UNVENTED (VENT-FREE)
NATURAL GAS FIREPLACE
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
OWNER’S OPERATION AND INSTALLATION MANUAL
CGF265NVA
AND
CGF280NT
Shown with optional
cabinet mantel and
®
hearth base.
WARNING:Improperinstallation,
WARNING: If the information in this manual is not
adjustment, alteration, service,
followed exactly, a fire or explosion may result caus-
ormaintenancecancauseinjury
ing property damage, personal injury, or loss of life.
orpropertydamage.Refertothis
— Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
manual for correct installation
and operational procedures. For
assistance or additional infor-
mation consult a qualified in-
staller, service agency, or the
gas supplier.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone in your building.
WARNING: This is an unvented
gas-fired heater. It uses air (oxy-
gen) from the room in which it is
installed.Provisionsforadequate
combustion and ventilation air
mustbeprovided. RefertoAirfor
CombustionandVentilationsec-
• Immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s in-
structions.
• If you cannot reach your gas supplier, call the
fire department.
— Installation and service must be performed by a
qualified installer, service agency, or the gas supplier. tion in this manual.
Save this manual for future reference.
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SAFETY
WARNINGS Continued
WARNING: Any change to this fireplace or its controls can be dangerous.
1. 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.
INFORMATION
Continued
2. 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
• 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
3. This fireplace shall not be installed in a bedroom or bathroom.
4. Never install the fireplace
• in a recreational vehicle
• where curtains, furniture, clothing, or other flammable objects are less than 36
inches from the front, top, or sides of the fireplace
• in high traffic areas
• in windy or drafty areas
5. Do not use this fireplace as a wood-burning fireplace. Use only the logs provided with
the fireplace.
6. Do not add extra logs or ornaments such as pine cones, vermiculite, or rock wool.
Using these added items can cause sooting. Do not add lava rock around base. Rock
and debris could fall into the control area of fireplace.
7. You must operate this fireplace with the fireplace screen in place. Make sure fireplace
screen is in place before running fireplace.
8. This fireplace is designed to be smokeless. If logs ever appear to smoke, turn off
fireplace and call a qualified service person. Note: During initial operation, slight
smoking could occur due to log curing and fireplace burning manufacturing residues.
9. Do not allow fans to blow directly into the fireplace. Avoid any drafts that alter burner
flame patterns. Ceiling fans can create drafts that alter burner flame patterns. Altered
burner patterns can cause sooting.
10. Do not use a blower insert, heat exchanger insert or other accessory not approved for
use with this heater.
11. This fireplace needs fresh air ventilation to run properly. This fireplace has an oxygen
depletion sensor (ODS) pilot light safety system. The ODS shuts down the fireplace if
not enough fresh air is available. See Air for Combustion and Ventilation, pages 6
through 8. If fireplace keeps shutting off, see Troubleshooting, pages 27 through 30.
12. Do not run fireplace
• where flammable liquids or vapors are used or stored
• under dusty conditions
13. Do not use this fireplace to cook food or burn paper or other objects.
14. Never place any objects in the fireplace or on logs.
15. Fireplace front and screen becomes very hot when running fireplace. Keep children
and adults away from hot surfaces to avoid burns or clothing ignition. Fireplace will
remain hot for a time after shut-down. Allow surfaces to cool before touching.
16. Carefully supervise young children when they are in the room with fireplace.
17. Do not use fireplace if any part has been exposed to or under water. Immediately call a
qualified service technician to inspect the fireplace and to replace any part of the
control system and any gas control which has been under water.
18. Do not operate fireplace if any log is broken. Do not operate fireplace if a log is
chipped (dime-sized or larger).
19. Turn fireplace off and let cool before servicing. Only a qualified service person should
service and repair fireplace.
20. Operating fireplace above elevations of 4,500 feet could cause pilot outage.
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PRODUCT
IDENTIFICATION
Front Log (#1)
Rear Log (#2)
Front
Burner
Rear Burner
Left Front
Branch
(#4)
Gas
Regulator
Base
Right Front
Branch
(#5)
Figure 1 - Log Base Assembly
Top Outer
Casing
Top Louvered
Hood
Firebox
Support
Rear
Access
Door
Screen
Assembly
Side
Access
Door
Bottom Louver
Assembly
Figure 2 - Fireplace
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Install and use fireplace with care. Follow all local codes. In the absence of local
codes, use the latest edition of The National Fuel Gas Code ANSI Z223, also
known as NFPA 54*.
LOCAL CODES
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
1. Place the carton containing the fireplace unit on its back. Hold fireplace and
pull the carton and pallet away. Remove trim kit from front of fireplace.
2. Locate two screws above top corners of the fireplace screen. Remove and
discard these screws. Lift fireplace screen up and pull out to remove.
3. Remove protective packaging applied to logs, log base assembly, and fireplace.
4. Check all items for any shipping damage. If damaged, promptly inform dealer
where you bought fireplace.
UNPACKING
PRODUCT
Operation
This vent-free fireplace is clean burning. It requires no outside venting. There is no
FEATURES heat loss out a vent or up a chimney. Heat is generated by both realistic flames and
glowing embers. The fireplace requires no electricity making it ideal for emergency
back-up heat.
Safety Features
This fireplace has a pilot with an Oxygen Depletion Sensor Shutoff System
(ODS). The ODS/pilot is a required feature for vent-free room heaters. The ODS
system protects against oxygen depletion and any interruption in the fuel supply. If
either occurs, the ODS shuts off gas flow to the burner, turning the fireplace off.
An internal regulator controls fluctuations in your gas pressure.
Piezo Ignition System
This fireplace has a piezo ignitor. This system requires no matches, batteries, or
other sources to light fireplace.
Thermostat Control (CGF280NT)
These fireplaces have a thermostat sensing bulb and a control valve. The thermo-
stat controls the heat output and flame height. This maintains a consistent room
temperature. Even the lowest setting provides realistic flames and glowing embers
from two burners. Selecting higher comfort settings allows the fireplace to run
longer, producing greater heat output. At lower comfort settings, the fireplace will
run less. This results in increased heating comfort. This can also result in lower
gas bills.
Variable Manual Control (CGF265NVA)
These fireplaces have a variable manual control valve which allows the user to
choose the heat setting that best suits his needs. Any setting between low and high
may be selected by simply turning the control knob.
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AIR FOR
COMBUSTION
AND
WARNING
WARNING ICON
G
001
This heater shall not be installed in a confined space unless provi-
sions are provided for adequate combustion and ventilation air.
Read the following instructions to insure proper fresh air for this
and other fuel-burning appliances in your home.
VENTILATION
Today’s homes are built more energy efficient than ever. New materials, increased
insulation, and new construction methods help reduce heat loss in homes. Home
owners weather strip and caulk around windows and doors to keep the cold air out
and the warm air in. During heating months, home owners want their homes as
airtight as possible.
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 combustion and ventilation.
Exhaust fans, fireplaces, clothes dryers, and fuel burning appliances draw air from
the house to operate. You must provide adequate fresh air for these appliances.
This will insure proper venting of vented fuel-burning appliances.
PROVIDING ADEQUATE VENTILATION
The following is exerpts from National Fuel 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 6 through 8 will help you classify your space and provide
adequate ventilation.
Unusually Tight Construction
The air that leaks around doors and windows may provide enough fresh air for
combustion and ventilation. However, in buildings of unusually tight construction,
you must provide additional fresh air.
Unusually tight construction is defined as construction where:
a. walls and ceilings exposed to the outside atmosphere have a continu-
ous water vapor retarder with a rating of one perm or less with open-
ings gasketed or sealed and
b. weather stripping has been added on openable windows and doors and
c. caulking or sealants are applied to areas such as joints around window
and door frames, between sole plates and floors, between wall-ceiling
joints, between wall panels, at penetrations for plumbing, electrical, and
gas lines, and at other openings.
If your home meets all of the three criteria above, you must provide addi-
tional fresh air. See Ventilation Air From Outdoors, page 7.
If your home does not meet all of the three criteria above, proceed to page 6.
Unconfined Space
The National Fuel Gas Code, ANSIZ223.1, 1992, Section 5.3 defines uncon-
fined space as having a minimum air volume of 50 cubic feet (127 cubic cm) for
each 1000 Btu/Hr input rating of all appliances in the space (cubic feet equals
length x width x height of space). Include adjoining rooms only if there are
doorless passageways or ventilation grills between the rooms.
Confined Space
The National Fuel Gas Code, ANSIZ223.1, 1992, Section 5.3 defines confined
space as having an air volume of less than 50 cubic feet (127 cubic cm) for each
1000 Btu/Hr input rating of all appliances in the space (cubic feet equals length
x width x height of space). Include adjoining rooms only if there are doorless
passageways or ventilation grills between the rooms.
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DETERMINING AIR FLOW FOR FIREPLACE LOCATION
AIR FOR
COMBUSTION
AND
Determining if You Have a Confined or Unconfined Space
Use this work sheet to determine if you have a confined or unconfined space.
Space: Includes the room in which you will install fireplace plus any adjoining rooms
with doorless passageways or ventilation grills between the rooms.
VENTILATION
1. Determine the volume of the space (length x width x height).
Continued
Length x Width x Height =
___________________ cu. ft. (volume of space)
Example: Space size 22 ft. (length) x 18 ft. (width) x 8 ft. (ceiling height) =
3168 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: 3168 cu. ft. (volume of space) ÷ 50 cu. ft. = 63.3 or 63,300 (maximum
Btu/Hr the space can support)
3. Add the Btu/Hr of all fuel burning appliances in the space.
Vent-free fireplace
Gas water heater*
Gas furnace
Vented gas heater
Gas fireplace logs
Other gas appliances*
Total
___________________ Btu/Hr
___________________ Btu/Hr
___________________ Btu/Hr
___________________ Btu/Hr
___________________ Btu/Hr
+ ___________________ Btu/Hr
= ___________________ Btu/Hr
Example: Gas water heater
Vent-free fireplace
Total
40,000
28,000
68,000
Btu/Hr
Btu/Hr
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: 63,300 Btu/Hr (maximum the space can support)
68,000 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 work sheet, adding the space of an adjoining room. If the extra space pro-
vides an unconfined space, remove door to adjoining room or add ventilation grills
between rooms. See Ventilation Air from Inside Building, page 8.
B. Vent room directly to the outdoors. See Ventilation Air from Outdoors, page 8.
C. Install a lower Btu/Hr fireplace, 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.
7
Continued
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AIR FOR
COMBUSTION
AND
WARNING
If the area in which the heater may be operated is smaller than
that defined as an unconfined space, provide adequate combus-
tion and ventilation air by one of the methods described in the
National Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3.
VENTILATION
Continued
VENTILATION AIR
Ventilation Air From Inside Building
This fresh air would come from an adjoining unconfined space. When ventilating to an
adjoining unconfined space, you must provide 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 3). You can also remove door into adjoining room (see option 3, Figure 3).
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.
WARNING
Rework worksheet, adding the space of the adjoining unconfined
space. The combined spaces must have enough fresh air to supply all
appliances in both spaces.
12"
Ventilation
Ventilation Grills
Into Adjoining Room,
Option 2
Grills
Into Adjoining
Room,
Or
Remove
Door into
Adjoining
Room,
Option
3
Option 1
12"
Figure 3 - Ventilation Air from Inside Building
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation grills or ducts. You must provide two perma-
nent openings: one within 12" of the ceiling and one within 12" of the floor. Connect
these items directly to the outdoors or spaces open to the outdoors. These spaces include
attics and crawl spaces.
IMPORTANT: Do not provide openings for inlet or outlet air into attic if attic has a
thermostat-controlled power vent. Heated air entering the attic will activate the power
vent.
Ventilated
Outlet
Attic
Air
Outlet
Air
To Attic
To
Crawl
Space
Inlet
Air
Ventilated
Inlet Air
Crawl Space
Figure 4 - Ventilation Air from Outdoors
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INSTALLING
NOTICE
A qualified service person must install fireplace. Follow all local
codes.
WARNING
Never install the fireplace
• in a bedroom or bathroom
• in a recreational vehicle
• where curtains, furniture, clothing, or other flammable
objects are less than 36 inches from the front, top, or sides
of the fireplace
• in high traffic areas
• in windy or drafty areas
CAUTION
This fireplace creates warm air currents. These currents move heat
to wall surfaces next to fireplace. Installing fireplace next to vinyl or
cloth wall coverings or operating fireplace where impurities in the
air (such as tobacco smoke) exist, may discolor walls.
IMPORTANT: Vent-free heaters add moisture to the air. Although this is beneficial,
installing fireplace in rooms without enough ventilation air may cause mildew to
form from too much moisture. See Air for Combustion and Ventilation, pages 6
through 8.
IMPORTANT: Make sure the fireplace is level. If fireplace is not level, log set will
not work properly.
CHECK GAS TYPE
Use only natural gas. If your gas supply is not natural gas, do not install fireplace.
Call dealer where you bought fireplace for proper type fireplace.
Continued
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ASSEMBLING AND ATTACHING BRASS TRIM
Note: The instructions below show assembling and attaching brass trim to fireplace.
Do not yet install trim if performing a built-in installation (see page 14, Built-
In Fireplace Installation)
INSTALLING
Continued
1. Remove packaging from three pieces of brass trim.
2. Locate four brass screws, two adjusting plates with set screws, and two shims
in the hardware packet.
3. Align shim under adjusting plate as shown in Figure 5.
4. Slide one end of adjusting plate/shim in slot on mitered edge of top brass trim
(see Figure 5).
5. Slide other end of adjusting plate/shim in slot on mitered edge of side brass
trim (see Figure 5).
6. While firmly holding edges of brass trim together, tighten both set screws on
the adjusting plate with slotted screwdriver.
7. Repeat steps 1 through 6 for other side.
Set Screws
Top Brass Trim
Side Brass Trim
Adjusting
Plate
Shim
Slot
Mitered Edge
Slot
Figure 5 - Assembling Brass Trim
8. Tighten trim hanging screws (#10 x 6.25 shoulder) into holes in cabinets.
Place the assembled trim onto fireplace cabinet. Align hanging notches on
trim with hanging screws on side of fireplace (see Figure 6). Push trim firmly
into place, sliding hanging notches over hanging screws.
Trim Hanging
Screws
Assembled
Brass Trim
Hanging
Notches on
Trim
Figure 6 - Attaching Brass Trim to Fireplace
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INSTALLATION CLEARANCES
INSTALLING
WARNING
Continued
Maintain the minimum clearances. If you can, provide greater
clearances from floor, ceiling, and adjoining wall.
Carefully follow the instructions below. This will ensure safe installation.
Minimum Wall and Ceiling Clearances (see Figure 7)
A. Clearances from the side of the fireplace opening to any combustible wall should
notbelessthan16inchesforacabinetmantelor12inchesforacornerinstallation.
B. Clearances from the top of the fireplace opening to the ceiling should not be
less than 42 inches.
MINIMUM CLEARANCE
Side Wall - 16 "
Ceiling - 42"
Floor - 0"
Note: Clearances
are the same if
using optional
42"
cabinet mantel or
built-in installation.
16"
Figure 7 - Minimum Clearance to Wall and Ceiling
CONVENTIONAL FIREPLACE INSTALLATION
Conventional installation of this fireplace involves installing fireplace along with
the cabinet mantel and hearth base accessory against a wall in your home. Follow
the instructions below to install the fireplace in this manner.
WARNING
For conventional installation, it is recommended you use the
cabinet mantel or hearth bases specified in this manual. Surface
clearances may not be sufficient with other cabinet mantels and
hearth bases. This may create a fire hazard. See Accessories,
page 38 for correct mantels and hearth bases.
Note: The instructions below show installation using the GMC11F/GMC12U
cabinet mantel and the GC3333F/GC3334U hearth base accessory. The hearth
base accessory shown is optional for this installation. You can install fireplace and
cabinet mantel directly on the floor.
1. Assemble cabinet mantel and hearth base. Assembly instructions are included
with each accessory.
Continued
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2. Break off nailing flanges (see Figure 8) with hammer or pliers.
3. Place mantel and base in desired location. Place heater in front opening of
mantel. Make sure all pieces fit properly. Remove mantel.
INSTALLING
Continued
4. Mark floor and base or wall for gas line entrance. Make sure there is enough
clearance between heater and mantel for gas line. IMPORTANT: Make sure
there are no electrical lines where gas piping will go through floor or wall.
5. Cut an access hole in hearth base top to run flexible gas line to fireplace (see
Figure 9). Make sure to locate access hole so cabinet mantel will cover it when
installed. Note: You can secure base to floor using wood screws. Countersink
screw heads and putty over.
Nailing Flanges
Figure 8 - Location of Nailing Flanges
6. Install gas piping to fireplace location. This installation includes an approved
flexible gas line (if allowed by local codes) after the manual shutoff valve. The
flexible gas line must be the last item installed on the gas piping. See Installing
Gas Piping to Fireplace Location, page 16.
Electrical Outlet
Flexible Gas Line
Hearth Base
Gas Line Access
Hole
Figure 9 - Placing Hearth Base Accessory Against Wall
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Cabinet Mantel
Figure 10 - Installing Cabinet Mantel
7. Carefully place fireplace on top of hearth base (Figure 11). Be careful not to
scratch or damage hearth base. Note: You can secure fireplace to hearth or
floor. Open lower louver. Locate screw holes in bottom of base. Secure with
wood screws through these holes and into hearth or floor.
8. Connect fireplace to gas supply (see page 17).
9. Check all gas connections for leaks. See Checking Gas Connections, page 18.
10. After heater is secured, replace mantel on hearth base (see Figure 10). Make
sure mantel is flush against wall. Install brass trim (see page 10).
Figure 11 - Inserting Fireplace Into Cabinet Mantel
Continued
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BUILT-IN FIREPLACE INSTALLATION
INSTALLING
Built-in installation of this fireplace involves installing fireplace into a framed-in
enclosure. This makes the front of fireplace flush with wall. If installing a mantel
above the fireplace, but you must follow the clearances shown in Figure 15, page 15.
Follow the instructions below to install the fireplace in this manner.
Continued
Height
Actual Framing Actual Framing Actual Framing
32 3/8" 33" 34 5/16" 35 1/2" 16 11/16" 17 3/4"
Front Width
Depth
1. Frame in rough opening. Use dimensions shown in Figure 12 for the rough
opening.
17 3/4"
33"
35 1/2"
Figure 12 - Rough Opening for Installing in Wall
If installing in a corner, use dimensions shown in Figure 13 for the rough opening.
The height is 33" which is the same as the wall opening above.
39 3/8"
27 7/8"
35 1/2"
55 5/8"
Figure 13 - Rough Opening for Installing in Corner
2. Install gas piping to fireplace location. This installation includes an approved
flexible gas line (if allowed by local codes) after the manual shutoff valve. The
flexible gas line must be the last item installed on the gas piping. See Installing
Gas Piping to Fireplace Location, page 16.
3. Carefully set fireplace in front of rough opening with back of fireplace inside
wall opening.
4. Attach flexible gas line to fireplace gas regulator. See Connecting Fireplace to
Gas Supply, page 17.
5. Carefully insert fireplace into rough opening.
6. Attach fireplace to wall studs using nails or wood screws through holes in
nailing flange (see Figure 14).
7. Check all gas connections for leaks. See Checking Gas Connections, page 18.
8. Install brass trim after final finishing and/or painting of wall (see Figure 6,
page 10).
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INSTALLING
Continued
Nails or Wood
Screws
Nailing Flanges
Figure 14 - Attaching Fireplace to Wall Studs
Mantel Clearances for Built-In Installation
If placing mantel above built-in fireplace, you must meet minimum clearance
between mantel shelf and top of fireplace opening.
10"
Underside of
Mantel Shelf
Mantel Shelf
8"
6"
2 1/2"
All minimum
distances are
in inches
20"
241/2"
271/2" 30"
Top of
Fireplace
Opening
Distances to
Underside of
Mantel
Figure 15 - Minimum Mantel Clearances for Built-In Installation
If your installation does not meet the above minimum clearances, you must:
• raise the mantel to an acceptable height, OR
• remove the mantel.
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INSTALLING GAS PIPING TO FIREPLACE LOCATION
INSTALLING
Continued
NOTICE
A qualified service person must connect fireplace to gas supply.
Follow all local codes.
Installation Items Needed
Before installing fireplace, make sure you have the items listed below.
• piping (check local codes)
• sealant (resistant to LP gas)
• manual shutoff valve *
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
• approved flexible gas line with
gas connector (if allowed by
local codes) (not provided)
* An A.G.A. design-certified manual shutoff valve with 1/8" NPT tap is an acceptable
alternativetotestgaugeconnection.PurchasetheoptionalA.G.A.design-certifiedmanual
shutoff valve from your dealer. See Accessories, page 38.
WARNING
Never connect fireplace to private (non-utility) gas wells. This gas is
commonly known as well-head gas.
CAUTION
Use only new, black iron or steel pipe. Internally-tinned copper
tubing may be used in certain areas. Check your local codes. Use
pipe of 1/2" diameter or greater to allow proper gas volume to
fireplace. If pipe is too small, undue loss of pressure will occur.
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 fireplace (see Figure 16, page 17).
Check your building codes for any special requirements for locating manual shutoff
valve to fireplaces.
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 fireplace
valves.
CAUTION
Use pipe joint sealant that is resistant to liquid petroleum (LP) gas.
Install sediment trap in supply line as shown in Figure 16, page 17. Locate sediment
trap where it is within reach for cleaning. Locate sediment trap where trapped
matter is not likely to freeze. A sediment trap traps moisture and contaminants. This
keeps them from going into fireplace gas controls. If sediment trap is not installed
or is installed wrong, fireplace may not run properly.
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A.G.A. Design-Certified Manual Shutoff Valve
With 1/8" NPT Tap*
INSTALLING
Continued
Approved
Flexible
Gas Line
From Gas Meter
(5" W.C. to 10.5" W.C.
3" Minimum
Pressure)
Sediment
Trap
Tee Joint
Pipe Nipple
Cap
Figure 16 - Gas Connection
* Purchase the optional A.G.A. design-certified manual shutoff valve from your
dealer. See Accessories, page 38.
CONNECTING FIREPLACE TO GAS SUPPLY
Installation Items Needed
• 5/16" hex socket wrench or nut-driver
• Phillips screwdriver
• sealant (resistant to LP gas, not provided)
1. Remove fireplace screen. Remove two screws that hold fireplace screen in
place for shipping. These screws are located near top of screen. Discard
screws. Lift fireplace screen up and pull out to remove.
2. Remove access door from rear or side of fireplace. See Product Identification,
page 4, for access door locations.
3. Remove screws that attach log base assembly to fireplace (see Figure 17).
Carefully lift up log base assembly and remove from fireplace (see Figure 17).
CAUTION
Do not pick up log base assembly by burners. This could damage
burners. Only handle base by grates.
Continued
Figure 17 - Removing Log Base Assembly From Fireplace
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4. Routeflexiblegaslinefrommanualshutoffvalveintofireplacethroughsideorrear
access panel. Route flexible gas supply line through fireplace access door.
INSTALLING
Continued
NOTICE
Most building codes do not permit concealed gas connections. A
flexible gas line is provided to allow accessibility from the fire-
place. The flexible gas supply line connection to the manual
shutoff valve should be accessible.
5. Apply pipe joint sealant lightly to male threads of gas connector attached to
flexible gas line (see Figure 18). Connect flexible gas line to flexible gas line
attached to gas regulator of fireplace (see Figure 18).
6. Check all gas connections for leaks. See Checking Gas Connections, below.
7. Replace log base assembly back into fireplace. Feed flexible gas line into
fireplace base area while replacing log base assembly. Make sure the entire
flexible gas line is in fireplace base area. Reattach log base assembly to fire-
place with screws removed in step 3.
To Fireplace
Gas Regulator
Gas Connector
Manual Shutoff Valve
To
Flexible Gas Line
from Fireplace Gas
Regulator
Flexible Gas Line from
Manual Shutoff Valve
Gas Meter
Figure 18 - Attaching Flexible Gas Lines Together
CHECKING GAS CONNECTIONS
WARNING
Test all gas piping and connections for leaks after installing or
servicing. Correct all leaks at once.
WARNING
Never use an open flame to check for a leak. Apply a mixture of liquid
soap and water to all joints. Bubbles forming show a leak. Correct all
leaks at once.
Pressure Testing Gas Supply Piping System
Test Pressures In Excess Of 1/2 PSIG
1. Disconnect fireplace and its individual manual shutoff valve from gas supply
piping system. Pressures in excess of 1/2 psig will damage fireplace gas regula-
tor.
2. Cap off open end of gas pipe where manual shutoff valve was connected.
3. Pressurize supply piping system by either using compressed air or opening main
gas valve located on or near gas meter.
4. Check all joints of gas supply piping system. Apply mixture of liquid soap and
water to gas joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Re-connect fireplace and manual shutoff valve to gas supply. Check re-con-
nected fittings for leaks.
18
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Test Pressures Equal To or Less Than 1/2 PSIG
1. Close manual shutoff valve (see Figure 19).
INSTALLING
2. Pressurize supply piping system by either using compressed air or opening main
gas valve located on or near gas meter.
Continued
3. Check all joints from gas meter to manual shutoff valve (see Figure 20). Apply
mixture of liquid soap and water to gas joints. Bubbles forming show a leak.
4. Correct all leaks at once.
Pressure Testing Fireplace Gas Connections
1. Open manual shutoff valve (see Figure 19).
2. Open main gas valve located on or near gas meter.
3. Make sure control knob of fireplace is in the OFF position.
4. Check all joints from manual shutoff valve to thermostat gas valve (see Figure
20). Apply mixture of liquid soap and water to gas joints. Bubbles forming
show a leak.
5. Correct all leaks at once.
6. Light fireplace (see Operating Fireplace, pages 21 through 23 [Thermostat-
controlled models] or pages 23 through 25 [Manually-controlled models]).
Check all other internal joints for leaks.
7. Turn off fireplace (see To Turn Off Gas to Appliance, page 23 [Thermostat-
controlled models] or page 25 [Manually-controlled models]).
Open
Manual
Shutoff
Valve
Closed
Figure 19 - Manual Shutoff Valve
Manual Shutoff Valve
Gas Meter
Manual Gas Valve
Figure 20 - Checking Gas Joints
Continued
19
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INSTALLING LOGS
INSTALLING
Continued
WARNING
Failure to position the parts in accordance with these diagrams or
failure to use only parts specifically approved with this heater may
result in property damage or personal injury.
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.
1. Slide front log (#1) into place behind front burner. Make sure tabs at bottom of log are
behind front burner (see Figure 21).
2 . Slide rear log (#2) into place behind rear burner (see Figure 22).
3. Place left front branch (#4) and right front branch (#5) (24" and 30" models) or front
branch (#4) (18" model) into place (see Figure 23). Make sure notches on bottom rest on
grates.
Front Log (#1)
Tab
Figure 21 - Installing Front Log
Rear Log (#2)
Left Branch (#4)
Right Branch (#5)
Figure 22 - Installing Rear Log
Figure 23 - Installing Rear Log
20
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INSTALLING
WARNING
You must operate this fireplace with the fireplace screen in place.
Make sure fireplace screen is in place before running fireplace.
Continued
5. Install fireplace screen by slipping notches of fireplace screen over screws on
front of fireplace (see Figure 24).
Screws for
Mounting
Screen
Notches
Figure 24 - Installing Fireplace Screen
OPERATING
FIREPLACE
Thermostat-
Controlled Model
CGF280NT
FOR YOUR SAFETY READ BEFORE LIGHTING
WARNING
Ifyoudonotfollowtheseinstructionsexactly,afireorexplosionmay
result causing 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.
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.
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 supplier, call the fire department.
C. Use only your hand to push in or turn the gas control knob. Never use tools. If the
knob will not push in or turn by hand, 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.
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 control which has been under water.
Continued
21
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LIGHTING INSTRUCTIONS
OPERATING
FIREPLACE
Thermostat-
Controlled Model
Continued
WARNING
You must operate this fireplace with the fireplace screen in place.
Make sure fireplace screen is installed before running fireplace.
NOTICE
During initial operation of new fireplace, burning logs will give off
a paper-burning smell. Orange flame will also be present. Open
window to vent smell. Operate fireplace on HI position to burn off
odor. This will only last a few hours.
1. STOP! Read the safety information on page 21.
2. Make sure manual shutoff valve is fully open.
Clockwise
3. Turn control knob clockwise
to the OFF position.
Control Knob
Ignitor Button
Figure 25 - Control Knob and Ignitor Button Location
4. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the
floor. If you smell gas, STOP! Follow “B” in the safety information above. If you
don’t smell gas, go to the next step.
5. Turn control knob counterclockwise
to the PILOT position. Press in
C-clockwise
control knob for five (5) seconds (see Figure 25, above).
Note: If running fireplace for first time, there will be air in gas line. You may
need to press in control knob for 30 seconds or longer. This will allow air to
bleed from the gas system.
6. Continue pressing control knob in. Press and release ignitor button. This will light
pilot. The pilot is attached to the front burner. If needed, keep pressing ignitor
button until pilot lights.
7. 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.
Note: If pilot goes out, repeat steps 3 through 7. This fireplace has a safety
interlock system. Wait one (1) minute for system to reset before lighting pilot
again.
Note: If pilot does not stay lit, contact a qualified service person or gas supplier
for repairs. Until repairs are made, light pilot with match. To light pilot with
match, see Manual Lighting Procedure, page 23.
Ignitor Electrode
Pilot Burner
Thermocouple
Figure 26 - Pilot
22
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C-clockwise
8. Turn control knob counterclockwise
to desired heating level. The
OPERATING
FIREPLACE
Thermostat-
Controlled Model
Continued
burners should light. Set control knob to any heat level between HI and LO.
CAUTION
Do not try to adjust heating levels by using the manual shutoff valve.
TO TURN OFF GAS TO APPLIANCE
Shutting Off Fireplace
Clockwise
Turn control knob clockwise
to the OFF position.
Shutting Off Burners Only (pilot stays lit)
Clockwise
Turn control knob clockwise
to the PILOT position.
THERMOSTAT CONTROL OPERATION
You can set the thermostat control knob to any comfort level between HI and LO.
The thermostat will gradually modulate the heat output and flame height from higher
to lower settings, or pilot, in order to maintain the comfort level you select. The ideal
comfort setting will vary by household depending upon the amount of space to be
heated, the output of the central heating system, etc.
Note: Selecting the HI setting will cause the burner to remain on without modulating
down in most cases.
MANUAL LIGHTING PROCEDURE
1. Follow steps 1 through 5 under Lighting Instructions, page 22.
2. Depress control knob and light pilot with match.
3. Keep control knob pressed in for 30 seconds after lighting pilot. After 30
seconds, release control knob. Now follow step 8, above.
FOR YOUR SAFETY READ BEFORE LIGHTING
OPERATING
FIREPLACE
Manually-Controlled
Model
WARNING
Ifyoudonotfollowtheseinstructionsexactly,afireorexplosionmay
result causing property damage, personal injury or loss of life.
CGF265NVA
A. This appliance has a pilot which must be lighted by hand. When lighting the pilot,
follow these instructions exactly.
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.
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 supplier, call the fire department.
C. Use only your hand to push in or turn the gas control knob. Never use tools. If the
knob will not push in or turn by hand, 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.
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 control which has been under water.
Continued 23
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LIGHTING INSTRUCTIONS
OPERATING
FIREPLACE
Manually-Controlled
Model
WARNING
You must operate this fireplace with the fireplace screen in place.
Make sure fireplace screen is installed before running fireplace.
Continued
NOTICE
During initial operation of new fireplace, burning logs will give off
a paper-burning smell. Orange flame will also be present. Open
window to vent smell. Operate fireplace on HI position to burn off
odor. This will only last a few hours.
1. STOP! Read the safety information on page 23.
2. Make sure manual shutoff valve is fully open.
Clockwise
3. Turn control knob clockwise
to the OFF position.
Ignitor Button
Control Knob
IGNITOR
Figure 27 - Control Knob and Ignitor Button Location
4. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the
floor. If you smell gas, STOP! Follow “B” in the safety information above. If you
don’t smell gas, go to the next step.
C-clockwise
5. Slightly depress and turn control knob counterclockwise
to the PILOT
position. Press in control knob for five (5) seconds (see Figure 27, above).
Note: If running fireplace for first time, there will be air in gas line. You may
need to press in control knob for 30 seconds or longer. This will allow air to
bleed from the gas system.
6. Continue pressing control knob in. Press and release ignitor button. This will light
pilot. The pilot is attached to the front burner. If needed, keep pressing ignitor
button until pilot lights.
Note: If pilot does not stay lit, contact a qualified service person or gas supplier
for repairs. Until repairs are made, light pilot with match. To light pilot with
match, see Manual Lighting Procedure, page 25.
7. Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds,
release control knob.
Note: If pilot goes out, repeat steps 3 through 7.
• If control knob does not pop out when released, contact a qualified service
person or gas supplier for repairs.
Ignitor Electrode
Thermocouple
Pilot Burner
Figure 28 - Pilot
C-clockwise
8. Slightly depress and turn control knob counterclockwise
to the HIGH
position. Both burners should light. Set control knob to either HIGH or LOW.
24
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VARIABLE CONTROL OPERATION
OPERATING
The variable control valve can be set to any heat setting and flame height desired, by
simply turning the control knob until that setting is attained. Even the lowest setting
provides realistic flames and glowing embers from two burners. Selecting higher
settings produces greater heat output. This results in increased heating comfort.
FIREPLACE
Manually-Controlled
Model
Continued
WARNING
Do not operate heater between pilot and high positions.
CAUTION
Do not try to adjust heating levels by using the manual shutoff valve.
TO TURN OFF GAS TO APPLIANCE
Shutting Off Fireplace
Clockwise
1. Turn control knob clockwise
to the HIGH position.
Clockwise
2. Slightly depress control knob and turn clockwise
3. Slightly depress control knob and turn clockwise
to the PILOT position.
to the OFF position.
Clockwise
Shutting Off Burners Only (pilot stays lit)
1. Turn control knob clockwise
to the HIGH position.
Clockwise
Clockwise
2. Press in and turn clockwise
to the PILOT position.
MANUAL LIGHTING PROCEDURE
1. Follow steps 1 through 5 under Lighting Instructions, page 24.
2. Depress control knob and light pilot with match.
3. Keep control knob pressed in for 30 seconds after lighting pilot. After 30
seconds, release control knob. Now follow step 8, above.
25
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Check pilot flame pattern and burner flame patterns often.
INSPECTING
BURNERS
PILOT FLAME PATTERN
Figure 29 shows a correct pilot flame pattern. Figure 30 shows an incorrect pilot flame
pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the
thermocouple to cool. When the thermocouple cools, the fireplace will shut down.
Thermocouple
Thermocouple
Pilot Burner
Pilot Burner
Figure 29 - Correct Pilot
Flame Pattern
Figure 30 - Incorrect Pilot
Flame Pattern
If pilot flame pattern is incorrect, as shown in Figure 29
• turn fireplace off (see To Turn Off Gas to Appliance, page 23 [Thermostat-
controlled models} or page 25 [Manually-controlled models])
• see Troubleshooting, pages 27 through 30
FRONT BURNER FLAME PATTERN
Figure 31 shows correct front burner flame pattern. Figure 32 shows incorrect front
burner flame pattern. The incorrect burner flame pattern shows yellow tipping at top of
blue flame.
WARNING
If front burner flame pattern shows yellow tipping, your fireplace
could produce increased levels of carbon monoxide. Follow instruc-
tions at bottom of this page. Yellow flame on rear burner is normal.
NOTICE
Do not mistake orange flames with yellow tipping. Dirt or other
fine particles are burned by fireplace, causing brief patches of
orange flame.
CORRECT FLAME PATTERN AT HIGH POSITION
Figure 31 - Correct Front Burner Flame Pattern
Yellow
Tipping
At Top
of Blue
Flame
INCORRECT FLAME PATTERN AT HIGH POSITION
Figure 32 - Incorrect Front Burner Flame Pattern
If front burner flame pattern is incorrect, as shown in Figure 32
• turn fireplace off (see To Turn Off Gas to Appliance, page 23 [Thermostat-
controlled models} or page 25 [Manually-controlled models])
• see Troubleshooting, pages 27 through 30
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CLEANING
AND
WARNING
Turn off fireplace and let cool before cleaning.
MAINTENANCE
CAUTION
You must keep control areas, burners, and circulating air pas-
sageways of fireplace clean. Inspect these areas of fireplace
before each use. Have fireplace inspected yearly by a qualified
service person. Fireplace may need more frequent cleaning due to
excessive lint from carpeting, bedding material, etc.
ODS/PILOT AND BURNERS
• Use a vacuum cleaner or small, soft bristled brush to clean.
LOGS
• If you remove logs for cleaning, refer to Installing Logs, pages 20 and 21, to
properly replace logs.
• Replace log(s) if broken or chipped (dime-sized or larger).
TROUBLE-
SHOOTING
WARNING
Turn off fireplace and let cool before servicing. Only a qualified
service person should service and repair fireplace.
Note: All troubleshooting
items are listed in order of
operation.
CAUTION
Never use a wire, needle, or similar object to clean ODS/pilot. This
can damage ODS/pilot unit.
POSSIBLE
CAUSE
OBSERVED
PROBLEM
REMEDY
1. Ignitor cable pinched or 1. Free ignitor cable if
When ignitor button
is pressed, there is no
spark at ODS/pilot
wet
pinched by any metal or
tubing. Keep ignitor
cable dry
2. Ignitor electrode not con- 2. Reconnect ignitor cable
nected to ignitor cable
3. Piezo ignitor nut is loose 3. Tighten nut holding
piezo ignitor to base
panel of log set. Nut is
located behind base
panel.
4. Broken ignitor cable
5. Ignitor electrode broken
6. Bad piezo ignitor
7. Ignitor electrode posi-
tioned wrong
4. Replace ignitor cable
5. Replace ignitor
6. Replace piezo ignitor
7. Replace ignitor
Continued
27
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OBSERVED
PROBLEM
POSSIBLE
CAUSE
TROUBLE-
REMEDY
SHOOTING
When ignitor button
is pressed, there is
spark at ODS/pilot
but no ignition
1. Gas supply turned off or 1. Turn on gas supply or
Continued
manual shutoff valve
closed
open manual shutoff
valve
2. Control knob not in
PILOT position
2. Turn control knob to
PILOT position
3. Control knob not
pressed in while in
PILOT position
3. Press in control knob
while in PILOT position
4. Air in gas lines when
installed
4. Continue holding down
control knob. Repeat
igniting operation until
air is removed
5. ODS/pilot is clogged
5. Clean ODS/pilot (see
Cleaning and Mainte-
nance, page 27) or
replace ODS/pilot
assembly
6. Gas regulator setting is
not correct
6. Replace gas regulator
ODS/pilot lights but
flame goes out when
control knob is
released
1. Control knob not fully
pressed in
2. Control knob not
pressed in long enough
1. Press in control knob
fully
2. After ODS/pilot lights,
keep control knob
pressed in 30 seconds
3. Fully open manual shut-
off valve
3. Manual shutoff valve
not fully open
4. Thermocouple connec-
tion loose at control
4. Hand tighten until snug,
then tighten 1/4 turn
more
valve
5. Pilot flame not touching
thermocouple, which
allows thermocouple to
cool, causing pilot flame
to go out. This problem
could be caused by one
or both of the following:
A) Low gas pressure
B) Dirty or partially
clogged ODS/pilot
5. A) Contact local natural
gas company
B) Clean ODS/pilot (see
Cleaning and Mainte-
nance, page 27) or
replace ODS/pilot
assembly
6. Thermocouple damaged
7. Control valve damaged
8. On thermostat models,
safety interlock system
has been triggered
6. Replace thermocouple
7. Replace control valve
8. Wait one minute for
safety interlock system
to reset. Repeat ignition
operation
28
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OBSERVED
PROBLEM
POSSIBLE
CAUSE
TROUBLE-
REMEDY
SHOOTING
One or both burners do 1. Burner orifice(s)
1. Clean burner(s) (see
Cleaning and Mainte-
nance, page 27) or replace
burner orifice(s)
not light after ODS/
pilot is lit
clogged
Continued
2. Burner orifice(s)
diameter is too small
3. Inlet gas pressure is
too low
2. Replace burner orifice(s)
3. Contact local propane gas
company
4. Mislocated crossover
tube
4. Contact qualified service
person
Delayed ignition of
one or both burners
1. Manifold pressure is
too low
2. Burner orifice(s)
clogged
1. Contact local propane gas
company
2. Clean burner(s) (see
Cleaning and Mainte-
nance, page 27) or replace
burner orifice(s)
3. Mislocated crossover
tube
3. Contact qualified service
person
Burner backfiring
during combustion
1. Burner orifice is
clogged or damaged
1. Clean burner (see Clean-
ing and Maintenance, page
27) or replace burner
orifice
2. Damaged burner
2. Replace damaged burner
3. Gas regulator defective 3. Replace gas regulator
Yellow flame in front 1. Not enough air
burner during burner
combustion
1. Check burner(s) for dirt
and debris. If found, clean
burner(s)(seeCleaningand
Maintenance, page 27)
2. Gas regulator defective 2. Replace gas regulator
Slight smoke or odor 1. Residues from manu-
1. Problem will stop after a
few hours of operation
during initial operation
facturing processes
and logs curing
Fireplace produces a 1. Turning control knob
1. Turn control knob to LO
position and let warm up
for a minute
whistling noise when
burners are lit
to HI position when
burners are cold
2. Air in gas line
2. Operate burners until air is
removed from line. Have
gas line checked by local
propane gas company
3. Observe minimum
installation clearances
(see page 11)
4. Clean burners (see
Cleaning and Mainte-
nance, page 27) or replace
burner orifice(s)
3. Air passageways on
fireplace blocked
4. Dirty or partially
clogged burner
orifice(s)
Moisture/condensation 1. Not enough combus-
noticed on windows
tion/ventilation air
1. Refer to Air for Combus-
tion and Ventilation
requirements (page 6)
Continued
29
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TROUBLE-
WARNING
If you smell gas
• Shut off gas supply.
SHOOTING
Continued
• Do not try to light any appliance.
• 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.
IMPORTANT: Operating fireplace 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.
POSSIBLE
CAUSE
OBSERVED
PROBLEM
REMEDY
1. This is common with most
fireplaces. If noise is
1. Metal expanding while
heating or contracting
while cooling
Fireplace produces a
clicking/ticking noise
just after burners are
lit or shut off
excessive, contact quali-
fied service person
1. Open window and venti-
late room. Stop using odor
causing products while
fireplace is running
1. Fireplace burning va-
pors from paint, hair
spray, glues, cleaners,
chemicals, new carpet,
etc. (See IMPORTANT
statement above)
Fireplace produces
unwanted odors
2. Locate and correct all
leaks (see Checking Gas
Connections, page 18)
2. Gas leak. See Warn-
ing statement above
1. Open window and/or door
for ventilation
2. Contact local natural gas
company
1. Not enough fresh air is
available
2. Low line pressure
Fireplace shuts off in
use (ODS operates)
3. Clean ODS/pilot (see
Cleaning and Mainte-
nance, page 27)
3. ODS/pilot is partially
clogged
1. Locate and correct all
leaks (see Checking Gas
Connections, page 18)
2. Replace control valve
1. Gas leak. See Warn-
Gas odor even when
control knob is in OFF
position
ing statement above
2. Control valve defective
1. Take apart gas tubing and
remove foreign matter
1. Foreign matter be-
tween control valve
and burner
Gas odor during
combustion
2. Locate and correct all
leaks (see Checking Gas
Connections, page 18)
2. Gas leak. See Warn-
ing statement above
1. Refer to Air for Combus-
tion and Ventilation
1. Not enough combus-
tion/ventilation air
Moisture/condensation
noticed on windows
requirements (page 6)
30
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When gas pressure is too low
• pilot will not stay lit
SERVICE
HINTS
• burners will have delayed ignition
• fireplace will not produce specified heat
• propane/LP gas supply may be low
When gas quality is bad
• pilot will not stay lit
• burners will produce flames and soot
• fireplace will backfire when lit
You may feel your gas pressure is too low or gas quality is bad. If so, contact your
local natural gas supplier.
BTU (Variable)
Type Gas
Ignition
20,000/28,000
Natural Gas Only
Piezo
SPECIFICATIONS
Manifold Pressure
Inlet Gas Pressure (in. of water)
Maximum
3.4" W.C.
10.5"
5"
Minimum*
(*For purpose of input adjustment)
Shipping Weight
80 lbs.
You may have further questions about installation, operation, or troubleshooting.
If so, contact DESA International’s Technical Service Department at
1-800-DESA LOG (1-800-337-2564).
TECHNICAL
SERVICE
These Parts Centrals are privately-owned businesses. They have agreed to support
our customer’s needs by providing original replacement parts and accessories.
PARTS
CENTRALS
Washer Equipment Co.
1715 Main Street
Kansas City, MO 64108
KS, MO, AR
816-842-3911
Parts Department
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1348 Dixwell Avenue
Hamden, CT 06514
1-800-397-7553
203-248-7553
Parts Department
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P.O. Box 275
North Dayton Station
Dayton, OH 45404
All States
513-258-3721
OH 1-800-762-3426
Parts Department
East Coast Energy Products
707 Broadway
W. Long Branch, NJ 07764
908-870-8809
1-800-755-8809
Parts Department
Portable Heater Parts
342 N. County Rd. 400 E.
Valparaiso, IN 46383
All States
219-462-7441
1-800-362-6951
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208 Carter Drive, Unit 21
West Chester, PA 19382
610-430-7717
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P.O. Box 6129
FBD
Freehold, NJ 07728
908-780-9340
1-800-922-0724
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P.O. Box 1096
1720 Kummer Road
Franklin, KY 42134
502-586-1922
1-800-654-8534
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2444 North 5th Street
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803-332-0191
Parts Department
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1586-90 Central Avenue
Albany, NY 07728
NY, MA, VT
518-869-5335
1-800-354-7368
(NY, MA, VT)
Four Flags Power Products
1115 Stateline Road
Niles, MI 49120
616-684-2697
Parts Only
Cans Unlimited, Inc.
P.O. Box 645
Taylor, SC 29687
All States
803-879-3009
1-800-845-5301
Parts Department
Parts Department
Master Parts Distributor
1184 Wilson Ave. NW
Grand Rapids , MI 49504
616-791-0505
1-800-446-1446
Fax: 1-616-791-8270
Parts Department
31
102664
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ILLUSTRATED
PARTS
BREAKDOWN
Log Base Assembly
Variable Manually-
Controlled Models
2
1
4
5
7
7-1
7-2
27
13
19
8
18
9
10
8
6
8
23
16
12
11
8
26
22
6
14
6
6
24
21
6
29
15
30
CGF265NVA
25
20
3
19
28
31
17
32
102664
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This list contains replaceable parts used in your fireplace. When ordering parts,
follow the instructions listed under Replacement Parts on page 38 of this manual.
PARTS LIST
Log Base Assembly
Variable Manually-
Controlled Models
CGF265NVA
KEY
NO.
PART NUMBER
DESCRIPTION
QTY.
1
2
3
4
5
6
7
7-1
7-2
8
102230-02
102231-02
102568-01
101332-01
101333-01
098304-01
100701-02
098594-01
098593-01
098249-01
101006-01
101330-05
100999-05
102256-04BR
098271-06
101924-01CB
098867-09
101004-04
097159-02
101007-01
099387-05
101972-01
M11084-38
102668-01
101008-01
101973-01
098276-01
101004-11
M11084-26
098508-01
101628-01
097809-02
098354-01
Front Log (#1)
Rear Log (#2)
Control Valve
Left Front Branch (#4)
Right Front Branch (#5)
Screw, #10 Phillips, Black
O.D.S. Pilot
Ignitor
Thermocouple
Nut
1
1
1
1
1
8
1
1
1
6
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
9
Pilot Bracket
Front Burner
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Rear Burner Assembly
Base Assembly
Ignitor Cable
Firebox Bottom
Gas Regulator
Front Burner Injector
Piezo Ignitor
Crossover Tube
Pilot Tube
Valve and Piezo Bracket
Regulator Hex Screw
Front Burner Tube
Gasket
Inlet Tube
1/8" Plug
Rear Burner Injector
Hex Screw, #10
Valve Retainer Nut
Flex Hose
Adapter
Control Knob
PARTS AVAILABLE — NOT SHOWN
100563-01
101055-02
100565-01
101416-14
101976-02
Warning Plate
1
1
1
1
1
Lighting Instructions Plate
Warning Plate Fastener
Information Video
Control Position Decal
33
102664
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ILLUSTRATED
PARTS
BREAKDOWN
Log Base Assembly
Thermostat-
Controlled
2
1
Models
4
5
7
7-1
7-2
27
19
8
13
9
10
6
8
12
11
8
16
26
6
14
6
3
20
6
18
6
28
15
21
19
24
7-2
13
25
17
22
23
CFG280NT
34
102664
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This list contains replaceable parts used in your fireplace. When ordering parts,
follow the instructions listed under Replacement Parts on page 38 of this manual.
PARTS LIST
Log Base Assembly
Thermostat-
Controlled
Models
CGF280NT
KEY
NO.
PART NUMBER
DESCRIPTION
QTY.
1
2
3
4
5
6
7
102230-02
102231-02
11084-38
101332-01
101333-01
098304-01
100701-02
Front Log (#1)
Rear Log (#2)
Screw
Left Front Branch (#4)
Right Front Branch (#5)
Screw, #10 Phillips, Black
O.D.S. Pilot
Ignitor
Thermocouple
Nut
1
1
2
1
1
8
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
1
7-1 098594-01
7-2 098593-01
098249-01
8
9
101006-01
Pilot Bracket
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
101330-05
100999-02
102256-04BR
098271-06
101924-01CB
098867-09
101004-04
102845-01
101382-01
099387-03
102846-01
097809-02
099211-01
098544-01
101329-16
101381-01
101004-01
M11084-26
101628-01
Front Burner Assembly
Rear Burner Assembly
Base Assembly
Ignitor Cable
Firebox Bottom
Gas Regulator
Front Burner Injector
Inlet Tube
Thermovalve Bracket
Pilot Tube
Burner Tube
Adapter
Screw
Thermostat Clamp
Thermostat Gas Valve Assembly
Cover and Piezo
Rear Burner Injector
Hex Screw, #10
Flex Hose
PARTS AVAILABLE — NOT SHOWN
100563-01
101054-01
100565-01
101416-14
Warning Plate
1
1
1
1
Lighting Instructions Plate
Warning Plate Fastener
Information Video
35
102664
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ILLUSTRATED
PARTS
BREAKDOWN
Fireplace
7
1
6
2
15
4
3
16
13
13
16
8
16
16
13
14
5
19
6
18
17
16
16
9
10
11
16
12
CGF265NVA
CGF280NT
36
102664
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This list contains replaceable parts used in your fireplace. When ordering parts,
follow the instructions listed under Replacement Parts on page 38 of this manual.
PARTS LIST
Fireplace
CGF280NT
CGF265NVA
KEY
NO.
PART NUMBER
DESCRIPTION
QTY.
1
2
3
4
5
6
7
8
101357-01
101373-01
Top Outer Casing
Outer Casing
Right Front Side
Left Front Side
Access Door
1
1
1
1
2
2
1
1
1
1
2
1
4
9
1
63
1
3
2
102923-01CB
102922-01CB
101368-01
101352-01CB
101739-01CB
101375-04BR
101738-01CB
101367-02BR
101348-01
101347-01CB
099230-02
098304-01
101872-03
M11084-26
101746-01
Top Front
Louver Hood
Firebox Wrapper
Lower Louver Assembly
Screen Assembly
Firebox Support
Outer Base
Shoulder Screw
Phillips Pan Head Screw, #10
Firebox Top
Hex Screw, #10
Handle
Brass Screw, #6-20x3/8"
Snap-in Magnet
9
10
11
12
13
14
15
16
17
18
19
100587-01
101784-01
PARTS AVAILABLE — NOT SHOWN
102753-01
100639-01
102865-01
Brass Trim Kit
Caution Decal
Brass Trim Hardware
1
1
1
37
102664
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Note: Use only original replacement parts. This will protect your warranty cover-
REPLACEMENT
PARTS
age for parts replaced under warranty.
Parts Under Warranty
Contact authorized dealers of this product. If they can’t supply original replace-
ment part(s), call DESA International’s Technical Service Department at
1-800-DESA LOG (1-800-337-2564).
When calling DESA International, have ready
• your name
• your address
• model number of your fireplace
• how fireplace was malfunctioning
• type of gas used (propane or natural gas)
• purchase date
Usually, we will ask you to return the defective part to the factory.
Parts Not Under Warranty
Contact authorized dealers of this product or Parts Central (see page 31). If they
can’t supply original replacement part(s), call DESA International’s Parts Depart-
ment at 1-800-972-7879 for referral information.
When calling DESA International, have ready
• model number of your fireplace
• the replacement part number
Purchase these fireplace accessories from your local dealer. If they can not supply
these accessories, call DESA International’s Sales Department at 1-800-432-2382
for information. You can also write to the address listed on the back page of this
manual.
ACCESSORIES
CABINET MANTEL
GMC11F(A) - Walnut Finished
GMC12U(A) - Unfinished
Mantel features moldings, fluted sides and medal-
lion. Available in walnut finished or unfinished
hardwood, ready to stain or paint. Shown with
optional base accessory.
Dimensions (HxWxD): 44" x 57-3/4" x 22-7/8"
HEARTH BASE
G3000F- Walnut Finished
G3001U - Unfinished
The hearth base creates a handsome riser for
the fireplace. Dimensions (HxWxD):
6 1/2" x 58" x 28-9/16"
MANUAL SHUTOFF
VALVE - GA5010
For all models. Manual shutoff valve with 1/8" NPT tap.
Fits 1/2" NPT pipe.
38
102664
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NOTES
39
102664
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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 NATURAL GAS FIREPLACE
DESA International warrants this product to be free from defects in materials and components for one (1) 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 ONE (1) 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:
2701 Industrial Drive
P.O. Box 90004
Bowling Green, KY 42102-9004
102664-01
Rev. B
06/96
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