Comfort Glow Comfort Glow CGD3018N Quick start guide

UNVENTED (VENT-FREE)
NATURAL GAS LOG HEATERS
OWNER’S OPERATION AND
INSTALLATION MANUAL
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Save this manual for future reference.
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BILTMORE SPLIT OAK, SEASONAL OAK, AND
SMOKY MOUNTAIN OAK LOGS
Variable Manually-Controlled Models Also Designed Certied
As Vented Decorative Appliance
18", 24", and 30" Variable
Manually-Controlled Models
CGD3018N CGD3924N
CGD3930N CRL2718N
CCL3924N CRL3124N
CCL3018N
18", 24" and 30"
Thermostatically-Controlled
Models
CGD3924NT CGD3930NT
CGD3018NT CCL3018NT
CCL3924NT CCL3930NTA
Patent Pending
(Smoky Mountain Oak Model Shown)
WARNING: If the information in this manual
is not followed exactly, a fire or explosion
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.
•Do not touch any electrical switch; do
notuse any phonein yourbuilding.
•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: Improper installation, adjustment,
alteration, service, or maintenance can cause
injury or property damage. Refer to this
manual for correct installation and opera-
tional procedures. For assistance or addi-
tional information consult aqualified 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.
WARNING: This appliance is for installation
only in a solid-fuel burning masonry 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 instruc-
tions stating it has not been tested or should
not be used with unvented gas logs.
This appliance may be installed in an aftermarket,* permanently located, manufactured
(mobile) home, where not prohibited by local codes.
This appliance is only for use with type of gas indicated on the rating plate. This appliance
is not convertible for use with other gases.
* Aftermarket: Completion of sale, not forpurpose of resale, from the manufacturer
Allparts Equipment Inc 1-877-475-5660 www.allpartsinc.com September, 2011

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TABLE OF CONTENTS
SAFETY INFORMATION
SAFETY INFORMATION
WARNINGS
IMPORTANT: Read this owner’s manual carefully and
completely before trying to assemble, operate, or ser-
vice this heater. Improper use of this heater can cause
serious injury or death from burns, fire, explosion,
electrical shock, and carbon monoxide poisoning.
Carbon Monoxide Poisoning: Early signs of carbon monoxide
poisoningresembletheflu,withheadaches,dizziness,ornausea.If
you have these signs, the heater may not be working properly. Get
fresh air at once! Have heater serviced. Some people are more
affected by carbon monoxide than others. These include pregnant
women,peoplewithheartorlungdiseaseoranemia,thoseunderthe
influence of alcohol, and those at high altitudes.
Natural Gas: Natural gas is odorless. An odor-making agent is
addedtothegas.The odorhelpsyoudetectagasleak.However,the
odor added to the gas can fade. Gas may be present even though no
odor exists.
Make certain you read and understand all warnings. Keep this
manual for reference. It is your guide to safe and proper operation
of this heater.
DANGER: Carbon monoxide poisoning may lead
to death!
WARNING: Any change to this heater or its con-
trols can be dangerous.
WARNING: Donot allowfans toblow directlyinto
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.
WARNING: Do not use a blower insert, heat
exchangerinsertorotheraccessorynotapprovedfor
use with this heater.
Due to high temperatures, the appliance should be
located out of traffic and away from furniture and
draperies.
Do not place clothing or other flammable material on
ornearthe appliance.Neverplace anyobjectson the
heater.
Heater base assembly becomes very hot when run-
ning heater. Keep children and adults away from hot
surface to avoid burns or clothing ignition. Heater
will remain hot for a time after shutdown. Allow
surface to cool before touching.
Carefully supervise young children when they are in
the room with heater.
You must operate this heater with a fireplace screen
in place. Make sure fireplace screen is closed before
running heater.
Keepthe appliance area clear andfree fromcombus-
tiblematerials,gasoline,andotherflammablevapors
and liquids.
TABLE OF CONTENTS
SAFETY INFORMATION ............................................................ 2
PRODUCT IDENTIFICATION ..................................................... 3
UNPACKING ............................................................................... 4
LOCAL CODES........................................................................... 4
PRODUCT FEATURES .............................................................. 4
AIR FOR COMBUSTION AND VENTILATION ........................... 4
INSTALLATION ........................................................................... 7
OPERATING HEATER.............................................................. 17
INSPECTING BURNERS.......................................................... 20
CLEANING AND MAINTENANCE ............................................ 20
SPECIFICATIONS .................................................................... 21
TROUBLESHOOTING .............................................................. 22
OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB .. 25
ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST ....... 26
REPLACEMENT PARTS .......................................................... 36
SERVICE HINTS....................................................................... 36
TECHNICAL SERVICE ............................................................. 36
ACCESSORIES ........................................................................ 36
OWNER’S REGISTRATION ..................................................... 37
PARTS CENTRAL..................................................................... 39
WARRANTY INFORMATION...................................... Back Cover

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3
SAFETY INFORMATION
PRODUCT IDENTIFICATION
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.
2. This heater shall not be installed in a bedroom or bathroom,
unless installed as a vented appliance (Variable Manually-Con-
trolled Models Only). See Installing Damper Clamp Acces-
sory for Vented Operation, page 10.
3. 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
4. Before installing in a solid fuel burning fireplace, the chimney
flue and firebox must be cleaned of soot, creosote, ashes, and
loose paint by a qualified chimney cleaner. Creosote will ig-
nite if highly heated. Inspect chimney flue for damage. If dam-
aged, operate heater with flue damper closed.
5. If fireplace has glass doors, never operate this heater with glass
doors closed. If you operate heater with doors closed, heat
buildup inside fireplace will cause glass to burst. Also if fire-
place opening has vents at the bottom, you must open the vents
before operating heater.
6. This log heater is designed to be smokeless. If logs ever appear
to smoke, turn off heater and call a qualified service person.
Note: During initial operation, slight smoking could occur due
to log curing and heater burning manufacturing residues.
7. Topreventthecreationofsoot,followtheinstructionsinClean-
ing and Maintenance, page 20.
8. Before using furniture polish, wax, carpet cleaner, or similar
products, turn heater off. If heated, the vapors from these prod-
ucts may create a white powder residue within burner box or
on adjacent walls or furniture.
9. This heater needs fresh, outside air ventilation to run properly.
This heater has an Oxygen Depletion Sensing (ODS) safety
shutoff system. The ODS shuts down the heater if not enough
fresh air is available. See Air for Combustion and Ventilation,
pages 4 through 6. If heater keeps shutting off, see Trouble-
shooting, pages 22 through 24.
10. Do not run heater
• where flammable liquids or vapors are used or stored
• under dusty conditions
11. Do not use this heater to cook food or burn paper or other objects.
12. Do not use heater if any part has been exposed to or under
water. Immediately call a qualified service technician to in-
spect the room heater and to replace any part of the control
system and any gas control which has been under water.
SAFETY INFORMATION
Continued
PRODUCT IDENTIFICATION
Figure 1 - Vent-Free Gas Log Heater - Duel Burner (Logs May
Vary by Model - Smoky Mountain Oak Logs Shown)
Front Log
Control Knob
Back Log
Base Grate
Burner
Piezo Ignitor
Crossover Log
Middle
Log
13. Do not operate heater if any log is broken. Do not operate
heater if a log is chipped (dime-sized or larger).
14. Turn heater off and let cool before servicing. Only a qualified
service person should service and repair heater.
15. Operating heater above elevations of 4,500 feet could cause
pilot outage.
16. Provide adequate clearances around air openings.
Figure 2 - Vent-Free Gas Log Heater - Single Burner (Logs May
Vary by Model - Seasonal Oak Model Shown)
Front Log
Control Knob
Back Log
Burner
Piezo Ignitor
Crossover Log

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LOCAL CODES
Install and use heater with care. Follow all local codes. In the
absence of local codes, use the latest edition of The National Fuel
Gas Code, ANSI Z223.1/NFPA 54*.
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
Note: Where listed vented decorative logs are required, thermo-
stat models are not permitted.
UNPACKING
LOCAL CODES
PRODUCT FEATURES
Operation
Safety Pilot
Piezo Ignition System
AIR FOR COMBUSTION AND VENTILATION
PRODUCT FEATURES
OPERATION
Thisheateriscleanburning.Itrequiresnooutsideventing.There is
noheatlossoutaventorupachimney.Heatisgeneratedbyrealistic,
dancing yellow flames. This heater is designed for vent-free opera-
tion with flue damper closed. It has been tested and approved to
ANSIZ21.11.2standardforunventedheaters.Stateandlocalcodes
in some areas prohibit the use of vent-free heaters. Non-thermostat
modelsmayalsobe operatedasaventeddecorative (ANSI Z21.60)
product by opening flue damper.
SAFETY PILOT
This heater has a pilot with an Oxygen Depletion Sensing (ODS)
safety shutoff system. The ODS/pilot is a required feature for vent-
free room heaters. The ODS/pilot shuts off the heater if there is not
enough fresh air.
PIEZO IGNITION SYSTEM
This heater has a piezo ignitor. This system requires no matches,
batteries, or other sources to light heater.
AIR FOR COMBUSTION AND
VENTILATION
WARNING: This heater shall not be installed in a
confined space or unusually tight construction un-
less provisions are provided for adequate combus-
tion and ventilation air. Read the following instruc-
tionstoinsureproperfreshairforthisandotherfuel-
burning appliances in your home.
Today’s homes are built more energy efficient than ever. New
materials,increasedinsulation,andnewconstructionmethods help
reduce heat loss in homes. Home owners weather strip and caulk
aroundwindowsanddoorstokeepthe cold air out and thewarmair
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.
Exhaustfans,fireplaces,clothesdryers,andfuelburningappliances
drawairfromthehousetooperate.Youmustprovideadequatefresh
air for these appliances. This will insure proper venting of vented
fuel-burning appliances.
PROVIDING ADEQUATE VENTILATION
The following are excerpts from National Fuel Gas Code, ANSI
Z223.1/NFPA 54, Section 5.3, Air for Combustion and Ventilation.
All spaces in homes fall into one of the three following ventilation
classifications:
1. Unusually Tight Construction
2. Unconfined Space
3. Confined Space
The information on pages 4 through 6 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 andceilings exposedto the outside atmosphere
have a continuous water vapor retarder with a rating
of one perm (6 x 10-11 kg per pa-sec-m2) or less with
openings gasketed or sealed and
b. weather stripping has been added on openable win-
dows and doors and
UNPACKING
CAUTION:Donotremovethedataplatesfromthe
grate assembly. The data plates contain important
product information.
1. Remove logs and heater base assembly from carton.
Note: Do
not pick up heater base assembly by burners. This could dam-
age heater. Always handle base assembly by grate.
2. Remove all protective packaging applied to logs and heater
for shipment.
3. Check all items for anyshippingdamage.Ifdamaged,promptly
inform dealer where you bought heater.

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5
AIR FOR COMBUSTION AND VENTILATION
Providing Adequate Ventilation (Cont.)
Determining Fresh-Air Flow For Heater Location
c. caulking or sealants are applied to areas such as
joints around window and door frames, between sole
platesand floors,betweenwall-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 additional fresh air. See Ventilation Air
From Outdoors
, page 6.
If your home does not meet all of the three criteria above,
proceedto DeterminingFresh-AirFlowforHeaterLocation .
Confined and Unconfined Space
The National Fuel Gas Code, ANSI Z223.1/NFPA 54 defines a
confined space as a space whose volume is less than 50 cubic feet
per 1,000 Btu per hour (4.8 m3per kw) of the aggregate input rating
of all appliances installed in that space and an unconfined space as
aspacewhosevolumeisnotlessthan50cubicfeetper1,000Btuper
hour (4.8 m3per kw) of the aggregate input rating of all appliances
installed in that space. Rooms communicating directly with the
space in which the appliances are installed*, through openings not
furnishedwithdoors, areconsideredapart oftheunconfinedspace.
* Adjoining rooms are communicating only if there are doorless
passageways or ventilation grills between them.
AIR FOR COMBUSTION
AND VENTILATION
Continued
DETERMINING FRESH-AIR FLOW FOR
HEATER LOCATION
Determining if You Have a Confined or
Unconfined Space
Usethis worksheet todetermineifyouhave aconfinedorunconfinedspace.
Space:Includestheroominwhichyouwillinstallheaterplusanyadjoining
rooms with doorless passageways or ventilation grills between 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)
Ifadditional ventilationtoadjoiningroomis suppliedwith grillsoropen-
ings, add the volume of these rooms to the total volume of the space.
2. Multiply the space volume by 20 to determine the maximum Btu/Hr
the space can support.
__________ (volume of space) x 20 = (Maximum Btu/Hr the space
can support)
Example: 2560 cu. ft. (volume of space) x 20 = 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 _____________ Btu/Hr
Gas water heater* _____________ Btu/Hr
Gas furnace _____________ Btu/Hr
Vented gas heater _____________ Btu/Hr
Gas fireplace logs _____________ Btu/Hr
Other gas appliances* + _____________ Btu/Hr
Total = _____________ Btu/Hr
* Do not include direct-vent gas appliances. Direct-vent draws com-
bustion air from the outdoors and vents to the outdoors.
Example:
Gas water heater _____________ Btu/Hr
Vent-free heater + _____________ Btu/Hr
Total = _____________ Btu/Hr
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)
Thespacein theabove exampleisa confinedspace because theactual Btu/
Hrusedis morethanthemaximum Btu/Hrthespacecan support.Youmust
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 adjoining
roomoradd ventilationgrills betweenrooms.SeeVentilationAir From
Inside Building, page 6.
B. Vent room directly to the outdoors. See Ventilation Air From Out-
doors, page 6.
C. Installalower Btu/Hrheater, if lowerBtu/Hr sizemakesroom 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.
40,000
39,000
79,000
WARNING: If the area in which the heater may be
operated is smaller than that defined as an uncon-
fined space or if the building is of unusually tight
construction,provideadequatecombustionandven-
tilation air by one of the methods described in the
National Fuel Gas Code, ANSI Z223.1/NFPA 54, Sec-
tion 5.3 or applicable local codes.

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AIR FOR COMBUSTION AND VENTILATION
Ventilation Air
AIR FOR COMBUSTION AND
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, ANSI Z223.1/NFPA 54, Section 5.3, Air for Combustion
and Ventilation for required size of ventilation grills or ducts.
Ventilation Air From Outdoors
Provideextrafreshairbyusingventilationgrillsorducts.Youmust
provide two permanent openings: one within 12" of the ceiling and
one within 12" of the floor. Connect these items directly to the
outdoorsorspacesopentotheoutdoors. Thesespacesincludeattics
and crawl spaces. Follow the National Fuel Gas Code, ANSI
Z223.1/NFPA 54, Section 5.3, Air for Combustion and Ventilation
for required size of ventilation grills or ducts.
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.
Figure 4 - Ventilation Air from Outdoors
Figure 3 - Ventilation Air from Inside Building
Outlet
Air Ventilated
Attic
Outlet
Air
Inlet
Air
Inlet Air Ventilated
Crawl Space
To
Crawl
Space
To Attic
Or
Remove
Door into
Adjoining
Room,
Option
3
Ventilation Grills
Into Adjoining Room,
Option 2
Ventilation
Grills
Into Adjoining
Room,
Option 1
12"
12"

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7
INSTALLATION
Check Gas Type
Installation And Clearances (Vent-Free Operation Only)
INSTALLATION
WARNING: A qualified service person must in-
stall heater. Follow all local codes.
WARNING: Before installing in a solid fuel burn-
ing fireplace, the chimney flue and firebox must be
cleaned of soot, creosote, ashes, and loose paint by
a qualified chimney cleaner. Creosote will ignite if
highly heated. A dirty chimney flue may create and
distribute soot within the house. Inspect chimney
flue and firebox for damage. If damaged, operate
heater with flue damper closed.
WARNING: Seal any fresh air vents or ash clean-
out doors located on floor or wall of fireplace. If not,
draftingmaycausepilotoutageorsooting.Useaheat-
resistant sealant. Do not seal chimney flue damper.
WARNING: Never install the heater
•in a bedroom or bathroom unless installed as a
vented appliance (Variable Manually-Controlled
Models Only) (see page 10)
•in a recreational vehicle
•where curtains, furniture, clothing, or other flam-
mable objects are less than 42 inches from the
front, top, or sides of the heater
•in high traffic areas
•in windy or drafty areas
CAUTION: This heater creates warm air currents.
These currents move heat to wall surfaces next to
heater. Installing heater next to vinyl or cloth wall
coveringsoroperatingheaterwhereimpurities(such
as, but not limited to, tobacco smoke, aromatic
candles, cleaning fluids, oil or kerosene lamps, etc)
in the air exist, may discolor walls or cause odors.
CHECK GAS TYPE
Useonlynaturalgas.Ifyourgassupplyisnotnaturalgas,donotinstall
heater. Call dealer where you bought heater for proper type heater.
IMPORTANT: Vent-freeheatersaddmoisturetotheair.Although
this is beneficial, installing heater in rooms without enough venti-
lation air may cause mildew to form from too much moisture. See
Air for Combustion and Ventilation, pages 4 through 6.
NOTICE: State or local codes may only allow opera-
tionofthisapplianceinaventedconfiguration.Check
your state or local codes.
NOTICE: This heater is intended for use as supple-
mental heat. Use this heater along with your primary
heating system. Do not install this heater as your
primary heat source. If you have a central heating
system, you may run system’s circulating blower
while using heater. This will help circulate the heat
throughoutthehouse.Intheeventofapoweroutage,
you can use this heater as your primary heat source.
INSTALLATION AND
CLEARANCES (Vent-Free Operation Only)
WARNING: Maintain the minimum clearances. If
you can, provide greater clearances from floor, ceil-
ing, and adjoining wall.
Minimum Fireplace Clearance To Combustible Materials
Log Size Side Wall Ceiling
18", 24", 30" 16" 42"
LOG SIZING REQUIREMENTS
Minimum Firebox Size
Log Front Rear*
Size Height Depth Width Width
18" 17" 14" 24" 20"
24" 17" 14" 28" 21"
30" 17" 14" 34" 24"
*Measured at 14" Depth
Carefullyfollowtheinstructionsstartingonpage8.Thiswillensure
safe installation into a masonry, UL127-listed manufactured fire-
place, or certified vent-free firebox.

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Heat Resistant
Material (A)
Minimum Noncombustible Material Clearances
If Not Using Mantel
Note: If using a mantel, proceed to If Using Mantel. If not using a
mantel, follow the information below.
You must have noncombustible material(s) above the fireplace
opening.Noncombustiblematerials(suchasslate,marble,tile,etc.)
must be at least 1/2 inch thick. With sheet metal, you must have
noncombustible material behind it. Noncombustible material must
extend at least 8" up (for all models). If noncombustible material is
lessthan12",youmustinstallthefireplacehoodaccessory(24"and
30" models only). See Figure 6 for minimum clearances.
IMPORTANT: If you cannot meet these minimum clearances, you
must operate heater with chimney flue damper open. Go to Install-
ing Damper Clamp Accessory for Vented Operation, page 10.
Noncombustible Requirements for
Material Distance (A) Safe Installation
12" or more Noncombustible material okay.
Between 8" and 12" 24" or 30" Models: Install
fireplace hood accessory
(GA6050, GA6052, or GA6053
see Accessories, page 36).
18" Model: Noncombustible
material okay.
Less than 8" Noncombustible 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.
Figure 6 - Heat Resistant Material (Slate, Marble, Tile, etc.)
Above Fireplace
INSTALLATION
Continued
INSTALLATION
Installation And Clearances (Vent-Free Operation Only) (Cont.)
NOTICE: Manual control heaters may be used as a
ventedproduct.Ifso,youmustalwaysrun heaterwith
chimney flue damper open. If running heater with
damper open, noncombustible material above fire-
place opening is not needed. Go to Installing Damper
Clamp Accessory for Vented Operation , page 10.
Figure 5 - Minimum Clearance for Combustible to Wall
*Minimum 16 inches from Side Wall
*
Example
Minimum Clearances For Side Combustible
Material, Side Wall, and Ceiling
A. Clearances from the side of the fireplace cabinet to any com-
bustible material and wall should follow diagram in Figure 5.
Example: The face of a mantel, bookshelf, etc. is made of
combustible material and protrudes 3 1/2" from the wall. This
combustible material must be 4" from the side of the fireplace
opening (see Figure 5).
Note: When installing your gas logs into a manufactured fire-
box, follow firebox manufacturer’s instructions for minimum
clearances to combustible materials.
B. Clearances from the top of the fireplace opening to the ceiling
should not be less than 42 inches.
If Using Mantel
You must have noncombustible material(s) above the fireplace
opening.Noncombustiblematerials(suchasslate,marble,tile,etc.)
must be at least 1/2 inch thick. With sheet metal, you must have
noncombustible material behind it. Noncombustible material must
extend at least 8 inches up (for all models). If noncombustible
material is less than 12", you must install the fireplace hood
accessory (24" and 30" models only). Even if noncombustible
material is more than 12", you may need the hood accessory to
deflect heat away from your mantel shelf. See Figure 6 and Figures
7 and 8 on page 9 for minimum clearances.
IMPORTANT: If you cannot meet these minimum clearances, you
must operate heater with chimney flue damper open. Go to Install-
ing Damper Clamp Accessory for Vented Operation, page 10.

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INSTALLATION
Continued
MANTEL CLEARANCES
In addition to meeting noncombustible material clearances, you
must also meet required clearances between fireplace opening and
mantelshelf.IfyoudonotmeettheclearanceslistedinFigure7,you
will need a hood.
Determining Minimum Mantel Clearance
If you meet minimum clearance between mantel shelf and top of
fireplace opening, a hood is not required (see Figure 7).
Determining Minimum Mantel Clearance When
Using a Hood
If minimum clearances in Figure 7 are not met, you must have a
hood. When using a hood there are still certain minimum mantel
clearances required. Follow minimum clearances shown in Fig-
ure 8 when using hood.
NOTICE:Surface temperatures ofadjacent wallsand
mantels become hot during operation. Walls and
mantels above the firebox may become hot to the
touch. If installed properly, these temperatures meet
the requirement of the national product standard.
Followallminimumclearancesshowninthismanual.
NOTICE: If your installation does not meet the mini-
mum clearances shown, you must do one of the
following:
•operate the logs only with the flue damper open
•raise the mantel to an acceptable height
•remove the mantel
FLOOR CLEARANCES
A. If installing appliance on the floor level, you must maintain the
minimum distance of 14" to combustibles (see Figure 9).
B. If combustible materials are less than 14" to the fireplace, you
must install appliance at least 5" above the combustible floor-
ing (see Figure 10).
INSTALLATION
Mantel Clearances
Floor Clearances
Figure 7 - Minimum Mantel Clearances Without Using Hood
Minimum Non-
Combustible
Material
Minimum Non-
Combustible
Material Height
Distances to
Underside of
Mantel
Top of Fireplace
Opening
Underside of
Mantel Shelf
Mantel Shelf
12"
8"
(A)
18"
8"
20"
14"
22"
17"
24"
20"
All minimum
distances are
in inches
Log Set
24"/30" Models
18" Model
2
1/2
"
6"
8"
10"
14"
Min.
Combustible
Material
Noncombustible Material
Hearth
5"
Min.
Combustible
Material
Figure 10 - Minimum Fireplace Clearances Above Combustible
Flooring
Figure 8 - Minimum Mantel Clearances When Using Hood
Minimum Non-
Combustible
Material 8"
Min. 12" 15" 18"
All minimum
distances are
in inches
Log Set
18", 24", 30"
Models
20"
2
1/2
"
6"
8"
10"
12"
Distances to
Underside of
Mantel
Hood
(GA6050, GA6052)
Top of Fireplace
Opening
Underside of
Mantel Shelf
Mantel Shelf
Figure9-MinimumFireplaceClearancesIfInstalledatFloorLevel
(GA6050, GA6052,
and GA6053)
All Models

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10
INSTALLING DAMPER CLAMP ACCESSORY
FOR VENTED OPERATION
Note: When used as a vented heater, appliance must be installed
only in a solid-fuel burning fireplace with a working flue and
constructed of noncombustible material.
If your heater is a manually-controlled model, you may use this
heater as a vented product. There are three reasons for operating
your heater in the vented mode.
1. The fireplace does not meet the clearance to combustibles
requirements for vent-free operation.
2. State or local codes do not permit vent-free operation.
3. You prefer vented operation.
If reasons number 1 or 2 above apply to you, you must permanently
open chimney flue damper. You must install the damper clamp
accessory(toorder,seeAccessories,page36).Thiswillinsurevented
operation(seeFigure11).Thedamperclampwillkeepdamperopen.
Installation instructions are included with clamp accessory.
See charts in column 2 for minimum permanent flue opening you
mustprovide.Attachdamperclampsotheminimumpermanentflue
opening will be maintained at all times.
Chimney Minimum Permanent
Height (ft.) Flue Opening (sq. ins.)
6' to 15' 39 sq. inches
15' to 30' 29 sq. inches
Area of Various Standard Round Flues
Diameter (ins.) Area (sq. ins.)
5" 20 sq. inches
6" 29 sq. inches
7" 39 sq. inches
8" 51 sq. inches
INSTALLATION
Continued
INSTALLATION
Installing Damper Clamp Accessory For Vented Operation
Installing Heater Base Assembly
INSTALLING HEATER BASE ASSEMBLY
WARNING: If installing in a sunken fireplace,
special care is needed. You must raise the fireplace
floortoallowaccesstoheatercontrolpanel.This will
insure adequate air flow and guard against sooting
and controls from being damaged. Raise fireplace
floorwith noncombustible material.Make suremate-
rial is secure.
CAUTION: Do not pick up heater base assembly
bytheburner.Thiscoulddamageheater.Onlyhandle
base assembly by grates.
WARNING: You must secure this heater to fire-
place floor. If not, heater will move when you adjust
controls. Moving heater may cause a gas leak or log
misplacement.
CAUTION:Donotremovethedataplatesattached
totheheaterbaseassembly. Thedataplates contain
important warranty and safety information.
IMPORTANT: Make sure the heater burners are level. If heater is
not level, heater will not work properly. For thermostat models,
avoid damage to thermostat bulb. Avoid nicks or sharp bends in
thermostat bulb wire. Keep thermostat bulb in mounting bracket
until ready to mount base to floor. See Optional Positioning Of
Thermostat Sensing Bulb, page 25.
Installation Items Needed
• hardware package (provided with heater)
• approvedflexiblegashose(notprovided)(ifallowedbylocal codes)
• sealant resistant to propane (propane/LP) gas, not provided
• electric drill with 3/16" drill bit
• flathead screwdriver
Figure 11 - Attaching Damper Clamp
Manufactured FireplaceMasonry Fireplace
Damper
Damper Clamp
Damper
Damper Clamp
Damper

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11
11
INSTALLATION
Continued
INSTALLATION
Installing Heater Base Assembly (Cont.)
Connecting To Gas Supply
1. Apply pipe joint sealant lightly to male threads of the fitting to
be threaded into gas regulator. Connect approved flexible gas
hose to gas regulator of heater (see Figure 12).
IMPORTANT: Hold gas regulator with wrench when connect-
ing flexible gas hose.
2. Locate masonry screws in hardware package.
3. Position heater base assembly in fireplace.
4. Place logs in their proper position on heater base, see Installing
Logs on pages 13 through 16.
5. Center heater base and logs front-to-back and side-to-side in
fireplace.
6. Carefully remove logs without moving heater base.
7. Mark screw locations through holes in mounting brackets (see
Figure 13 or 14). If installing in a brick-bottom fireplace, mark
screw locations in mortar joint of bricks.
8. Remove heater base from fireplace.
9. Drill holes at marked locations using 3/16" drill bit.
10. Attach base assembly to fireplace floor using two masonry
screws (in hardware package) (see Figures 13 or 14).
Figure 13 - Attaching Base Assembly to Fireplace Floor - Dual
Burner Model
Figure14- AttachingBaseAssemblyto FireplaceFloor-Single
Burner Model
Heater Gas
Regulator
Flexible Gas Hose
(if allowed by local
codes)
Figure12-AttachingFlexibleGasHosetoHeaterGasRegulator
Fitting
Masonry
Screw
Mounting
Bracket
Masonry
Screw
Mounting
Bracket
CONNECTING TO GAS SUPPLY
WARNING: A qualified service person must con-
nect heater to gas supply. Follow all local codes.
Installation Items Needed
Beforeinstallingheater, makesureyouhave theitemslistedbelow.
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
* A CSA design-certified equipment shutoff valve with 1/8" NPT
tap is an acceptable alternative to test gauge connection. Purchase
the optional CSA design-certified equipment shutoff valve from
your dealer. See Accessories, page 36.
CAUTION: Use only new, black iron or steel pipe.
Internally-tinnedcoppertubingmaybeusedincertain
areas. Check your local codes. Use pipe of 1/2" diam-
eter or greater to allow proper gas volume to heater. If
pipe is too small, undue loss of volume will occur.
WARNING: Never connect heater to private (non-
utility) gas wells. This gas is commonly known as
wellhead gas.
WARNING: This appliance requires a 1/2" NPT
(National Pipe Thread) inlet connection to the pres-
sure regulator.

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12
INSTALLATION
Connecting To Gas Supply (Cont.)
Checking Gas Connections
CAUTION: Avoid damage to regulator. Hold gas
regulator with wrench when connecting it to gas
piping and/or fittings.
WARNING: Use pipejoint sealantthatis resistant
to liquid petroleum (LP) gas.
Figure 15 - Gas Connection
* Purchase the optional CSA design-certified equipment shutoff
valve from your dealer. See Accessories, page 36.
** Minimum inlet pressure for purpose of input adjustment.
INSTALLATION
Continued
Tee
Joint
Pipe
Nipple
Cap
3" Minimum
Sediment Trap
Gas
Regulator
From Gas Meter
(5" W.C.** to
10.5" W.C.
Pressure)
CSA Design-Certified Equipment
Shutoff Valve With 1/8" NPT Tap*
Approved Flexible
Gas Hose (if allowed
by local codes)
We recommend that you install a sediment trap in supply line as
showninFigure15.Locatesedimenttrapwhereitiswithinreachfor
cleaning. Install in piping system between fuel supply and heater.
Locatesedimenttrapwheretrappedmatteris 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.
WARNING: Never use an open flame to check for
aleak.Applyanoncorrosiveleakdetectionfluidtoall
joints.Bubblesformingshowaleak.Correctallleaks
at once.
WARNING: Test all gas piping and connections
forleaksafterinstallingorservicing.Correctallleaks
at once.
CHECKING GAS CONNECTIONS
Pressure Testing Gas Supply Piping system
Test Pressures In Excess Of 1/2 PSIG
(3.5 kPa)
1. Disconnect appliance with its appliance main gas valve (control
valve) and equipment shutoff valve from gas supply piping sys-
tem. Pressures in excess of 1/2 psig will damage heater regulator.
2. Cap off open end of gas pipe where equipment 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 a noncor-
rosive leak detection fluid to gas joints. Bubbles forming show
a leak.
5. Correct all leaks at once.
6. Reconnect heater and equipment shutoff valve to gas supply.
Check reconnected fittings for leaks.
Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)
1. Close equipment shutoff valve (see Figure 16).
2. Pressurize supply piping system by either using compressed
air or opening main gas valve located on or near gas meter.
3. Check all joints from gas meter to equipment shutoff valve
(see Figure 17, page 13). Apply a noncorrosive leak detection
fluid to gas joints. Bubbles forming show a leak.
4. Correct all leaks at once.
Figure 16 - Equipment Shutoff Valve
O
POS
PO
Open
Closed
Equipment
Shutoff Valve
Installation must include an equipment 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 15).
IMPORTANT: Install equipment shutoff valve in an accessible
location. The equipment valve is for turning on or shutting off the
gas to the appliance.
Checkyourbuildingcodesforanyspecialrequirementsforlocating
equipment shutoff valve to fireplaces.
Apply pipe joint sealant lightly to male NPT threads. This will
prevent excess sealant from going into pipe. Excess sealant in pipe
could result in clogged heater valves.

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13
3
INSTALLATION
Checking Gas Connections (Cont.)
Installing Logs
INSTALLATION
Continued
Pressure Testing Heater Gas Connections
1. Open equipment shutoff valve (see Figure 16, page 12).
2. Open main gas valve located on or near gas meter.
3. Make sure control knob of heater is in the OFF position.
4. Check all joints from equipment shutoff valve to control valve
(see Figure 17). Apply a noncorrosive leak detection fluid to
gas joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Light heater (see Operating Heater, pages 17 and 18 [manu-
ally-controlled models] or pages 18 through 20 [thermostati-
cally-controlledmodels]).Check allotherinternal jointsforleaks.
7. Turn off heater (see To Turn Off Gas to Appliance, page 18
[manually-controlledmodels]orpage19[thermostatically-con-
trolled models]).
Figure 17 - Checking Gas Joints
Gas Meter
Equipment
Shutoff Valve
Thermostat Gas Valve or
Control Valve Location
WARNING: Failure to position the parts in accor-
dancewiththesediagramsorfailuretouseonlyparts
specifically approved with this heater may result in
property damage or personal injury.
INSTALLING LOGS
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.
CAUTION:Afterinstallationandperiodicallythere-
after,checkto ensurethatno flamecomesin contact
withany log. Withthe heater setto high,check to see
if flames contact any log. If so, reposition logs ac-
cording to the log installation instructions in this
manual. Flames contacting logs will create soot.
Dual Burner Smoky Mountain Oak Models
1. Locate pins on the bottom of back log (#1). Slide these pins into
the holes in the grate base behind the burner (see Figure 18).
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.
3. Locate the recesses on the back of the front log (#3). Fit these
recesses between 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 crossover log lines up with rectan-
gular knobs on top of the middle and front logs (see Figure 21).
5. Place lava rock around base of heater if desired. Do not put
lava rock on logs on burner.
Figure18-InstallingBackLog
(#1) Figure19-InstallingMiddleLog
(#2)
Pin
Hole in
Grate
Base
Back
Log (#1)
Burner
Tab
Middle Log (#2)
Burner U-Shaped Slot “U”Bend
Cutout
Figure20-InstallingFrontLog
(#3)
Front Log (#3)
Post
Figure 21 - Installing
Crossover Log (#4)
Notches
Rectangular
Knobs
Recess
Crossover
Log (#1)

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14
INSTALLATION
Installing Logs (Cont.)
INSTALLATION
Continued
Dual Burner Premium Aged Split Oak Models
WARNING: Failure to position the parts in accor-
dancewiththesediagramsorfailuretouseonlyparts
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. Place the base of the middle log (#1) in the U-shaped slots of
the grate base. The cutout on the right of the middle log should
fit over the burner (see Figure 22). Make sure the front of the
middle log is resting on the tabs of the grate base and the cut-
out area is centered over the burner “U” bend.
2. Locate pins on the bottom of back log (#2). Slide these pins into
the holes in the grate base behind the burner (see Figure 23).
3. Place crossover log (#3) onto the pin (right) on middle log
(#1) and into the recess of the back log (#2). See Figure 24.
4. Locate the notches in the bottom of the 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.
5. With knot to right side, place smaller log piece (#5) over the
pin on the left side of the middle log. The smaller log will rest
on front log against the "knot" on the left. See Figure 26.
6. Place lava rock around base of heater if desired. Do not put
lava rock on logs on burner.
Burner
Tab
U-Shaped
Slot
Middle Log (#1)
“U”Bend
Pin
Hole in
Grate
Base
Back Log (#2)
Burner
Figure 22 - Installing Middle Log (#1)
Figure 23 - Installing Back
Log (#2)
Crossover
Log (#3)
Pin
Recess
Figure24-InstallingCrossover
Log (#3)
Front Log (#4)
Grate Fingers
Notches
Figure25-InstallingFrontLog
(#4) Figure26-InstallingLogPiece
(#5)
Pin
Log Piece
(#5)
Dual Burner Biltmore Split Oak Models
WARNING: Failure to position the parts in accor-
dancewiththesediagramsorfailuretouseonlyparts
specifically approved with this heater may result in
property damage or personal injury.
CAUTION:Afterinstallationandperiodicallythere-
after,checkto ensurethatno flamecomesin contact
with any log. With the heater set to HI, check to see if
flames contact any log. If so, reposition logs accord-
ing to the log installation instructions in this manual.
Flames contacting logs will create soot.

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15
INSTALLATION
Installing Logs (Cont.)
INSTALLATION
Continued
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. Place the front log (#1) on the grate fingers. Make sure the
front log rests firmly between the grate fingers and the grate
base (see Figure 27).
2. Place the base of the middle log (#2) in the U-shaped slots of
the grate base. The cutout on the right of the middle log should
fit over the burner (see Figure 28). Make sure the front of the
middle log is resting on the tabs of the grate base.
3. Locate pins on the bottom of back log (#3). Slide these pins into
the holes in the grate base behind the burner (see Figure 29).
4. Locate holes on the bottom of crossover log (#4). Slide front
holeontotheleftpin (CCL3924NTorCCL3930NTA)ormiddle
pin (CCL3018NT or CCL3018N) on the middle log (#2) and
the pin on the back log (#3). See Figure 30 for placement.
5. For CCL3924NT and CCL3930NTA Only: Locate pin and hole
on the bottom of crossover log (#5). Slide the pin into the hole
located in crossover log (#4). Slide the hole onto the pin on
front log (#1). See Figure 31.
For CCL3018NT and CCL3018N Only: Locate holes on the
bottom of crossover log (#5). Slide the holes over the left pins
on middle log (#2) and front log (#1). See Figure 32.
6. Locate holes on the bottom of crossover log (#6). Slide these
holes onto the right pins located in middle log (#2) and front
log (#1). See Figure 33.
7. For CCL3930NTA only: Locate holes on the bottom of cross-
over log (#7). Slide onto the pins located in crossover log (#6)
and middle log (#2). See Figure 34.
8. Add lava rock around base of heater if desired. Do not place
any lava rock on logs or burner.
Figure27-Installing FrontLog
(#1) (CCL3930NTA Shown)
Front Log (#1)
Grate
Fingers
Grate Base
Figure28-InstallingMiddleLog
(#2) (CCL3930NTA Shown)
Middle Log (#2)
Tab
Burner
U-Shaped
Slot
Figure 29 - Installing Rear Log
(#3) (CCL3930NTA Shown)
Hole in
Grate
Base
Pins
Burner
Figure30-InstallingCrossover
Log(#4)(CCL3930NTAShown)
Log #2 Log #3
Pins Log #4
Figure31-InstallingCrossover
Log(#5)(CCL3930NTAShown)
Crossover
Log (#4)
Front Log (#1) Front
Log (#1)
Crossover
Log (#4)
Figure32-InstallingCrossover
Log (#5) (CCL3018NT and
CCL3018N Only)
6
Figure33-InstallingCrossover
Log(#6)(CCL3930NTAShown)
Pins
Log #2
Front Log (#1)
7
Figure34-InstallingCrossover
Log(#7)toModelCCL3930NTA
Only
Middle
Log (#2)
Crossover
Log (#6)
Holes
Pins

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16
Single Burner Seasonal Oak Models
WARNING: Failure to position the parts in accor-
dancewiththesediagramsorfailuretouseonlyparts
specifically approved with this heater may result in
property damage or personal injury.
INSTALLATION
Installing Logs (Cont.)
INSTALLATION
Continued
TheSeasonalOakLogSetisareversiblelogset.Thismeansthatthe
twobottom logs may be turned to face either direction. The top log,
however, must remain in the same position. Do not modify logs.
Only use logs supplied with heater.
1. Place the back log onto the back of the base assembly. Make
sure log sits forward against the two posts in front of log (see
Figure 35). This log may be turned to face either direction.
2. Place the front log onto grate on front of base assembly. The
log will fit down between grate fingers and posts on front of
base assembly (see Figure 36). This log may be turned to face
either direction.
3. Place the crossover log on top of the back log and front log
making sure pins are inserted into holes on top of logs 1 and 2.
This log must be placed as shown in the Figure 37 or the pins
will not seat into holes.
4. Add lava rock around base of heater if desired. Do not put lava
rock on logs or burner.
Figure 35 - Installing Back Log
Figure 36 - Installing Front Log
Front Log
Grate
Fingers
Figure 37 - Installing Crossover Log
Back Log
Post
Post
Post
Base
Assembly
Post
Base
Assembly
Crossover Log
Hole in Back Log
Hole in
Front Log

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17
17
OPERATING HEATER (Manually Controlled Models)
For Your Safety Read Before Lighting
Lighting Instructions
WARNING:Ifyoudonot follow theseinstructions
exactly, a fire or explosion may result causing prop-
erty 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 IFYOU 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. Useonly yourhandto push in or turnthe gas controlknob.
Never use tools. If the knob will not push in or turn by
hand, don’t try to repair it, call a qualified service techni-
cian 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.
LIGHTING
INSTRUCTIONS
WARNING:
•If fireplace has glass doors, never operate this
heater with glass doors closed. If you operate
heater with doors closed, heat buildup inside fire-
place will cause glass to burst. Also if fireplace
opening has vents at the bottom, you must open
the vents before operating heater.
•Youmustoperatethisheaterwithafireplacescreen
in place. Make sure fireplace screen is closed
before running heater.
NOTICE:Duringinitialoperationofnewheater,burn-
ing logs will give off a paper-burning smell. Orange
flamewillalsobepresent.Opendamperorwindowto
vent smell. This will only last a few hours.
Note: Home owners 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 HI heat setting but will find the heat output
excessive. You can open the chimney damper (if you have one)
fully or partially to release some of the heat.
OPERATING HEATER
Manually-Controlled Models
FOR YOUR SAFETY READ
BEFORE LIGHTING
WARNING: Damper handle will be hot if heater
has been running.
1. STOP! Read the safety information in column 1.
2. Make sure equipment shutoff valve is fully open.
3. Press in and turn control knob clockwise
Clockwise
to the
OFF position.
4. Wait five (5) minutes to clear out any gas. Then smell for
gas, including near the floor. If you smell gas, STOP! Fol-
low “B” in the safety information, column 1. If you don’t
smell gas, go to the next step.
5. Slightly depress and turn control knob counterclockwise
C-clockwise
to the PILOT position. Press in control knob for
five (5) seconds (see Figure 39).
Note: You may be running this heater for the first time
after hooking up to gas supply. If so, the control knob may
need to be pressed in for 30 seconds or more. This will al-
low air to bleed from the gas system.
PILOT
OFF
LO
HI
Figure 39 - Pilot
Thermocouple Ignitor Electrode Pilot Burner
Ignitor Button
Figure 38 - Control Knob and Ignitor Button Location
Control Knob

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18
OPERATING HEATER (MANUALLY CONTROLLED MODELS)
Lighting Instructions (Cont.)
Variable Control Operation
To Turn Off Gas To Appliance
Manual Lighting Procedure
OPERATING HEATER (THERMOSTATICALLY-CONTROLLED MODELS)
For Your Safety Read Before Lighting
OPERATING HEATER
Continued
WARNING: Donot operateheater betweenPILOT
and HIGH positions.
MANUAL LIGHTING
PROCEDURE
1. Followsteps1through5 underLightingInstructions,page17.
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, column 1.
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater
1. Press in and turn control knob clockwise
Clockwise
to the
HI position.
2. Turn control knob clockwise
Clockwise
to the pilot position.
3. Press in control knob and turn clockwise
Clockwise
to the
OFF position.
Shutting Off Burner(s) Only (pilot stays lit)
1. Turn control knob clockwise
Clockwise
to the HI position.
2. Press in and turn control knob clockwise
Clockwise
to the
pilot position.
CAUTION: Do not try to adjust heating levels by
using the equipment shutoff valve.
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 realis-
tic, dancing yellow flames. Selecting higher settings produces
greater heat output. This results in increased heating comfort.
VARIABLE CONTROL
OPERATION
Thermostatically-Controlled Models
WARNING:Ifyoudonot follow theseinstructions
exactly, a fire or explosion may result causing prop-
erty 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 IFYOU 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 de-
partment.
C. Useonly yourhandto push in or turn the gascontrolknob.
Never use tools. If the knob will not push in or turn by
hand, don’t try to repair it, call a qualified service techni-
cian 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.
FOR YOUR SAFETY READ
BEFORE LIGHTING
OPERATING HEATER
6. With control knob pressed in, press and release ignitor but-
ton. This will light pilot.The pilot is attached to the 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,
lightpilotwithmatch.To light pilot with match, seeManual
Lighting Procedure.
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 on page
17.If controlknob does not pop out when released,contact
a qualified service person or gas supplier for repairs.
8. Slightly depress and turn control knob counterclockwise
C-clockwise
todesiredheatinglevel.Theburner(s)shouldlight.
Set control knob to any heat level between HI and LO.

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19
19
OPERATING HEATER (THERMOSTATICALLY-CONTROLLED MODELS)
Lighting Instructions
To Turn Off Gas To Appliance
WARNING:
•If fireplace has glass doors, never operate this
heater with glass doors closed. If you operate
heater with doors closed, heat buildup inside fire-
place will cause glass to burst. Also if fireplace
opening has vents at the bottom, you must open
the vents before operating heater.
•Youmustoperatethisheaterwithafireplacescreen
in place. Make sure fireplace screen is closed
before running heater.
NOTICE:Duringinitialoperationofnewheater,burn-
ing logs will give off a paper-burning smell. Orange
flamewillalsobepresent.Opendamperorwindowto
vent smell. This will only last a few hours.
Note: Home owners 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 HI heat setting but will find the heat output
excessive. You can open the chimney damper (if you have one)
fully or partially to release some of the heat.
WARNING: Damper handle will be hot if heater
has been running.
OPERATING HEATER
Continued
1. STOP! Read the safety information in column 2, page 18.
2. Make sure equipment shutoff valve is fully open.
3. Turn control knob clockwise
Clockwise
to the OFF position.
4. Wait five (5) minutes to clear out any gas. Then smell for
gas, including near the floor. If you smell gas, STOP! Fol-
low “B” in the safety information in column 2, page 18. If
you don’t smell gas, go to the next step.
5. Turncontrolknobcounterclockwise
C-clockwise
tothePILOT
position. Press in control knob for five (5) seconds (see Fig-
ure 40).
Note: You may be running this heater for the first time
after hooking up to gas supply. If so, the control knob may
need to be pressed in for 30 seconds or more. This will al-
low air to bleed from the gas system.
• If control knob does not pop out when released, contact
a qualified service person or gas supplier for repairs.
6. With control knob pressed in, press and release ignitor but-
ton. This will light pilot. The pilot is attached to the front
burner.Ifneeded,keeppressingignitorbuttonuntilpilotlights.
Note: If pilot does not stay lit, contact a qualified service
person or gas supplier for repairs. Until repairs are made,
lightpilotwithmatch.To light pilot with match, see Manual
Lighting Procedure. page 20.
7. Keep control knob pressed in for 30 seconds after lighting
pilot. After 30 seconds, release control knob.
Note: Ifpilotgoesout,repeatsteps3through7.Thisheater
has a safety interlock system. Wait one (1) minute for sys-
tem to reset before lighting pilot again.
8. Turn control knob counterclockwise
C-clockwise
to desired
heating level.The burners should light. Set control knob to
any heat level between HI and LO.
LO
HI
OFF
Pilot
Figure 40 - Control Knob and Ignitor Button Location
Figure 41 - Pilot
Control Knob
Ignitor Button
Thermocouple Ignitor ElectrodePilot Burner
CAUTION: Do not try to adjust heating levels by
using the equipment shutoff valve.
Shutting Off Heater
Turn control knob clockwise
Clockwise
to the OFF position.
Shutting Off Burners Only (pilot stays lit)
Turn control knob clockwise
Clockwise
to the PILOT position.
LIGHTING
INSTRUCTIONS
TO TURN OFF GAS
TO APPLIANCE

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20
OPERATING HEATER (THERMOSTATICALLY-CONTROLLED MODELS)
Thermostat Control Operation
Manual Lighting Procedure
INSPECTING BURNERS
CLEANING AND MAINTENANCE
OPERATING HEATER
Continued
1. Followsteps1through5 underLightingInstructions,page19.
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 under Lighting Instructions, page 19.
THERMOSTAT
CONTROL OPERATION
The thermostat control knob can be set 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
idealcomfortsettingwillvarybyhouseholddependinguponthe
amount of space to be heated, the output of the central heating
system, etc.
Note: Selecting the HI setting with the control knob will cause
the burners to remain fully on, without modulating down in
most cases.
MANUAL LIGHTING
PROCEDURE
INSPECTING BURNERS
Check pilot flame pattern and burner flame patterns often.
PILOT FLAME PATTERN
Figure 42 shows a correct pilot flame pattern. Figure 43 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 heater will shut down.
If pilot flame pattern is incorrect, as shown in Figure 44
• turn heater off (see To Turn Off Gas to Appliance, page 18 for
manually-controlled models or page 19 for thermostat-controlled
models)
• see Troubleshooting, pages 22 through 24
Note: The pilot flame on natural gas units will have a slight curve,
but flame should be blue and have no yellow or orange color.
Figure 42 - Correct Pilot
Flame Pattern Figure 43 - Incorrect Pilot
Flame Pattern
Thermocouple Pilot Burner Thermocouple Pilot Burner
BURNER PRIMARY AIR HOLES
Air is drawn into the burner through the holes in the fitting at the
entrance to the burner. These holes may become blocked with dust
or lint. Periodically inspect these holes for any blockage and clean
as necessary. Blocked air holes will create soot.
MAIN BURNER
Periodicallyinspectallburnerflameholeswiththeheaterrunning.All
slottedburnerflameholes should beopenwithyellowflame present.
All round burner flame holes should be open with a small blue flame
present. Some burner flame holes may become blocked by debris or
rust,withno flamepresent.If so,turnoffheaterandletcool,Remove
blockage, blocked burner flame holes will create soot.
CLEANING AND MAINTENANCE
WARNING: Turn off heater and let cool before
cleaning.
CAUTION: You must keep control areas, burner,
and circulating air passageways of heater clean. In-
spect these areas of heater before each use. Have
heater inspected yearly by a qualified service person.
Heatermayneedmorefrequentcleaningduetoexces-
sivelintfromcarpeting,beddingmaterial,pethair,etc.
CLEANING BURNER INJECTOR HOLDER
AND PILOT AIR INLET HOLE
The primary air inlet holes allow the proper amount of air to mix with
thegas.This provides a clean burning flame. Keep these holes clear of
dust, dirt, lint, and pet hair. Clean these air inlet holes prior to each
heatingseason.Blockedairholes willcreatesoot.Werecommendthat
youcleantheuniteverythreemonthsduringoperationandhaveheater
inspected yearly by a qualified service person.
Wealsorecommendthatyoukeeptheburnertubeandpilotassembly
clean and free of dust and dirt. To clean these parts we recommend
using compressed air no greater than 30 PSI. Your local computer
store, hardware store, or home center may carry compressed air in a
can. You can use a vacuum cleaner in the blow position. If using
compressedairinacan,pleasefollowthedirectionsonthecan.Ifyou
don't follow directions on the can, you could damage the pilot
assembly.
1. Shut off the unit, including the pilot.Allow the unit to cool for
at least thirty minutes.
2. Inspect burner, pilot, and primary air inlet holes on injector
holder for dust and dirt (see Figure 44, page 21).
3. Blow air through the ports/slots and holes in the burner.