
31”
16”
18¹⁄₄”
28”
31¹⁄₂”
5¹⁄₂”
8¹⁄₂”
(787mm)
(406mm)
(464mm)
(711mm)
(800mm)
(140mm)
(216mm)
(318mm)
(546mm)
J
K
L
8¹⁄₂” (216mm)
12¹⁄₂” (318mm)
19¹⁄₂” (495mm)
Framing Dimensions
12¹⁄₂”
21¹⁄₂”
M
N
O
P
Q
R
S
59⁹⁄₁₆” (1436mm)
62¹⁄₄” (1581mm)
44” (1118mm)
16¹⁄₂” (419mm)
39¹⁄₂” (1003mm)
35” (889mm)
28” (711mm)
68¹⁄₂”
48”
16¹⁄₂”
43¹⁄₂”
37³⁄₄”
36¹⁄₈”
(1740mm)
(1219mm)
(419mm)
(1105mm)
(959mm)
(918mm)
40”
14¹⁄₂”
36¹⁄₂”
35”
(1016mm)
(368mm)
(927mm)
(889mm)
(648mm)
25¹⁄₂”
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Vermont Castings, Majestic Products DVRT36/39/43
Clearance to Combustibles
Appliance
Top ............................................................ 0” (0mm)
Bottom ....................................................... 0” (0mm)
Side ........................................................... 0” (0mm)
Back .......................................................... 0” (0mm)
J
Venting
I
H
Black
Surround
Face
G
Concentric sections of DV Vent ................... 1” (25mm)
Non-concentric sections of DV Vent
F
Mantel
Leg
Sides and bottom .................................... 1” (25mm)
Top .......................................................... 2” (51mm)
CFM164a
K
L
Side of
Combustion Chamber
M
N
Mantels
O
The height a combustible mantel is fitted above the
fireplace is dependent on the depth of the mantel. This
also applies to the distance between the mantel leg (if
fitted) and the fireplace.
Refer to Figures 4a and 4b and the Mantel Charts
below them for correct mounting heights and widths.
• The distances and reference points are not
affected by the fitting of a bay window front trim kit.
• Noncombustible mantels and legs may be
installed at any height and width around the
appliance.
• When using paint or lacquer to finish the mantel, it
must be heat-resistant to prevent discoloration.
CFM170
Mantel
Mantel Leg from Side
Ref.
Leg Depth
10” (254mm)
8” (203mm)
6” (152mm)
4” (101mm)
2” (51mm)
Ref. of Comb. Opening
V
W
X
F
G
H
I
K
L
11¹⁄₂” (292mm)
9¹⁄₂” (241mm)
7¹⁄₂” (191mm)
5¹⁄₂” (140mm)
3¹⁄₂” (89mm)
Y
M
N
O
Z
J
Fig. 4b Combustible mantel leg minimum installation.
A
B
C
D
E
Fireplace
Hearth
Louvre Assembly
Top
Although a hearth is not mandatory, one is recom-
mended for aesthetic purposes. A noncombustible
hearth which projects out 12” (305mm) or more from
the front of the fireplace is recommended.
Top of Combustion
Chamber
Bottom of Door Trim
CFM146
Mantel Chart
Cold Climate Installation Recommendation:
Mantel Shelf
Mantel from Top
When installing this unit against a
noninsulated exterior wall or chase,
it is mandatory that the outer walls be
insulated to conform to applicable
insulation codes.
Ref. or Breast Plate Ref. of Comb. Chamber
Depth
V
W
X
Y
Z
10” (254mm)
8” (203mm)
6” (152mm)
4” (101mm)
2” (51mm)
A
B
C
D
E
19” (483mm)
17” (432mm)
15” (381mm)
13” (330mm)
11” (279mm)
Fig. 4a Combustible mantel leg minimum installation.
6
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Vermont Castings, Majestic Products DVRT36/39/43
Framing & Finishing
Gas Specifications
Max.
Input
BTU/h
Min.
Input
BTU/h
Check the fireplace to make sure it is
leveled and properly positioned.
Model
Fuel
Gas Control
DVRT36RN
DVRT36RP
DVRT36EN
DVRT36EP
DVRT36RFN
DVRT36RFP
Nat
Prop
Nat
Millivolt
Millivolt
25,000
25,000
25,000
25,000
17,500
18,750
17,500
18,750
17,500
18,750
17,500
21,000
22,500
21,000
22,500
23,100
24,750
23,100
24,750
1. Choose the unit location.
2. Place the unit into position and secure it to the floor
with 1¹⁄₂” (38mm) screws or nails. Holes for securing
the unit to floor are located behind the access door
grille on the left and right sides of the unit.
24V Hi/Lo
24V Hi/Lo
Prop
Nat
Comfort Control 25,000
Prop Comfort Control 25,000
3. Frame in the fireplace with a header across the top.
It is important to allow for the finished wall face
when setting the depth of the frame.
DVRT36RMH Nat/Prop
Millivolt
Millivolt
25,000
30,000
30,000
30,000
30,000
33,000
33,000
33,000
33,000
DVRT39RN
DVRT39RP
DVRT39EN
DVRT39EP
DVRT43RN
DVRT43RP
DVRT43EN
DVRT43EP
Nat
Prop
Nat
Millivolt
4. Attach the fireplace to the frame using the
adjustable frame drywall strips (located behind the
access door for shipping). Preset the depth to suit
the facing material of the wall. The strips are
adjustable to 1/2” (13mm), 5/8” (16mm) or
3/4” (19mm). (Fig. 5)
24V Hi/Lo
24V Hi/Lo
Millivolt
Prop
Nat
Prop
Nat
Millivolt
24V Hi/Lo
24V Hi/Lo
Prop
5. Screw through the slotted holes in the drywall strip
and into predrilled holes in fireplace side. Measure
from face of fireplace to the face of the drywall strip to
confirm the final depth.
Gas Inlet and Manifold Pressures
Natural
5.5” w.c.
14.0” w.c.
3.5” w.c.
LP (Propane)
11.0” w.c.
C
Inlet Minimum
Adjustable Drywall Strip
A
Inlet Maximum
Manifold Pressure
14.0” w.c.
(Nailing Flange)
B
10.0” w.c.
Screw
Position
Drywall
Depths
DVRT36/ DVRT36RMH/ DVRT39/ DVRT43
Certified To
A
B
C
1/2” (13mm)
5/8” (16mm)
3/4” (19mm)
ANSI Z21.88-2002/ CSA 2.33-2002
Vented Gas Fireplace Heaters
High Elevations
Input ratings are shown in BTU per hour (BTU/h)
and are certified without deration for elevations
up to 4,500 feet (1,370 m) above sea level.
Adjustable
1/2” – 5/8” – 3/4”
Spacing
For elevations above 4,500 feet (1,370 m) in USA,
installations must be in accordance with the
current ANSI Z223.1/NFPA 54 and/or local codes
having jurisdiction.
FP1023
Fig. 5 Adjustable drywall strip (nailing flanges).
Final Finishing
In Canada, please consult provincial and/or local
authorities having jurisdiction for installations at
elevations above 4,500 feet (1,370 m).
Noncombustible materials such as brick or tile may be
extended over the edges of the face of the appliance.
DO NOT cover the window frame assembly, any
vent, louvre assembly top or louvre assembly
bottom.
If a Trim Kit is to be installed on the fireplace, the brick
or tile will have to be installed flush with the edges of
the appliance.
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Vermont Castings, Majestic Products DVRT36/39/43
Gas Line Installation
Remote ON/OFF Switch Installation
When purging the gas lines, the front
glass must be removed.
Do not wire the remote ON/OFF wall
switch for this gas appliance into a 120 V
power supply.
The gas pipeline can be brought in through the side of
the fireplace as well as the bottom. Knockouts are
provided on the bottom behind the valve to allow for the
gas pipe installation and testing of any gas connection.
It is most convenient to bring the gas line in from the
rear right side of the valve as this allows fan installation
or removal without disconnecting the gas line.
1. Thread the wiring through the electrical knockout
located on either side of the unit. Take care not to
cut the wire or insulation on metal edges. Ensure
the wire is secured and protected from possible
damage. Run one end to the gas control valve and
the other end to the conveniently located wall
switch.
The gas line connection can be made with properly
tinned 3/8” copper tubing, 3/8” rigid pipe or an ap-
proved flex connector. Since some municipalities have
additional local codes, it is always best to consult your
local authority and the CSA-B149.1 installation codes.
2. Attach the wire to the ON/OFF switch and install the
switch into the receptacle box. Attach the cover
plate to the switch.
3. Connect the wire to the gas control valve. (Fig. 7)
For USA installations consult the current National Fuel
Gas Code, ANSI Z223.1/NFPA 54.
Remote
ON/OFF
Switch
1/2” Gas Supply
1/2” NPT x 1/2” Flare
Shut-Off Valve
3/8” Flex Line
(From Valve)
W584-9
Fig. 7 Remote switch wiring diagram for R models.
FP297A
Fig. 6 Typical gas supply installation.
Alternate Switch Location
Always check for gas leaks with a mild
soap and water solution applied with a
brush no larger than 1” (25 mm). Never
apply soap and water solution with a
spray bottle. Do not use an open flame
for leak testing.
The remote switch can be installed on either side of the
access door. Mount the switch to the bracket provided
and screw the bracket to either side of the frame, using
the pre-punched holes. (Fig. 8)
The fireplace valve must not be
subjected to any test pressures
exceeding 1/2 p.s.i. Isolate or disconnect
this or any other gas appliance control
from the gas line when pressure testing.
The gas control is equipped with a captured screw type
pressure test point; therefore, it is not necessary to
provide a 1/8” test point upstream of the control.
When using copper or flex connector use only ap-
proved fittings. Always provide a union when using
black iron pipe so that the gas line can be easily
disconnected for burner or fan servicing. (Fig. 6) See
the gas specifications for pressure details and ratings.
CFM104
Fig. 8 Alternate switch location.
8
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Vermont Castings, Majestic Products DVRT36/39/43
EB-1 Electrical Box
Electronic Gas Control Valve
This appliance may be fitted with a Honeywell ignition
module.
The fireplace, when installed, must be
electrically connected and grounded in
accordance with local codes; or, in the
absence of local codes, with the current
CSA C22.1 Canadian Electrical Code
Installation of the remote on/off starter switch on
electronic ignition units:
1. Thread the wiring through the holes on the side
panels of the appliance. Take care not to cut the
wire or insulation on metal edges. Route the wire to
a conveniently located receptacle box.
For USA installations, follow the local
codes and the national electrical code
ANSI/NFPA No. 70.
2. Attach the wire to the ON/OFF switch and install the
It is strongly suggested that a licensed
electrician perform the wiring of the
EB-1 Electrical Junction Box.
switch into the receptacle box. (Fig. 10)
3. Connect the White wire from the wall switch to the
Black wire from the transformer, using an approved
wire nut. Connect the Black wire from the wall
switch to the Black wire running from the #6 position
of the ignition module, also using an approved wire
nut.
Ensure that the power to the supply
line has been disconnected before
commencing this procedure.
The EB-1 Electrical junction box is fitted with this
model to provide for easy installation of an optional fan
kit.
To connect the EB-1 box to the house electrical supply
follow the steps below:
1. Unscrew the retaining screw from the EB-1 base
plate (Fig. 9), and remove the EB-1 assembly from
the fireplace.
2. Remove the front cover of the EB-1 box.
3 Remove the plug socket assembly from the EB-1
box.
4. Feed the supply line in from the outside through the
cable clamp. (Fig. 9)
5. Connect black wire of the power supply line to the
brass screw (polarized) of the socket assembly.
6. Connect the white wire of the power line to the
chrome screw of the socket assembly.
PILOT
HONEYWELL IGNITION MODULE
24V
MV
MV/VP PV
GRD
24V SENSE SPARK
1
2
3
5
6
8
9
GREEN
BLACK
RED
ORANGE
ORANGE
7. Connect the ground wire of the supply line to the
green screw of the socket assembly.
8. Refit the socket assembly back into the electrical
box and replace the cover plate. Secure the cable
with the clamp on the outside of the unit to prevent
strain on the connections.
HI
NOVA SIT 822 VALVE
BLUE
WHITE
Electrical Box
Inside
Retaining Screw
POWER CORD
W/FEMALE SPADE
24 VAC HOT
BLACK
120 VAC RTN
BLACK
Front of Unit
WHITE
BLACK
OFF
WHITE
YELLOW
GREEN
24 VAC RET
120 VAC HOT
WALL SWITCH
WHITE
Outside
40VA TRANSFORMER
BLACK
FP1225
Fig. 10 Honeywell ignition module.
Front of Unit
FP580
Fig. 9 EB-1 receptacle.
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Vermont Castings, Majestic Products DVRT36/39/43
Optional Top Vent Application
Insulation
The DVRT appliance is shipped as a rear vent unit. If
the installation layout requires the unit to be a top vent
configuration the appliance can be converted by
following the steps below.
Flue
Cover
Flue
Pipe
When removing and refitting the plates
and adapter, be sure the associated
gaskets are undamaged and refitted as
required.
Remove
Screws
(4)
1. Remove the ten (10) screws securing the outer
collar adapter to the fireplace body. (Fig. 11)
Remove Screws (4)
2. Set the collar aside, complete with the gasket.
Do not damage the gasket, as the adapter
and gasket must be refitted.
FP1027
Fig. 12 Remove flue cover, flue pipe and insulation pad.
3. Remove the insulation material (exposed in Step 2)
from the top of the unit. (Fig. 12) This material can
be discarded. However, if the unit is converted back
to rear vent for any reason a new piece of insulation
material approved by Vermont Castings, Majestic
Products must be used for this purpose.
The insulation pad extends beyond the
opening in the top of the unit. Be sure to
remove all of the insulation material
before completing the conversion.
4. Remove the four (4) screws securing the flue cover
plate to the top of the intake box and remove the
cover and gasket. (Fig. 12)
Flue Pipe
5. Remove the four (4) screws securing the flue pipe
to the back of the intake box and remove the pipe
and gasket. (Fig. 12)
Replace
Screws
(4)
6. Secure the plate and gasket removed in Step 4 over
the flue opening in the back of the intake box.
Ensure the gasket is in place and undamaged.
Replace
Screws
(4)
7. Install the flue pipe and gasket removed in Step 5
over the flue opening in the top of the intake box.
(Fig. 13)
8. Refit the outer collar adapter and gasket to the unit
with the round collar on the top. Secure the adapter
with the ten (10) screws removed in Step 1.
Flue Cover
FP1028
Fig. 13 Flue cover and flue pipe location.
When converting appliance to top vent,
ensure the insulation material referred to
in Step 3 is completely removed.
After conversion to top vent
configuration, the 4” (102mm) flue pipe
should be concentric within the 7”
(175mm) outer collar.
Outer Collar
Rear View
Adapter
Flue
Pipe
Installing the DVRT36RMH
in a Mobile Home
NOTE: Refer to “For Use in Mobile Homes: Model
DVRT36RMH” on Pages 46 and 47.
Remove
Screws
(5)
Remove
Screws (5)
FP1030
Fig. 11 Remove screws from outer collar adapter.
10
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General Venting
Your fireplace is approved to be vented either through
the side wall, or vertically through the roof.
• Do not locate the termination hood where excessive
snow or ice buildup may occur.
NOTE: Only venting components specifically
approved and labeled for this fireplace may be
used.
• Be sure to check and clear the vent termination
area after snow falls, to prevent accidental blockage
of venting system.
• When using snow blowers, make sure snow is not
• Venting terminals shall not be recessed into a wall
or siding.
directed toward the vent termination area.
• Horizontal venting must be installed on a level plane
without any incline or decline.
• There must not be any obstructions such as
bushes, garden sheds, fences, decks, or utility
buildings within 24” (610mm) from the front of the
termination hood.
Location of Vent Termination
It is imperative to observe minimum
clearances (shown on the following
page) when locating vent terminations.
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General Venting Information - Termination Location
INSIDE
CORNER DETAIL
G
V
N
H
N
A
D
E
V
B
C
B
V
B
Fixed
Closed
L
V
V
B
V
V
Fixed
Operable
Operable
G
Closed
F
V
V
B
M
V
J
G
A
X
B
I
K
X
V
A
AREA WHERE TERMINAL IS NOT PERMITTED
VENT TERMINATION
X AIR SUPPLY INLET
V
CFM145a
Canadian Installations1
US Installations2
A = Clearance above grade, veranda, porch,
deck, or balcony
12” (30cm)
12” (30cm)
B = Clearance to window or door that may be
opened
6” (15cm) for appliances
6” (15cm) for appliances
< 10,000 Btuh (3kW), 9”
(23cm) for appliances > 10,000
Btuh (3kW) and < 50,000 Btuh
(15kW), 12” (30cm) for
< 10,000Btuh (3kW), 12” (30cm)
for appliances > 10,000 Btuh (3kW) and
< 100,000 Btuh (30kW), 36” (91cm)
for appliances > 100,000 Btuh (30kW)
appliances > 50,000 Btuh (15kW)
C = Clearance to permanently closed window
12” (305mm) recommended to
prevent window condensation
12” (305mm) recommended to
prevent window condensation
D = Vertical clearance to ventilated soffit located
above the terminal within a horizontal
distance of 2 feet (610mm) from the center
line of the terminal
18” (458mm)
18” (458mm)
E = Clearance to unventilated soffit
F = Clearance to outside corner
G = Clearance to inside corner (see next page) see next page
12” (305mm)
see next page
12” (305mm)
see next page
see next page
H = Clearance to each inside of center line
extended above meter/regulator assembly
3’ (91cm) within a height of 15’
above the meter/regulator assembly
3’ (91cm) within a height of 15’
above the meter/regulator assy
I = Clearance to service regulator vent outlet
3’ (91cm)
3’ (91cm)
J = Clearance to nonmechanical air supply inlet 6” (15cm) for appliances < 10,000
to building or the combustion air inlet to any Btuh (3kW), 12” (30cm) for
6” (15cm) for appliances
< 10,000 Btuh (3kW), 9”
other appliances
appliances > 10,000 Btuh (3kW) and <
100,000 Btuh (30kW), 36” (91cm)
for appliances > 100,000 Btuh (30kW)
(23cm) for appliances > 10,000
Btuh (3kW) and < 50,000 Btuh
(15kW), 12” (30cm) for
appliances > 50,000 Btuh (15kW)
K = Clearance to a mechanical air supply inlet
6’ (1.83m)
3’ (91cm) above if within 10’
(3m) horizontally
L = Clearance above paved sidewalk or paved 7’ (2.13m)†
driveway located on public property
7’ (2.13m)†
M = Clearance under veranda, porch, deck or
balcony
12” (30cm)‡
12” (30cm)‡
N = Clearance above a roof shall extend a minimum of 24” (610mm) above the highest point when it passes through the roof
surface, and any other obstruction within a horizontal distance of 18” (450mm).
1 In accordance with the current CSA-B149 Installation Codes
2 In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Codes
† A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and
serves both dwellings
‡ only permitted if veranda, porch, deck or balcony is fully open on a minimum 2 sides beneath the floor:
NOTE: 1. Local codes or regulations may require different clearances.
2. The special venting system used on Vermont Castings, Majestic Products Direct Vent Fireplaces are certified as part of the
appliance, with clearances tested and approved by the listing agency.
Fig. 14 Vent termination clearances.
12
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Termination Clearances
Termination clearances for buildings with combustible and noncombustible exteriors.
Inside Corner
Recessed Location
Outside Corner
D
B =
Combustible
6" (152 mm)
C
C
A =
E
Combustible
6" (152 mm)
A
Noncombustible
2" (51 mm)
V
V
Noncombustible
2" (51 mm)
V
B
Balcony
with no side wall
Balcony
with perpendicular side wall
C = Maximum depth of 48"
(1219mm) for recessed
location.
H
G
V
V
D = Minimum width for back wall
of a recessed location.
Combustible 38" (965 mm)
Noncombustible 24" (610 mm)
J
Combustible &
Noncombustible
G =
Combustible
E = Clearance from corner in
recessed location.
Noncombustible
12" (305 mm)
H = 24" (610 mm)
Combustible 6" (152 mm)
Noncombustible 2" (50 mm)
J = 20" (508 mm)
CFM115
Fig. 15 Termination clearances.
General Information for Connecting Vent Pipes
Crimped End Pipes
1" (25 mm) from
crimped end of pipe
Before joining elbows and pipes, apply a bead of high
temperature sealant to the crimped end of the elbow or
pipe.
Join the pipes using a 2” (51mm) overlap and secure
the joints with three (3) sheet metal screws. (Fig. 16)
Wipe off excess sealant.
Screw
Holes
Canadian Installations:
CFM175
The venting system must be installed in accordance
with the current CSA-B149.1 installation code.
Fig. 16 Apply a bead of high temperature sealant.
USA Installations:
Only venting components manufactured by Vermont
Castings, Majestic Products may be used in Direct
Vent systems.
The venting system must conform to local codes and/
or the current National Fuel Code ANSI Z223.1/NFPA
54.
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Twist-lock Pipes
30
When using Vermont Castings, Majestic Products
29
twist-lock pipe it is not necessary to use sealant on the
28
joints. The only areas of the venting system that need
to be sealed with high temperature silicone sealant are
the collars on the fireplace and the sliding joint of any
telescopic vent section used in the system.
27
26
25
24
23
To join twist-lock pipes together, simply align the beads
of the male end with the grooves of the female end,
twisting the pipe until the flange on the female end
contacts external flange on the male end. It is
22
21
20
19
18
recommended that you secure the joints with three (3)
17
sheet metal screws; however, this is not mandatory
16
with twist-lock pipe. (Fig. 17)
15
14
To make it easier to assemble the joints we suggest
putting a lubricant (Vaseline or similar) on the male
13
12
eg: A
end of the twist-lock pipe prior to assembly.
11
10
9
Female End
8
7
6
5
4
3
Male End
eg: B
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
Screw Holes
Horizontal dimension from the outside face of
the wall to the center of the fireplace vent flange
TWL100
Fig. 17 Twist-lock pipe joints.
Sidewall Vent Graph showing the relationship between vertical
and horizontal dimensions for a Direct Vent flue system.
CFM102
How to Use the Vent Graph
Fig. 18 Sidewall Vent Graph (dimensions in ft.).
The Vent Graph should be read in conjunction with the
following vent installation instructions to determine the
relationship between the vertical and horizontal
dimensions of the vent system.
Rear Wall Vent Application
When installed as a rear vent unit this appliance may
be vented directly to a termination located on the rear
wall behind the appliance.
1. Determine the height of the center of the horizontal
vent pipe exiting through the outer wall. Using this
dimension on the Sidewall Vent Graph below, locate
the point intersecting with the slanted graph line.
• Only Vermont Castings, Majestic Products venting
components are approved to be used in these
applications. See ‘Venting Components’ listed for
different installation requirements.
2. From the point of this intersection, draw a vertical
line to the bottom of the graph.
3. Select the indicated dimension, and position the
fireplace in accordance with same.
• The maximum horizontal distance between the rear
of the appliance (or end of the transition elbow in a
corner application) and the outside face of the rear
wall is 20” (508 mm). (Fig. 19)
Example A:
If the vertical dimension from the floor of the fire-
place is 11’ (3.4m), the horizontal run to the face of
the outer wall must not exceed 14’ (4.3m).
• Only one 45° elbow is allowed in these installations.
• The minimum clearances between any combustible
Example B:
material and the vent pipe sections are:
If the vertical dimension from the floor of the unit is
7’ (2.14m), the horizontal run to the face of the outer
wall must not exceed 8¹⁄₂’ (2.6m).
Top
Sides
Bottom
2” (51mm)
1” (25mm)
1” (25mm)
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Vent Opening — Combustible Wall
Max. 20"
(508 mm)
(240mm)
9³⁄₈"
10³⁄₈"
(254mm)
Top view flat installation
Max. 20"
(508 mm)
(framing detail)
Vent Opening — Noncombustible Wall
7¹⁄₂"
(190mm)
CFM116
Fig. 20 Vent opening, side wall.
Top view corner installation
FP1188
Maximum Length
12” (305mm)
Fig. 19 Rear vent application, maximum horizontal distance.
Rear Wall Vent Installation
#8 Screws (2)
#8 Screws (2)
Step 1
Locate and cut the vent opening in the wall.
Side View
For combustible walls, first frame in opening. (Fig. 20)
Combustible Walls: Cut a 10³⁄₈” H x 9³⁄₈” W
(265 x 240mm) hole through the exterior wall and
frame as shown.
Firestop
CFM135a
Noncombustible Walls: Hole opening should be
7¹⁄₂” (190mm) in diameter.
Fig. 21 Adjustable zero clearance sleeve
used, attach the elbow to the appliance with sealant in
the same manner then attach the venting to the elbow.
It is not necessary to seal the 45° elbow to the starter
pipe or termination in the straight out and 45° installa-
tion in Figure 19.
Zero clearance sleeve is required only
for combustible walls.
Step 2
Measure wall thickness and cut zero clearance sleeve
parts to proper length (maximum 12” / 305mm). As-
semble sleeve to its maximum opening (10³⁄₈” x
9³⁄₈”)(265 x 240mm), and attach to firestop with #8
sheet metal screws (supplied). Install firestop assem-
bly. (Fig. 21)
It is critical that there is no downward
slope away from the appliance when
connecting the vent or elbow.
Step 5
Guide the venting through the vent hole as you place
the appliance in its installed position. Guide the 4”
(102mm) and 7” (175mm) collars of the vent
termination into the outer ends of the venting. Do not
force the termination. If the vent pipes do not align with
the termination, remove and realign the venting at the
appliance flue collars. (Fig. 22) Attach the termination
to the wall as outlined in the instruction sheet supplied
with the termination.
Step 3
Measure the horizontal length requirement for the
venting including a 2” (51mm) overlap; i.e., from the
elbow to the outside wall face plus 2” (51mm).
(Fig. 19)
Step 4
Install the 4” (102mm) vent to the appliance collar and
secure with 3 sheet metal screws. Install the 7”
(175mm) vent pipe to the appliance collar and secure
with 3 sheet metal screws. If a 45° elbow is being
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Finished
Wall
3 x 90°
Elbows
3 x 90°
Elbows
These ends screwed
to appliance.
These ends
should be even.
Vent
Termination
FP1176
Fig. 23 Maximum three (3) 90° elbows per installation.
• The maximum number of 90˚ elbows per side wall
installation is three (3). (Fig. 23)
• If a 90˚ elbow is fitted directly on top of the fireplace
flange, the maximum horizontal vent run before the
termination or a vertical rise is 36 in. (914mm). (Fig.
24)
FP1005
Fig. 22 Flat to the wall installation.
36"
(914mm)
Max.
Vertical Sidewall Application
36"
(914mm)
Max.
It is very important the venting system maintain its
balance between the combustion air intake and the
flue gas exhaust, therefore, certain limitations as to
vent configurations apply and must be strictly
adhered to.
The Vent Graph (Page 14), showing the relationship
between vertical and horizontal side wall venting, will
help to determine the various dimensions allowable.
FP1177
Minimum clearance between vent pipes and com-
bustible materials is 1” (25mm) on top, bottom and
sides unless otherwise noted.
Fig. 24 Maximum horizontal run with no rise.
• If a 90° elbow is used in the horizontal vent run
(level height maintained), the horizontal vent length
is reduced by 36” (914 mm). (Fig. 25a and
When vent termination exits through foundations less
than 20” (508mm) below siding outcrop, the vent pipe
must flush up with the siding.
Fig. 25b) This does not apply if the 90° elbow is
used to increase or redirect a vertical rise. (Fig. 25b)
It is best to position the fireplace so the number of
offsets and horizontal vent length are minimized.
Example: According to the Vent Graph (Page 14), the
maximum horizontal vent length in a system with a 7.5’
(2.3m) vertical rise is 20’ (6m) and if a 90° elbow is
required in the horizontal vent it must be reduced to 17’
(5.2m).
The horizontal vent run refers to the total length of vent
pipe from the flue collar of the fireplace (or the top of
the Transition Elbow) to the face of the outer wall.
Horizontal plane means no vertical rise exists on this
portion of the vent assembly.
o
90
B
A
When installing the appliance as a rear
vent unit, the 90° or 45° transition elbow
attached directly to the rear of the unit is
NOT INCLUDED in the following criteria
and calculations, and unless specifically
mentioned, are to be ignored when
calculating venting layouts.
A + B = 17’ (Max.)
7’6"
FP1178
Fig. 25a Horizontal run reduction.
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B
Vertical Sidewall Installation
7’
(2134mm)
A
Step 1
10’
(3048mm)
Locate vent opening on the wall. It may be necessary
to first position the fireplace and measure to obtain
hole location. Depending on whether the wall is
combustible or noncombustible, cut opening to size.
90° Elbow = 3’
For combustible walls, first frame in opening. (Fig. 27)
A + B = 17’ (5.2m)
Max.
Combustible Walls: Cut a 9³⁄₈” H x 9³⁄₈” W
(240 x 240mm) hole through the exterior wall and
frame as shown.
7’ 6”
(2286mm)
Noncombustible Walls: Hole opening must be 7¹⁄₂”
(190mm) in diameter.
V584-201
Vent Opening - Combustible Wall
Fig. 25b Maximum vent run with elbows.
9³⁄₈”
(240mm)
In Fig. 25a and Fig. 25b, Dim. A plus Dim. B must not
be greater than 17’ (5.2m).
• The maximum number of 45° elbows permitted per
side wall installation is two (2). These elbows can
be installed in either the vertical or horizontal run.
9³⁄₈”
(240mm)
• For each 45° elbow installed in the horizontal run,
the length of the horizontal run MUST be reduced
by 18” (45cm). This does not apply if the 45° elbows
are installed on the vertical part of the vent system.
Framing Detail
Fireplace Hearth
Vent Opening - Noncombustible Wall
• The maximum number of elbow degrees in a
7¹⁄₂” Dia.
(190mm)
system is 270°. (Fig. 26)
Example:
VO584-100
Elbow 1
Elbow 2
Elbow 3
Elbow 4
=
=
=
=
90°
45°
45°
90°
Fig. 27 Locate vent opening on wall.
Maximum Length
12” (305mm)
Total angular variation = 270°
#8 Screws (2)
#8 Screws (2)
1 + 2 + 3 + 4 = 270°
Side View
1
2
3
4
1
2
3
4
Firestop
CFM135a
Fig. 28 Adjustable zero clearance sleeve.
Zero clearance sleeve is required only
for combustible walls.
FP1180
Fig. 26 Maximum elbow usage.
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Step 2
Measure wall thickness and cut zero clearance sleeve
parts to proper length (maximum 12” / 305mm). As-
semble sleeve and attach to firestop with #8 sheet
metal screws (supplied). Install firestop assembly.
(Fig. 28)
X
X
Step 3
Place fireplace into position. Measure the vertical
height (X) required from the base of the flue collars to
the center of the wall opening. (Fig. 29)
FP1182
Fig. 30 Horizontal length requirement.
Step 7
X
X
Apply high temperature sealant to the 4” (102mm) and
7” (175mm) collars only. Guide the 4” and 7” collars of
the vent termination into their respective vent pipes.
Double check that the vent pipes overlap the collars by
2” (51mm). Secure the termination to the wall with
screws provided and caulk around the wall plate to
weatherproof.
Alternatives to screwing the termination directly to the
wall is using either expanding plugs or an approved
exterior construction adhesive. Or, you could attach the
termination with screws through the inner body into the
4” vent pipe, however, for this latter method, extend
the 4” pipe approximately 6” (152mm) beyond the outer
face of the wall.
FP1181
Fig. 29 Vertical height requirements.
Step 4
Apply a bead of silicone to the inner and outer flue
collars of the fireplace and using appropriate length of
pipe section(s) attach to fireplace with three (3)
screws. Follow with the installation of the inner and
outer elbow, again securing joints as described in the
‘Connecting Vent Pipe’ section.
Support horizontal pipes every 3’
(91cm) with metal pipe straps.
Step 5
Measure the horizontal length requirement including a
2” (51mm) overlap; i.e., from the elbow to the outside
wall face plus 2” (51mm), or the distance required if
installing a second 90° elbow. (Fig. 30)
Below Grade Installation
When it is not possible to meet the required vent
terminal clearances of 12” (305mm) above grade level,
a snorkel termination is recommended. It allows
installation depth down to 7” (178mm) below grade
level. The 7” (178mm) is measured from the center of
the horizontal vent pipe as it penetrates through the
wall.
Always install horizontal venting on a
level plane.
Step 6
Use appropriate length of pipe sections, telescopic or
fixed, and install. The sections which go through the
wall are packaged with the starter kit, and can be cut to
suit if necessary.
NOTE: Ensure that sidewall venting clearances are
observed. If venting system is installed below
ground, a window well with adequate and proper
drainage to be installed around the termination
area is recommended.
NOTE: Sealing vent pipe and firestop gaps with
high temperature sealant will restrict cold air being
drawn in around fireplace.
18
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If installing a snorkel, a minimum 24” (610mm) vertical
rise is necessary. The maximum horizontal run with the
24” (610mm) vertical pipe is 36” (915mm). This mea-
surement is taken from the collar of the fireplace (or
transition elbow) to the face of the exterior wall. Refer
to the Sidewall Venting Graph for extended horizontal
run if the vertical exceeds 24” (610mm).
Snorkel
Foundation
Recess
Wall screws
1. Establish vent hole through the wall. (Page 17, Fig.
27)
Sheetmetal screws
2. Remove soil to a depth of approximately 16”
(406mm) below base of snorkel. Install drain pipe.
Install window well (not supplied). Refill hole with
12” (305mm) of coarse gravel, leaving a clearance
of approximately 4” (102mm) below snorkel. (Fig.
31)
Watertight
Seal Around
Pipe
CFM139
Fig. 32 Snorkel installation, recessed foundation.
3. Install vent system.
4. Ensure a watertight seal is made around the vent
pipe coming through the wall.
Vertical Through-the-Roof Application
This Gas Fireplace has been approved for:
5. Apply high temperature sealant caulking (supplied)
around the 4” and 7” snorkel collars.
• Vertical installations up to 40’ (12m) in height. Up to
a 10’ (3m) horizontal vent run can be installed within
the vent system using a maximum of two 90°
elbows. (Fig. 33)
6. Slide the snorkel into the vent pipes and secure to
the wall.
7. Level the soil so as to maintain a 4” (102mm)
clearance below snorkel. (Fig. 31)
Zero Clearance
Sleeve If Required
Max. Height 40’
(12.2m)
7TDVSNORK
Firestop
(snorkel)
Min. Height 8’
(2.4m)
Screws
Minimum
4" Clearance
7" Pipe
Ground
Max. 10’ (3m)
Window Well
Gravel
24"/608mm
Minimum*
Drain
Foundation Wall
Support Straps
every 3’
*A minimum of 24” (610mm)
vertical pipe must be installed
when using the 7TDVSNORK
(914mm)
CFM112
Max. 10’ (3m)
Max. Height 40’
(12.2m)
Fig. 31 Below grade installation.
Min. Height 8’
(2.4m)
Do not backfill around snorkel.
A clearance of at least 4” (102mm) must
be maintained between the snorkel and
the soil.
If the foundation is recessed, use recess brackets (not
supplied) for securing lower portion of the snorkel.
Fasten brackets to wall first, then secure to snorkel
with self-drilling #8 x 1/2 sheet metal screws. For a
recessed foundation wall, it is necessary to extend
vent pipes out as far as the protruding wall face. (Fig.
32)
FP1183
Fig. 33 Support straps for horizontal runs.
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•
Up to two (2) 45° elbows may be used within the
horizontal run. For each 45° elbow used on the
horizontal plane, the maximum horizontal length
must be reduced by 18” (450mm).
7. Install roof support and roof flashing, making sure
the upper flange is below the shingles. (Fig. 36)
8. Install appropriate pipe sections until the venting is
above the flashing. (Fig. 38)
Example: Maximum horizontal length
9. Install storm collar and seal around the pipe.
No elbows
1 x 45° elbows
2 x 45° elbows
=
=
=
10’ (3m)
8.5’ (2.6m)
7’ (2.1m)
10. Add additional vent lengths for proper height.
(Fig. 37)
11. Apply high temperature sealant to 4” and 7” collars
of vertical vent termination and install.
•
•
A minimum of an 8’ (2.5m) vertical rise is required.
Two (2) sets of 45° elbows offsets may be used
within the vertical sections. From 0 to a maximum of
8’ (2.5m) of vent pipe can be used between elbows.
(Fig. 34)
7DVCS supports offsets. (Fig. 34) This application
requires you to first determine the roof pitch and
use the appropriate starter kit. See Venting
Components List.
If there is a room above ceiling level, fire
stop spacer must be installed on both
the bottom and the top side of the
ceiling joists. If an attic is above ceiling
level a 7DVAIS (Attic Insulation Shield)
must be installed.
•
The enlarged ends of the vent section
always face downward.
•
•
The maximum angular variation allowed in the
system is 270°. (Fig. 34)
Minimum height of the vent above the highest point
of penetration through the roof is 2’ (610mm). (Fig.
37) See Note 2 on Page 12.
Attic
Insulation Shield
1 + 2 + 3 + 4 = 270°
1
1
2
2
3
3
4
4
Upper Floor
11"
11"
(279mm)
(279mm)
Ceiling
Installation
FP1179
Joist
Fig. 34 Maximum elbow usage.
Firestop
Spacer
Vertical Through-the-Roof Installation
Nails (4)
FP1029
1. Locate your fireplace.
Fig. 35 Attic insulation shield and firestop spacer.
2. Plumb to center of the 4” flue collar from ceiling
above and mark position.
3. Cut opening equal to 9¹⁄₂” x 9¹⁄₂” (240 x 240mm).
Typical Ceiling
Support
4. Proceed to plumb for additional openings through
the roof. In all cases, the opening must provide a
minimum of 1” (25mm) clearance to the vent pipe;
i.e., the hole must be at least 9¹⁄₂” x 9¹⁄₂” (240 x
240mm).
Application
Typical Roof
Support
Application
5. Place fireplace into position.
6. Place firestop(s) #7DVFS or Attic Insulation Shield
#7DVAIS into position and secure. (Fig. 35)
FP1184
Fig. 36 Venting supports.
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Do not discharge directly into a wall
or inside an enclosure.
Min.
2’ (610 mm)
3. Materials needed for the gravity ducting installation:
•
•
•
(2) 5” dia. duct to grille connector boots
(2) Wall Outlet grilles
5” dia. rigid (“C” vent) or 5” dia. flexible metal
ducting
•
5” dia. elbows (maximum of 3 per run)
4. Remove the gravity duct plugs from the top of the
DVRT43 by taking out the two (2) screws around the
perimeter of each plug, then removing the plugs
from the fireplace.
FP1189
Fig. 37 Minimum termination to roof clearance.
NOTE: Do not remove the center screw from
the plugs.
5. Install 5” rigid (C-Vent) or flexible metal ducting on
the DVRT43 and run the ducting, observing the
limitations shown in the graph. Be aware that flexible
ducting is more restrictive to air flow than rigid
ducting.
(3) #5
(3) #5 Sheet
Metal Screws
per Joint
Sheet Metal
Screws per
Joint
Sealant
Sealant
6. Secure all joints with three (3) sheet metal screws.
Seal all joints with foil-faced aluminium tape to
prevent heat loss and maintain maximum air flow.
Storm
Collar
Storm
Collar
7. Ensure the following clearances are maintained
when installing the DVRT43 Gravity Ducting System.
TWL101a
Fig. 38 Roof flashing.
Clearance to Combustibles
Clearance between ducting and combustibles = 1”
(25mm)
Gravity Ducting System
Clearance between grille adapter and combustibles =
0” (0mm)
The Gravity Ducting System is only
applicable if installing the DVRT43 Direct
Vent Fireplace.
Never allow a downward slope in any
section of the ducting.
Installation of the DVRT43 fireplace provides an
opportunity to heat either rooms on an upper level or
adjacent rooms on the same level without the use of a
blower. However, with the internal blower installed, there
will be some increase in warm air movement to rooms
serviced by the gravity duct. (Fig. 39 and Fig. 40)
10
9
8
7
6
5
4
1. Plan the gravity duct run first. Use the following
graph (Fig. 39) to ensure that the installation meets
the recommendations. There is a maximum number
of three (3) elbows in a run, however, the run must
never go in a downward direction, as this can trap
heat in the gravity vent system. Be aware when
designing the ducting system that elbows will restrict
airflow. Minimize the use of elbows in any
installation.
3
2
2. It is recommended that the gravity ducting system
be installed so that the grilles exit at the same
vertical level. If the gravity venting system is
installed so the ducting exits at different levels, a
chimney effect may occur, resulting in uneven heat
distribution.
12
13 14 15
5
6
7
8
9
10 11
Maximum Horizontal Dimensions
NOTE: All dimensions are in FEET.
Conversion factor to metric: 1’ = 305mm
FP1190
Fig. 39 Gravity vent diagram.
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Sheet Metal
Screws
Gravity
Duct Plug
CFM180
Fig. 40 Gravity vent locations.
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Vermont Castings, Majestic Products DVRT36/39/43
Twist Lock Venting Components
7TDVRVT - Through-the-Wall Rear Vent Termination
Starter Kit - Model 7TDVSK - Sidewall Venting
Starter Kit - Model 7TDVSKV - Vertical Venting
for 7TDVSKV-A: Order 1/ 12 to 6/ 12 roof pitch
for 7TDVSKV-B: Order 7/ 12 to 12/ 12 roof pitch
for 7TDSKV-F: Order flat roof
Starter Kit - Model 7TDVSKS - Snorkel Kit
Snorkel Termination - 7TDVSNORK
for Below Grade Installation
45˚ Elbow
7TDVT45 for Vertical Installation Offsets
7TDR45 for Rear Vent Application
90˚ Transition Elbow
7TDVRT90 for Vertical Sidewall Applications
or Through-the-Roof.
Telescopic Vent Sections
7TDVP1218
7TDVP3564
12” to 18” adjustable length
35” to 64” adjustable length
Pipe sections for vertical or horizontal venting
Model 7TDVP8”
Model 7TDVP12”
Model 7TDVP24”
Model 7TDVP36”
Model 7TDVP48”
4 per box
4 per box
4 per box
Firestop Spacer
Model 7DVFS
Attic Insulation Shield
Model 7DVAIS
Vertical/ Horizontal Combination Offset Support
Model 7DVCS
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Vermont Castings, Majestic Products DVRT36/39/43
Crimped End Venting Components
7DVRVT - Through-the-Wall Rear Vent Termination
Starter Kit - Model 7DVSK - Sidewall Venting
Starter Kit - Model 7TDVSKV - Vertical Venting
for 7DVSKV-A: Order 1/12 to 6/12 roof pitch
for 7DVSKV-B: Order 7/12 to 12/12 roof pitch
for 7DSKV-F: Order flat roof
Starter Kit - Model 7TDVSKS - Snorkel Kit
Snorkel Termination - 7TDVSNORK
for Below Grade Installation
45˚ Elbow
7DVT45 for Vertical Installation Offsets
7DV45 for Rear Vent Application
90˚ Transition Elbow
7DVRT90 for Vertical Sidewall Applications
or Through-the-Roof.
Telescopic Vent Sections:
7DVP610
7DVP1018
7DVP1834
7DVP3466
6” to 10” adjustable length
10” to 18” adjustable length
18” to 34” adjustable length
34” to 66” adjustable length
Pipe sections for Vertical or Horizontal Venting:
Model 7DVP8”
Model 7DVP12”
Model 7DVP24”
Model 7DVP36”
Model 7DVP48”
4 per box
4 per box
4 per box
Firestop Spacer
Model 7DVFS
Attic Insulation Shield
Model 7DVAIS
Vertical/ Horizontal Combination Offset Support
Model 7DVCS
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Vermont Castings, Majestic Products DVRT36/39/43
Operating Instructions
Glass Information
Only glass approved by Vermont
Castings, Majestic Products should be
used on this fireplace.
• The use of any nonapproved replacement glass will
void all product warranties.
• Care must be taken to avoid breakage of the glass.
Lower
Clamps
• Do not operate appliance with glass front
removed, cracked or broken.
• Replacement glass (complete with gasket) is
available through your Vermont Castings,
Majestic Products dealer and should be
installed only by a licensed qualified service
person.
Window
Frame
Assembly
Window
Frame
Assembly
Pull Clamp
Hook
Push
Clamp
Handle
Louvre Removal
FP1191
Remove the louvre assembly top by lifting the panel up
and out from the fireplace. (Fig. 41)
Fig. 42 Window frame assembly removal.
The louvre assembly bottom is hinged at the bottom
edge and swings down.
Glass Cleaning
It is necessary to periodically clean the glass panel. It
is normal for condensation to form on the inside of the
glass during start-up. This condensation causes lint,
dust, and other airborne particles to cling to glass
surface. Also, initial paint curing may deposit a slight
film on the glass.
2.
Louvre
Assembly Top
1.
Cleaning the glass two or three times within the first
few weeks of operation is recommended, using non-
ammonia based household cleaner and warm water, or
gas fireplace glass cleaner.
Window Frame Assembly
FP444
After the initial cleaning process, the glass should be
cleaned two or three times during each operating
season, depending on the environment in the house.
Fig. 41 Remove louvre assembly top.
Window Frame Assembly Removal
Clean the glass after the first two weeks
of operation.
1. Turn the fireplace OFF (including the pilot).
2. If the unit has been operating, allow time for the
components to cool.
Do not clean glass when it is hot.
Do not use abrasive cleaners.
Do not strike or slam the glass.
3. Remove the louvre assembly top.
4. Open the louvre assembly bottom.
5. Release the two (2) clamps along lower edge of the
frame by pulling down on clamp handles. (Fig. 42)
6. Tilt window frame assembly out slightly at the
bottom, lift the frame up and away from the
fireplace.
7. To replace window frame assembly, reverse this
procedure.
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Vermont Castings, Majestic Products DVRT36/39/43
B43
Ceramic Ember Rocks
Installation of Logs & Lava Rock
B31
Unpack the logs from their shipping box. Remove each
log from its wrapping material.
Dispose of the plastic bags and
wrapping in a safe manner. Keep the
logs and plastic bags away from
children.
B32
B34
B33
Take care handling the logs as the material is fragile.
The individual logs can be identified by the number
cast into the underside of each log.
Front Grate tines
LG227
Fig. 43 DVRT36 logset and ember placement
DVRT36 - Refer to Figure 43.
1. Remove the top louvre assembly.
2. Remove the window frame assembly.
DVRT39 - Refer to Figure 44.
1. Remove the top louvre assembly.
2. Remove the window frame assembly.
3. Fit the left-rear log (B43) to the left side of the rear
log support. The two (2) holes in the log locate on
the two (2) studs of the support.
3. Fit the rear log (B35) onto the rear log support. The
two (2) holes in the log locate on the two (2) studs
on the support.
4. Fit the right-rear log (B31) to the right side of the
support. The two (2) holes in the log locate over the
two (2) studs of the support.
4. Fit the right-front log (B36) onto support bracket
over the right side of the burner housing assembly.
The two (2) holes in the log locate over the two (2)
studs of the bracket.
5. Fit the left-front log (B32) to the support bracket
over the burner housing. Again, the two (2) holes in
the log locate on the two (2) studs on the bracket.
5. Fit the left-front log (B37) onto the support bracket
over the left side of the burner housing. Again, the
two (2) holes in the log locate on the two (2) studs
on the bracket.
6. Place the left-top log (B33) across the left front
and rear logs. (Fig. 43) The hole under the end of
this log locates over the knob on the left rear log.
The forward end of log B33 rests in the cutout in the
left front log.
6. Place the left-top log (B38) in place. The notch
along the lower front edge sits against the front
grate (Fig. 44), and the top of the log sits in the
cutout on the inner end of log B37.
7. Place the right-front log (B34) in position by
resting the ‘heal’ of the log between the outside and
first prong of the front grate and laying the log down
in the cutout of the right rear log. (Fig. 43)
7. Scatter the Ceramic Ember Rocks (Part #57897)
over the burner housing assembly in the areas
between the logs. Refer to shaded areas in Figure
44.
8. Scatter the Ceramic Ember Rocks (Part #57897)
over the burner housing assembly in the area
forward of the front logs. Refer to shaded areas in
Figure 43.
8. Scatter the lava rock (Part #10001454) around the
base of the firebox area. Do not place any of this
material on the burner housing assembly.
9. Scatter the lava rock (Part #10001454) around the
base of the firebox area. Do not place any of this
material on the burner housing assembly.
NOTE: Glowing lava rock for DVRT39 is only
allowed to be positioned at the front area (radiant
portion) of the burner housing assembly.
NOTE: Glowing lava rock for DVRT36 is only
allowed to be positioned at the front area (radiant
portion) of the burner housing assembly.
Do not mix the lava rock materials. Lava
rock from the package labeled with Part
#10001454 must not be placed on the
burner housing assembly.
Do not mix the lava rock materials. Lava
rock from the package labeled with Part
#10001454 must not be placed on the
burner housing assembly.
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Do not mix the lava rock materials. Lava
rock from the package labeled with Part
#10001454 must not be placed on the
burner housing assembly.
B35
Ceramic Ember Rocks
B47
B45
B46
B36
B38
B37
Note location of front grate tines
LG228
Fig. 44 DVRT39 logset and ember placement
DVRT43 - Refer to Figure 45.
B48
B50
Ceramic Ember Rocks
1. Remove the top louvre assembly.
2. Remove the window frame assembly.
3. Install the right-rear log (B46) on the rear log
B51
B49
CFM120
Fig. 45 DVRT43 logset and ember placement.
support. The two (2) holes in the base of the log
locate on the two (2) studs in the log support.
4. Install the left-rear log (B45) on the rear log
support. The two (2) holes in the base of the log
locate on the two (2) studs in the log support.
Flame & Temperature Adjustment
RN/RP Models
5. Install the left-front log (B48) on the left side of the
burner housing. The two (2) holes in the base of the
log located over the two (2) studs on the burner
housing bracket.
For units equipped with ‘HI/LO’ valves the flame
adjustment is accomplished by rotating the “HI/LO”
adjustments knob located near the center of the gas
control valve. (Fig. 46 and Fig. 47)
6. Install the right-front log (B49) on the right front
corner of the burner housing assembly. The notch in
the outer end of the log locates against the
outermost tine of the front grate.
Honeywell Valve
Turn
counterclockwise
to decrease
HI
Turn clockwise
to increase
flame height
LO
7. Install the right-rear top log (B47). This log sits on
top of the right rear log. It has a rectangular hole on
the underside that locates over the rectangular lug
on the lower log.
flame height
HV102
Fig. 46 Flame adjustment knob for Honeywell Valve.
8. Install the left-front crossover log (B50). This log
is located over the round knob on top of the left rear
log and lays across the cutout on the front left log.
SIT 820 Valve
9. Install the center-front log (B51). The hole in the
base of this log locates over the stud attached to
the front log grate.
Turn
counterclockwise
to increase
Turn clockwise
to decrease
flame height
flame height
10. Scatter the Ceramic Ember Rocks (Part #57897)
over the burner housing assembly in the area
forward of the front logs. Refer to shaded areas in
Figure 43.
FP390
Fig. 47 Flame adjustment knob for SIT Valve.
11. Scatter the lava rock (Part #10001454) around the
base of the firebox area. Do not place any of this
material on the burner housing assembly.
Flame Characteristics
It is important to periodically perform a visual check of
the pilot and burner flames. Compare to Figure 48
through Figure 51 on Page 28. If the flame patterns
appear abnormal, contact a qualified service provider
for service and adjustment.
NOTE: Glowing lava rock for DVRT43 is allowed to
be positioned only at the front area (radiant
portion) of the burner housing assembly.
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Vermont Castings, Majestic Products DVRT36/39/43
3/8" - 1/2"
SIT Pilot
PSE Pilot
3/8"-1/2"
Glowing Lava Rock
Fig. 51 Correct burner flame appearance for DVRT43.
LG231
Electronic
Ignition
NOTE: Glowing lava rock for DVRT36, DVRT39 and
DVRT43 is only allowed to be positioned at the
front area (radiant portion) of the burner housing
assembly.
F584-703/
FP1370
Fig. 48 Correct pilot flame appearance.
Inspecting the Venting System
5 Separate flames
This appliance venting system is designed and
constructed to develop a positive flow adequate to
remove flue gases to the outside atmosphere.
Any foreign objects in the venting system, except those
designed specifically for the venting system, may cause
spillage of flue gases.
To inspect the venting system, make sure the main gas
valve is off. Remove the window frame assembly.
(Refer to Window Frame Assembly Removal section.)
Using a flashlight, check the area above the baffle in
the combustion dome. Clean if necessary.
Glowing Lava Rock
LG229
Fig. 49 Correct burner flame appearance for DVRT36.
5 Flame areas
Glowing Lava Rock
LG230
Fig. 50 Correct burner flame appearance for DVRT39.
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Lighting & Operating Instructions
FOR YOUR SAFETY, READ BEFORE LIGHTING.
WARNING: If you do not follow these instructions exactly, a fire or explosion
may result, causing property damage, personal injury or loss of life.
A. This heater has a pilot light, which must be lit
manually. When lighting the pilot follow these
instructions exactly:
• If you cannot reach your gas supplier, call
the Fire Department.
C. Use only your hand to push in or turn the gas
control knob. Never use tools. If the knob will not
push in or turn by hand, do not try to repair it, call a
qualified service technician. Applying force or any
attempted repair may result in a fire or explosion.
B. BEFORE LIGHTING, smell all around the
heater area for gas. Be sure to smell next to the
floor because some gas is heavier than air and
will settle on the floor.
D. Do not use this fireplace if any part has been under
water. Immediately call a qualified service techni-
cian to inspect the heater and to replace any part of
the control system and any gas control which has
been under water.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any fireplace.
• Do not touch any electric switch.
• Do not use any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
Lighting Instructions
1. STOP! Read the safety information above.
2. Turn off all electrical power to the fireplace.
3. For MN/MP/TN/TP appliances ONLY, go on to
Step 4. For RN/RP appliances turn the On/Off
switch to “OFF” position or set thermostat to
lowest level.
10. Push the control knob all the way in and hold.
Immediately light the pilot by repeatedly depress-
ing the Piezo spark igniter until a flame appears.
Continue to hold the control knob in for about one
(1) minute after the pilot is lit. Release knob and it
will pop back up. Pilot should remain lit. If it goes
out, repeat steps 5 through 8.
4. Open control access panel.
5. Push in gas control knob slightly and turn
clockwise
to "OFF".
3/8" - 1/2"
OFF
T
PILO
o
2
O
•
•
If knob does not pop up when released, stop
and immediately call your service technician
or gas supplier.
If after several tries, the pilot will not stay lit,
turn the gas control knob to "OFF" and call
your service technician or gas supplier.
Euro SIT
SIT NOVA
Honeywell
6. Wait five (5) minutes to clear out any gas. Then
smell for gas, including near the floor. If you
smell gas, STOP! Follow "B" in the safety
information above. If you do not smell gas, go
to the next step.
7. Remove glass door before lighting pilot. (See
Glass Frame Removal section).
8. Visibly locate pilot by the main burner.
9. Turn knob on gas control counter-clockwise
to "PILOT".
11. Replace glass door.
12. Turn gas control knob to “ON” position.
13. For RN/RP appliances turn the On/Off switch to
“ON” position or set thermostat to desired setting.
14. Turn on all electrical power to the fireplace.
To Turn Off Gas to Heater
3. Open control access panel.
4. Push in gas control knob slightly and turn
1. Turn the On/Off switch to Off position or set the
thermostat to lowest setting.
clockwise
to "OFF". Do not force.
2. Turn off all electric power to the fireplace if service
is to be performed.
5. Close control access panel.
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Lighting & Operating Instructions
For Fireplaces equipped with SIT822 Gas Valve (EN or EP)
Warning: If you do not follow these instructions exactly, a fire or explosion may
result, causing property damage, personal injury and loss of life.
For Your Safety, Read the Following Warnings
before Lighting the Appliance
•
If you cannot contact your gas supplier call
the Fire Department
A. This fireplace is equipped with an ignition device
which automatically lights the pilot. DO NOT try to
light the pilot by hand.
C. Use only your hand to push in or turn the gas
control knob. Never use tools. If the knob will not
push in or turn by hand do not try to repair it, call a
qualified service technician. Force or attempting
repair may result in a fire or explosion.
B. BEFORE OPERATING, smell all around the
appliance area for gas. Be sure to smell next to
the floor because some gas is heavier than the air
and will settle on the floor.
What to do if you smell gas
D. Do not use this appliance if any part has been
under water. Immediately call a qualified service
technician to inspect the appliance and replace
any part of the control system and any gas control
that has been under water.
•
•
•
•
Do not try to light any appliance.
Do not operate any electrical switch.
Do not use any phone in your building.
Immediately call your gas supplier from
a neighbor’s phone. Follow the gas
suppliers instructions.
Lighting Instructions
1. STOP! Read the safety information above
5. Turn the remote switch, if used, OFF. Turn the
wireless remote, if used, OFF.
before continuing.
2. Turn off all electrical power to the appliance.
6. Wait five (5) minutes to clear out any gas. Then
smell for gas, including near the floor. If you
smell gas, STOP. Follow instruction B in the
safety warnings above. If you do not smell gas,
go on to the next step.
3. This appliance is equipped with an ignition device
which automatically lights the pilot. DO NOT try
to light the pilot by hand.
4. Access the gas control by lowering the lower
access door (louvre assembly).
7. Close the access door.
8. Turn ON all electrical power to the appliance.
9. Turn remote switch or wireless remote to ON.
10. If the appliance will not operate, follow the
instructions TURNING OFF THE GAS TO THE
APPLIANCE, and call your service technician or
gas supplier.
HI
Turning Off the Gas to the Appliance
1/2” Gas Supply
1. Turn the remote switch to the OFF position.
1/2” NPT x 1/2” Flare
Shut-Off Valve
2. Turn OFF all electrical power to the fireplace if
service is required.
3/8” Flex Line
(From Valve)
3. Open the lower access panel.
Valve in the “ON” position
4. Turn the shut-off valve on the flexible gas line to
the OFF position.
30
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7. If the manual switch is in the LOCAL position, the
Instructions for RF Comfort Control Valve
valve will be at the highest fixed pressure setting
and the fan will be at the highest fixed speed. The
transmitter will control the fan only.
The Comfort Control Valve allows remote control
of temperature, fan and flame appearance.
NOTE: The antenna should hang in free air away
from grounded metal.
Shutoff Procedure
If the manual switch is in the REMOTE position, the
transmitter can shut off the main burner and fan.
However, the control is still on and a command from
the transmitter can turn on the main burner or fan.
Operation of RF Comfort Control Valve
1. If the manual switch is in remote position, switch it
to LOCAL. (Fig. 52)
To shut off the system, turn the pilotstat knob clockwise
to the OFF position. This action closes the main gas
and safety valves. The transmitter cannot turn on the
main burner or fan.
2. Turn the pilotstat knob counterclockwise from OFF
to the PILOT position, push the knob down, and
hold in position. The pilot valve opens and allows
gas to flow to the pilot burner.
3. Push plunger on the piezo until the pilot burner is lit.
When the pilot burner is lit, the LED on the control
will come on after approximately 40
Transmitter Operation
Refer to Figure 53.
seconds and will provide one short blink
continuously in the normal mode. When the light
turns off (approximately 10 seconds after it has
been continuously red), the receiver/valve is fully
powered.
OFF Mode
In the OFF mode, the fireplace flame and fan are off,
the display will show OFF and displays the room
temperature. If the receiver is in REMOTE mode, the
fireplace will shut off.
4. Release the knob. The shaft will move upward. The
pilot burner should now stay burning. If the pilot
burner goes out, repeat Step 2.
ON (Manual) Mode
In the ON mode, the room temperature, flame and fan
levels will be shown. MANUAL will appear next to both
the flame and fan icons.
5. Turn the knob counterclockwise to the ON position.
If the manual switch is in the LOCAL position, the
main burner will turn on immediately.
When the control is in the ON mode, the flame levels,
fan levels, and delay timer are changed with the up and
down buttons. To change the flame level, press the
flame button followed by an arrow key. To change the
fan level, press the fan key followed by an arrow key.
Pushing the arrow key once will change the level by
one unit.
6. Upon initial use of a transmitter, a recognition
operation is required between the receiver/valve
and transmitter. Change the switch from LOCAL to
REMOTE. Press the fan or flame button on the
transmitter within 30 seconds. The LED will blink
indicating the transmitter will now work with the
receiver/ valve. If the switch continues in the RE-
MOTE position, the transmitter will now control the
main valve, flame modulation level, and fan control.
Display:
Room temperature
Set temperature
Flame height level
Fan speed level
Piezo Ignitor
Countdown timer
Low battery
Mode
Auto
On/ Off
Flame
Up:
OFF
•
Increases flame height,
fan speed timer, or set
point
Countdown
timer
Down:
Decrease flame,
fan speed timer,
or set point
FP1039
Fan
LED
Local/Remote
Pilotstat Knob
Switch
Antenna
FP1037
Fig. 53 Transmitter diagram.
Fig. 52 Comfort control valve.
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Disable Thermostat Function
Delay Time Mode
The shutoff delay timer has a maximum of two (2)
To disable the thermostat function in the AUTO mode,
push the TIME and DOWN keys simultaneously for at
least three (3) seconds.
hours, and a minimum of zero (0) minutes. To change
the timer level, press the timer key, then an arrow key.
Pushing the key once changes the timer by ten minutes.
To Change Batteries
Auto Mode
1. Remove cover on backside of the transmitter. Install
three (3) AAA batteries as shown and reattach
cover.
In the AUTO mode, the room temperature, set
temperature, flame and fan levels will be shown.
AUTO will appear next to both flame and fan icons.
2. Once steps 1 to 3 in OPERATION are completed,
receiver/valve and transmitter are ready. Press any
button on transmitter for recognition process to
occur between the receiver/valve and transmitter.
When the control is in the AUTO mode, the main
burner will turn On/Off or modulate based on the heat
needed to maintain the set temperature. The flame
level will change automatically to optimize the heat
output needed to maintain the set temperature. To
change the set temperature, press the up or down key.
Pushing a key once will change the temperature by
one degree.
3. Use functions as described in TRANSMITTER
section.
Troubleshooting
RF Comfort Control Valve
In the AUTO mode, the fan speed will increase with
increasing flame height or decrease with decreasing
flame height. AUTO is displayed next to the flame and
fan icons.
1. Locate LED light on valve. (Fig. 52)
2. LED will blink after every valid command received
by the transmitter; this is not an error.
3. Failure codes may occur any time after pilot burner
is lit.
Fan Override During Automode
4. Sequence is failure code followed by LED not
If a lower or higher fan speed is desired when
operating in the AUTO mode, the fan speed can be
overridden by pushing the fan button followed by the
up or down key. Pushing a key once will change the
fan level by one unit. In this mode AUTO is displayed
next to the flame icon and MANUAL is displayed next
to the fan icon.
blinking for 30 seconds.
5. In the event of multiple failure codes, next failure
code follows previous failure code by approximately
three seconds.
If Error Code 3 is observed while performing the
testing, complete the following:
1. Make sure the spade connectors are pushed all the
way on. (Fig. 54) If Error Code 3 is still showing, go
to the next step.
Toggle Between ºF/ºC Temp. Units
Push the Up and Down arrow keys simultaneously for
at least three (3) seconds to toggle between
Fahrenheit and Celsius units.
2. Switch the front two thermopile leads with the back
two leads. (Be sure the white leads are connected
to the spades with white dots next to them.) If Error
Code 3 is still showing, replace the thermopiles.
Pilot
Assembly
If Error Code 8 is observed while performing the
testing, complete the following:
Fan
1. Confirm the valve is not in REMOTE mode. (Fig. 52)
•
If the valve is producing Error Code 8 and in
REMOTE mode, the valve is defective and
should be replaced.
N
F A
•
If the valve is in LOCAL mode and producing
Red
White
Red
White
Error Code 8, then go to the next step.
White
Dots
[
(4) Spade
Connectors
2. Slide the Remote/Local switch to REMOTE and
program the transmitter per Item 6, Page 31. The
Error Code will clear itself after approximately
1.5 minutes and return to normal operation.
Antenna
Valve (Bottom View)
FP1038
Fig. 54 Comfort Valve wiring diagram.
32
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Auto Path Chart
LED Count
Service Action
8
7
5
4
3
2
Replace valve
Confirm stepper motor connection exists
Confirm fan connection exists and works
Confirm gas type; jumper in place
Replace thermopiles
Turn fan ON
NOTE: Some keys are not active.
Auto Path
If the manual switch is
set to REMOTE,
Move switch from
LOCAL to REMOTE.
Press any key
press the mode button
to display AUTO on the
transmitter. Does the
transmitter display the
room and temperature
setting?
within 30 seconds.
Yes
If the settings is above
room temperature on
No
the transmitter, did
the main valve and
fan turn On?
Yes
If the settings is below
room temperature on
the transmitter, did
the main valve and
fan turn Off?
No
Turn pilotstat knob to
OFF to turn the valve
completely Off.
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Comfort Valve System Control Sequence of Operation with Transmitter
Set manual switch to
LOCAL or REMOTE
Five minute wait
period
Light pilot burner
Yes
Did the LED stop
Review LED
blinking?
failure analysis.
Release pilotstat
knob
Cycle switch once
and leave in
REMOTE. Press
any key on
transmitter for
recognition
Yes
Choose MANUAL or
REMOTE path. Set
switch to MANUAL
or REMOTE.
Turn pilotstat knob
from PILOT to ON
operation.
Local Path
On Path
If manual switch is
Move switch from
LOCAL to RE-
MOTE. Press any
key on transmitter.
Move switch back
to
If the manual switch
is set to REMOTE,
press the mode
button to display ON.
Does the transmitter
control the main
set to LOCAL, did
main burner light
and fan turn on?
Move switch from
MANUAL to
REMOTE. Press
any key on
transmitter.
LOCAL.
burner and fan?
Yes
Turn pilotstat knob
to PILOT to turn
off main burner.
Yes
Does transmitter
change levels of
flame height
No
and/ or fan speed?
Turn pilotstat knob
to OFF to turn
valve completely
Off.
Yes
Set levels of flame
height and fan to
“0” to shut off main
burner and fan.
Turn pilotstat knob
to Off to turn valve
completely off.
34
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Troubleshooting – Honeywell VS8421
Remove the Window Frame Assembly before service work.
START
CHECK
• Supply Line Hooked Up
Gas Supply On
NO
• Shutoff Valve Open
YES
• Lockout Has Engaged. Wait 60
Seconds And Try Again.
• For Spark At Electrode While
▼
Depressing Piezo
1/8" Gap To Pilot Hood Needed.
Pilot Lights With Piezo
Ignitor
NO
• All Wiring Connections
• Replace Piezo Ignitor
YES
• For Air In The Lines
• Thermopile Needs A Min.
325mv. Adjust Pilot Flame
Height.
• All Wiring Connections
• Replace Thermopile
▼
Pilot Stays Lit
NO
• Thermocouple Needs A Min. Of
14mv
• Defective Valve. Turn To Pilot,
Meter Should Read Greater
Than 100mv. If Not, Replace.
YES
• Valve Is Turned On
• Wall Switch Is Not Turned On.
Watch For Grounded Wires!
▼
Pilot Lights Main Burner
NO
• Thermopile Needs A Min. 325mv.
• Plugged Burner Orifice
YES
▼
SYSTEM OK
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Troubleshooting the Gas Control System
SIT NOVA 820 MILLIVOLT VALVE
Note: Before trouble shooting the gas control system, be sure external gas shut off is in the “ON” position.
WARNING: BEFORE DOING ANY GAS CONTROL SERVICE WORK, REMOVE GLASS FRONT.
SYMPTOM
POSSIBLE CAUSES
CORRECTIVE ACTION
1.Spark ignitor will not light.
A. Defective or misaligned
electrode at pilot
Using a match, light pilot. If pilot lights, turn off
pilot and push the red button again. If pilot will not
light, check gap at electrode and pilot; it should be
1/8 in. to have a strong spark.
B. Defective ignitor
(Push Button)
Push Piezo Ignitor Button. Check for spark at
electrode and pilot. If no spark to pilot, and elec-
trode wire is properly connected, replace ignitor.
2.Pilot will not stay lit after
carefully following lighting
instructions.
A. Defective pilot generator
(thermocouple); remote
wall switch
Check pilot flame. Must impinge on thermocouple/
thermopile. NOTE: This pilot burner assembly
utilizes both—a thermocouple and a thermopile.
The thermocouple operates the main valve
operation (On and Off). Clean and/or adjust pilot
for maximum flame impingement on thermopile
and thermocouple.
B. Defective automatic valve
Turn valve knob to “Pilot.” Maintain flow to pilot;
millivolt meter should read greater than 10 mV. If
the reading is okay and the pilot does not stay On,
replace the gas valve. NOTE: An interrupter block
(not supplied) must be used to conduct this test.
3.Pilot burning; no gas to
main burner
A. Wall switch or wires defective
Check wall switch and wires for proper connec-
tions. Jumper wire across terminals at wall
switch; if burner comes on, replace defective wall
switch. If okay, jumper wires across wall switch
wires at valve. If burner comes on, wires are faulty
or connections are bad.
B. Thermopile may not be
generating sufficient
millivoltage
1. Be sure wire connections from thermopile at
gas valve terminals are tight and thermopile is
fully inserted into pilot bracket.
2. One of the wall switch wires may be grounded.
Remove wall switch wires from valve terminals;
if pilot now stays lit, trace wall switch wiring for
ground. May be grounded to fireplace or gas
supply.
3. Check thermopile with millivolt meter. Take
reading at thermopile terminals of gas valve.
Should read 250–300 millivolts (minimum 150)
while holding valve knob depressed in pilot
position and wall switch “Off.” Replace faulty
thermopile if reading is below specified minimum.
C. Plugged burner orifice
Check burner orifices for debris and remove.
D. Defective automatic valve
operator
Turn valve knob to “On;” place wall switch to “On.”
Millivolt meter should read greater than 100 mV. If
the reading is okay and the burner does not come
On, replace the gas valve.
4. Frequent pilot outage
problem
A. Pilot flame may be too low
or blowing (high), causing the
pilot safety to drop out.
Clean and/or adjust pilot flame for maximum flame
impingement on thermopile and thermocouple.
B. Possible blockage of the vent
terminal
Check the vent terminal for blockage (recycling the
flue gases).
36
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Troubleshooting the Gas Control System
SIT 822 Valve with a Honeywell Electronic Igniter
START
•TURN GAS SUPPLY OFF
• TURN ON/OFF SWITCH
TO CALL FOR HEAT "ON"
NO
CHECK: • LINE VOLTAGE (120VAC)
• LOW VOLTAGE TRANSFORMER
(19.5 minimum VAC)
• ON/OFF SWITCH
POWER TO MODULE
(24V NORMAL)
• WIRING CONNECTIONS
UNPLUG IGNITION LEAD
AND CHECK SPARK
AT MODULE
YES
NO
NO
• REPLACE MODULE
SPARK ACROSS
IGNITOR SENSOR GAP
(24VAC normal)
SPARK OK?
YES
YES
• CHECK IGNITION CABLE GROUND WIRING, CERAMIC INSULATOR
AND GAP. CORRECT AS NECESSARY
• CHECK BOOT OF IGNITION CABLE FOR SIGNS OF MELTING OR
BUCKLING. TAKE PROTECTIVE ACTION TO SHIELD
CABLE AND BOOT FROM EXCESSIVE TEMPERATURES.
NO
• TURN GAS ON
PILOT BURNER LIGHTS?
YES
• CHECK THAT ALL MANUAL GAS VALVES ARE OPEN, SUPPLY TUBING
AND PRESSURES ARE GOOD, AND PILOT BURNER ORIFICE
IS NOT BLOCKED.
• CHECK ELECTRICAL CONNECTIONS BETWEEN MODULE AND
PILOT OPERATOR ON GAS CONTROL.
• CHECK FOR 24VAC ACROSS PV-MVPV TERMINALS ON MODULE IF
VOLTAGE IS OKAY, REPLACE GAS CONTROL IF NOT, REPLACE
MODULE.
NO
SPARK STOPS WHEN
PILOT IS LIT?
NOTE: IF S8600B GOES INTO LOCKOUT, RESET SYSTEM.
• CHECK CONTINUITY OF IGNITION CABLE AND GROUND WIRE.
• CLEAN FLAME ROD
• CHECK ELECTRICAL CONNECTIONS BETWEEN FLAME ROD & MODULE.
• CHECK FOR CRACKED CERAMIC FLAME ROD INSULATOR.
• CHECK THAT PILOT FLAME COVERS FLAME ROD AND IS STEADY BLUE
• ADJUST PILOT FLAME.
YES
• IF PROBLEM PERSISTS, REPLACE MODULE.
• CHECK FOR 24VAC ACROSS MV-MVPV TERMINALS IF NO
VOLTAGE, REPLACE MODULE.
• CHECK ELECTRICAL CONNECTIONS BETWEEN MODULE AND GAS
CONTROL. IF OKAY, REPLACE GAS CONTROL, OR GAS CONTROL
OPERATOR.
NO
NO
MAIN BURNER LIGHTS?
YES
NOTE: IF S8600B GOES INTO LOCKOUT, RESET SYSTEM
SYSTEM RUNS UNTIL
ON/OFF SWITCH IS IN
"OFF" POSITION
•
CHECK FOR CONTINUITY OF IGNITION CABLE AND GROUND WIRE.
NOTE: IF GROUND IS POOR OR ERRATIC, SHUTDOWN MAY OCCUR
OCCASIONALLY EVEN THOUGH OPERATION IS NORMAL AT THE TIME
OF CHECKOUT.
YES
•
•
CHECK THAT THE PILOT FLAME COVERS FLAME ROD AND IS STEADY
AND BLUE.
IF CHECKS ARE OKAY, REPLACE MODULE.
TROUBLESHOOTING
ENDS
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Fuel Conversion Instructions
The conversion of this appliance from
one gas to another must be carried out
by an authorized service provider.
1. Disconnect power to unit and shut off the gas
supply.
2. Remove the glass (see ‘Window Frame Assembly
Removal’ Section).
3. Carefully remove the logs and lava rock material.
4. Remove the pilot assembly from the bracket.
5. Remove the screws that are holding the burner
housing assembly in place.
6. Remove the burner housing assembly.
7. Remove front and rear orifice and replace with the
Nova SIT820 Gas Valve
CO122
orifice supplied in the conversion kit. Use the orifice
with the smallest hole for the front burner and the
orifice with the largest hole for the rear burner.
Fig. 55 Nova SIT 820 gas valve conversion.
Honeywell Gas Control Valve (Fig. 56)
NOTE: On the DVRT43 (only), the adjustable
air shutter on the end burner housing must
be replaced. Refer to the instructions in the
specific gas conversion kit for details.
The Honeywell valve fitted to this unit is suitable for
use with LP or Natural Gas. It is converted to the
required gas application by installation of a color
coded “conversion screw.”
a) Using a suitable small screwdriver lift out the
central regulator cap from the HI/ LO knob on
the valve.
8. SIT Top Convertible Pilot
Gently lift off pilot hood from the pilot. (Do not
remove the spring clip holding the hood in place).
Using a correct size Allen key, unscrew the exposed
orifice. Insert the new orifice supplied in the kit; do
not overtighten the orifice. Replace the pilot hood
ensuring the index tab aligns with the notch on the
hood.
b) Unscrew the exposed conversion screw.
c) Insert the new color coded conversion screw.
Do not overtighten the screw; it must be
finger tight.
d) Refit the regulator cap.
PSE Pilot
e) Mount conversion label supplied with conversion
screw to valve in a visible position.
Using a suitable wrench on the hexagonal body
unscrew the pilot hood assembly from the pilot, do
not twist the hood itself. Remove the orifice and
replace it with the new orifice supplied in the kit.
Refit the pilot hood assembly. Do not overtighten
the pilot hood. The hood must return to its
original alignment. Take care not to damage the
thermocouple, thermopile or igniter.
10. Reassemble fireplace in the reverse order, except
window frame assembly. Leave this off until after
unit has been checked for leaks and the gas
supply has been bled.
11. After bleeding gas line and checking for leaks with
a soap solution, replace the front glass. Fire up the
unit, check for flame impingement on logs, adjust-
ing them if necessary. Check manifold and supply
pressures against the appliance specifications.
9. SIT 820 NOVA Gas Control Valve (Fig. 55)
a) Using a Torx T20 or slotted screwdriver, remove
and save (3) pressure regulator mounting screws
(A), pressure regulator tower (B), and diaphragm
(C).
The procedure for converting from one
gas to another is the same regardless of
the initial gas used. The only variation is
in the orifice sizes and component part
numbers. Your authorized service
provider will ensure correct parts are
used.
b) Ensure the rubber gasket (D) is properly posi-
tioned and install the new HI/ LO pressure
regulator to valve using the new screws (E)
supplied with the kit. Tighten screws securely.
(Reference torque: 25 in-lb)
c) Install the enclosed identification label (F) to the
valve body where it can be easily seen.
38
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Cleaning the Standing
Pilot Control System
Regulator Cap
Conversion Screw
The burner and control system consists of:
• burner housing
• pilot assembly
• millivolt gas valve
• gas orifice
Pressure
Regulator
Housing
• thermopile
Most of these components may require only an
occasional checkup and cleaning and some may
require adjustment. If repair is necessary, it should
be performed by a qualified technician.
1. Turn off pilot light at gas valve side.
2. Let fireplace cool if it has been running.
3. Remove window frame assembly. (Refer to
‘Window Frame Assembly Removal’ section.}
Honeywell Gas Valve
CO123
4. Remove logs.
Fig. 56 Honeywell gas valve conversion.
5. Vacuum burner compartment especially around
orifice primary air openings.
6. Visually inspect pilot. Brush or blow away any dust
or lint accumulation.
Maintenance
7. Reinstall logs.
8. Ignite pilot. Refer to ‘Lighting Instructions’.
9. Reinstall window frame assembly.
Burner and Burner Compartment
It is important to keep the burner and the burner
compartment clean. At least once per year the logs and
lava rock/ember material should be removed and the
burner compartment vacuumed and wiped out. Remove
and replace the logs as per the instructions in this
manual.
To obtain proper operation, it is imperative that the
pilot and burner’s flame characteristics are steady, not
lifting or floating.
Typically, the top 3/8” to 1/2” of the thermopile should
be engulfed in the pilot flame. Refer to Page 28, Figure
48.
FK-24/FK-12 Fan Assembly
The fan unit requires periodic cleaning. At least once
per month in the operating season, open the lower
louvre panels and wipe or vacuum the area around the
fan to remove any buildup of dust or lint.
To adjust pilot burner (by qualified service technician):
1. Remove pilot adjustment cap.
2. Adjust pilot screw to provide properly sized flame.
3. Replace pilot adjustment cap.
Brass Trim
The primary air shutter is set at factory and should be
adjusted, if necessary, only by a qualified service
technician.
Clean the brass trim pieces using a soft cloth lightly
dampened with lemon oil. Do not use water or
household cleaners on any brass components.
Contact your local representative to arrange an annual
service program.
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Vermont Castings, Majestic Products DVRT36/39/43
13
9a/b
58a/b
21
12
20
19
37
21
11
33
56
22
10 a/b
38
39
34
27
53a/b
54
55
6d
57
6c
DVRT43
6a/b
1h
1g
23
1b
1d
1c
52
OFF
¥
40
N
O
¥
D
E
1f
L
1i
51a/b
62
1a
24
DVRT39
OFF
T
O
L
I
L
I
P
O
H
1d
63
25a/b
1f
1e
65
1b
1c
DVRT36
60a/b
HI
1d
1f
1e
2428
Vermont Castings, Majestic Products reserves the right to make changes in design, materials, specifications and prices, and to discontinue
colors and products at any time, without notice.
DVRT36/39/43
40
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Vermont Castings, Majestic Products DVRT36/39/43
DVRT36/39/43 (continued) (Items marked ‘*’ are not shown in the parts illustration.)
Ref. Description
DVRT36
DVRT39
DVRT43
1. Log Set (Complete)
10002427
10002469
10002853
1a. Log - Rear
N/A
B43
B35
N/A
N/A
B45
1b. Log - Rear Left
1c. Log - Rear Right
B31
N/A
B46
1d. Log - Front Left
B32
B37
N/A
1e. Log - Top Left
B33
B38
N/A
1f. Log - Front Right
B34
B36
B39
1g. Log - Top Rear
N/A
N/A
B47
1h. Log - Crossover Front Left
N/A
N/A
B50
1i. Log - Front Center
N/A
N/A
B51
2. Lava Rock - Burner (not shown)
3. Lava Rock (not shown)
57897
10001454
10002425
10002432
10002510
10002510
10002912
N/A
57897
10001454
10002471
10002432
10002578
10002578
10002912
10002912
57803
57897
10001454
10002855
10002852
10002866
10002885
10002912
N/A
4. Rear Log Support Assembly (not shown)
5. Front Grate Assembly (not shown)
6a. Burner Housing Assembly - Natural
6b. Burner Housing Assembly - LP
6c. Log Support w/Stud Assembly
6d. Log Support w/Stud Assembly
7. Ceramic Tile (Single) (not shown)
8a. Orifice(s) - Main Burner - RN (not shown)
8b. Orifice(s) - Main Burner - RP (not shown)
9a. Pilot Assembly - PSE -Natural (3 Way)
9b. Pilot Assembly - PSE - LP (3Way)
10a. Pilot Assembly - SIT Top Conv. - Natural (3 Way)
10b. Pilot Assembly - SIT Top Conv. - LP (3 Way)
11. Pilot - PSE (with cable and electrode) (3 Way)
12. Pilot - SIT Top Convertible
57803
57803
Refer to rating plate for orifice specifications
Refer to rating plate for orifice specifications
10001741
10001742
10002264
10002265
10001824
10002266
10002385
10001822
10001823
10002268
10002269
53211
10001741
10001742
10002264
10002265
10001824
10002266
10002385
10001822
10001823
10002268
10002269
53211
10001741
10001742
10002264
10002265
10001824
10002266
10002385
10001822
10001823
10002268
10002269
53211
13. Pilot Hood - SIT Top Convertible
14a. Orifice - PSE Pilot - Natural (not shown)
14b. Orifice - PSE Pilot - LP (not shown)
14c. Orifice - SIT Top Conv. - Natural (not shown)
14d. Orifice - SIT Top Conv. - LP (not shown)
15. Pilot Tube w/Fittings - PSE (not shown)
16. Pilot Tube w/Fittings - SIT Top Conv. (not shown)
17. Manifold Tube w/Fittings (not shown)
18. Flexible Gas Line (18”) w/Fittings (not shown)
19. Thermocouple - PSE
10001296
57318
10001296
57318
10001296
57318
20002500
10001825
53373
20002500
10001825
53373
20002500
10001825
53373
20. Thermocouple - SIT Top Conv.
21. Thermopile
51827
51827
51827
22. Ignitor Electrode w/Cable - SIT
23. Ignitor Piezo - SIT 820 Gas Valve
24. Ignitor Piezo - Honeywell Gas Valve
25a. Gas Valve - SIT 820 - Natural
25b. Gas Valve - SIT 820 - LP
10001297
52464
10001297
52464
10001297
52464
20000062
52677
20000062
52677
20000062
52677
52678
52678
52678
26a. Gas Valve - Honeywell - Natural
26b. Gas Valve - Honeywell - LP
10001782
10001759
10001782
10001759
10001782
10001759
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Vermont Castings, Majestic Products DVRT36/39/43
DVRT36/39/43 (continued)
Ref. Description
DVRT36
54103
ZA1110
51865
51738
51882
51704
DVRT39
54103
DVRT43
54103
27. FK24 Fan Assembly w/Bracket (Optional)
28. FK12 Fan Assembly (not shown)
ZA1110
51865
ZA1110
51865
29. Electric Cord 6’ (Optional) (not shown)
30. Fan Speed Control (Optional) (not shown)
31. Fan Speed Control Knob (Optional) (not shown)
32. Fan Temperature Sensor (Optional) (not shown)
51738
51738
51882
51882
51704
51704
33. Window Frame Assembly
10001425
54174
10002478
54174
10001805
54174
34. Lower Window Frame Clamps
35. Glass w/Gasket (not shown)
54427
54445
54564
36. Window Glass Gasket (not shown)
37. Louvre Assembly Top
57317
57317
57317
10000037
10000038
52356
10000039
10000040
52356
10000041
10000042
52356
38. Louvre Assembly Bottom
39. Hinge - Bottom Louvre Assembly
40. Plate, Flue Pipe w/4’ Pipe Assembly
41. Plate, Flue Cover (not shown)
10002509
10002298
10002766
10002233
10002237
10002449
51842
10002509
10002298
10002766
10002233
10002237
10002449
51842
10002509
10002298
10002766
10002233
10002237
10002449
51842
42. Plate, Air Inlet Cover w/7” Collar (not shown)
43. Gasket, Flue Cover Plate (not shown)
44. Gasket, Flue Pipe Cover Plate (not shown)
45. Gasket, Air Inlet Pipe (not shown)
46. Remote ON/OFF Switch (not shown)
47. Wire Harness - Remote Switch (not shown)
55923
55923
55923
48. Remote ON/OFF Switch Kit
(Incls. above w/brckt)(not shown)
53875
ZA1200
53875
ZA1200
53875
49. EB-1 Electrical/Connection Box Kit (Optional) (not shown)
50. Ceramic Lining Kit (Optional) (not shown)
50a. Ceramic Lining Kit Standard on DVRT43 (not shown)
51a. RF Valve - Natural
ZA1200
BT2TBO
N/A
CT2TBO
N/A
N/A
10000459
20003719
20003720
20003561
20002266
20002268
20002047
20002541
20002400
10003279
10002387
10002388
10000696
57884
20003719
20003720
20003561
20002266
20002268
20002047
20002541
20002400
10003279
10002387
10002388
10000696
57884
20003719
20003720
20003561
20002266
20002268
20002047
20002541
20002400
10003279
10002387
10002388
10000696
57884
51b. RF Valve - LP
52. Antennae
53a. Pilot - RF - Natural (3 Way)
53b. Pilot - RF - LP (3 Way)
54. Transmitter
55. Cord Set
56. Thermopile
57. Pilot Tube 1/8” x 24” Long w/ Fittings (PSE Pilot)
58a. Pilot Assembly, SIT Top Convertible EN
58b. Pilot Assembly, SIT Top Convertible EP
59. Cable Igniter, EN & EP (not shown)
60a. Gas Valve, SIT 822 EN
60b. Gas Valve, SIT 822 EP
57883
57883
57883
61. Sensing Electrode (with Cable) EN & EP (not shown)
62. Transformer, EN & EP
57885
57885
57885
7522409
20000005
10001979
10004192
57899
7522409
20000005
10001979
10004192
57899
7522409
20000005
10001979
10004192
57899
63. Ignition Module, Honeywell, EN & EP
64. Wire Harness, Honeywell, EN & EP (not shown)
65. Relief Plate with Gasket Assy Burner Tray
66. Ignition Synetek EN & EP (not shown)
67. Wiring Harness, Synetek EN & EP (not shown)
10000417
10000417
10000417
42
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Optional Accessories
Method A: Route the 6’ (1.8m) lead fitted to the
unit to a conveniently located wall socket.
Fan Kits
Method B: If the EB-1 receptacle box (Part #
ZA1200) was correctly connected when the unit was
installed, the fan lead can be directly plugged into
FK-12 Fan Assembly
1. Open lower louvre.
2. Install FK-12 fan in back of unit between hearth
supports. (Fig. 57)
the EB-1 plug socket.
5. Whether wiring directly to the fan junction box
(Option A) or into the EB-1 (electrical receptacle
box, Option B), first ensure cable is secured using
box connector.
3. Secure fan on Velcro strips.
4. Power to the fan can be supplied by plugging the
supply lead into a conveniently located wall socket
or by using a hard-wired EB-1 connector box.
The fireplace when installed, must be
electrically connected and grounded in
accordance with local codes or, in the
absence of local codes, with the current
CSA C22.1 Canadian Electrical Code. For
USA installations, follow local codes and
the National Electrical Code, ANSI/ NFPA
No. 70.
5. Be sure fan motor does not touch nearby metal.
Side View
Cold Air
Box
Front of
Unit
Hearth Pan
Hard (Direct) Wire Hookup
First connect ground wire to ground stud located on the
base of either box. Black wire from supply should
connect to the variable speed switch. Alternate speed
switch wire connects to temperature sensor. Alternate
lead from sensor connects to fan. Alternate fan lead
connects back to the white supply wire. (Fig. 59)
FK-12 Fan
Base Pan
FP1004
Fig. 57 FK-12 Fan Kit placement.
Any electrical rewiring of this fan must
be completed by a qualified electrician.
FK-24 Fan Assembly
Fan specifications: 120 Volt, 60 Hz 75 Amp.
Turn off all power before hookup.
This fan does not require regular maintenance, however
periodic cleaning is required. Check the area under the
control door and in front of the fan and wipe or vacuum
at least once a month during the operating season.
Heat
sensor
Electrical
Box
Fan
Should this fan require servicing, the power supply
must be disconnected.
The FK-24 comes with the electrical cord attached.
A
E
1. Slide fan assembly from the left side into the
fireplace opening, line up mounting holes with
screw studs on back of fireplace and fasten with
#10-24 hex nuts.
Fan Speed
Switch
Valve
Gas Line
FP1026
2. Install thermal sensor on bottom of firebox using
#10-24 hex nuts.
Fig. 58 FK-24 fan placement.
3. Option A: Place electronic fan speed control box
on bottom of fireplace base, lining up mounting
holes with screw studs. Fasten fan speed control
box with #10-24 hex nuts.
Fan
Temperature
sensor
Speed control
Black
White
Ground
Option B: The speed control can be installed in an
electrical box at normal wall switch height for
convenient access.
FP1025
4. The power supply may be connected in 2 ways:
Fig. 59 FK-24 fan wiring.
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Vermont Castings, Majestic Products DVRT36/39/43
Remote Controls
Adjustable
Tab
Adjustable
Tab
Optional remote control units are available to control
different functions of the appliance.
Model
Function(s) Controlled
Side
Back
Side
Panel
Panel
MRC1
MRC2
MRC3
On/Off
Panel
Log Support
Burner Housing
Assy
On/Off and Temperature
On/Off and Temperature control
with digital display and programmable 24-
hour clock
Floor
Refracotory
Panel
Floor
Refracotory
Panel
IMT
Wall-mounted Thermostat Control
Lower Side
Supports
FP1193
Fig. 60 Install ceramic refractory panels.
Ceramic Refractory Panels
Ceramic refractory panels are available to line the
firebox area. The ceramic lining kit for the DVRT43 is
supplied standard with the appliance.
Rear Refractory
Panel
Unit
Kit Model
DVRT36
DVRT39
CR KIT DVT36
CR KIT DVT39
Rear Panel
Support
Brackets
Firebox Back
For installation, refer to Figures 59 and 60.
Take care when handling the refractory
panels, as they are fragile until secured
in place and supported.
1. Remove the window frame assembly.
2. Remove the logs.
Rear Log
Support
FP1194
3. Place the lower supports for the side refractory
panels on the base of the firebox. Place each
support so that the slotted hole fits over the forward
screw head along the edge of the base.
Fig. 61 Place the rear panel on rear support brackets.
Decorative Bay Window
4. Lay the angular base panels in place on the floor of
the firebox on either side of the burner housing
assembly.
When fitting the bay window kits the
original front frame/glass assembly must
remain in place. The bay window kit is
fitted over the existing front glass.
5. Loosely attach the top adjustable tabs to the
studs located in the top of the firebox toward the
front corners.
Bay window kits are available for the DVRT36 and
DVRT39 model fireplaces.
6. Place the rear refractory panel in place. Locate the
‘small brick’ edge of the panel into the two small
supports on the back panel just above the rear
log support.
Installation
1. Remove the existing louvre assembly bottom
complete with the hinges.
7. Slide the side refractory panels into place to hold
the rear panel secure. Adjust the top adjustable
tabs to hold the side panel against the firebox wall
and secure the tab. Repeat the procedure on the
other side.
2. Remove the louvre assembly top.
3. Assemble the bay window kit according to the
instructions supplied with the kit.
4. Place the two pieces of ceramic refractory along the
base of the bay window. (Fig. 62)
8. Replace the logs and window frame assembly.
5. Hang the bay window assembly over the existing
window frame assembly.
NOTE: For aesthetic purposes, aligning the
horizontal mortar lines is recommended.
6. Reinstall the upper louvre assembly.
Do not remove the existing window
frame assembly.
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Vermont Castings, Majestic Products DVRT36/39/43
Louvre Assembly Top
Bay Window
Frame
Ceramic
Refractory
Ceramic
Refractory
Spacers
Louvre
Assembly
Bottom
Bottom
Brass
Trim
Screws
FP1195
Fig. 62 Bay window.
Decorative Frame Trim
A selection of decorative frame trim kits is available for
mounting around the outside of the appliance to
enhance its visual affect on the room. Installation
instructions for each decorative frame trim are included
with the frame trim kit. Contact your authorized
distributor for details of the trim kits and ordering
information for the trim kits applicable to this model
appliance.
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Vermont Castings, Majestic Products DVRT36/39/43
For Use in Mobile Homes: Model DVRT36RMH
This appliance may be installed as an OEM installation in a manufactured home (US only), or a mobile
home; it must be installed in accordance with the manufacturer’s instructions and the manufactured
home construction and safety standard Title 24 CFR Part 3280, or Standard for Installation in Mobile
Homes CAN/ CSA Z240 MH.
This appliance is only for use with the type(s) of gas indicated on the rating plate. A conversion kit is
supplied with the appliance.
This gas fireplace should be installed by a qualified
installer in accordance with local building codes, and
with current CSA-B149.1 Installation codes for Gas
Burning Fireplaces and Equipment, and CAN/
CSA Z 240.4 Canada.
should be checked at least once a year and if
needed your venting system should be cleaned.
8. Keep the area around your fireplace clear of
combustible materials, gasoline and other
flammable vapor and liquids. This fireplace
should not be used as a drying rack for clothing, nor
should Christmas stockings or decorations be hung
on or around the fireplace.
A manufactured home (US only) or mobile home
OEM installation must conform with the Manufactured
Home Construction and Safety Standard, Title 24 CFR
Part 3280, or when such a standard is not applicable,
the Standard for Manufactured Home Installations
ANSI/NCSBCS A225.1, or Standard for Gas Equipped
Recreational Vehicles and Mobile Housing
CSA Z240.4.
9. Under no circumstances should any solid fuels
(wood, coal, paper or cardboard etc.) be used in
this fireplace.
10. The flow of combustion and ventilation air must not
be obstructed in any way.
The appliance when installed, must be electrically
grounded in accordance with local codes or, in the
absence of local codes, with the current National
Electrical Code, ANSI/NFPA 70, or the Canadian
Electrical Code, CSA C22.1.
11. When the fireplace is installed directly on
carpeting, vinyl tile or any combustible material
other than wood, the fireplace must be installed on
a metal or wood panel extending the full width and
depth of the fireplace.
FOR SAFE INSTALLATION AND OPERATION
PLEASE NOTE THE FOLLOWING:
12. This fireplace requires adequate ventilation and
combustion air to operate properly.
1. This fireplace gives off high temperatures and
should be located out of high traffic areas and away
from furniture and draperies.
2. Children and adults should be alerted to the hazards
of fireplace high surface temperatures and should
stay away to avoid burns or ignition of clothing.
Vermont Castings, Majestic Products
Model DVRT36RMH must be firmly
attached to the building.
Conversion Instructions
3. Children should be carefully supervised when in the
same room as your fireplace.
4. Under no circumstances should this fireplace be
modified. Parts removed for servicing should be
replaced prior to operating this fireplace again.
5. Installation and any repairs to fireplace should be
performed by qualified installer, service agency or
gas supplier. A professional service person should
be contacted to inspect fireplace annually. More
frequent cleaning may be required due to excess lint
and dust from carpeting, bedding material, etc.
1. Discount power to unit and shut off the gas supply.
2. Remove the window frame assembly (see ‘Window
Frame Assembly’ section).
3. Carefully remove the logs.
4. Remove the pilot assembly from bracket.
5. Remove the screws which are holding the burner
housing assembly in place.
6. Remove the burner housing assembly.
7. Remove the main and front orifice and replace with
the orifice supplied in the conversion kit. Use the
small orifice size for the front burner and the bigger
orifice size for the main burner.
6. Control compartments, burners and air passages in
this fireplace should be kept clean and free of dust
and lint. Make sure that the gas valve and pilot light
are turned off before you attempt to clean this
fireplace.
7. The venting system (chimney) of this fireplace
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Vermont Castings, Majestic Products DVRT36/39/43
8. Remove the compression fitting which holds the
aluminium tubing in the pilot assembly. This will
reveal the pilot orifice which must be replaced with
the one provided in the conversion kit.
9a. Units with SIT valve (see pictures in the
installation instructions supplied with the kit):
a) Using a Torx T20 or slotted screwdriver, remove
and save the three pressure regulator mounting
screws (A), pressure regulator tower (B) and
diaphragm (C).
b) Ensure the rubber gasket (D) is properly
positioned and install the new Hi/ Lo pressure
regulator to the valve using the new screws (E)
supplied with the kit. Tighten screws securely.
(Ref. torque: 25 in-lb).
c) Install the enclosed identification label (F) to the
valve body where it can be easily seen.
9b.Units with Honeywell valve:
The Honeywell valve fitted to this unit is preset for
LP gas. It is convertible to natural gas by the
installation of a color coded “conversion screw.” To
insert the conversion screw, refer to the instructions
and diagrams in the Honeywell Installation
Instructions supplied in the conversion kit packaged
with the DVRT36RMH unit.
10. Reassemble the fireplace in the reverse order,
except for the window frame assembly. Leave this
off until the unit has been checked for leaks and the
gas supply line has been bled.
11. After bleeding the gas line and checking for leaks
with a soap solution, replace the window frame
assembly. Fire up the unit, check for flame
impingement on the logs, adjusting them if
necessary. Check the manifold and supply
pressures.
NOTE: If further assistance is required, refer to
‘Troubleshooting’ and ‘Parts List’ in this manual.
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LIMITED LIFETIME WARRANTY
PRODUCT COVERED BY THIS WARRANTY
All Vermont Castings gas stoves, gas inserts, and gas fireplaces, and all Majestic or Northern Flame brand gas fireplaces
equipped with an Insta-Flame Ceramic Burner, or standard steel tube burner.
BASIC WARRANTY
•
Any part and/or component replaced under the provisions of this
warranty is covered for six months or the remainder of the original
warranty, whichever is longest.
Vermont Castings, Majestic Products (hereinafter referred to
collectivelyastheCompany)warrantsthatyournewVermontCastings
or Majestic Gas Fireplace/Stove is free from manufacturing and
material defects for a period of one year from the date of purchase,
subject to the following conditions and limitations.
•
This warranty is limited to the repair of or replacement of part(s) found
to be defective in material or workmanship, provided that such part(s)
have been subjected to normal conditions of use and service, after
said defect is confirmed by the Company’s inspection.
EXTENDED LIFETIME WARRANTY
•
•
Thecompanymay, at itsdiscretion, fullydischargeallobligationswith
respect to this warranty by refunding the wholesale price of the
defective part(s)
The heat exchanger, where applicable, and combustion chamber of
every Vermont Castings or Majestic gas product is warranted for life
against through wall perforation. All appliances equipped with an
Insta-Flame Ceramic Burner have limited lifetime coverage on the
ceramic burner plaque. Warrantees are made to the original owner
subject to proof of purchase and the conditions and limitations listed
on this Warranty Document
Any installation, labor, construction, transportation, or other related
costs/expensesarisingfromdefectivepart(s), repair, replacement, or
otherwise of same, will not be covered by this warranty, nor shall the
Company assume responsibility for same. Further, the Company will
not be responsible for any incidental, indirect, or consequential
damages except as provided by law.
COMPONENT WARRANTY
CAST IRON: All external and internal cast iron parts are warranted for a
period of three years.
•
SOME STATES DO NOT ALLOW FOR THE EXCLUSION OR
LIMITATIONSOFINCIDENTALANDCONSEQUENTIALDAMAGES
ORLIMITATIONSONHOWLONGANIMPLIEDWARRANTYLASTS,
SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOUR
CIRCUMSTANCES. THIS WARRANTY GIVES YOU SPECIFIC
RIGHTS AND YOU MAY HAVE OTHER RIGHTS WHICH VARY
FROM STATE TO STATE.
Note: On porcelain enamel finished external parts and accessories
The Company offers no Warranty on chipping of enamel surfaces.
Inspect all product prior to accepting it for any damage to the enamel.
The salt air environment of coastal areas or a high humidity
environment can be corrosive to the porcelain enamel finish. These
conditions can cause rusting of the cast iron beneath the porcelain
enamel finish, which will cause the finish to flake off.
•
•
•
•
Allotherwarranties-expressedorimplied-withrespecttotheproduct,
its components and accessories, or any obligations/liabilities on the
part of the Company are hereby expressly excluded.
Dye lot variations with replacement parts and/or accessories can
occur and are not covered by warranty.
The Company neither assumes, nor authorizes any third party to
assume on its behalf, any other liabilities with respect to the sale of
this Vermont Castings, Majestic product
GLASS DOORS: Glass doors are covered for a period of one year.
Glass doors are not warranted for breakage due to misuse or
accident. Glass doors are not covered for discoloration or burned in
stains due to environmental issues, or improper cleaning and
maintenance.
The warranties as outlined within this document do not apply to
chimney components or other non Vermont Castings, Majestic
accessories used in conjunction with the installation of this product..
Damage to the unit while in transit is not covered by this warranty but
is subject to claim against the common carrier. Contact the dealer
from whom you purchased your fireplace/stove (do not operate the
appliance as this might negate the ability to process the claim with the
carrier).
BRASS PLATED PARTS AND ACCESSORIES: Brass parts should be
cleaned with Lemon oil only. Brass cleaners cannot be used. Mortar
mix and masonry cleaners may corrode the brass finish. The
Company will not be responsible for, nor will it warrant any brass parts
which are damaged by external chemicals or down draft conditions.
•
•
The Company will not be responsible for:
GAS VALVES: Gas valves are covered for a period of one year
a) Down drafts or spillage caused by environmental conditions such
as near-by trees, buildings, roof tops, hills, or mountains.
b) Inadequate ventilation or negative air pressure caused by
mechanical systems such as furnaces, fans, clothes dryers, etc.
ELECTRONIC AND MECHANICAL COMPONENTS: Electronic and
mechanical components of the burner assembly are covered for one
year. All steel tube burners are warranted for one year.
ACCESSORIES: Unless otherwise noted all components and Vermont
Castings, Majestic Products company supplied accessories are covered
for a period of one year.
This warranty is void if:
a) The fireplace has been operated in atmospheres contaminated
by chlorine, fluorine, or other damaging chemicals.
b) The fireplace has been subjected to prolonged periods of
dampness or condensation
c) Any damages to the fireplace, combustion chamber, heat
exchangerorothercomponentsduetowater,orweatherdamage,
which is the result of but not limited to, improper chimney/venting
installation.
CONDITIONS AND LIMITATIONS
•
This new Vermont Castings or Majestic product must be installed by
a competent, authorized, service contractor. A licensed technician,
as prescribed by the local jurisdiction must perform any installation/
service work. It must be installed and operated at all times in
accordance with the Installation and Operating instructions furnished
with the product. Any alteration, willful abuse, accident, or misuse of
the product shall nullify this warranty.
d) Any alteration, willful abuse, accident, or misuse of the product
has occurred.
•
•
This warranty is non-transferable, and is made to the original owner,
provided that the purchase was made through an authorized supplier
of the Company.
IF WARRANTY SERVICE IS NEEDED…
1) Contactyoursupplier. Makesureyouhaveyourwarranty,
your sales receipt, and the model/serial number of your
Vermont Castings, Majestic product.
2) DO NOT ATTEMPT TO DO ANY SERVICE WORK
YOURSELF.
ThecustomermustpayforanyAuthorizedDealerin-hometravelfees
or service charges for in-home repair work. It is the dealers option
whether the repair work will be done in the customer’s home or in the
dealer’s shop.
•
If upon inspection, the damage is found to be the fault of the
manufacturer, repairs will be authorized at no charge to the customer
parts and/or labor.
48
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Efficiency Ratings
Model
EnerGuide Ratings
Steady State (%)
D.O.E.
Fireplace Efficiency (%) Fan-OFF
Fan-ON
(AFUE%)
DVRT36RN
DVRT36EN
DVRT36EN
DVRT36EP
DVRT36RFN
DVRT36RFP
DVRT36RMH
DVRT39RN
DVRT39RP
DVRT39EN
DVRT39EP
DVRT43RN
DVRT43RP
DVRT43EN
DVRT43EP
59.5
59.8
59.5
59.8
59.5
59.8
59.5
65.4
66.8
65.4
66.8
63.7
63.7
63.7
63.7
83
84
83
84
83
84
83
83
84
83
84
83
84
83
84
84
63
63
63
63
63
63
63
64
64
64
64
64
64
64
64
85
84
85
84
85
84
84
85
84
85
84
85
84
85
Vermont Castings, Majestic Products
410 Admiral Blvd. • Mississauga, Ontario, Canada L5T 2N6 • 905-670-7777
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