Vermont Casting Indoor Fireplace DVRTSB User Manual

Bay Window  
Rear/Top Convertible  
Direct Vent Fireplaces  
Model: DVRTSB  
INSTALLER/CONSUMER  
SAFETY INFORMATION  
PLEASE READ THIS MANUAL  
BEFORE INSTALLING AND USING  
APPLIANCE  
WARNING!  
IF THE INFORMATION IN THIS  
MANUAL IS NOT FOLLOWED  
EXACTLY, A FIRE OR EXPLOSION  
MAY RESULT, CAUSING  
PROPERTY DAMAGE, PERSONAL  
INJURY OR LOSS OF LIFE.  
FOR YOUR SAFETY  
Installation and service must be  
performed by a qualified installer,  
service agency or your gas supplier.  
Homeowner’s Installation and  
Operating Manual  
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 FLAMMABLE VAPORS AND/OR  
LIQUIDS IN THE VICINITY OF THIS OR  
CERTIFIED  
I
ANY OTHER APPLIANCE.  
INSTALLER: Leave this manual with the appliance.  
CONSUMER: Retain this manual for future reference.  
10003848 1/07 Rev. 3  
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DVRTSB Bay Window Fireplace  
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. For U.S.A  
Installations follow local codes and/or the current  
National Fuel Gas Code ANSI Z223.1/NFPA 54.  
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.  
12. This fireplace requires adequate ventilation and  
combustion air to operate properly.  
In the Commonwealth of Massachusetts, all gas fitting  
and installation of this heater shall only be done by a  
licensed gas fitter or licensed plumber.  
FOR SAFE INSTALLATION AND OPERATION  
PLEASE NOTE THE FOLLOWING:  
13. This fireplace must not be connected to a chimney  
flue serving a separate solid fuel burning fireplace.  
14. When the fireplace is not in use it is recommended  
that the gas valve be left in the OFF position.  
1. This fireplace gives off high temperatures and should  
be located out of high traffic areas and away from  
furniture and draperies.  
WARNING: Check with your electronics manufactur-  
er before installing a television or other electronic  
device above this fireplace.  
2. Children and adults should be alerted to the hazards  
of high surface temperatures of this fireplace and  
should stay away to avoid burns or ignition of cloth-  
ing.  
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 de-  
fects and other reproductive harm.  
3. CAUTION: Due to high glass surface temperature  
children should be carefully supervised when in  
the same room as fireplace.  
California Health & Safety Code Sec. 25249.6  
4. Under no circumstances should this fireplace be  
modified. Parts removed for servicing should be  
replaced prior to operating this fireplace again.  
This appliance may be installed in an aftermarket  
permanentlylocated,manufacturedhome or mobile  
home, where not prohibited by local codes.  
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.  
This appliance is only for use with the type of gas  
indicated on the rating plate. This appliance is  
not convertible for use with other gases, unless a  
certified kit is used.  
The DVRTSB has been approved for mobile home  
installations.  
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.  
IMPORTANT:  
PLEASE READ THE FOLLOWING CAREFULLY  
Remove any plastic from trim parts before turning the  
fireplace ON.  
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 a 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.  
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 com-  
bustible 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.  
Please ensure that your room is well ventilated  
- open all windows during burn in period.  
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.  
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.  
3
10003848  
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DVRTSB Bay Window Fireplace  
Fireplace Dimensions (Installed as Top Vent)  
G
G
F
F
E
Gas  
Line  
Inlet  
EB1 Box Inlet  
2³⁄₈"  
(60mm)  
4¹⁄₈"  
(105mm)  
K - Rough Opening Depth  
M - Rough Opening Width  
3⁷⁄₈"  
5⁷⁄₁₆"  
(138mm)  
(99mm)  
J
Rough  
Opening  
Height  
H
I
L
A
B
7/8" Dia.  
1¹⁄₂" Dia.  
C
D
3848  
Fig. 2 Fireplace specifications and framing dimensions.  
Ref.  
A
DVRTSB (Top Vent)  
35” (888 mm)  
B
34³⁄₈” (873 mm)  
32³⁄₄” (831 mm)  
34⁷⁄₈” (885 mm)  
C
D
E
2¹⁄₄”  
(56 mm)  
(51 mm)  
F
2”  
G
H
I
17¹⁄₂” (444 mm)  
24”  
5¹⁄₂”  
2³⁄₈”  
(610 mm)  
(139 mm)  
(61 mm)  
J
Framing Dimensions  
K
L
24” (610 mm) minus one finishing material  
thickness to be even with face of unit  
Not to be framed until unit is set in place due  
to 3¹⁄₈” (79 mm) allowance for flue collar.  
M
35” (888 mm) minus twice the finishing material  
thickness to be even with face of unit.  
10003848  
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DVRTSB Bay Window Fireplace  
Fireplace Dimensions (Installed as Rear Vent)  
G
G
F
F
E
Gas  
Line  
Inlet  
EB1 Box  
Inlet  
2³⁄₈"  
(60mm)  
4¹⁄₈"  
(105mm)  
K - Rough Opening Depth  
M - Rough Opening Width  
3⁷⁄₈"  
5⁷⁄₁₆"  
(99mm)  
(138mm)  
Rough  
H
J
Opening  
Height  
I
L
A
B
7/8" Dia.  
1¹⁄₂" Dia.  
C
D
3848  
Fig. 3 Fireplace specifications and framing dimensions.  
Ref.  
A
B
C
D
E
DVRTSB (Rear Vent)  
35”  
34³⁄₈”  
32³⁄₄”  
34⁷⁄₈”  
2¹⁄₄”  
2”  
(888 mm)  
(873 mm)  
(831 mm)  
(885 mm)  
(56 mm)  
F
(51 mm)  
G
H
I
17¹⁄₂”  
24”  
5³⁄₄”  
2³⁄₈”  
(444 mm)  
(610 mm)  
(139 mm)  
(61 mm)  
J
Framing Dimensions  
K
24” (609 mm) minus one finishing material  
thickness to be even with face of unit  
35¹⁄₄” (895 mm)  
L
M
35” (888 mm) minus twice the finishing material  
thickness to be even with face of unit.  
5
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DVRTSB Bay Window Fireplace  
Locating Your Fireplace  
V
W
X
Y
X
Z
X
X
A
Y
A
B
C
D
E
Y
Fireplace  
Y
Z
A
Top Louvre  
Assembly  
FP1374  
Top of  
Combustion  
Chamber  
Fig. 1 Locating gas fireplace.  
A. Wall Location (Fig. 1)  
Y (Minimum distance between a glass panel and a parallel  
wall = 3’ (914 mm)  
Z (Minimum distance between edge of a glass panel and  
an adjacent wall = 2-3/4” (70 mm)  
Bottom of Door  
Trim  
Mantel Chart  
Mantel Shelf  
CFM146  
Mantel from Top  
B. Island Location (FIg. 1)  
Ref. or Breast Plate Ref. of Comb. Chamber  
Depth  
X (Maximum length of horizontal venting = 20’ (6.1 m).  
Refer to the venting section of this manual for specific  
dimensions.  
V
W
X
Y
Z
10” (254 mm)  
8” (203 mm)  
6” (152 mm)  
4” (101 mm)  
2” (51 mm)  
A
B
C
D
E
19” (483 mm)  
17” (432 mm)  
15” (381 mm)  
13” (330 mm)  
11” (279 mm)  
Clearance to Combustibles  
Top of Unit to Ceiling ......................................... 36” (914 mm)  
Front of Unit to Combustibles............................ 36” (914 mm)  
Appliance  
Top.................................................. (0”) 0 mm to stand-off  
Bottom ................................................................(0”) 0 mm  
Back.........................................(1/2”) 13 mm to rear panel  
Side Wall ........................................................... (0”) 0 mm.  
(behind side glass panel)  
Fig. 4 Combustible mantel minimum installation.  
NOTE: The above mantel shelf chart will be applied  
for the front and two sides of the fireplace.  
Hearth  
Venting  
Concentric sections of DV Vent  
Top, bottom & sides .......................................... (1”) 25 mm  
Non-concentric sections of DV Vent  
Side and bottom................................................ (1”) 25 mm  
Top....................................................................(2”) 51 mm  
A hearth is not mandatory but is recommended for  
aesthetic purposes. We recommend a noncombustible  
hearth which projects out 12” (305mm) or more from  
the front of the fireplace.  
Cold climate installation recommendation:  
When installing this unit against a non-  
insulated exterior wall or chase, it is  
mandatory that the outer walls be insulated  
to conform to applicable insulation codes.  
Mantels  
The height that 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.  
Framing and Finishing  
For the correct mounting height and widths refer to  
Figure and the Mantel Chart below.  
1. Choose the unit location.  
2. Place the unit into position and secure it to the floor  
with 1¹⁄₂” (38 mm) screws, or nails. The holes to  
secure the unit to the floor are located just behind  
the access door grille on the left and right side of the  
unit.  
Noncombustible mantels and legs may be installed at  
any height and width around the appliance.  
When using paint or lacquer to finish the  
mantel, such paint or lacquer must be heat  
resistant to prevent discoloration.  
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.  
4. Drywall (sheetrock) or wood material may be placed  
with a zero clearance to the top edges of the appli-  
10003848  
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DVRTSB Bay Window Fireplace  
ance when finishing walls above sides of the appli-  
ance with glass windows. Attach the wall finishing to  
the constructed frame not the appliance.  
Gas Line Installation  
When purging the gas lines, the front glass  
must be removed.  
5. On DVRTSB models, drywall, wood or wood molding  
may be placed with zero clearance to the  
rear  
The gas pipeline can be brought in through the side and  
back 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 connec-  
tion. It is most convenient to bring the gas line in from  
the right side of the valve as this allows fan installation  
or removal without disconnecting the gas line.  
wall of the unit, along the vertical edge formed  
by the standoffs to intersection of the rear wall to the  
side wall containing the small glass window. Attach  
the wall finishing to the constructed frame, not the  
appliance.  
Final Finishing  
The gas line connection can be made with properly  
tinned 3/8” copper tubing, 3/8” rigid pipe or an approved  
flex connector. Since some municipalities have addi-  
tional local codes, it is always best to consult your local  
authority and the CSA-B149.1 installation codes.  
Noncombustible materials such as brick or tile may be  
extended over the edges of the face of the appliance.  
DO NOT cover any vent or grille panels.  
If a Trim Kit is going to be installed on the fireplace, the  
brick or tile will have to be installed flush with the edges  
of the appliance.  
For USA installations consult the current National Fuel  
Gas Code, ANSI Z223.1/NFPA 54.  
Gas Specifications  
Always check for gas leaks with a mild  
soap and water solution. Do not use an  
open flame for leak testing.  
Min.  
Input  
Max.  
Input  
Model  
DVRTSB RN Nat  
DVRTSB RP Prop  
Fuel Gas Control BTU/h BTU/h  
1/2” Gas Supply  
Millivolt  
Millivolt  
30,000 21,000  
30,000 22,500  
1/2” NPT x 1/2” Flare  
Shut-off Valve  
3/8” Flex Line  
(From Valve)  
Gas Inlet and Manifold Pressures  
Natural  
LP (Propane)  
Inlet Minimum Pressure  
Inlet Maximum Pressure 14.0” w.c.  
Manifold Pressure 3.5” w.c.  
5.5” w.c.  
11.0” w.c.  
14.0” w.c.  
10.0” w.c.  
FP297a  
Fig. 5 Typical gas supply installation.  
The gas control is equipped with a captured screw type  
pressure test point, therefore it is not necessary to pro-  
vide a 1/8” test point up stream of the control.  
High Elevations  
Input ratings are shown in BTU per hour and are  
certified without deration for elevations up to  
4,500 feet (1,370m) above sea level.  
When using copper or flex connector use only approved  
fittings. Always provide a union when using black iron  
pipe so the gas line can be easily disconnected for  
burner or fan servicing. Refer to the gas specification  
for pressure details and ratings.  
For elevations above 4,500 feet (1,370m) in USA,  
installations must be in accordance with the  
current ANSI Z223.1/NFPA 54 and/or local codes  
having jurisdiction.  
The fireplace valve must not be subjected  
to any test pressures exceeding 1/2 psi.  
Isolate or disconnect this or any other gas  
appliance control from the gas line when  
pressure testing.  
In Canada, please consult provincial and/or local  
authorities having jurisdiction for installations at  
elevations above 4,500 feet (1,370m).  
DVRTSB  
Certified To  
ANSI Z21.88 - 2005 / CSA 2.33 - 2005  
Vented Gas Fireplace Heaters  
Units: B02A01, B02B01  
7
10003848  
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DVRTSB Bay Window Fireplace  
EB-1 Electrical Box  
Remote ON/OFF Switch Installation  
The fireplace, when installed, must be elec-  
trically connected and grounded in accord-  
ance with local codes or, in the absence  
of local codes, with the current CSA C22.1  
Canadian Electrical Code  
1. Thread the wiring through the holes on the end  
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.  
2. Attach the wire to the ON/OFF switch and install the  
switch into the receptacle box.  
For USA installations follow the local  
codes and the national electrical code  
ANSI/NFPA No. 70.  
3. Connect the other ends of the wire to the gas  
control valve. (Fig. 7)  
It is strongly suggested that the wiring of  
the EB-1 Electrical Junction Box be carried  
out by a licensed electrician.  
Remote ON/OFF Switch or Ther-  
mostat or Remote Control  
Ensure that the power to the supply line  
has been disconnected before commenc-  
ing this procedure.  
TP  
TH  
The EB-1 Electrical junction box has been supplied  
standard on this model to allow for the easy connection  
of an optional fan kit. (Fig. )  
Gas  
Control  
Valve  
TP  
To connect the EB-1 box to the house electrical supply  
follow the steps below.  
TH  
1. Remove the front cover of the EB-1 box.  
FP1376  
2. Remove the plug socket assembly from the EB-1  
box.  
Fig. 7 Remote switch wiring diagram.  
3. Feed the supply line in from the outside through the  
electrical knock-out.  
Alternate Switch Location  
4. Connect the ground wire of the supply line to the  
green screw of the socket assembly.  
The remote switch can be installed on the front/side of  
the access door. Simply mount the switch to the bracket  
provided and screw the bracket to either side of the  
frame, lining up the screws with the pre-punched holes.  
(Fig. 8)  
5. Connect the white wire of the power line to the  
chrome screw of the socket assembly.  
6. Connect the black wire of the power supply line to  
the brass screw (polarized) of the socket assembly.  
7. Refit the socket assembly back into the electrical  
box and replace the cover plate.  
8. The EB-1 electrical junction box is now ready to  
supply power to the FK12 or FK24 fan kits, if fitted.  
Electrical Box (EB-1)  
1¹⁄₂”  
Gas  
Inlet  
Holes  
FP1377  
FK24 Fan  
Kit  
Fig. 8 Alternate switch location.  
Retaining  
Screw  
Mounting  
Studs  
FP1375  
Fig. 6 EB-1 electrical box.  
10003848  
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DVRTSB Bay Window Fireplace  
Optional Top Vent Application  
This appliance is shipped as a rear vent unit. If the  
installation layout requires the unit to be a top vent con-  
figuration the appliance can be converted by following  
the steps below.  
Insulation  
Flue  
Cover  
When removing and refitting the plates and adapter be  
sure the associated gaskets are undamaged and refitted  
as required.  
Flue  
Pipe  
Remove  
Screws (4)  
1.  
Remove the 10 screws securing the outer collar  
adapter to the fireplace body. (Fig. 9)  
2. Set the collar aside, complete with the gasket. Do not  
damage the gasket as the adapter and gasket must  
be refitted.  
Remove Screws (4)  
FP1027  
3. Remove all of the insulation material (exposed in  
Fig. 10 Remove flue cover and flue pipe.  
Step  
2) from the top of the unit. (Fig. 10) This  
material can be discarded, however if the unit is con-  
verted back to rear vent for any reason a new piece  
of insulation material approved by CFM Corporation  
must be used for this purpose.  
Flue Cover Plate  
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. 11)  
5. Remove four (4) screws securing the flue pipe to  
back of the intake box and remove pipe and gasket.  
(Fig. 11)  
Flue  
Pipe  
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.  
FP1378  
Fig. 11 Remove flue pipe and flue cover plate.  
7. Install the flue pipe and gasket removed in Step 5  
over the flue opening in the top of the intake box.  
8. Refit the outer collar adapter and gasket to the unit  
with the round collar on the top. Secure the adapter  
with the 10 screws removed in Step 1.  
When converting the appliance to top vent, ensure  
the insulation material referred to in Step 3 is com-  
pletely removed.  
Rear View  
Outer Col-  
lar Adapter  
Flue  
Pipe  
Remove  
Screws  
(5)  
Remove  
Screws (5)  
FP1030  
Fig. 9 Remove screws from outer collar adapter.  
9
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DVRTSB Bay Window Fireplace  
General Venting Information – Termination Location  
den sheds, fences, decks or utility buildings within 24”  
from the front of the termination hood.  
Your fireplace is approved to be vented either through  
the rear wall or the vertical side wall, or vertical through  
the roof.  
Location of Vent Termination  
Only venting components specifically approved and  
labeled for this fireplace may be used.  
It is imperative the vent termination be located observ-  
ing the minimum clearances as shown on this page.  
Venting terminals shall not be recessed into a wall or  
siding.  
*Check with local codes or in absence of same with  
CSAB149.1 Installation Codes (1991) for Canada or fol-  
low the current National Fuel Gas Code, ANSIZ223.1/  
NFPA 54 for installations in the USA.  
Horizontal venting must be installed on a level plane  
without any incline or decline.  
There must not be any obstruction such as bushes, gar-  
10003848  
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DVRTSB Bay Window Fireplace  
General Venting Information - Termination Location  
INSIDE  
CORNER DETAIL  
G
V
N
H
N
A
D
E
B
V
L
C
B
B
 
�  
V
V
B
V
V
Fixed  
Operable  
Operable  
Closed  
F
B
M
V
J
X
B
I
K
X
V
A
CFM145a  
AREA WHERE TERMINAL IS NOT PERMITTED  
VENT TERMINATION  
X
AIR SUPPLY INLET  
V
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’ (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)  
12” (305mm)  
see next page  
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’ (5m)  
above the meter/regulator assembly  
3’ (91cm) within a height of 15’  
(5m) 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”  
(23cm) for appliances > 10,000  
Btuh (3kW) and < 50,000 Btuh  
(15kW), 12” (30cm) for  
other appliances  
appliances > 10,000 Btuh (3kW) and  
< 100,000 Btuh (30kW), 36” (91cm)  
for appliances > 100,000 Btuh (30kW)  
appliances > 50,000 Btuh (15kW)  
K = Clearance to a mechanical air supply inlet  
6’ (1.83m)  
3’ (91cm) above if within 10  
feet (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 Direct Vent Fireplaces are certified as part of the appliance, with clearances tested and  
approved by the listing agency.  
3. CFM Corporation assumes no responsibility for the improper performance of the appliance when the venting system does not  
meet these requirements.  
Fig. 12 Termination location requirements.  
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Termination Clearances  
Termination clearances for buildings with combustible and noncombustible exteriors.  
Inside Corner  
Alcove Applications*  
Outside Corner  
D
C
C
F =  
Combustible  
6" (152 mm)  
G =  
Combustible  
6" (152 mm)  
V
G
V
Noncombustible  
2" (51 mm)  
V
E
Noncombustible  
2" (51 mm)  
O
F
Balcony -  
with no side wall  
Balcony -  
with perpendicular side wall  
E = Min. 6” (152 mm) for  
non-vinyl sidewalls  
Min. 12” (305 mm) for  
vinyl sidewalls  
O = 8’ (2.4 m) Min.  
M
No.  
of Caps  
M
V
DMin.  
CMax.  
V
1
2
3
4
3’ (.9 mm) 2 x DActual  
6’ (1.8 m) 1 x DActual  
9’ (2.7 m) 2/3 x DActual  
12’ (3.7 m) 1/2 x DActual  
P
Combustible &  
Noncombustible  
M =  
Combustible &  
Noncombustible  
12" (305 mm)  
M = 24" (610 mm)  
P = 20” (508 mm)  
DMin. = # of Termination caps x 3  
CMax. = (2 / # termination caps) x DActual  
584-15  
*NOTE: Termination in an alcove space (spaces open only on one side and with an overhang) is permitted with the dimensions  
specified for vinyl or non-vinyl siding and soffits. 1. There must be a 3’ (914 mm) minimum between termination caps. 2. All  
mechanical air intakes within 10’ (1 m) of a termination cap must be a minimum of 3’ (914 mm) below the termination cap. 3. All  
gravity air intakes within 3’ (914 mm) of a termination cap must be a minimum of 1’ (305 mm) below the termination cap.  
Fig. 12a Termination clearances.  
General Information for Connecting Vent Pipes  
Canadian Installations:  
To join the 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 the external flange on the male end. It is  
recommended that you secure the joints with three (3)  
sheet metal screws, however this is not mandatory with  
twist lock pipe.  
Venting system must be installed in accordance with  
the current CSA-B149.1 installation code.  
USA Installations:  
The venting system must conform with local codes and/  
or the current National Fuel Gas code ANSI Z223.1/  
NFPA 54.  
NOTE: For ease of assembly, use a lubricant (Vaseline  
or similar substance) on male end of twist lock pipe  
prior to assembly.  
Only direct vent components manufactured by CFM  
Corporation can be used in Direct Vent systems.  
Twist Lock Pipes  
Male End  
Female End  
When using CFM Corporation twist-lock pipe it is not  
necessary to use sealant on the joints. The only areas  
of the venting system that need to be sealed with high  
temperature silicone sealant are the sliding joints of any  
telescopic vent section used in the system.  
Screw Holes  
TWL100  
Fig. 14 Twist-lock pipe joints.  
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DVRTSB Bay Window Fireplace  
Rear Wall Vent Applications  
How to Use the Vent Graph  
The vent chart should be read in conjunction with the  
following vent installation instructions to determine the  
relationship of the vertical and horizontal dimensions of  
the vent system.  
When installed as a rear vent unit this appliance may  
be vented directly to a termination located on the rear  
wall behind the appliance.  
Specific rear vent starter kits must be used in these  
applications (see ‘Venting Components’). The  
appliance has been approved for installation flat  
against a rear wall. (Fig. 16)  
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, (Fig. 15)  
locate the point intersecting with slanted graph line.  
The maximum horizontal distance between the rear  
of the appliance and the outside face of the rear wall  
is 20” (508mm). (Fig. 16)  
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 minimum clearances between any combustible  
material and the vent pipe sections are:  
Example A:  
Top ..................................................... 2” (51 mm)  
Sides.................................................. 1” (25 mm)  
Bottom................................................ 1” (25 mm)  
If the vertical dimension from the floor of the  
fireplace is 11’ (3.4 m) the horizontal run to the face  
of the outer wall must not exceed 14’ (4.3 m).  
When the vent termination is installed in an accessible  
location, a Screen Guard Kit, item #7V1B60, should be  
installed. (Accessible means the termination is likely to  
be touched)  
Example B:  
If the vertical dimension from the floor of the unit is  
7’ (2.14 m), the horizontal run to the face of the outer  
wall must not exceed 8¹⁄₂’ (2.6 m).  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
20"  
(508 mm)  
FP1379  
Fig. 16 Rear vent application, no elbows.  
Rear Wall Vent Installation  
STEP 1  
Locate and cut the vent opening in the wall. (Fig. 17)  
For combustible walls first frame in opening. ( Fig. 17)  
12  
eg: A  
11  
10  
9
Combustible Walls: Cut a 10³⁄₈”H x 9³⁄₈” W (265 x  
240mm) hole through the exterior wall and frame.  
(Fig.21)  
8
7
eg: B  
Noncombustible Walls: Hole opening must be 7¹⁄₂”  
(190 mm) in diameter.  
6
5
4
3
STEP 2  
Measure wall thickness and cut zero clearance sleeve  
parts to proper length (MAXIMUM 12”/305 mm). As-  
semble sleeve to its maximum opening (10³⁄₈” x 9³⁄₈”)  
and attach to firestop with #8 sheet metal screws (sup-  
plied). Install firestop assembly. (Fig. 18)  
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20  
Horizontal dimension from the outside face of the wall  
to the center of the fireplace vent flange  
CFM102  
Fig. 15 Sidewall vent graph showing the relationship be-  
tween vertical and horizontal dimensions for a Direct Vent flue  
system.  
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STEP 5  
Vent Opening for Combustible Wall  
Guide the vent through the vent hole as you place the  
appliance in its installed position. Guide the 4” (102mm)  
and 7” (175 mm) 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 temination remove  
and realign the venting at the appliance flue collars.  
Attach the termination to the wall as outlined in the  
instruction sheet supplied with the termination.  
9³⁄₈”  
(240 mm)  
10³⁄₈”  
(265 mm)  
Framing Detail  
Vertical Sidewall Applications  
Since it is very important the venting system maintain  
its balance between the combustion air intake and the  
flue gas exhaust, certain limitations as to vent configu-  
rations apply and must be strictly adhered to.  
Opening for Noncombustible Wall  
7¹⁄₂”  
(190 mm)  
The vent graph showing the relationship between verti-  
cal and horizontal side wall venting will help to deter-  
mine the various dimensions allowable.  
VO584-100  
Minimum clearance between vent pipes  
and combustible materials is one 1”  
(25mm) on top, bottom and sides unless  
otherwise noted.  
Fig. 17 Locate vent opening on wall.  
Zero clearance sleeve is only required for  
combustible walls.  
When the vent termination exits through foundations  
less than 20” (508 mm) below siding outcrop, the vent  
pipe must flush up with the siding.  
Adjustable Zero  
Clearance Sleeve  
Max. Length 12”  
(305mm)  
It is always best to locate the fireplace in such a way  
that minimizes the number of offsets and horizontal  
vent length of vent pipe from the flue collar of the fire-  
place to the face of the outer wall.  
#8 Screws (2)  
#8 Screws (2)  
Horizontal plane means no vertical rise exists on this  
portion of the vent assembly.  
#8 Screws  
(2)  
When installing the appliance as a rear  
vent unit the 90° Transition Elbow attached  
directly to the rear of the unit is not in-  
cluded in the following criteria and calcula-  
tions, and unless specifically mentioned  
should be ignored when calculating vent-  
ing layouts.  
Firestop  
Adjustable Zero Clearance Sleeve  
ZCS101  
Fig. 18 Adjustable zero clearance sleeve.  
STEP 3  
Measure the horizontal length requirement for the vent-  
ing including a 2” (51 mm) overlap, i.e. from the elbow  
to the outside wall face plus 2” (51 mm) (or the distance  
required if installing a second 90° elbow. (Fig. 17)  
STEP 4  
Install the 4” (102 mm) vent to the appliance collar and  
secure with three (3) sheetmetal screws. Install the 7”  
(175 mm) vent pipe to the appliance collar and secure  
with three (3) sheet metal screws. It is not necessary to  
seal this connection.  
FP1380  
It is critical that there is no downward  
slope away from the appliance when con-  
necting the vent or elbow.  
Fig. 19 Maximum number of 90· elbows per sidewall.  
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Example: In Fig. 22  
The maximum number of 90° elbows per side wall  
installation is three (3).  
Elbow 1 = 90°  
Elbow 2 = 45°  
Elbow 3 = 45°  
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” (914 mm).  
Elbow 4 = 90°  
Total Angular Variation = 270°  
Max. 36"  
1 + 2 + 3 + 4 = 270o  
(914mm)  
Max. 20"  
(508mm)  
1
2
3
4
1
2
3
4
FP1381  
Fig. 20 Maximum horizontal vent run.  
FP1383  
If a 90° elbow is used in the horizontal vent run  
(level height maintained) the maximum horizontal  
vent length is reduced by 36” (914 mm). (Fig. 21)  
This does not apply if the 90° elbows are used to  
increase or redirect a vertical rise. (Fig. 21)  
Fig. 22 Maximum number of elbows allowed.  
Vertical Sidewall Installation  
STEP 1  
Example: According to the chart the maximum horizon-  
tal vent length in a system with a 7.5’ vertical rise is  
20’ (6 m) and if a 90° is required in the horizontal vent it  
must be reduced to 17’ (5.2 m).  
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. (Fig. 23) For  
combustible walls first frame in opening. (Fig. 23)  
Dimension A plus B must not be greater than 17’  
(5.2m). (Fig. 21)  
Combustible Walls: Cut a 9³⁄₈”H x 9³⁄₈”W (240 x  
240mm) hole through the exterior wall and frame as  
shown in Figure 23.  
90°  
B
A
Noncombustible Walls (Fig. 23): Hole opening must  
be 7¹⁄₂” (190 mm) in diameter.  
Vent Opening for Combustible Wall  
9³⁄₈”  
(240 mm)  
A + B = 17' Max.  
(5.2m)  
7'6"  
(2286mm)  
9³⁄₈”  
(240 mm)  
FP1382  
Fig. 21 Maximum vent run with elbows.  
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.  
Framing Detail  
Opening for Noncombustible Wall  
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 in the vertical part of the vent system.  
7¹⁄₂”  
(190 mm)  
The maximum number of elbow degrees in a system  
is 270°. (Fig. 22)  
VO584-100  
Fig. 23 Locate vent opening on wall.  
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STEP 2  
STEP 5  
Measure wall thickness and cut zero clearance sleeve  
parts to proper length (MAXIMUM 12”/305 mm). As-  
semble sleeve and attach to firestop with #8 sheet  
metal screws (supplied). Install firestop assembly. (Fig.  
24)  
Measure the horizontal length requirement including a  
2” (51 mm) overlap, i.e. from the elbow to the outside  
wall face plus 2” (51 mm) (or the distance required if  
installing a second 90° elbow. (Fig. 26)  
Always install horizontal venting on a level  
plane.  
Zero clearance sleeve is only required for  
combustible walls.  
STEP 6  
Use appropriate length of pipe sections - telescopic or  
fixed and install. The section which goes through the  
wall is packaged with the starter kit, and can be cut to  
suit if necessary.  
Adjustable Zero  
Clearance Sleeve  
Max. Length 12”  
(305mm)  
#8 Screws (2)  
Sealing vent pipe and firestop gaps with high tem-  
perature sealant will restrict cold air being drawn in  
around fireplace.  
#8 Screws (2)  
#8 Screws  
(2)  
Firestop  
X
Adjustable Zero Clearance Sleeve  
ZCS101  
Fig. 24 Adjustable zero clearance sleeve.  
STEP 3  
X
Place fireplace into position. (Fig. 25) Measure the ver-  
tical height (X) required from the base of the flue collars  
to the center of the wall opening.  
X
X
FP1385  
Fig. 26 Horizontal length requirement.  
STEP 7  
Apply high temperature sealant to 4” (100mm) and 7”  
(175mm) collars or the termination one inch away from  
crimped end. Guide the vent terminations 4” and 7” col-  
lars into their respective vent pipes. Double check that  
the vent pipes overlap the collars by 2” (50mm). Secure  
the termination to the wall with screws provided and  
caulk around the wall plate to weatherproof.  
FP1384  
Fig. 25 Vertical height requirements.  
STEP 4  
Support the horizontal pipes every 36” (914mm)  
with metal pipe straps.  
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 secure joints as described in “Connecting Vent  
Pipes”.  
Check the fireplace to make sure that it is levelled  
and properly positioned.  
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DVRTSB Bay Window Fireplace  
Do not back fill around snorkel.  
Below Grade Installation  
A clearance of at least 4” (100mm) must  
be maintained between the snorkel and the  
soil.  
When it is not possible to meet the required vent ter-  
minal clearances of 12” (305 mm) above grade level a  
starter kit is recommended. It allows installation depth  
of down to 7” (178 mm) below grade level. The 7”  
(178mm) is measured from the center of the horizontal  
vent pipe as it penetrates through the wall.  
If the foundation  
is recessed, use  
recess brackets  
(not supplied) for  
securing lower  
Snorkel  
If venting system is installed below ground, we recom-  
mend a window well with adequate and proper drain-  
age.  
Foundation  
Recess  
portion of the  
Wall  
Screws  
snorkel. Fasten  
brackets to wall  
first, then secure  
to snorkel with self  
drilling #8 x 1/2  
sheetmetal screws.  
It will be necessary  
to extend vent  
Water-  
tight Seal  
Around  
Pipe  
Ensure sidewall venting clearances are observed.  
If installing a snorkel, a minimum 24” (610mm) vertical  
rise is necessary. The maximum horizontal run with the  
24” (610mm) vertical pipe is 36” (914mm). The meas-  
urement is taken from the collar of the fireplace (or tran-  
sition elbow) to the face of the exterior wall. See Vent  
Chart (see ‘How to use the Vent Graph’) for extended  
horizontal runs if the vertical exceeds 24” (610mm).  
Sheet Metal  
Screws  
CFM139  
Fig. 28 Snorkel installatin, recessed  
foundation.  
pipes out as far as  
protruding wall face. (Fig. 28)  
1. Establish vent hole through the wall. (Fig. 23)  
Vertical Through-the-Roof Applications  
This Gas Fireplace has been approved for:  
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 ap-  
proximately 4” (100mm) below snorkel. (Fig. 27)  
Vertical installations up to 40’ (12 m) in height. Up to  
a 10’ (3 m) horizontal vent run can be installed  
within the vent system using a maximum of two 90°  
elbows. (Fig. 29 & 30)  
Up to two (2) 45° elbows may be used within the  
horizontal run. For each 45° elbow used on the  
horizontal level the maximum horizontal length must  
be reduced by 18” (457 mm).  
3. Install vent system.  
4. Ensure a watertight seal is made around the vent  
pipe coming through the wall.  
5. Apply high temperature sealant caulking (supplied)  
around the 4” and 7” snorkel collars.  
6. Slide the snorkel into the vent pipes and secure to  
the wall.  
Example: Maximum horizontal length  
0 x 45° elbows = 10’ (3 m)  
7. Level the soil so as to maintain a 4” (100mm) clear-  
ance below snorkel. (Fig. 27)  
1 x 45° elbows = 8.5’ (2.6 m)  
2 x 45° elbows = 7’ (2.1 m)  
A minimum of an 8’ (2.4 m) vertical rise.  
A maximum of two (2) sets of 45° elbow offsets can  
be used within these vertical installation. From 0 to  
a maximum of 8’ of vent pipe can be used between  
elbows. (Fig. 30)  
Zero Clearance  
Sleeve if Required  
7DVSKS  
(Snorkel)  
Firestop  
7” Pipe  
Screws  
Minimum 4” Clearance  
Ground  
7DVCS supports offsets. (Fig. 32) This application  
will require that you first determine the roof pitch  
and use the appropriate starter kit. (See Venting  
Components List)  
Window Well  
Gravel  
24” (610mm)  
Minimum  
Drain  
The maximum angular variation allowed in the  
system is 270˚. (Fig. 30)  
Foundation Wall  
• A minimum of 24” (610mm) vertical  
pipe must be installed when using  
the 7DVSKS/7TDVSKS kit.  
• The 22” vertical rise (center to cen-  
ter) of the snorkel may be included  
for calculation of max. horizontal  
run.  
FP1386  
Fig. 27 Below grade installation.  
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Min.  
2' (610 mm)  
Max. Height 40' (12.2m)  
Min. Height 8' (2.4m)  
Max. 10' (3m)  
FP1389  
Support straps  
every 36" (914mm)  
Fig. 31 Minimum termination to roof clearance.  
Vertical Through-The-Roof Installation  
1. Locate your fireplace.  
2. Plumb to center of the (4”) flue collar from ceiling  
above and mark position.  
Max. 10' (3m)  
Max.  
Height 40' (12.2m)  
3. Cut opening equal to 9³⁄₈” x 9³⁄₈” (240 x 240 mm).  
4. Proceed to plumb for additional openings through  
the roof. In all cases, the opening must provide a  
minimum of 1” (25 mm) clearance to the vent pipe,  
i.e., the hole must be at least 9³⁄₈” x 9³⁄₈” (240 x  
240mm).  
Min.  
Height 8' (2.4 m)  
5. Place fireplace into position.  
6. Place firestop(s) #7DVFS or Attic Insulation Shield  
#7DVAIS into position and secure. (Fig. 34)  
FP1387  
7. Install roof support (Fig. 32) and roof flashing making  
sure upper flange is below the shingles. (Fig. 33)  
Fig. 29 Support for horizontal runs.  
8. Install appropriate pipe sections until the venting is  
above the flashing. (Fig. 33)  
1 + 2 + 3 + 4 = 270o  
9. Install storm collar and seal around the pipe. (Fig.  
33)  
10. Add additional vent lengths for proper height. (Fig.  
31)  
1
1
2
2
3
3
4
4
The enlarged ends of the vent section always  
face downward.  
11. Apply high temperature sealant to 4” and 7” collars  
of vertical vent termination and install.  
FP1389  
Fig. 30 Maximum elbow usage.  
The minimum height of the vent above the highest  
point of penetration through the foof is 24” (610 mm)  
(Fig. 31)  
Typical Roof Sup-  
port Application  
Typical Ceiling Sup-  
port Application  
FP1184  
Fig. 32 Venting supports.  
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DVRTSB Bay Window Fireplace  
Attic Insulation  
Shield  
3 #5 Sheet Metal  
Screws per Joint  
Storm Collar  
Sealant  
Upper Floor  
11”  
(279mm)  
11”  
(279mm)  
TWL101a  
Fig. 33 Roof flashing.  
Joist  
If there is a room above ceiling level,  
firestop spacer must be installed on both  
the bottom and the top side of the ceiling  
joists. (Fig. 34) If an attic is above ceiling  
level a 7DVAIS (Attic Insulation Shield)  
must be installed.  
Firestop Spacer  
Nails (4)  
FP1029  
Fig. 34 Attic insulation shield and firestop spacer installation.  
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DVRTSB Bay Window Fireplace  
Twist Lock Venting Components  
Starter Kit-Model 7TDVSK-Sidewall/Rearwall 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  
for Below Grade Installation  
45˚ Elbow  
7TDV45 for Rear Vent to Vertical Vent  
or Vertical/Horizontal Offsets  
90˚ Transition Elbow  
7TDVRT90 for Rear Vent to Vertical Vent  
90° Elbow  
7TDV90 Vertical/Horizontal Offset  
Telescopic vent sections  
7TDVP1218  
7TDVP3564  
-12” to 18” adjustible length  
-35” to 64” adjustible 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  
7TBSG 7”T.L. DVRTSB  
Termination Screen Guard Kit  
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DVRTSB Bay Window Fireplace  
Operating Instructions  
6. Tilt the lower edge of frame out slightly and lift  
glass/frame assembly up and away from the  
fireplace. (Fig. 36)  
Glass Information  
Only glass approved by CFM Corporation should be  
used on this fireplace.  
The use of any non-approved replacement glass  
will void all product warranties.  
7. To reinstall the glass panel reverse this procedure.  
Care must be taken to avoid breakage of the glass.  
Under no circumstances should this appliance be  
operated without the front glass in place, or with the  
glass in a damaged condition.  
Replacement glass (complete with gasket) is  
available through your Majestic Fireplaces dealer  
and should only be installed by a licensed qualified  
service person.  
Lower Clamps  
Louvre Removal  
The top side and top end louvres are removed by  
simply lifting the louvre assembly and pulling the  
assembly away from the fireplace. (Fig. 35)  
Window  
Frame  
The lower side louvres are hinged along the lower  
edge and are folded down for access to components  
in the base cavity of the fireplace.  
Window  
Pull Clamp  
Hook  
Frame  
Push  
Clamp  
Handle  
FP1391  
The lower end louvre assemblies on the DVRTSB  
unit are removed in the same manner as the top  
louvre assemblies.  
Fig. 36 Remove glass/frame assembly.  
Side Glass Frame  
1. Remove the top and bottom louvre assemblies.  
2. Remove the lower window trim (held in place  
with magnets).  
2.  
3. Remove both lower retaining screws. Access to  
these screws is gained through the holes along the  
lower edge of the frame behind the trim. (Fig. 37)  
Louvre  
1.  
4. Tilt lower edge of frame out slightly and lift glass/  
frame assembly up and away from the fireplace.  
5. To reinstall the glass panel reverse the process.  
Glass Panel  
FP1390  
Fig. 35 Louvre removal.  
Glass/Frame Removal  
Front Glass Frame  
1. Shut off the gas supply.  
2. Allow the fireplace to cool if it has been in operation.  
3. Remove the top louvre assembly.  
4. Lower the bottom louvre assembly.  
5. Release the two clamps along lower edge of the  
frame by pulling down on clamp handles. (Fig. 36)  
Location of Lower  
Retaining Screws  
FP1392  
Fig. 37 Remove end glass.  
21  
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DVRTSB Bay Window Fireplace  
Glass Cleaning  
Installation of Logs  
It is necessary to periodically clean glass. During start-  
up condensation, which is normal, forms on the inside  
of the glass. This condensation causes lint, dust and  
other airborne particles to cling to glass surface.  
The logs can be identified by the number cast into  
their underside.  
The logs must be correctly placed in the order  
described for the correct operation of the fireplace.  
Also initial paint curing may deposit a slight film on the  
glass. It is therefore recommended glass be cleaned  
two or three times with a non-ammonia based house-  
hold cleaner and warm water (We recommend gas  
fireplace glass cleaner) within the first few weeks of  
operation.  
Refer to Figures 30 & 40 for log location and alignment.  
1. Unpack the logs from the shipping carton. Handle  
the logs carefully as they are fragile.  
Handle and dispose of the plastic bags in a  
safe manner. They are not toys and should  
be kept away from infants.  
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.  
2. Remove front glass/frame assembly.  
3. Place the left rear (B105) and right rear (B106)  
logs in place on the grate. The square hole in the  
underside of the logs locates over the corner legs  
of the grate. The inner ends of the log point to the  
center of the burner.  
Clean the glass after the first two weeks of  
operation.  
Ceramic Refractory Installation  
4. Place the left front (B107) and right front (B108) logs  
in place. Again the square holes fit over the corner  
legs of the grate. The inner ends of these logs have  
a recess in the underside which locates over knobs  
on the top of the B105 and B106 logs to lock the  
inner end in place.  
The rear wall refractory panels are installed in the unit  
prior to shipment.  
1. Unpack the ceramic refractory panels from their  
carton.  
5. Place the center front (B109) log in place. The notch  
on the outer end of this log locates around the third  
outer prong on the grate and the inner ends with a  
round recess rest on lug on top of the left front log  
(B107).  
Handle the refractory material carefully, the  
panels are fragile.  
2. Place the front floor refractory panels on the base  
of the fireplace. (Fig. 38)  
6. Place the center rear (B110) log in place. The square  
hole in the underside of this log, locates over the  
rear center bar of the grate. The inner end of the log  
having a rectangular recess rests on the rectangular  
knob on the end of the left front log, (B107).  
3. Place both side panels in place along the side of  
the base. (Fig. 38)  
B110  
B105  
B106  
B107  
B108  
FP1393  
B109  
Fig. 38 DVRTSB ceramic panels.  
LG298  
Fig. 39 DVRTSB logs.  
10003848  
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DVRTSB Bay Window Fireplace  
Lava Rock & Ember Material  
Your log set contains two types of  
“Lava Rocks”.  
The placement of this material is  
best done after the logs have been  
installed.  
Ceramic Ember Rocks (Pt. # 57897)  
Remove these ‘rocks’ from the  
packaging and spread them over the  
burner tiles in a random fashion to  
fill up the spaces between the logs.  
(Fig. 40) Only place ceramic embers  
in areas shown in Figure 40.  
Lava Rock (Pt.# 10001454)  
Remove this material from the  
LG299  
Ceramic Ember Rock Location  
packaging and spread it over the  
ceramic floor panels outside the  
log stack. DO NOT PLACE THIS  
MATERIAL ON THE BURNER TILES.  
Fig. 40 Location of log cradle prongs in relation to assembled logs.  
Flame Characteristics  
Flame & Temperature Adjustment  
It is important to periodically perform a visual check of  
the pilot and burner flames. Compare to the illustrations  
below. (Figs. 43 & 44) If the flame patterns appear  
abnormal contact a qualified service provider for service  
and adjustment.  
RN/RP Models  
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. (Figs. 41 & 42)  
3/8" - 1/2"  
Turn  
counterclockwise  
to decrease  
Turn clockwise  
to increase  
flame height  
flame height  
Fig. 41 Flame adjustment knob for Honeywell valve.  
SIT Pilot  
PSE Pilot  
FP1394  
Turn  
counterclockwise  
to increase  
Fig. 43 Correct pilot flame appearance.  
Turn clockwise  
to decrease  
flame height  
flame height  
Fig. 42 Flame adjustment knob for SIT valve.  
LG300  
Fig. 44 Correct burner flame appearance.  
23  
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DVRTSB Bay Window Fireplace  
Lighting and 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 which must be lit manu-  
ally. When lighting the pilot follow these instruc-  
tions exactly.  
instructions.  
If you cannot reach your gas supplier, call  
the Fire Department  
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.  
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.  
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  
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.  
Immediately call your gas supplier from a  
neighbor’s phone. Follow the gas supplier’s  
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 ignitor 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  
PILOT  
2
O
Honeywell  
Euro SIT  
SIT NOVA  
If knob does not pop up when released, stop  
and immediately call your service technician or  
gas supplier.  
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 infor-  
mation above. If you do not smell gas, go to the  
next step.  
7. Remove glass door before lighting pilot. (Refer  
to Glass Frame Removal section).  
8. Visibly locate pilot by the main burner.  
9. Turn knob on gas control counterclockwise  
to “PILOT”.  
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.  
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  
1. Turn the On/Off switch to Off position or set the  
thermostat to lowest setting.  
3. Open control access panel.  
4. Push in gas control knob slightly and turn clock-  
2. Turn off all electric power to the fireplace if  
service is to be performed.  
wise  
to “OFF”. Do not force.  
5. Close control access panel.  
10003848  
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DVRTSB Bay Window Fireplace  
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-should be  
1/8” 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 thermo  
couple/thermopile. Note: this pilot burner assem  
bly 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;  
milivolt 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 accross 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 valveterminals 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.  
B. Possible blockage of the vent  
terminal.  
Clean and/or adjust pilot flame for maximum flame  
impingement on thermopile and thermocouple.  
Check the vent terminal for blockage (recycling the  
flue gases)  
25  
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DVRTSB Bay Window Fireplace  
Troubleshooting the Gas Control System  
Honeywell Millivolt Valve  
WARNING: Before doing any gas control service work, remove glass front.  
START  
CHECK  
NO  
Supply Line Hooked Up  
Shutoff Valve Open  
Gas Supply On  
YES  
Lockout Has Engaged. Wait 60  
Seconds And Try Again.  
For Spark At Electrode While  
Depressing Piezo  
Pilot Lights With Piezo  
Ignitor  
NO  
1/8" Gap To Pilot Hood Needed.  
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  
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  
Defective Valve. Turn To Pilot,  
Meter Should Read Greater Than  
100mv. If Not, Replace.  
YES  
System OK  
10003848  
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DVRTSB Bay Window Fireplace  
b. Unscrew the exposed conversion screw.  
Fuel Conversion Instructions  
c. Insert the new color coded conversion screw. Do  
not over-tighten the screw, it must be fingertight.  
The conversion of this appliance from one  
gas to another must be carried out by a  
qualified service technician.  
d. Refit the regulator cap.  
e. Mount conversion label supplied with conversion  
screw to valve in a visible position.  
1. Disconnect power to unit and shut off the gas supply.  
2. Remove the glass (Refer to “Glass Removal” Sec-  
tion.)  
A
E
3. Carefully remove the logs & lava rock material.  
B
4. Remove the screws that are holding the burner  
housing in place.  
5. Remove the burner housing. On this model you may  
need to loosen the pilot bracket retaining screw/nut  
and tilt pilot and bracket assembly to gain sufficient  
clearance to remove the burner housing.  
C
6. Remove front and rear orifice and replace with ori-  
fice supplied in the conversion kit.  
D
7. 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 size 5/32” Allen key unscrew the exposed  
orifice. Insert the new orifice supplied in the kit, do  
not over tighten the orifice. Replace the pilot hood  
ensuring the index tab aligns with the notch on the  
hood.  
F
FC107  
FC108  
Fig. 45 NOVA SIT820 gas valve.  
9. Reassemble  
PSE Pilot  
fireplace in  
Regulator Cap  
Conversion  
Using a suitable wrench on 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 over-tighten the pilot hood.  
The hood must return to its original alignment. Take  
care not to damage the thermocouple, thermopile or  
igniter.  
the reverse  
order, except  
for front  
glass. Leave  
this off until  
after unit  
has been  
checked for  
leaks and  
the gas sup-  
ply has been  
bled.  
Screw  
Pressure  
Regulator  
Housing  
8. SIT 820 NOVA Gas Control Valve (Fig. 11)  
a) Using a Torx T20 or slotted screwdriver, remove  
and save three pressure regulator mounting screws  
(A), pressure regulator tower (B) and diaphram (C).  
HV102  
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)  
10. After bleed-  
ing gas line  
Fig. 46 Honeywell gas valve.  
and check-  
ing for leaks with a soap solution, replace the front  
glass. Fire up the unit, check for flame impingment  
on logs, adjusting them if necessary. Check manifold  
and supply pressures. Make sure screws are tight-  
ened after checking pressure.  
c) Install the enclosed identification label (F) to the  
valve body where it can be easily seen.  
Honeywell Gas Control Valve (Fig. 12)  
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 en-  
sure correct parts are used.  
The Honeywell valve fitted to this unit is suitable for  
use with LP or Natural Gas. It is converted to re-  
quired gas application by the installation of a color  
coded “conversion screw”.  
a. Using a suitable small screw-driver lift out the  
central regulator cap from the “HI/LO” knob on the  
valve.  
27  
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DVRTSB Bay Window Fireplace  
Maintenance  
To obtain proper operation, it is imperative that the pilot  
Burner and Burner Compartment  
and burner’s flame characteristics are steady, not lifting  
or floating.  
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.  
Typically, the top 3/8” or 1/2” of the thermopile should  
be engulfed in the pilot flame. (Fig. 47)  
To adjust pilot burner; (by qualified service technician)  
1. Remove pilot adjustment cap.  
Always handle the logs with care as they  
are fragile and may also be hot if the  
fireplace has been in use.  
2. Adjust pilot screw to provide properly sized flame.  
3. Replace pilot adjustment cap.  
The primary air shutter is set at factory and should only  
be adjusted, if necessary, by a qualified service techni-  
cian.  
FK24/FK12 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 build up of dust or lint.  
3/8" - 1/2"  
Brass Trim  
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.  
SIT Pilot  
PSE Pilot  
Cleaning the Standing  
Pilot Control System  
FP1394  
Fig. 47 Correct pilot flame appearance.  
The burner and control system consists of  
burner tube  
pilot assembly  
millivolt gas valve  
gas orifice  
thermopile  
Most of these components may require only an oc-  
casional checkup and cleaning and some may require  
adjustment. If repair is necessary, it should be per-  
formed by a qualified technician.  
Logs May Be HOT!!  
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)  
4. Remove logs.  
5. Vacuum burner compartment especially around  
orifice primary air openings.  
6. Visually inspect pilot. Brush or blow away any dust  
or lint accumulation.  
7. Reinstall logs.  
8. Ignite pilot - Refer to Lighting Instructions.  
9. Reinstall window frame assembly.  
10003848  
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DVRTSB Bay Window Fireplace  
21  
1
9a,b  
f
b
19  
a
21  
12  
d
20  
5
4
c
e
10a,b  
1
27  
23  
22  
OFF  
L
I
PILT  
O
H
25a,b  
28  
33  
24  
26a,b  
40  
46  
48  
38  
36  
47  
63  
62  
41  
51  
63  
49  
50  
52  
39  
37  
42  
CFM Corporation reserves the right to make changes in design, materials, specifications, prices and discontinue colors and products at any time,  
without notice.  
DVRTSB  
Ref. Description  
DVRTSB  
10003855  
B105  
1. Log Set (Complete)  
1a. Log - Rear Left  
1b. Log - Rear Right  
1c. Log - Front Left  
1d. Log - Front Right  
B106  
B107  
B108  
29  
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DVRTSB Bay Window Fireplace  
DVRTSB (continued)  
Ref. Description  
DVRTSB  
1e. Log - Front Center  
B109  
1f. Log - Rear Center  
B110  
2. Lava Rock Package (not shown)  
3. Ceramic Lava Rock Package (not shown)  
4. Grate Assembly, Black  
10001454  
57897  
10003850  
5. Burner Housing Assembly w/Tiles  
6. Ceramic Tile (not shown)  
10003871  
10002165  
7a. Orifice, Rear Burner - Nat. (not shown)  
7b. Orifice, Rear Burner - Prop. (not shown)  
8a. Orifice, Front Burner - Nat. (not shown)  
8b. Orifice, Front Burner - Prop. (not shown)  
9a. Pilot Assembly PSE - Nat.  
Refer to the rating plate for specific orifice information  
Refer to the rating plate for specific orifice information  
Refer to the rating plate for specific orifice information  
Refer to the rating plate for specific orifice information  
10001741  
10001742  
10002264  
10002265  
10002266  
10002385  
10003279  
10001296  
10001822  
10001823  
10002268  
10002269  
10002492  
20002500  
10001828  
53373  
9b. Pilot Assembly PSE - Prop.  
10a. Pilot Assembly SIT Top Convertible - Nat.  
10b. Pilot Assembly SIT Top convertible - Prop.  
11. Pilot SIT Top Convertible  
12. Pilot Hood, SIT Top Convertible  
13. Pilot Tube w/Fitting, PSE (not shown)  
14. Pilot Tube w/Fitting, SIT (not shown)  
15a. Orifice, Pilot PSE - Nat. (not shown)  
15b. Orifice, Pilot PSE - Prop. (not shown)  
16a. Orifice, Pilot Top Convertible - Nat. (not shown)  
16b. Orifice, PIlot Top Convertible - Prop. (not shown)  
17. Manifold Tube and Fittings (not shown)  
18. Flexible Gas Line (18”) w/Fittings (not shown)  
19. Thermocouple, PSE  
20. Thermocouple, SIT Top Convertible  
21. Thermopile  
51827  
22. Ignitor Electrode (with Cable), SIT  
23. Ignitor (Piezo), SIT 820 Valve  
10001297  
52464  
24. Ignitor (Piezo), Honeywell Valve  
25a. Valve, SIT 820 - Nat.  
20000062  
52677  
25b. Valve, SIT 820 - Prop.  
52678  
26a. Valve, Honeywell - Nat.  
26b. Valve, Honeywell - Prop.  
10001782  
10001759  
ZA1110  
54103  
51704  
51738  
51882  
51865  
27. Fan & Bracket FK12 (Optional)  
28. Fan & Bracket FK24 (Optional)  
29. Temperature Sensor (Optional) (not shown)  
30. Fan Speed Control (Optional) (not shown)  
31. Fan Speed Control Knob (Optional) (not shown)  
32. Electrical Cord (not shown)  
33. Remote ON/OFF Switch (RN/RP Models)  
34. Wiring Harness (Remote Switch) (not shown)  
51842  
55923  
35. Remote ON/OFF Switch Kit (Includes Bracket) (not shown)  
36. Louvre Assembly, Side Top  
37. Louvre Assembly, Side Bottom  
53875  
10003867  
10003868  
10000037  
38. Louvre Assembly, Front Top  
10003848  
30  
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DVRTSB Bay Window Fireplace  
DVRTSB (continued)  
Ref. Description  
DVRTSB  
10003880  
52356  
10003859  
10003843  
10003860  
55686  
39. Louvre Assembly, Front Bottom  
40. Hinge, Lower Louvre Assembly  
41. Window Frame Assembly Side  
42. Window Frame Assembly Front  
43. Window Glass (Complete with Gasket), Side (not shown)  
44. Window Glass (Complete with Gasket), Front (not shown)  
45. Gasket Glass (not shown)  
57317  
46. Window Frame Clamp  
54174  
47. Refractory Lining (Rear Wall Left)  
48. Refractory Lining (Rear Wall Right)  
49. Refractory Lining (Floor Left)  
50. Refractory Lining (Floor Right)  
51. Refractory Lining (Floor Front)  
52. CR Floor Kit w/o Rear  
53. Air Inlet Cover Plate Assembly (not shown)  
54. Air Inlet Plate Gasket (not shown)  
55. Flue Pipe Plate Assembly (not shown)  
56. Flue Pipe Plate Gasket (not shown)  
57. Flue Cover Plate (not shown)  
58. Flue Cover Plate Gasket (not shown)  
59. Relief Plate (w/Gasket) (not shown)  
60. Deflector, Cabinet Top Front (not shown)  
61. Deflector, Cabinet Top Side (not shown)  
62. Trim Window Top/Bottom  
10003887  
10003888  
10003890  
10003891  
10003892  
10003889  
10002766  
10002449  
10002509  
10002237  
10002298  
10002233  
10002543  
10002260  
10003869  
54129-PB  
10003234  
63. Trim Window Side  
31  
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DVRTSB Bay Window Fireplace  
Optional Accessories  
Fan Kits  
Electrical Inlets  
Holes  
FK24 Fan  
FK24 Fan Assembly  
Electrical Box  
(EB-1)  
This auxiliary fan system increases the efficiency of the  
circulation of the heating air.  
The FK24 fan kit allows variable speed control of the  
circulation fan and also incorporates a heat sensor in  
the circuit.  
Specifications  
Heat Sensor  
115 Volt / 60Hz / 56 Watts  
Maintenance  
The fan itself does not require regular maintenance,  
however periodic cleaning of the fan and the  
surrounding area is required.  
Fan Speed Control  
Box  
FP1395  
Check the area under the control door (lower louvre  
assembly) and in front of the fan and wipe or vacuum  
this area at least once a month during the operating  
season.  
Fig. 48 FK24 fan location.  
FK12  
This auxiliary fan system increases the efficiency of the  
circulation of the heating air.  
Installation  
The fan assembly and other components are supplied  
fully wired eliminating the need for a licensed electrician  
to carry out the installation.  
The FK12 Fan Assembly is a fixed speed fan system  
and does not allow for variable speed control. It does  
not use the speed control unit or the heat sensor used  
in the FK24 Kit.  
If hard wiring the fan in using Method B (following) we  
strongly recommend the use of a licensed electrician.  
Specifications  
115 Volts / 60 Hz / 56 Watts.  
Maintenance  
1. Open the lower louvre assembly. Maneuver the fan  
& bracket assembly around the gas valve and lines  
to locate the unit onto the screw studs on the back  
of the fireplace.  
The fan itself does not require regular maintenance,  
however periodic cleaning of the fan and the  
surrounding area is required.  
2. Install the thermal sensor under the bottom of the of  
the firebox, locating it over the two 10mm studs and  
secure it with nuts.  
Check the area under the control door (lower louvre  
assembly) and in front of the fan and wipe or vacuum  
this area at least once a month during the operating  
season.  
3. Locate the fan speed control unit. This can be fitted  
behind the lower louvre assembly as in Figure 48  
or located remotely in a conveniently located wall  
mounted electrical box. Remote location of the  
speed control will require suitable extension of the  
component wiring.  
Installation  
The fan assembly is supplied fully wired eliminating  
the need for a licensed electrician to carry out the  
installation.  
4. The power supply may be connected in two ways:  
Method A  
1. Open the lower Louvre assembly. Maneuver the  
fan & bracket assembly around the gas valve and  
Route the 6’ lead fitted to the unit to a conveniently  
located wall socket.  
lines  
to locate the unit against the back wall  
of the appliance, resting on the base.  
Method B  
2. With the protective cover removed from the self-  
adhesive ‘Velcro’ strips apply mild pressure to the  
fan & bracket unit to secure the strips to the metal  
panels. No further securing is required.  
The EB-I receptacle box (Pt. # ZA1200) may be hard  
wired into the house supply. The fan lead is then  
plugged into the EB-I box.  
3. Power to the fan can be supplied by plugging the  
supplied lead into a conveniently located wall socket  
or by using a hard-wired EB-I connector box.  
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DVRTSB Bay Window Fireplace  
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 Electric Code.  
Remote Controls  
Optional remote control units are available to control  
different functions of the appliance.  
Model Function/s Controlled  
For USA installations follow the local  
codes and the national electrical code  
ANSI/NFPA No. 70.  
RC1  
RC2  
ON/OFF  
ON/OFF and Temperature  
IMTFK Wall mounted thermostat control.  
Should this fan require servicing or repair  
the power supply must be disconnected.  
For rewiring of any replacement parts refer  
to Figure 49.  
Any electrical re-wiring of this fan must be  
done by a licensed electrician.  
Fan  
Temperature  
Sensor  
Speed Con-  
trol  
Black  
White  
Ground  
FP1025  
Fig. 49 FK24 fan wiring.  
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DVRTSB Bay Window Fireplace  
10003848  
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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 brand gas fireplaces equipped with  
an Insta-Flame Ceramic Burner, or standard steel tube burner.  
BASIC WARRANTY  
The CFM Corporation Company (hereinafter referred to collectively as  
the Company) warrants that your new Vermont Castings 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.  
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.  
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  
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  
The company may, at its discretion, fully discharge all obligations  
with respect to this warranty by refunding the wholesale price of the  
defective part(s)  
Any installation, labor, construction, transportation, or other related  
costs/expenses arising from defective part(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  
LIMITATIONS OF INCIDENTALAND CONSEQUENTIAL DAMAGES  
OR LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY  
LASTS, SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOUR  
CIRCUMSTANCES. THIS WARRANTY GIVES YOU SPECIFIC  
RIGHTSANDYOUMAYHAVEOTHERRIGHTSWHICHVARYFROM  
STATE TO STATE.  
Note:OnporcelainenamelnishedexternalpartsandaccessoriesThe  
Company offers no Warranty on chipping of enamel surfaces. Inspect  
all product prior to accepting it for any damage to the enamel.  
Thesaltairenvironmentofcoastalareasorahighhumidityenvironment  
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.  
All other warranties-expressed or implied- with respect to the product,  
its components and accessories, or any obligations/liabilities on the  
part of the Company are hereby expressly excluded.  
Dyelotvariationswithreplacementpartsand/oraccessoriescanoccur  
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.  
Thewarrantiesasoutlinedwithinthisdocumentdonotapplytochimney  
componentsorothernonVermontCastings,Majesticaccessoriesused  
in conjunction with the installation of this product..  
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.  
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).  
GAS VALVES: Gas valves are covered for a period of one year  
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.  
The Company will not be responsible for:  
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.  
ACCESSORIES: Unless otherwise noted all components and CFM  
Corporation company supplied accessories are covered for a period of  
one year.  
This warranty is void if:  
CONDITIONS AND LIMITATIONS  
a) The fireplace has been operated in atmospheres contaminated by  
chlorine, fluorine, or other damaging chemicals.  
b) Thereplacehasbeensubjectedtoprolongedperiodsofdampness  
or condensation  
c) Anydamagestothereplace,combustionchamber,heatexchanger  
orothercomponentsduetowater, orweatherdamage, whichisthe  
result of but not limited to, improper chimney/venting installation.  
d) Any alteration, willful abuse, accident, or misuse of the product  
This new Vermont Castings or Majestic product must be installed by  
a competent, authorized, service contractor. A licensed technician, as  
prescribedbythelocaljurisdictionmustperformanyinstallation/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.  
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.  
has occurred.  
IF WARRANTY SERVICE IS NEEDED…  
1) Contactyoursupplier. Makesureyouhaveyourwarranty, your  
sales receipt, and the model/serial number of your Vermont  
Castings, Majestic product.  
The customer must pay for anyAuthorized Dealer in-home travel fees  
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.  
2) DO NOT ATTEMPT TO DO ANY SERVICE WORK  
Ifuponinspection,thedamageisfoundtobethefaultofthemanufacturer,  
repairs will be authorized at no charge to the customer parts and/or  
labor.  
YOURSELF.  
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Efficiency Ratings  
Model  
EnerGuide Ratings  
Steady State (%)  
D.O.E.  
Fireplace Efficiency (%) Fan-OFF  
Fan-ON  
82  
(AFUE%)  
DVRTSB RN  
DVRTSB RP  
DVRTSB RFN  
DVRTSB RFP  
DVRTSB EN  
DVRTSB EP  
58.4  
58.4  
58.4  
58.4  
60.4  
60.4  
81  
82  
81  
82  
81  
82  
64  
64  
64  
64  
64  
64  
83  
82  
83  
82  
83  
CFM Corporation  
410 Admiral Blvd. • Mississauga, Ontario, Canada L5T 2N6  
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