PREMIUM AGED SPLIT OAK
AND YELLOW FLAME UNVENTED (VENT-FREE)
PROPANE/LP GAS LOG HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
Remote Control
Operation Requires
Two (2) 9-Volt Alkaline
Batteries Not Included
CGD3924PR
CGB3924PR
CGB3930PR
24" and 30" Remote
REMOTE
OFF
Controlled Models
®
(Yellow Flame Model Shown)
WARNING:Improperinstallation,adjust-
WARNING:Iftheinformationinthismanual
ment,alteration,service,ormaintenance
is not followed exactly, a fire or explosion
can cause injury or property damage.
Refer to this manual for correct installa-
tion and operational procedures. For
assistanceoradditionalinformationcon-
sultaqualifiedinstaller, serviceagency,
or the gas supplier.
may result causing property damage, per-
sonal injury, or loss of life.
— Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
WARNING: This appliance is for instal-
lation only in a solid-fuel burning ma-
sonry or UL127 factory-built fireplace,
or in an approved ventless firebox. It is
design certified for these installations
in accordance with ANSI Z21.11.2.
Exception: Do not install this appliance
in a factory-built fireplace that includes
instructions stating it has not been
tested or should not be used with
unvented gas logs.
• Do not touch any electrical 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.
• If you cannot reach your gas supplier, call
the fire department.
— Installation and service must be per-
formed by a qualified installer, service
agency, or the gas supplier.
WARNING: This is an unvented gas-fired heater. It uses air (oxygen) from the room in
which it is installed. Provisions for adequate combustion and ventilation air must be
provided. Refer to Air for Combustion and Ventilation section on page 4 of this manual.
This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohibited by
state or local codes.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
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.
Save this manual for future reference.
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OWNER’S MANUAL
PRODUCT
PRODUCT
FEATURES
IDENTIFICATION
Operation
Crossover Log
Front Log
Back
Log
This heater is clean burning. It requires no
outside venting. There is no heat loss out a
vent or up a chimney. Heat is generated by
realisticdancing,yellowflames.Thisheater
is designed for vent-free operation with flue
damper closed. State and local codes in
some areas prohibit the use of vent-free
heaters.
Safety Pilot
Remote
Control
Burner
This heater has a pilot with an Oxygen
Depletion Sensor Shutoff System (ODS).
TheODS/pilotisarequiredfeatureforvent-
free room heaters. The ODS/pilot shuts off
the heater if there is not enough fresh air.
HI
MAN
TEMP
LO
AUT
O
ON
OFF
S
TAT
U
S
Middle Log
Remote
Selector
Switch
Piezo
Ignitor
Piezo Ignition System
Flame
Adjustment
Knob
Base Grate
This heater has a piezo ignitor. This system
requires no matches, batteries, or other
sources to light heater.
Control Knob
Figure 1 - Vent-Free Gas Log Heater (Logs May Vary By Model)
LOCAL CODES
UNPACKING
1. Remove logs and heater base assem-
bly from carton. Note: Do not pick up
heater base assembly by burners. This
could damage heater. Always handle
base assembly by grate.
Install and use heater with care. Follow all
localcodes.Intheabsenceoflocalcodes,use
the latest edition of The National Fuel Gas
Code ANSI Z223, also known as NFPA 54*.
*Available from:
2. Remove all protective packaging ap-
plied to logs and heater for shipment.
American National Standards Institute, Inc.
1430 Broadway
3. Check all items for any shipping dam-
age. If damaged, promptly inform
dealer where you bought heater.
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
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CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
Unusually Tight Construction
Confined Space and Unconfined
Space
AIR FOR
The air that leaks around doors and win-
dows may provide enough fresh air for
combustion and ventilation. However, in
buildings of unusually tight construction,
you must provide additional fresh air.
COMBUSTION AND
VENTILATION
TheNationalFuelGasCode(ANSIZ2123.1,
1992 Section 5.3) defines a confined space
as a space whose volume is less than 50
cubic feet per 1,000 Btu per hour (4.8 m3 per
kw) of the aggregate input rating of all
appliances installed in that space and an
unconfined space as a space whose volume
is not less than 50 cubic feet per 1,000 Btu
per hour (4.8 m3 per kw) of the aggregate
inputratingofallappliancesinstalledinthat
space. Rooms communicating directly with
the space in which the appliances are in-
stalled*, through openings not furnished
with doors, are considered a part of the
unconfined space.
WARNING: This heater shall
notbeinstalledinaconfinedspace
or unusually tight construction
unless provisions are provided
foradequatecombustionandven-
tilation air. Read the following in-
structions to insure proper fresh
air for this and other fuel-burning
appliances in your home.
Unusually tight construction is de-
fined as construction where:
a. walls and ceilings exposed to the
outside atmosphere have a con-
tinuous water vapor retarder with
a rating of one perm (6 x 10-11 kg
per pa-sec-m2) or less with open-
ings gasketed or sealed and
b. weather stripping has been
added on openable windows and
doors and
Today’s homes are built more energy effi-
cient than ever. New materials, increased
insulation, and new construction methods
helpreduceheatlossinhomes.Homeowners
weather strip and caulk around windows and
doorstokeepthecoldairoutandthewarmair
in. During heating months, home owners
want their homes as airtight as possible.
This heater shall not be installed in a con-
fined space or unusually tight construction
unless provisions are provided for adequate
combustion and ventilation air.
c. caulking or sealants are applied
to areas such as joints around
window and door frames, be-
tween sole plates and floors, be-
tween wall-ceiling joints, be-
tween wall panels, at penetra-
tions for plumbing, electrical, and
gas lines, and at other openings.
* Adjoining rooms are communicating only
iftherearedoorlesspassagewaysorventila-
tion grills between them.
While it is good to make your home energy
efficient, your home needs to breathe. Fresh
air must enter your home. All fuel-burning
appliances need fresh air for proper com-
bustion and ventilation.
If your home meets all of the three
criteria above, you must provide ad-
ditional fresh air. See Ventilation Air
From Outdoors, page 6.
Exhaustfans, fireplaces, clothesdryers, and
fuel burning appliances draw air from the
house to operate. You must provide ad-
equate fresh air for these appliances. This
will insure proper venting of vented fuel-
burning appliances.
If your home does not meet all of the
three criteria above, proceed to De-
termining Fresh-Air Flow For Heater
Location, page 5.
PROVIDING ADEQUATE
VENTILATION
ThefollowingisexerptsfromNationalFuel
Gas Code. NFPA 54/ANSI Z223.1, Section
5.3, Air for Combustion and Ventilation.
All spaces in homes fall into one of the three
following ventilation classifications:
1. Unusually Tight Contruction
2. Unconfined Space
3. Confined Space
The information on pages 4 through 6 will
help you classify your space and provide
adequate ventilation.
104307
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OWNER’S MANUAL
AIR FOR
COMBUSTION AND
VENTILATION
Continued
DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION
Determining if You Have a Confined or Unconfined Space
Use this work sheet to determine if you have a confined or unconfined space.
Space:Includestheroominwhichyouwillinstallheaterplusanyadjoiningroomswithdoorlesspassagewaysorventilationgrillsbetween
the rooms.
1. Determine the volume of the space (length x width x height).
Length x Width x Height = _________________cu. ft. (volume of space)
Example: Space size 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling height) = 2560 cu. ft. (volume of space)
If additional ventilation to adjoining room is supplied with grills or openings, add the volume of these rooms to the total volume of
the space.
2. Divide the space volume by 50 cubic feet to determine the maximum Btu/Hr the space can support.
_________________ (volume of space) ÷ 50 cu. ft. = (Maximum Btu/Hr the space can support)
Example: 2560 cu. ft. (volume of space) ÷ 50 cu. ft. = 51.2 or 51,200 (maximum Btu/Hr the space can support)
3. Add the Btu/Hr of all fuel burning appliances in the space.
Vent-free heater
Gas water heater*
Gas furnace
__________________Btu/Hr
__________________Btu/Hr
__________________Btu/Hr
__________________Btu/Hr
__________________Btu/Hr
Example:
40,000
39,000
79,000
Gas water heater
Vent-free heater +
Btu/Hr
Btu/Hr
Btu/Hr
Vented gas heater
Gas fireplace logs
Total
=
Other gas appliances* + __________________Btu/Hr
Total = __________________Btu/Hr
* Do not include direct-vent gas appliances. Direct-vent draws combustion air from the outdoors and vents to the outdoors.
4. Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used.
_____________________Btu/Hr (maximum the space can support)
_____________________Btu/Hr (actual amount of Btu/Hr used)
Example: 51,200 Btu/Hr (maximum the space can support)
79,000 Btu/Hr (actual amount of Btu/Hr used)
The space in the above example is a confined space because the actual Btu/Hr used is more than the maximum Btu/Hr the space can support.
You must provide additional fresh air. Your options are as follows:
A. Rework worksheet, adding the space of an adjoining room. If the extra space provides an unconfined space, remove door to adjoin-
ing room or add ventilation grills between rooms. See Ventilation Air From Inside Building, page 6.
B. Vent room directly to the outdoors. See Ventilation Air From Outdoors, page 6.
C. Install a lower Btu/Hr heater, if lower Btu/Hr size makes room unconfined.
If the actual Btu/Hr used is less than the maximum Btu/Hr the space can support, the space is an unconfined space. You will need no
additional fresh air ventilation.
WARNING:If the area in which the heater may be operated is smaller than that defined as an unconfined space
or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of
the methods described in the National Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3 or applicable local codes.
Continued
104307
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CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
AIR FOR
12"
COMBUSTION AND
VENTILATION
Ventilation
Grills
Into Adjoining
Room,
Continued
Ventilation Grills
Into Adjoining Room,
Option 2
VENTILATION AIR
Or
Remove
Door into
Adjoining
Room,
Option
3
Ventilation Air From Inside
Building
Option 1
Thisfreshairwouldcomefromanadjoining
unconfined space. When ventilating to an
adjoining unconfined space, you must pro-
vide two permanent openings: one within
12" of the ceiling and one within 12" of the
floor on the wall connecting the two spaces
(see options 1 and 2, Figure 2). You can also
remove door into adjoining room (see op-
tion 3, Figure 2). Follow the National Fuel
Gas Code NFPA 54/ANSI Z223.1, Section
5.3, Air for Combustion and Ventilation for
required size of ventilation grills or ducts.
12"
Figure 2 - Ventilation Air from Inside Building
WARNING: Rework work-
sheet, adding the space of the
adjoining unconfined space. The
combined spaces must have
enough fresh air to supply all
appliances in both spaces.
Ventilated
Attic
Outlet
Air
Outlet
Air
Ventilation Air From Outdoors
To Attic
Provide extra fresh air by using ventilation
grills or ducts. You must provide two per-
manent openings: one within 12" of the
ceiling and one within 12" of the floor.
Connect these items directly to the outdoors
orspacesopentotheoutdoors.Thesespaces
include attics and crawl spaces.
To
Crawl
Space
Inlet
Air
IMPORTANT: Do not provide openings for
inlet or outlet air into attic if attic has a
thermostat-controlledpowervent.Heatedair
enteringtheatticwillactivatethepowervent.
Ventilated
Crawl Space
Inlet Air
Figure 3 - Ventilation Air from Outdoors
104307
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OWNER’S MANUAL
INSTALLATION
LOG SIZING REQUIREMENTS
Minimum Firebox Size
WARNING: Never install the
heater
NOTICE: This heater is intended
foruseassupplementalheat.Use
this heater along with your pri-
mary heating system. Do not in-
stall this heater as your primary
heat source. If you have a central
heating system, you may run
system’scirculatingblowerwhile
using heater. This will help circu-
late the heat throughout the
house. In the event of a power
outage, you can use this heater
as your primary heat source.
• in a bedroom or bathroom
• in a recreational vehicle
• where curtains, furniture,
clothing, or other flammable
objectsarelessthan36inches
from the front, top, or sides of
the heater
Rear
Width
Log
Front At 14"
Size Height Depth Width Depth
24"
30"
17"
17"
14"
14"
28"
34"
21"
24"
• in high traffic areas
• in windy or drafty areas
Carefullyfollowtheinstructionsbelow.This
will ensure safe installation into a masonry
fireplace or factory-built U.L. 127 listed
vent-free firebox.
CAUTION:Thisheatercreates
warmaircurrents.Thesecurrents
moveheattowallsurfacesnextto
heater. Installing heater next to
vinyl or cloth wall coverings or
operatingheaterwhereimpurities
(suchastobaccosmoke,aromatic
candles, cleaning fluids, oil or
kerosene lamps, etc.) in the air
exist, may discolor walls.
Minimum Wall and Ceiling
Clearances (see Figure 4)
NOTICE: A qualified service per-
son must install heater. Follow
all local codes.
A. Clearances from the side of the fire-
place opening to any combustible wall
should not be less than 16 inches.
NOTICE:Stateorlocalcodesmay
onlyallowoperationofthisappli-
ance in a vented configuration.
Check your state or local codes.
B. Clearances from the top of the fireplace
opening to the ceiling should not be less
than 42 inches.
IMPORTANT:Vent-freeheatersaddmois-
ture to the air. Although this is beneficial,
installing heater in rooms without enough
ventilation air may cause mildew to form
from too much moisture. See Air for Com-
bustion and Ventilation, pages 4 through 6.
WARNING: Make sure the re-
mote selector switch is in the
OFF position before installing
heater.
42"
CHECK GAS TYPE
WARNING: Before installing
in a solid fuel burning fireplace,
thechimneyflueandfireboxmust
be cleaned of soot, creosote,
ashes and loose paint by a quali-
fied chimney cleaner. Creosote
will ignite if highly heated. A dirty
chimney flue may create and dis-
tribute soot within the house. In-
spectchimneyfluefordamage. If
damaged,operateheaterwithflue
damper closed.
Useonlypropane/LPgas.Ifyourgassupply
is not propane/LP gas, do not install heater.
Call dealer where you bought heater for
proper type heater.
16"
Left and
Right Sides
INSTALLATION AND
CLEARANCES (Vent-Free
Operation Only)
Figure4-MinimumClearancetoWalland
Ceiling
WARNING:Maintainthemini-
mum clearances. If you can, pro-
vide greater clearances from
floor, ceiling, and adjoining wall.
WARNING: Seal any fresh air
vents or ash clean-out doors lo-
catedonfloororwalloffireplace.
If not, drafting may cause pilot
outage or sooting. Use a heat-
resistant sealant. Do not seal
chimney flue damper.
MINIMUM FIREPLACE
CLEARANCE TO
COMBUSTIBLE MATERIALS
Log Size
Side Wall
Ceiling
24"
16"
42"
Continued
104307
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CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
INSTALLATION
Non-Combustible
Material Distance (A) Safe Installation
Requirements for
Continued
12" or more
Non-combustible material okay.
Minimum Non-Combustible
Material Clearances
Between 8" and 12"
Install fireplace hood accessory (GA6050, GA6052,
or GA6053, see Accessories, page 21).
If Not Using Mantel
Less than 8"
Non-combustible material must be extended to at
least 8". See Between 8" and 12", above. If you
cannot extend material, you must operate heater
with flue damper open.
Note: If using a mantel, proceed to If Using
Mantel. If not using a mantel, follow the
information below.
Youmusthavenon-combustiblematerial(s)
above the fireplace opening. Non-combus-
tible materials (such as slate, marble, tile,
etc.) must be at least 1/2 inch thick. With
sheet metal, you must have non-combus-
tible material behind it. Non-combustible
material must extend at least 8" up (for all
models). Ifnon-combustiblematerialisless
than 12", you must install the fireplace hood
accessory (24" and 30" models only). See
Figure 5 for minimum clearances.
Heat Resistant
Material
(A)
IMPORTANT: If you cannot meet these
minimum clearances, you must operate
heater with chimney flue damper open.
If Using Mantel
Youmusthavenon-combustiblematerial(s)
above the fireplace opening. Non-combus-
tible materials (such as slate, marble, tile,
etc.) must be at least 1/2 inch thick. With
sheet metal, you must have non-combus-
tible material behind it. Non-combustible
materialmustextendatleast8inchesup(for
all models). If non-combustible material is
less than 12", you must install the fireplace
hood accessory (24" and 30" models only).
Even if non-combustible material is more
than 12", you may need the hood accessory
to deflect heat away from your mantel shelf.
See Figure 5 and Figures 6 and 7on page 9
for minimum clearances.
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
IMPORTANT: If you cannot meet these
minimum clearances, you must operate
heater with chimney flue damper open.
104307
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OWNER’S MANUAL
INSTALLATION
Mantel Shelf
10"
8"
Underside of
Mantel Shelf
Continued
6"
2 1/2"
MANTEL CLEARANCES
If you meet minimum clearance between
mantel shelf and top of fireplace opening, a
hood is not required (see Figure 6).
All minimum
distances are
in inches
Minimum Non-
Combustible
Material
(A)
If minimum clearances in Figure 6 are not
met, you must have a hood. When using a
hood there are still certain minimum mantel
clearancesrequired.Followminimumclear-
ances shown in Figure 7 when using hood.
Log Set
12"
18"
20"
22"
24"
24"/30" Models
Top of Fireplace
Opening
Minimum Non-
Combustible
Material Height
Distances to
Underside of
Mantel
NOTICE: If your installation does
notmeettheminimumclearances
shown, you must do one of the
following:
• operate the logs only with the
flue damper open
• raise the mantel to an accept-
able height
Figure 6 - Minimum Mantel Clearances Without Using Hood
Mantel Shelf
12"
• remove the mantel.
Underside of
10"
8"
Mantel Shelf
Floor Clearances
6"
A. If installing appliance on the floor level,
you must maintain the minimum dis-
tance of 14" to combustibles (see Fig-
ure 8).
2 1/2"
All minimum
distances are
in inches
Minimum Non-
Combustible
Material
Log Set
B. If combustible materials are less than
14" to the fireplace, you must install
appliance at least 5" above the combus-
tible flooring (see Figure 9).
8"
Min.
12"
15"
18"
20"
1
All Models
Top of Fireplace
Opening
Hood
(GA6050, GA6052)
Distances to
Underside of
Mantel
Figure 7 - Minimum Mantel Clearances When Using Hood
Combustible
Material
14"
Min.
Hearth
Combustible
Material
5"
Min.
Non-Combustible
Material
Figure 9 - Minimum Fireplace Clearances
Above Combustible Flooring
Figure 8 - Minimum Fireplace Clearances
If Installed at Floor Level
Continued
104307
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CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
4. Mark screw locations through holes in
mounting flanges (see Figure 11). If in-
stalling in a brick-bottom fireplace,
mark screw locations in mortar joint of
bricks.
Installation Items Needed
INSTALLATION
Beforeinstallingheater,makesureyouhave
the items listed below.
Continued
INSTALLING HEATER BASE
ASSEMBLY
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• manual shutoff valve *
• test gauge connection *
• sediment trap
5. Remove heater base from fireplace.
CAUTION: Do not remove the
metal data plates attached to the
heater base assembly. The data
platescontainimportantwarranty
information.
6. Drill holes at marked locations using
3/16" masonry drill bit.
7. Attach base assembly to fireplace floor
using two masonry screws (in hardware
package) (see Figure 11).
• tee joint
• pipe wrench
8. Connect to gas supply. See Connect-
ing To Gas Supply.
• two (2) 9-volt alkaline batteries (not in-
cluded)
WARNING: You must secure
this heater to fireplace floor. If
not, heater will move when you
adjust controls. Moving heater
may cause a gas leak.
Flexible Gas Hose (if
allowed by local codes)
* AnA.G.A.design-certifiedmanualshutoff
valve with 1/8" NPT tap is an acceptable
alternative to test gauge connection. Pur-
chase the optional A.G.A. design-certified
manual shutoff valve from your dealer. See
Accessories, page 21.
Fitting
WARNING: If installing in a
sunken fireplace, special care is
needed. You must raise the fire-
place floor to allow access to
heater control panel. This will in-
sure adequate air flow and guard
against sooting. Raise fireplace
floor with non-combustible mate-
rial. Make sure material is secure.
The installer must supply an external regu-
lator. The external regulator will reduce
incoming gas pressure. You must reduce
incominggaspressuretobetween11and14
inches of water. If you do not reduce incom-
ing gas pressure, heater regulator damage
could occur. Install external regulator with
the vent pointing down as shown in Figure
12. Pointing the vent down protects it from
freezing rain or sleet.
Figure 10 - Attaching Flexible Gas Hose
to Heater
Masonry
Screw
CAUTION: Do not pick up
heater base assembly by the
burner. This could damage
heater. Only handle base assem-
bly by grates.
External Regulator
Propane
Supply Tank
IMPORTANT: Make sure the heater burn-
ersarelevel.Ifheaterisnotlevel,heaterwill
not work properly.
Mounting
Flanges
Figure 11 - Attaching Base Assembly to
Fireplace Floor
Installation Items Needed
• hardware package (provided with heater)
CONNECTING TO GAS
SUPPLY
• approved flexible gas hose (not provided)
(if allowed by local codes)
• sealant resistant to propane/LP gas, not
provided
NOTICE: A qualified service per-
son must connect heater to gas
supply. Follow all local codes.
• electric drill with 3/16" masonry drill bit
1. Apply pipe joint sealant lightly to male
threads of the fitting to be threaded into
gas regulator. Connect approved flex-
ible gas hose to gas regulator of heater
(see Figure 10).
Vent Pointing Down
Figure 12 - External Regulator With Vent
Pointing Down
CAUTION: Never connect
heater directly to the propane
supply. This heater requires an
externalregulator(notsupplied).
Install the external regulator be-
tween the heater and propane
supply.
2. Locate masonary screws in hardware
package.
3. Position heater base assembly in
fireplace.
104307
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OWNER’S MANUAL
Installsedimenttrapinsupplylineasshown
in Figure 13. Locate sediment trap where it
is within reach for cleaning. Locate sedi-
ment trap where trapped matter is not likely
to freeze. A sediment trap traps moisture
and contaminants. This keeps them from
going into heater controls. If sediment trap
is not installed or is installed wrong, heater
may not run properly.
INSTALLATION
CAUTION: Make sure exter-
nal regulator has been installed
between propane supply and
heater.SeeguidelinesunderCon-
necting to Gas Supply, page 10.
Continued
CAUTION: Use only new,
black iron or steel pipe. Inter-
nally-tinned copper tubing may
be used in certain areas. Check
yourlocalcodes. Usepipeof1/2"
diameter or greater to allow
proper gas volume to heater. If
pipe is too small, undue loss of
pressure will occur.
Pressure Testing gas Supply
Piping system
TestPressuresInExcessOf1/2PSIG
CAUTION: Avoid damage to
regulator.Holdgasregulatorwith
wrenchwhenconnectingittogas
piping and/or fittings.
1. Disconnect heater and its individual
manual shutoff valve from gas supply
piping system. Pressures in excess of
1/2 psig will damage heater regulator.
Installation must include a manual shutoff
valve, union, and plugged 1/8" NPT tap.
Locate NPT tap within reach for test gauge
hook up. NPT tap must be upstream from
heater (see Figure 13).
2. Cap off open end of gas pipe where
manual shutoff valve was connected.
CHECKING GAS
CONNECTIONS
3. Pressurize supply piping system by ei-
ther using compressed air or opening
propane supply tank valve.
WARNING: Test all gas pip-
ing and connections for leaks
after installing or servicing. Cor-
rect all leaks at once.
Apply pipe joint sealant lightly to male
threads. This will prevent excess sealant
from going into pipe. Excess sealant in pipe
could result in clogged heater valves.
4. Check all joints of gas supply piping
system. Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.
CAUTION:Usepipejointseal-
ant that is resistant to liquid pe-
troleum (LP) gas.
WARNING:Neveruseanopen
flame to check for a leak. Apply a
mixture of liquid soap and water
toalljoints.Bubblesformingshow
a leak. Correct all leaks at once.
5. Correct all leaks at once.
6. Re-connect heater and manual shutoff
valve to gas supply. Check re-con-
nected fittings for leaks.
TestPressuresEqualToorLessThan
1/2 PSIG
A.G.A. Design-Certified Manual
Shutoff Valve With 1/8" NPT Tap*
1. Close manual shutoff valve (see Fig-
ure 14, page 12).
From Propane
Tank (11" W.C.**
to 14" W.C.
Approved Flexible Gas Hose
(if allowed by local codes)
2. Pressurize supply piping system by ei-
ther using compressed air or opening
propane supply tank valve.
Pressure)
Gas
Control
3. Check all joints from propane supply
tank to manual shutoff valve (see Fig-
ure 15, page 12). Apply mixture of liq-
uid soap and water to gas joints.
Bubbles forming show a leak.
Tee Joint
Pipe
Nipple
3" Minimum
4. Correct all leaks at once.
Cap
Sediment Trap
Figure 13 - Gas Connection
* Purchase the optional A.G.A. design-certified manual shutoff valve from your dealer. See
Accessories, page 21.
** Minimum inlet pressure for purpose of input adjustment.
Continued
104307
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CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
4. Check all joints from manual shutoff
valve to control valve (see Figure 15).
Apply mixture of liquid soap and wa-
ter to gas joints. Bubbles forming show
a leak.
9-VOLT BATTERY
INSTALLATION
Two 9-volt alkaline batteries (not included)
are required to operate this heater with the
wireless hand-held remote control set. One
battery must be installed in the receiver and
one in the hand-held remote control unit.
Note: Only use alkaline batteries.
INSTALLATION
Continued
Pressure Testing Heater Gas
Connections
1. Open manual shutoff valve (see Fig-
ure 14).
5. Correct all leaks at once.
6. Light heater (see Operating Heater,
pages 15 through 17). Check all other
internal joints for leaks.
2. Open propane supply tank valve.
Installing 9-Volt Alkaline Battery
In Receiver
3. Make sure control knob of heater is in
the OFF position.
7. Turn off heater (see To Turn Off Gas to
Appliance, page 16).
1. Locate back of receiver under front
burner of heater.
Manual
Shutoff Valve
2. Locate the battery clip mounted on the
back of the receiver.
Open
3. Slide a 9-volt alkaline battery through
the clip.
4. Attach the teminal wires to the battery.
Closed
Figure 14 - Manual Shutoff Valve
Manual
Shutoff
Valve
Receiver
Thermostat Gas Valve or
Control Valve Location
Propane Tank
Terminal
Wires
9-Volt Battery
Figure 16 - Installing 9-Volt Battery In
Receiver
Installing 9-Volt Battery In Hand-
Held Remote Control Unit
1. Remove battery cover on back of re-
mote control unit.
2. Attack terminal wires to the battery.
Place battery into the battery housing.
3. Replace battery cover onto remote con-
trol unit.
Figure 15 - Checking Gas Joints
Remote
Control
Unit
Battery Cover
Terminal
Wires
9-Volt
Battery
Battery
Housing
Figure 17 - Installing Battery In Hand-
Held Remote control Unit
104307
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OWNER’S MANUAL
Front Log (#3)
Back Log (#1)
INSTALLATION
Peg
Continued
Hole in
Grate Base
INSTALLING LOGS
(CGD3924PR)
WARNING: Failure to position
thepartsinaccordancewiththese
diagrams or failure to use only
parts specifically approved with
this heater may result in property
damage or personal injury.
3
Post
Post
Recess
CAUTION: After installation
andperiodicallythereafter,check
to ensure that no flame comes in
contact with any log. If so, repo-
sition logs according to the log
installation instructions in this
manual. Flames contacting logs
will create soot.
Figure 20 - Installing Front Log (#3)
Burner
Crossover Log (#1)
Notches
Figure 18 - Installing Back Log (#1)
Middle Log (#2)
Each log is marked with a number. These
numbers will help you identify the log when
installing. It is very important to install these
logs exactly as instructed. Do not modify
logs. Only use logs supplied with heater.
Tab
Burner
1. Locate pegs on the bottom of back log
(#1). Slide these pegs into the holes in
the grate base behind the burner (see
Figure 18).
Rectangular
Knobs
Cutout
2. Place the base of the middle log (#2) in
the U-shaped slots of the grate base in
front of the back log. The cutout on the
right of the middle log should fit over the
burner (see Figure 19). Make sure the
front of the middle log is resting on the
tabs of the grate base and the cutout area
is centered over the burner “U” bend.
Figure 21 - Installing Crossover Log (#4)
“U” Bend
U-Shaped
Slot
Figure 19 - Installing Middle Log (#2)
3. Locate the recesses on the back of the
front log (#3). Fit these recesses be-
tween the posts of the grate base (see
Figure 20).
4. Locate the notches in the bottom of the
crossover log (#4). Place the crossover
log on top of the middle log and front
log. Make sure the notches of the cross-
over log lines up with rectangular knobs
on top of the middle and front logs (see
Figure 21).
5. Add lava rock around base of heater.
Do not place any lava rock on logs or
burner.
Continued
104307
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CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
1. Place the base of the middle log (#1) in 4. Locate the notches in the bottom of the
INSTALLATION
the U-shaped slots of the grate base.
The cutout on the right of the middle
log should bit over the burner (see Fig-
ure 22). Make sure the front of the
middle log is resting on the tabs of the
grate base and the cutout area is cen-
tered over the burner “U” bend.
front log (#4). Place the front log on
the grate fingers. Make sure the notches
of the front log line up with the grate
fingers (see Figure 25).
Continued
INSTALLING LOGS ON
MODELS CGB3924PR AND
CGB3930PR
5. With knot to right side, place smaller
log piece (#5) over the pin on the lift
side of the middle log. The smaller log
will rest on front log against the “knot”
on the left (see Figure 26).
2. Locate pegs on the bottom of back log
(#2). Slide these pegs into the holes in
the grate base behind the burner (see
Figure 23).
WARNING: Failure to position
thepartsinaccordancewiththese
diagrams or failure to use only
parts specifically approved with
this heater may result in property
damage or personal injury.
6. Add lava rock around base of heater.
Do not place any lava rock on logs or
burner.
3. Place crossover log (#3) onto the pin
(right) on middle log (#1) and into the
recess of the back log (#2) (see Fig-
Front Log (#4)
Notches
ure 24).
Back Log (#2)
CAUTION: After installation
andperiodicallythereafter,check
to ensure that no flame comes in
contact with any log. If so, repo-
sition logs according to the log
installation instructions in this
manual. Flames contacting logs
will create soot.
Hole in
Grate Base
Peg
Each log is marked with a number. These
numbers will help you identify the log when
installing. It is very important to install these
logs exactly as instructed. Do not modify
logs. Only use logs supplied with heater.
Grate Fingers
Burner
Figure 25 - Installing Front Log (#4)
Middle Log (#1)
Log Piece (#5)
Figure 23 - Installing Back Log (#2)
Crossover Log (#3)
Tab
Burner
Peg
Recess
Peg
“U” Bend
U-Shaped
Slot
Figure 22 - Installing Middle Log (#1)
Figure 26 - Installing Log Piece (#5)
Figure 24 - Installing Crossover Log (#3)
104307
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OWNER’S MANUAL
LIGHTING
INSTRUCTIONS
OPERATING
HEATER
WARNING:Burnerswillcome
on automatically within one
minute when the remote selector
switch is in the ON position after
the pilot is lit.
WARNING:
FOR YOUR SAFETY
• If fireplace has glass doors,
never operate this heater with
glassdoorsclosed.Ifyouoper-
ate heater with doors closed,
heatbuildupinsidefireplacewill
cause glass to burst. Also if
fireplace opening has vents at
the bottom, you must open the
vents before operating heater.
• You must operate this heater
withafireplacescreeninplace.
Make sure fireplace screen is
closed before running heater.
READ BEFORE
LIGHTING
4. Press in and turn control knob clock-
wise
to the OFF position.
5. 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 in-
formation above. If you don’t smell
gas, go to the next step.
WARNING: If you do not fol-
low these instructions exactly, a
fireorexplosionmayresultcaus-
ing property damage, personal
injury or loss of life.
A. This appliance has a pilot which must
be lighted by hand. When lighting the
pilot, follow these instructions exactly.
6. Press in and turn control knob coun-
terclockwise
to the PILOT
position. Press in control knob for
five (5) seconds (see above).
B. BEFORE LIGHTING smell all
around the appliance area for gas. Be
sure to smell next to the floor because
some gas is heavier than air and will
settle on the floor.
NOTICE: During initial operation
of new heater, burning logs will
give off a paper-burning smell.
Orange flame will also be present.
Open damper or window to vent
smell.Thiswillonlylastafewhours.
Note: You may be running this
heater for the first time after hook-
ing up to gas supply. If so, the con-
trol knob may need to be pressed in
for 30 seconds or more. This will al-
low air to bleed from the gas system.
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 a neighbor’s phone. Follow
the gas supplier’s instructions.
• If you cannot reach your gas sup-
plier, call the fire department.
7. With control knob pressed in, press
and release ignitor button. This will
light pilot. The pilot is attached to the
front burner. If needed, keep press-
ing ignitor button until pilot lights.
Note: Homeowners generally prefer to
operate their heater with the chimney
damper closed. This will put all the heat
into the room. However there may be
times you will desire the full flames of the
Hiheatsettingbutwillfindtheheatoutput
excessive. You can open the chimney
damper (if you have one) fully or partially
to release some of the heat.
Note: If pilot does not stay lit, con-
tact a qualified service person or gas
supplier for repairs. Until repairs are
made, light pilot with match. To light
pilot with match, see Manual Light-
ing Procedure on page 16.
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, don’t try to repair it, call a
qualified service technician or gas
supplier. Force or attempted repair
may result in a fire or explosion.
WARNING: Damper handle
will be hot if heater has been
running.
8. Keep control knob pressed in for 30
seconds after lighting pilot. After 30
seconds, release control knob.
• If control knob does not pop out
when released, contact a qualified
service person or gas supplier for
repairs.
1. STOP! Read the safety information
above.
D. Do not use this appliance if any part
has been under water. Immediately call
a qualified service technician to inspect
the appliance and to replace any part
of the control system and any gas con-
trol which has been under water.
2. Make sure manual shutoff valve is
fully open.
3. Set remote selector switch in the OFF
position.
Note: If pilot goes out, repeat steps
4 through 8.
Flame Adjustment Knob
Control Knob
I
REMOTE
OFF
ON
O
N O
I
T O
O
Ignitor Button
Selector Switch in OFF Position
Figure 27 - Control Knob and Ignitor Button Location
Continued
104307
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CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
IMPORTANT: Do not leave the re-
mote selector switch in the REMOTE
position when the pilot is not lit. This
will drain the battery.
THERMOSTAT
CONTROL
OPERATION
OPERATING
HEATER
Continued
9. Slightly push in and turn control
The thermostat control setting on the
remote control unit can be set to any
comfort level between HI and LO. The
Burners will turn on and off automati-
cally to maintain the comfort level you
select. The ideal comfort setting will vary
byhouseholddependingupontheamount
of space to be heated, the output of the
central heating system, etc.
2. Select the MANUAL orAUTO button
on the hand-held remote control unit.
• In MANUAL mode, turn burners
on or off by pressing the ON or
OFF buttons on the hand-held re-
mote control unit.
knob counterclockwise
ON position.
to the
10. Wait one minute and switch remote
selector switch to the ON position to
light burner.
• InAUTO mode, the room tempera-
ture is controlled by the thermo-
stat in the hand-held remote con-
trol unit. To increase the room tem-
perature, press the top arrow of the
TEMP button. To lower room the
temperature, press the bottom ar-
row to theTEMP button.At higher
settings the heater will run more.
11. Set flame adjustment knob to any
level between HI and LO.
Pilot Burner
Ignitor
MANUAL LIGHTING
PROCEDURE
1. Follow steps 1 through 6 under Light-
ing Instructions, page 15 and 16.
Electrode
2. Depress control knob and light pilot
with match.
IMPORTANT: The hand-held remote
control unit must be near the heater.
Do not keep the hand-held remote
control unit too close the heater. The
thermostat on the hand-held remote
control unit will heat up too quickly
and turn the heater off.
3. Keep control knob pressed in for 30
seconds after lighting pilot. After 30
seconds, release control knob. Now
follow step 9, column 1.
Figure 27- Pilot
CAUTION:Donottrytoadjust
heating levels by using the
manual shutoff valve.
HAND HELD REMOTE
OPERATION
3. Use the STATUS button on the hand-
held remote control unit to see the
operation mode being used and the
temperature setting selected. A red
light will come on beside the opera-
tion mode being used when the sta-
tus button is pressed.
NOTICE: You must light the pilot
before using the hand-held re-
mote control unit. See Lighting
Instructions on page 15.
WARNING: Make sure the re-
mote selector switch is in the
OFF position when you are away
from home for long periods of
time. Heater will come on auto-
matically with remote selector
switch in the ON position.
1. After lighting, let pilot flame burn for
about one minute. Turn control knob
to ON position. Adjust flame adjust-
ment knob anywhere between HI
and LO. Slide the remote selector
switch to the REMOTE position. The
burners will come on. You can now
turn the burners on and off with the
hand-held remote control unit.
4. To turn the burners off when oper-
ating in the MANUAL mode, press
the OFF button. If operating in the
auto mode, press the manual button,
then press the OFF button The pilot
will remain lit. IMPORTANT: To turn
the pilot off, manually turn the con-
trol knob on the heater to the OFF
position or set remote selector switch
to OFF position.
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise
to the OFF position.
2. Set remote selector switch in the OFF
position to prevent draining battery.
Flame Adjustment Knob
Control Knob in On Position
Shutting Off Burners Only (pilot
stays lit)
I
P
F
F
ON
OFF
REMOTE
You may shut off the burners and keep
the pilot lit by doing one of the following:
O
• Turn control knob clockwise
to the PILOT position.
Remote Selector Switch in Remote Position
• Use remote control manual OFF button.
Figure 28 - Setting the Remote Selector Switch, Control Knob, and Flame Adjustment
Knob for Remote Operation
• Set remote selector switch in the OFF
position.
104307
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OWNER’S MANUAL
OPERATING
CLEANING AND
MAINTENANCE
HEATER
Continued
WARNING: Turn off heater
and let cool before cleaning.
Shows Temperature Setting
HI
Increases Room
Temperature
TEMP
CAUTION: You must keep
control areas, burner, and circu-
lating air passageways of heater
clean. Inspect these areas of
heater before each use. Have
heaterinspectedyearlybyaquali-
fied service person. Heater may
needmorefrequentcleaningdue
to excessive lint from carpeting,
pet hair, etc.
Decreases Room
Temperature
Allows Burners to be Turned
On and Off with the Hand-
Held Remote Unit.
LO
MAN
ON
Turns Burners
On and Off
The log heater will automati-
cally cycle between pilot and
the heat setting that has
been selected.
AUTO
OFF
Shows Current
Operation Mode
STATUS
Figure 29 - Thermostat Hand-Held Remote Control Unit Selections
ODS/PILOT AND BURNER
• Use a vacuum cleaner or small, soft
bristled brush to clean.
Pilot Burner
INSPECTING
BURNERS
Thermocouple
LOGS
Check pilot flame pattern and burner flame
patterns often.
• If you remove logs for cleaning, refer to
Installing Logs, pages 13 and 14, to prop-
erly replace logs.
PILOT FLAME PATTERN
• Replace log(s) if broken or chipped
(dime-sized or larger).
Figure 30 shows a correct pilot flame pat-
tern. Figure 31 shows an incorrect pilot
flame pattern. The incorrect pilot flame is
not properly heating the thermocouple.
When the thermocouple cools, the heater
will shut down.
Figure 31 - Incorrect Pilot Flame Pattern
If pilot flame pattern is incorrect, as shown
in Figure 31
BURNER PRIMARY AIR
HOLE
• turn heater off (see To Turn Off Gas to
Appliance, page 16)
Air is drawn into the burner through the 8
holes in the brass fitting at the burner en-
trance. There holes may become blocked
with dust or lint. Periodically inspect these
holes for any blockage and clean if needed.
Blocked air holes will create soot.
Thermocouple
Pilot Burner
• see Troubleshooting, pages 18 through 20
MAIN BURNER
Periodically inspect all burner flame holes
with the heater running. All slotted burner
flame holes should be open with yellow
flame present. All round burner flame holes
should be open with a small blue flame
present. Some burner flame holes may be-
come blocked by debris or rust, with no
flame present. If so, turn off heater and let
cool. Either remove blockage or replace
burner. Blocked burner flame holes will
create soot.
MAIN BURNER
Periodically inspect all burner flame holes
with the heater running. All slotted burner
flame holes should be open with yellow
flame present. All round burner flame holes
should be open with a small blue flame
present. Some burner flame holes may be-
come blocked by debris or rust, with no
flame present. If so, turn off heater and let
cool. Either remove blockage or replace
burner. Blocked burner flame holes will
create soot.
Figure 30 - Correct Pilot Flame Pattern
104307
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CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
TROUBLESHOOTING
CAUTION: Never use a wire,
needle, or similar object to clean
ODS/pilot.ThiscandamageODS/
pilot unit.
WARNING: Turn off heater
andletcoolbeforeservicing.Only
aqualifiedservicepersonshould
service and repair heater.
Note:Alltroubleshootingitemsarelistedin
order of operation.
OBSERVED PROBLEM
POSSIBLE CAUSE
REMEDY
When ignitor button is pressed, there is no 1. Ignitor electrode not connected to igni- 1. Reconnect ignitor cable
spark at ODS/pilot
tor cable
2. Ignitor cable pinched or wet
2. Free ignitor cable if pinched by any
metal or tubing. Keep ignitor cable dry
3. Tighten nut holding piezo ignitor to base
panel of log set. Nut is located behind
base panel.
3. Piezo ignitor nut is loose
4. Broken ignitor cable
4. Replace ignitor cable
5. Bad piezo ignitor
5. Replace piezo ignitor
6. Ignitor electrode broken
6. Replace piezo ignitor
7. Ignitor electrode positioned wrong
7. Replace piezo ignitor
When ignitor button is pressed, there is 1. Gas supply turned off or manual shutoff 1. Turn on gas supply or open manual
spark at ODS/pilot but no ignition
valve closed
shutoff valve
2. Control knob not in PILOT position
2. Turn control knob to PILOT position
3. Control knob not pressed in while in 3. Press in control knob while in PILOT
PILOT position
position
4. Air in gas lines when installed
4. Continue holding down control knob.
Repeat igniting operation until air is re-
moved
5. Depleted gas supply
6. ODS/pilot is clogged
5. Contact local propane gas company
6. Clean ODS/pilot (see Cleaning and
Maintenance, page 17) or replace ODS/
pilot assembly
7. Gas regulator setting is not correct
7. Replace gas control
ODS/pilot lights but flame goes out when 1. Control knob not fully pressed in
1. Press in control knob fully
control knob is released
2. Control knob not pressed in long enough 2. After ODS/pilot lights, keep control
knob pressed in 30 seconds
3. Manual shutoff valve not fully open
3. Fully open manual shut-off valve
4. Pilot flame not touching thermocouple, 4. A) Contact local propane gas company
which allows thermocouple to cool,
causing pilot flame to go out. This prob-
lem could be caused by one or both of
the following:
B) Clean ODS/pilot (see Cleaning and
Maintenance, page 17) or replace ODS/
pilot assembly
A) Low gas pressure
B) Dirty or partially clogged ODS/pilot
5. Thermocouple connection loose at con- 5. Hand tighten until snug, then tighten 1/4
trol valve
turn more
6. Thermocouple damaged
7. Control valve damaged
6. Replace thermocouple
7. Replace control valve
104307
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OWNER’S MANUAL
TROUBLESHOOTING
Continued
OBSERVED PROBLEM
POSSIBLE CAUSE
REMEDY
Burner does light after ODS/pilot is lit
1. Burner orifice clogged
1. Clean burner (see Cleaning and Mainte-
nance, page 17) or replace burner orifice
2. Contact local propane gas company
3. Replace burner orifice
2. Inlet gas pressure is too low
3. Burner orifice diameter is too small
4. Thermopile leads disconnected or im- 4. Reconnect leads (see Wiring Diagram,
properly connected page 21)
5. Burners will not come on in remote 5. Replace battery in transmitter and receiver
position
Delayed ignition burner
1. Manifold pressure is too low
2. Burner orifice clogged
1. Contact local propane gas company
2. Clean burner (see Cleaning and Mainte-
nance, page 17) or replace burner orifice
Burner backfiring during combustion
1. Burner orifice is clogged or damaged
1. Clean burner (see Cleaning and Mainte-
nance, page 17) or replace burner orifice
2. Replace damaged burner
2. Damaged burner
3. Gas regulator defective
3. Replace gas control
Slight smoke or odor during initial operation 1. Not enough air
1. Check burner for dirt and debris. If
found, clean burner (see Cleaning and
Maintenance, page 17)
2. Gas regulator defective
2. Replace gas control
3. Residues from manufacturing processes 3. Problem will stop after a few hours of
and logs curing
operation
Moisture/condensationnoticedonwindows 1. Not enough combustion/ventilation air
1. Refer to Air for Combustion and Venti-
lation requirements (page 4)
Heater produces a whistling noise when 1. Turning control knob to HI position 1. Turn control knob to LO position and
burner is lit
when burner is cold
2. Air in gas line
let warm up for a minute
2. Operate burner until air is removed from
line. Have gas line checked by local pro-
pane gas company
3. Air passageways on heater blocked
3. Observe minimum installation clear-
ances (see pages 7 through 9)
4. Dirty or partially clogged burner orifice 4. Clean burner (see Cleaning and Mainte-
nance, page 17) or replace burner orifice
Whitepowderresidueformingwithinburner 1. When heated, vapors from furniture pol- 1. Turn heater off when using furniture
box or on adjacent walls or furniture
ish, wax, carpet cleaners, etc. turn into
polish, wax, carpet cleaners or similar
white powder residue.
products.
Remote doesn't function
1. Battery is not installed. Battery power 1. Replace 9-volt batteries in receiver and
is low remote control
Continued
104307
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CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
TROUBLESHOOTING
Continued
WARNING: If you smell gas
• Shut off gas supply.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your
building.
• Immediatelycallyourgassupplierfromaneighbor’sphone. Followthe
gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning
supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles,
etc., create fumes. These fumes may mix with combustion air and create odors. These odors
will disappear over time.
OBSERVED PROBLEM
POSSIBLE CAUSE
REMEDY
Heater produces a clicking/ticking noise 1. Metal expanding while heating or con- 1. This is common with most heaters. If
just after burner is lit or shut off
tracting while cooling
noise is excessive, contact qualified ser-
vice person
Heater produces unwanted odors
1. Heater burning vapors from paint, hair 1. Open window and ventilate room. Stop
spray, glues, cleaners, chemicals, new
carpet, etc. (See IMPORTANT state-
ment above)
using odor causing products while heater
is running
2. Gas leak. SeeWarning statement at 2. Locate and correct all leaks (see Check-
top of page
ing Gas Connections, page 11)
Heater shuts off in use (ODS operates)
1. Not enough fresh air is available
2. Low line pressure
3. ODS/pilot is partially clogged
1. Open window and/or door for ventilation
2. Contact local natural gas company
3. Clean ODS/pilot (see Cleaning and
Maintenance, page 17)
Gas odor even when control knob is in OFF 1. Gas leak. SeeWarning statement at 1. Locate and correct all leaks (see Check-
position
top of page
ing Gas Connections, page 11)
2. Control valve defective
2. Replace control valve
Gas odor during combustion
1. Foreign matter between control valve 1. Take apart gas tubing and remove for-
and burner eign matter
2. Gas leak. SeeWarning statement at 2. Locate and correct all leaks (see Check-
top of page ing Gas Connections, page 11)
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OWNER’S MANUAL
ACCESSORIES
Purchase these fireplace accessories from
your local dealer. If they can not supply
these accessories, either contact your near-
est Parts Central (see page 26) or call DESA
International’s Sales Department at 1-800-
972-7879 for referral information. You can
also write to the address listed on the back
page of this manual.
SPECIFICATIONS
CGD3924PR/CGB3924PR/CGB3930PR
Btu (Variable)
Type Gas
20,000/39,000
Propane Only
Piezo
Ignition
Manifold Pressure
Inlet Gas
8.0" W.C.
Pressure (in. of water)
Maximum
14"
Minimum*
11"
Shipping Weight
30 lbs.
* For the purpose of input adjustment
WIRING DIAGRAM
MANUAL SHUTOFF
VALVE - GA5010
White
On
Receiver
Off
Remote
Red
Manual shutoff valve with 1/8" NPT tap.
Fits 1/2" NPT pipe.
TPTH
Gas Control
TPTH
TH
TP
Red
Thermopile
White
FIREPLACE HOOD
BLACK - GA6050
BRASS - GA6052
TECHNICAL
SERVICE
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
You may have further questions about in-
stallation, operation, or troubleshooting.
ANITQUE BRASS - GA6053
• burners will have delayed ignition
• heater will not produce specified heat
• propane gas supply may be low
Helpsdeflectheatawayfrommantelorwall
above fireplace.
If so, contact DESA International’s Techni-
cal Service Department at
LAVA ROCK - GA6060
(Not Shown)
When Gas Quality Is Bad
• pilot will not stay lit
1-800-DESA LOG (1-800-337-2564).
Order when additional rock is desired. (3 lb.
bag)
• burners will produce flames and soot
• heater will backfire when lit
Youmayfeelyourgaspressureistoolowor
gas quality is bad. If so, contact your local
natural gas supplier.
104307
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CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
ILLUSTRATED
PARTS
BREAKDOWN
1
CGD3924PR
4
3
2
5
13
6
9
10
7
12
11
8
13
15
14
16
I
H
21
L
O
O
F
17
F
N
O
T
I P
O
L
20
REMOTE
OFF
ON
16
25
18
19
20
HI
MAN
TEMP
LO
AUT
O
ON
22
23
OFF
ST
A
TUS
H
L
O
O
F
N
F
O
L I P
T
O
16
24
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OWNER’S MANUAL
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions
listed under Replacement Parts on page 26 of this manual.
PARTS LIST
CGD3924PR
KEY
NO.
PART NUMBER
DESCRIPTION
QTY.
1
2
3
4
5
6
7
8
103008-01
103009-01
103010-01
103011-01
103778-01
098249-01
103342-02
098264-02
102843-01
099056-17
102966-01
102772-01
099387-09
103781-02
103345-01
M11084-38
102775-06CK
098271-07
102445-01
103823-01
104099-01
098304-01
103784-02
103784-01
M12461-26
Back Log (#1)
Middle Log (#2)
Front Log (#3)
Crossover Log (#4)
ODS Pilot (LP)
ODS Nut
Burner Outlet Tube
Male Connector
Burner Clip
Burner Orifice Injector
Upper Bracket
Burner
Pilot Tube
Gas Control Valve
Lower Bracket
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
7
1
1
1
1
1
2
1
1
4
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Screw, #8 x .38
Painted Base Assembly
Ignitor Cable
Piezo Ignitor
Remote Set (Incl. Transmitter)
Heat Shield
Screw
Flame Adjustment Knob
Off-Pilot-On Knob
Screw, Hex Slt Wsr 10-32 x .38
PARTS AVAILABLE — NOT SHOWN
100563-01
103877-01
100565-01
100639-01
101137-02
104310-02
GA6060
Warning Plate
1
1
1
1
1
1
1
Lighting Instructions Plate
Warning Plate Fastener
Caution Decal
Hardware Kit
Information Video
Lava Rock
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CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
ILLUSTRATED
PARTS
3
5
BREAKDOWN
CGB3924PR
CGB3930PR
1
2
4
6
13
7
9
10
26
12
11
8
13
15
14
16
I
H
21
L
O
O
F
17
F
N
O
T
I P
O
L
20
REMOTE
OFF
ON
16
18
20
19
HI
MAN
TEMP
LO
AUT
O
ON
OFF
ST
A
TUS
22
23
I
25
H
L
O
O
F
N
F
O
L I P
T
O
16
24
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OWNER’S MANUAL
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions
listed under Replacement Parts on page 26 of this manual.
PARTS LIST
CGB3924PR
CGB3930PR
KEY
CGB3924PR
CGB3930PR
NO.
PART NUMBER
PART NUMBER
DESCRIPTION
QTY.
1
2
3
4
5
6
7
8
104897-01
104898-01
104899-01
104896-01
104900-01
103778-01
098249-01
098264-02
102843-01
099056-17
102966-01
102772-01
099387-09
103781-02
103345-01
M11084-38
102775-06CK
098271-07
102445-01
103823-01
104099-01
098304-01
103784-02
103784-01
M12461-26
103342-02
104897-02
104898-02
104899-02
104896-02
104900-02
103778-01
098249-01
098264-02
102843-01
099056-17
102966-01
102772-01
099387-09
103781-02
103345-01
M11084-38
102775-06CK
098271-07
102445-01
103823-01
104099-01
098304-01
103784-02
103784-01
M12461-26
103342-02
Middle Log (#1)
Back Log (#2)
Crossover Log (#3)
Front Log (#4)
Log Piece (#5)
ODS Pilot (LP)
ODS Nut
Male Connector
Burner Clip
Burner Orifice Injector
Upper Bracket
Burner
Pilot Tube
Gas Control Valve
Lower Bracket
Screw, #8 x .38
Painted Base Assembly
Ignitor Cable
Piezo Ignitor
Remote Set (Incl. Transmitter)
Heat Shield
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
7
1
1
1
1
1
2
1
1
4
1
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
Screw
Flame Adjustment Knob
Off-Pilot-On Knob
Screw, Hex Slt Wsr 10-32 x .38
Burner Outlet Tube
PARTS AVAILABLE — NOT SHOWN
100563-01
103877-01
100565-01
100639-01
101137-02
104310-02
GA6060
100563-01
103877-01
100565-01
100639-01
101137-02
104310-02
GA6060
Warning Plate
1
1
1
1
1
1
1
Lighting Instructions Plate
Warning Plate Fastener
Caution Decal
Hardware Kit
Information Video
Lava Rock
104307
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CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
When calling DESA International, have
ready
PARTS NOT UNDER
WARRANTY
REPLACEMENT
PARTS
• your name
Contact authorized dealers of this product. If
theycan’tsupplyoriginalreplacementpart(s),
either contact your nearest Parts Central (see
below) or call DESA International’s Parts
Department at 1-800-972-7879 for referral
information.
• your address
Note: Use only original replacement parts.
Thiswillprotectyourwarrantycoveragefor
parts replaced under warranty.
• model number of your heater
• how heater was malfunctioning
• type of gas used (propane or natural gas)
• purchase date
PARTS UNDER WARRANTY
Contact authorized dealers of this prod-
uct. If they can’t supply original replace-
ment part(s), call DESA International’s
Technical Service Department at
When calling DESA International, have
ready
Usually, we will ask you to return the defec-
tive part to the factory.
• model number of your heater
• the replacement part number
1-800-DESA LOG (1-800-337-2564).
These Parts Centrals are privately owned businesses. They have agreed to support our
customer’s needs by providing original replacement parts and accessories. When calling a
Parts Central, ask for the Parts Department.
PARTS CENTRAL
Baltimore Electric
1348 Dixwell Avenue
Hamden, CT 06514
1-800-397-7553
Washer Equipment Co.
1715 Main Street
Kansas City, MO 64108
KS, MO, AR
Halco Enterprises
208 Carter Drive, Unit 21
West Chester, PA 19382
610-430-7717
203-248-7553
816-842-3911
1-800-368-0803
Parts Department
East Coast Energy
Products
707 Broadway
W. Long Branch, NJ 07764
732-870-8809
LA Porte’s Parts & Service
2444 N. 5th Street
Hartsville, SC 29550
803-332-0191
Portable Heater Parts
342 N. County Rd. 400 East
Valparaiso, IN 46383
All States
Parts Department
219-462-7441
1-800-362-6951
1-800-755-8809
Cans Unlimited, Inc.
P.O. Box 645
Taylor, SC 29687
All States
803-879-3009
1-800-845-5301
Tarantin Tank Co.
P.O. Box 6129
Freehold, NJ 07728
908-780-9340
1-800-922-0724
FBD
1349 Adams St.
Bowling Green, KY 42103
502-846-1199
1-800-654-8534
Dayton Hardware
P.O. Box 275
North Dayton Station
Dayton, OH 45404
All States
Heater and Fireplace Store
1922 N Route 9
Cape May Court, NJ 08210
609-624-0678
Parts Department
Four Flags Power Products
1115 Stateline Road
Niles, MI 49120
616-684-2697
1-800-268-4983
937-258-3721
Parts Only
OH 1-800-762-3426
Master Parts Distribution
1184 Wilson Ave. NW
Grand Rapids, MI 49504
616-791-8270
1-800-446-1446
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OWNER’S MANUAL
NOTES
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WARRANTY INFORMATION
KEEP THIS WARRANTY
Model
Serial No.
Date Purchased
Always specify model and serial numbers when communicating with the factory.
We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our
standard written warranty. We make no other warranty, expressed or implied.
LIMITED WARRANTY
COMFORT GLOW VENT-FREE PROPANE GAS LOG HEATERS
DESA International warrants this product to be free from defects in materials and components for two (2) year from the
date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with
all applicable instructions. To make a claim under this warranty the Bill of Sale or cancelled check must be presented.
This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to restore
this heater to proper operating condition and an allowance for labor when provided by a DESA Authorized Service Center.
Warranty part(s) MUST be obtained through authorized dealers of this product and/or DESA International who will
provideoriginalfactoryreplacementparts. Failuretouseoriginalfactoryreplacementpartsvoidsthiswarranty. Theheater
MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit.
This warranty does not apply to parts that are not in original condition because of normal wear and tear, or parts that fail
orbecomedamagedasaresultofmisuse, accidents, lackofpropermaintenanceordefectscausedbyimproperinstallation.
Travel, diagnostic cost, labor, transportation and any and all such other costs related to repairing a defective heater will
be the responsibility of the owner.
TOTHEFULLEXTENTALLOWEDBYTHELAWOFTHEJURISDICTIONTHATGOVERNSTHESALEOFTHE
PRODUCT; THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES
AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES, INCLUDING WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO TWO (2) YEAR ON ALL COMPO-
NENTS FROM THE DATE OF FIRST PURCHASE; AND DESA INTERNATIONAL’S LIABILITY IS HEREBY
LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA INTERNATIONAL SHALL NOT BE
LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT, INCIDENTAL OR CONSE-
QUENTIAL DAMAGES.
Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or
consequentialdamages,sotheabovelimitationonimpliedwarranties,orexclusionorlimitationondamagesmaynotapply
to you.
This warranty gives you specific legal rights, and you may also have other rights that vary from state to state.
For information about this warranty write:
104307 01
2701 Industrial Drive
P.O. Box 90004
NOT A UPC
Bowling Green, KY 42102-9004
104307-01
Rev. B
07/98
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