Desa Water Heater CGS2718NA User Manual

ROYAL ENGLISH OAK AND WINCHESTER OAK UNVENTED  
(VENT-FREE) GAS LOG HEATER  
OWNER’S OPERATION AND INSTALLATION MANUAL  
Patent Pending  
18" AND 24" VARIABLE MANUALLY-CONTROLLED MODELS  
CGS2718PA, CGS2718NA, CGS3124PA, CGS3124NA  
SGS3124PA, SGS3124NA  
18" AND 24" THERMOSTATICALLY-CONTROLLED MODELS  
CLD3018PTA, CLD3018NTA CLD3924PTB, CLD3924NTB  
Variable Manually-Controlled Models Also Design-Certified as  
Vented Decorative Appliances  
WARNING: If the information in this manual is not fol-  
lowed exactly, a fire or explosion may result causing  
property damage, personal 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 not use any  
phone in your building.  
• Immediatelycallyourgassupplierfromaneighbor’s  
phone. Follow the gas supplier’s instructions.  
• If you cannot reach your gas supplier, call the fire  
department.  
— Installationandservicemustbeperformedbyaquali-  
fied installer, service agency or the gas supplier.  
Save this manual for future reference.  
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SAFETY INFORMATION  
WARNING:Donotallowfans  
toblowdirectlyintothereplace.  
Avoidanydraftsthatalterburner  
flame patterns. Ceiling fans can  
create drafts that alter burner  
flame patterns. Altered burner  
patterns can cause sooting.  
WARNING:Thisproductcon-  
tainsand/orgenerateschemicals  
known to the State of California  
to cause cancer or birth defects  
or other reproductive harm.  
IMPORTANT: Read this owner’s  
manualcarefullyandcompletely  
before trying to assemble, op-  
erate or service this fireplace.  
Improper use of this fireplace  
can cause serious injury or  
death from burns, fire, explo-  
sion,electricalshockandcarbon  
monoxide poisoning.  
Due to high temperatures, the  
applianceshouldbelocatedout  
oftrafficandawayfromfurniture  
and draperies.  
Do not place clothing or other  
flammable material on or near  
the appliance. Never place any  
objects on the heater.  
DANGER:Carbonmonoxide  
poisoning may lead to death!  
Heaterbaseassemblybecomes  
very hot when running heater.  
Keep children and adults away  
from hot surface to avoid burns  
or clothing ignition. Heater  
will remain hot for a time after  
shutdown.Allowsurfacetocool  
before touching.  
Carbon Monoxide Poisoning: Early signs of  
carbon monoxide poisoning resemble the flu, with  
headaches, dizziness or nausea. If you have these  
signs, the fireplace may not be working properly.  
Get fresh air at once! Have fireplace serviced.  
Somepeoplearemoreaffectedbycarbonmonoxide  
than others. These include pregnant women, people  
with heart orlungdisease oranemia, those underthe  
influence of alcohol and those at high altitudes.  
Carefully supervise young chil-  
dren when they are in the room  
withheater.Whenusingthehand-  
held remote accessory, keep se-  
lector switch in the OFF position  
to prevent children from turning  
on burners with remote.  
Natural and Propane/LP Gas: Naturalandpropane/  
LP gases are odorless. An odor-making agent is  
addedtothesegases. Theodorhelpsyoudetectagas  
leak. 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 fireplace.  
You must operate this heater  
with a fireplace screen in place.  
Make sure fireplace screen is  
closed before running heater.  
WARNING: Any change to  
this heater or its controls can  
be dangerous.  
Keep the appliance area clear  
and free from combustible ma-  
terials, gasoline and other flam-  
mable vapors and liquids.  
WARNING: Do not use a  
blower insert, heat exchanger  
insertorotheraccessorynotap-  
proved for use with this heater.  
113101-01C  
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11. Before using furniture polish, wax, carpet  
cleaner or similar products, turn heater off. If  
heated, the vapors from these products may  
create a white powder residue within burner  
box or on adjacent walls or furniture.  
SAFETY INFORMATION  
Continued  
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.  
12. This heater needs fresh, outside air ventilation  
to run properly. This heater has an Oxygen De-  
pletion Sensing (ODS) safety shutoff system.  
The ODS shuts down the heater if not enough  
fresh air is available. See Air for Combustion  
and Ventilation, page 5. If heater keeps shutting  
off, see Troubleshooting, page 25.  
2. Do not place propane/LP supply tank(s) in-  
side any structure. Locate propane/LP supply  
tank(s) outdoors (propane/LP units only).  
3. To prevent performance problems, the use  
of a propane/LP tank of less than 100 lbs.  
capacity is not recommended (propane/LP  
units only).  
13. Do not run heater  
4. If you smell gas  
where flammable liquids or vapors are  
used or stored  
under dusty conditions  
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 neighborʼs phone. Follow the gas  
supplierʼs instructions  
14. Do not use this heater to cook food or burn  
paper or other objects.  
15. Do not use heater if any part has been exposed  
to or under water. Immediately call a qualified  
service technician to inspect the room heater  
and to replace any part of the control system  
and any gas control which has been under  
water.  
if you cannot reach your gas supplier, call  
the fire department  
5. This heater shall not be installed in a bedroom  
or bathroom unless installed as a vented appli-  
ance (Variable Manually-Controlled Models  
Only) (see Installing Damper Clamp Acces-  
sory for Vented Operation, page 12).  
16. Do not operate heater if any log is broken. Do  
not operate heater if a log is chipped (dime-  
sized or larger).  
17. Turn heater off and let cool before servicing.  
Only a qualified service person should service  
and repair heater.  
6. Do not burn solid-fuel in a masonry or UL127  
factory-built fireplace in which a vent-free  
room heater is installed.  
18. Operating heater above elevations of 4,500  
feet could cause pilot outage.  
7. 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 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, repair flue before  
operating heater.  
19. Provide adequate clearances around air  
openings.  
PRODUCT  
IDENTIFICATION  
8. If fireplace has glass doors, never operate this  
heater with glass doors closed. If you operate  
heaterwithdoorsclosed, heatbuildupinsidere-  
placewillcauseglasstoburst.Makesurethereare  
no obstructions across openings of fireplace.  
9. 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 manu-  
facturing residues.  
10. To prevent the creation of soot, follow the  
instructions in Cleaning and Maintenance,  
page 23.  
Figure 1 - Yellow Flame Vent-Free Gas  
Log Heater Shown (Logs May Vary by  
Model)  
4
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LOCAL CODES  
PRODUCT FEATURES  
OPERATION  
Install and use heater with care. Follow all local  
codes. In the absence of local codes, use the lat-  
est edition of The National Fuel Gas Code ANSI  
Z223/NFPA 54*.  
This heater is clean burning. It requires no outside  
venting. There is no heat loss out a vent or up a  
chimney. Heat is generated by realistic, dancing  
yellow flames. This heater is designed for vent-free  
operation with flue damper closed. It has been  
tested and approved to ANSI Z21.11.2 standard  
for unvented heaters. State and local codes in  
some areas prohibit the use of vent-free heaters.  
Non-thermostat models may also be operated as  
a vented decorative (ANSI Z21.60) product by  
*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 opening flue damper.  
required, thermostat models are not permitted.  
SAFETY PILOT  
This heater has a pilot with an Oxygen Deple-  
tion 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.  
State of Massachusetts: The installa-  
tion must be made by a licensed plumber  
or gas fitter in the Commonwealth of  
Massachusetts.  
Sellers of unvented propane or natural  
gas-fired supplemental room heaters shall  
provide to each purchaser a copy of 527  
CMR 30 upon sale of the unit.  
PIEZO IGNITION SYSTEM  
This heater has a piezo ignitor. This system re-  
quires no matches, batteries or other sources to  
light heater.  
Vent-free gas products are prohibited for  
bedroom and bathroom installation in the  
Commonwealth of Massachusetts.  
AIR FOR COMBUSTION  
AND VENTILATION  
UNPACKING  
WARNING:Thisheatershall  
not be installed in a confined  
space or unusually tight con-  
struction unless provisions are  
providedforadequatecombus-  
tionandventilationair.Readthe  
followinginstructionstoinsure  
proper fresh air for this and  
other fuel-burning appliances  
in your home.  
CAUTION:Donotremovethe  
data plates from the grate as-  
sembly. The data plates contain  
important warranty and safety  
information.  
1. Remove logs and heater base assembly from  
carton. Note: Do not pick up heater base as-  
sembly by burners. This could damage heater.  
Always handle base assembly by grate.  
2. Remove all protective packaging applied to  
logs and heater for shipment.  
Todayʼs 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.  
3. Check all items for any shipping damage. If  
damaged, promptly inform dealer where you  
bought heater.  
While it is good to make your home energy effi-  
cient, your home needs to breathe. Fresh air must  
enter your home.All fuel-burning appliances need  
fresh air for proper combustion and ventilation.  
113101-01C  
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Confined Space 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 m3 per kw) of the aggregate input  
rating of all appliances installed in that space and  
an unconfined space as a space whose volume is  
not less than 50 cubic feet per 1,000 Btu per hour  
(4.8 m3 per kw) of the aggregate input rating of  
all appliances installed in that space. Rooms com-  
municating directly with the space in which the  
appliances are installed*, through openings not  
furnished with doors, are considered a part of the  
unconfined space.  
AIR FOR COMBUSTION  
AND VENTILATION  
Continued  
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 are excerpts from National Fuel  
Gas Code. ANSI Z223.1/NFPA 54, Section 5.3,  
Air for Combustion and Ventilation.  
* Adjoining rooms are communicating only if  
there are doorless passageways or ventilation grills  
between them.  
All spaces in homes fall into one of the three fol-  
lowing ventilation classifications:  
1. Unusually Tight Construction  
2. Unconfined Space  
DETERMINING FRESH-AIR FLOW  
FOR FIREPLACE LOCATION  
3. Confined Space  
Determining if You Have a Confined or  
Unconfined Space  
Use this work sheet to determine if you have a  
The information on pages 5 through 7 will help  
you classify your space and provide adequate  
ventilation.  
confined or unconfined space.  
Unusually Tight Construction  
Space: Includes the room in which you will install  
fireplace plus any adjoining rooms with doorless pas-  
sageways or ventilation grills between the rooms.  
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.  
1. Determine the volume of the space (length x  
width x height).  
Length x Width x Height =__________cu. ft.  
(volume of space)  
Unusually tight construction is defined as  
construction where:  
Example: Space size 20 ft. (length) x 16 ft.  
(width) x 8 ft. (ceiling height) = 2,560 cu. ft.  
(volume of space)  
a. walls and ceilings exposed to the out-  
side atmosphere have a continuous  
water vapor retarder with a rating of  
one perm (6x10-11 kg per pa-sec-m2) or  
less with openings gasketed or sealed  
and  
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. Multiply the space volume by 20 to determine  
the maximum Btu/Hr the space can support.  
b. weather stripping has been added on  
openable windows and doors and  
__________ (volume of space) x 20 = (Maxi-  
mum Btu/Hr the space can support)  
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.  
Example: 2,560 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 fireplace  
Gas water heater*  
Gas furnace  
__________ Btu/Hr  
__________ Btu/Hr  
__________ Btu/Hr  
__________ Btu/Hr  
__________ Btu/Hr  
If your home meets all of the three criteria  
above,youmustprovideadditionalfreshair.  
See Ventilation Air From Outdoors, page 7.  
Vented gas heater  
Gas fireplace logs  
Other gas appliances* +__________ Btu/Hr  
Total =__________ Btu/Hr  
If your home does not meet all of the three  
criteria above, proceed to Determining  
Fresh-Air Flow For Heater Location.  
* Do not include direct-vent gas appliances. Di-  
rect-vent draws combustion air from the outdoors  
and vents to the outdoors.  
6
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nent openings: one within 12" of the ceiling and  
one within 12" of the floor on the wall connecting  
the two spaces (see options 1 and 2, Figure 2). You  
can also remove door into adjoining room (see  
option 3, Figure 2). 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.  
AIR FOR COMBUSTION  
AND VENTILATION  
Continued  
Example:  
40,000  
__________ Btu/Hr  
31,500  
+__________ Btu/Hr  
71,500  
=__________ Btu/Hr  
Gas water heater  
Vent-free fireplace  
Total  
4. Compare the maximum Btu/Hr the space can  
support with the actual amount of Btu/Hr used.  
12"  
_________Btu/Hr (maximum the space can support)  
_________ Btu/Hr (actual amount of Btu/Hr used)  
Ventilation  
Ventilation Grills  
Into Adjoining Room,  
Option 2  
Grills  
Into Adjoining  
Room,  
Example: 51,200 Btu/Hr (maximum the space  
can support)  
Or  
Remove  
Door into  
Adjoining  
Room,  
Option  
3
Option 1  
71,500 Btu/Hr (actual amount of  
Btu/Hr used)  
The space in the 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 ad-  
ditional fresh air. Your options are as follows:  
12"  
A. Rework worksheet, adding the space of an adjoin-  
ingroom. Iftheextraspaceprovidesanunconfined  
space, remove door to adjoining room or add  
ventilation grills between rooms. See Ventilation  
Air From Inside Building, page 7.  
Figure 2 - Ventilation Air from Inside  
Building  
B. Vent room directly to the outdoors. See Ventila-  
tion Air From Outdoors, page 7.  
Ventilation Air From Outdoors  
Provide extra fresh air by using ventilation grills or  
ducts. You must provide two permanent openings:  
one within 12" of the ceiling and one within 12"  
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 un- of the floor. Connect these items directly to the  
confined space. You will need no additional fresh  
air ventilation.  
outdoors or spaces open to the outdoors. These  
spaces include attics 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.  
WARNING: If the area in  
which the heater may be oper-  
ated is smaller than that defined  
as an unconfined space or if the  
building is of unusually tight  
construction, provide adequate  
combustion and ventilation air  
byoneofthemethodsdescribed  
in the National Fuel Gas Code,  
ANSIZ223.1/NFPA54Section5.3  
or applicable local codes.  
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  
A
ir  
To Attic  
To  
Crawl  
Space  
VENTILATION AIR  
Inlet  
Air  
Ventilation Air From Inside Building  
Ventilated  
Crawl Space  
This fresh air would come from an adjoining un-  
confined space. When ventilating to an adjoining  
unconfined space, you must provide two perma-  
Inlet Air  
Figure 3 - Ventilation Air from Outdoors  
113101-01C  
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INSTALLATION  
WARNING: Never install the  
heater  
NOTICE:Thisheaterisintended  
for use as supplemental heat.  
Use this heater along with your  
primary heating system. Do not  
install this heater as your pri-  
mary heat source. If you have a  
centralheatingsystem,youmay  
run system’s circulating blower  
whileusingheater.Thiswillhelp  
circulatetheheatthroughoutthe  
house. In the event of a power  
outage, you can use this heater  
as your primary heat source.  
inabedroomorbathroomunless  
installed as a vented appliance  
(Variable Manually-Controlled  
Models Only) (see page 12)  
• in a recreational vehicle  
where curtains, furniture, cloth-  
ing or other flammable 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:Thisheatercreates  
warmaircurrents.Thesecurrents  
move heat to wall surfaces next  
to heater. Installing heater next  
tovinylorclothwallcoveringsor  
operatingheaterwhereimpurities  
(such as, but not limited to, to-  
bacco smoke, aromatic candles,  
cleaning fluids, oil or kerosene  
lamps, etc.) in the air exist, may  
discolor walls or cause odors.  
WARNING: A qualified ser-  
vice person must install heater.  
Follow all local codes.  
NOTICE:Stateorlocalcodesmay  
onlyallowoperationofthisappli-  
ance in a vented configuration.  
Check your state or local codes.  
WARNING: Before installing  
in a solid fuel burning fireplace,  
the chimney flue and firebox  
must be cleaned of soot, creo-  
sote, ashes and loose paint by a  
qualifiedchimneycleaner.Creo-  
sotewilligniteifhighlyheated.A  
dirtychimneyuemaycreateand  
distribute soot within the house.  
Inspectchimneyueandrebox  
for damage. If damaged, repair  
flue before operating heater.  
IMPORTANT: Vent-free heaters add moisture to  
the air.Although this is beneficial, installing heater  
in rooms without enough ventilation air may cause  
mildew to form from too much moisture. See Air  
for Combustion and Ventilation, page 5.  
CHECK GAS TYPE  
Use only the correct gas type (natural or pro-  
pane/LP) for your unit. If your gas supply is not  
correct, do not install heater. Call dealer where  
you bought heater for proper type heater.  
WARNING: This appliance  
is equipped for (natural or pro-  
pane/LP) gas. Field conversion  
is not permitted.  
WARNING: Seal any fresh  
air vents or ash clean-out doors  
located on floor or wall of fire-  
place. If not, drafting may cause  
pilot outage or sooting. Use a  
heat-resistant sealant. Do not  
seal chimney flue damper.  
INSTALLATION AND CLEARANCES  
(Vent-Free Operation Only)  
WARNING: Maintain the  
minimum clearances. If you can,  
provide greater clearances from  
floor, ceiling and adjoining wall.  
8
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INSTALLATION  
NOTICE: Manual control heaters  
may be used as a vented product.  
If so, you must always run heater  
with chimney flue damper open. If  
running heater with damper open,  
noncombustiblematerialabovere-  
place opening is not needed. Go to  
InstallingDamperClampAccessory  
for Vented Operation, page 12.  
Continued  
MINIMUM FIREPLACE CLEARANCE  
TO COMBUSTIBLE MATERIALS  
Log Size  
Side Wall  
Ceiling  
18", 24"  
16"  
42"  
LOG SIZING REQUIREMENTS  
Minimum Firebox Size  
Log  
Front  
Rear  
Size Height Depth Width Width*  
Minimum Noncombustible Material  
Clearances  
18"  
24"  
17"  
17"  
14"  
14"  
24"  
28"  
20"  
21"  
If Not Using Mantel  
Note: If using a mantel, proceed to If Using  
Mantel, page 10. If not using a mantel, follow the  
information below.  
*Measured at 14" Depth  
Carefully follow the instructions below. This will  
ensure safe installation into a masonry, UL127-  
listed manufactured fireplace or certified vent-free  
firebox.  
You must have noncombustible material(s) above  
the fireplace opening. Noncombustible materials  
(such as slate, marble, tile, etc.) must be at least  
1/2 inch thick. With sheet metal, you must have  
noncombustiblematerialbehindit. Noncombustible  
materialmustextendatleast8" up(forallmodels). If  
noncombustible material is less than 12", you must  
installthereplacehoodaccessory(24" modelonly).  
See Figure 5 for minimum clearances.  
Minimum Clearances For Side  
Combustible Material, Side Wall and  
Ceiling  
A. Clearances from the side of the fireplace  
cabinet to any combustible material and wall  
should follow diagram in Figure 4.  
Example: The face of a mantel, bookshelf,  
etc. is made of combustible material and  
protrudes 3 1/2" from the wall. This combus-  
tible material must be 4" from the side of the  
fireplace cabinet (see Figure 4).  
Noncombustible  
Material  
Distance (A)  
Requirements for  
Safe Installation  
12" or more  
Between 8"  
and 12"  
Noncombustible material okay.  
24" Model: Install fireplace  
hood accessory (GA6050,  
GA6052 or GA6053,see  
Accessories, page 31).  
18" Model: Noncombustible  
material okay.  
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.  
Note: When installing your gas logs into  
a manufactured firebox, follow firebox  
manufacturerʼs 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.  
Less than 8"  
Example  
Heat Resistant  
Material  
(A)  
*
*Minimum 16 inches from Side Wall  
Figure 4 - Minimum Clearance for  
Combustible to Wall  
Figure 5 - Heat Resistant Material (Slate,  
Marble, Tile, etc.) Above Fireplace  
113101-01C  
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MANTEL CLEARANCES  
INSTALLATION  
In addition to meeting noncombustible material  
clearances, you must also meet required clearances  
between fireplace opening and mantel shelf. If  
you do not meet the clearances listed below, you  
will need a hood.  
Continued  
IMPORTANT: If you cannot meet these minimum  
clearances, you must operate heater with chimney  
flue damper open. Go to Installing Damper Clamp  
Accessory for Vented Operation, page 12.  
Determining Minimum Mantel Clearance  
If you meet minimum clearance between mantel  
shelf and top of fireplace opening, a hood is not  
required (see Figure 6).  
If Using Mantel  
You must have noncombustible material(s) above  
the fireplace opening. Noncombustible materials  
(such as slate, marble, tile, etc.) must be at least  
1/2 inch thick. With sheet metal, you must have  
noncombustiblematerialbehindit. 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" model 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 5 (see page 9), Figure 6 and Figure 7 (see  
page 11) for minimum clearances.  
Determining Minimum Mantel Clearance  
when Using a Hood  
If minimum clearances in Figure 6 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 Figure 7,  
page 11, when using a hood.  
NOTICE: Surface temperatures  
ofadjacentwallsandmantelsbe-  
comehotduringoperation.Walls  
and mantels above the firebox  
may become hot to the touch.  
If installed properly, these tem-  
peratures meet the requirement  
ofthenationalproductstandard.  
Follow all minimum clearances  
shown in this manual.  
IMPORTANT: If you cannot meet these minimum  
clearances, you must operate heater with chimney  
flue damper open. Go to Installing Damper Clamp  
Accessory for Vented Operation, page 12.  
Mantel Shelf  
10"  
Underside of  
Mantel Shelf  
8"  
6"  
2 1/2"  
All minimum  
distances are  
in inches  
Minimum Non-  
Combustible  
(A)  
Log Set  
24" Model  
Material  
12"  
8"  
18"  
8"  
20"  
14"  
22"  
17"  
24"  
20"  
18" Model  
Top of Fireplace  
Opening  
Minimum Non-  
Combustible  
Material Height  
Distances to  
Underside of  
Mantel  
Figure 6 - Minimum Mantel Clearances Without Using Hood  
10  
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INSTALLATION  
Continued  
FLOOR CLEARANCES  
NOTICE:Ifyourinstallationdoes  
not meet the minimum clear-  
ances shown, you must do one  
of the following:  
• operate the logs only with the  
flue damper open  
A. If installing appliance on the floor level, you  
must maintain the minimum distance of 14"  
to combustibles (see Figure 8).  
B. If combustible materials are less than 14" to  
the fireplace, you must install appliance at  
least 5" above the combustible flooring (see  
Figure 9).  
• raise the mantel to an accept-  
able height  
• remove the mantel  
Mantel Shelf  
12"  
10"  
8"  
Underside of  
Mantel Shelf  
6"  
2 1/2"  
All minimum  
distances are  
in inches  
Minimum Non-  
Combustible  
Log Set  
Material  
8"  
Min.  
12"  
15"  
18"  
20"  
18" and 24"  
Models  
Top of Fireplace  
Opening  
Hood  
(GA6050, GA6052  
or GA6053)  
Distances to  
Underside of  
Mantel  
Figure 7 - Minimum Mantel Clearances When Using Hood  
Combustible  
Hearth  
Material  
14"  
Min.  
5"  
Combustible  
Material  
Min.  
Noncombustible Material  
Figure 8 - Minimum Fireplace Clearances  
If Installed at Floor Level  
Figure 9 - Minimum Fireplace Clearances  
Above Combustible Flooring  
113101-01C  
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INSTALLATION  
Continued  
Damper  
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.  
Damper  
Clamp  
Damper  
Damper  
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.  
Masonry Fireplace  
Manufactured  
Fireplace  
1. The fireplace does not meet the clearance  
to combustibles requirements for vent-free  
operation.  
Figure 10 - Attaching Damper Clamp  
INSTALLING HEATER BASE  
ASSEMBLY  
2. State or local codes do not permit vent-free  
operation.  
3. You prefer vented operation.  
CAUTION:Donotremovethe  
dataplatesattachedtotheheater  
base assembly. The data plates  
contain important warranty and  
safety information.  
If reasons number 1 or 2 above apply to you, you  
must permanently open chimney flue damper. You  
must install the damper clamp accessory (to order,  
see Accessories, page 31). This will insure vented  
operation (see Figure 10). The damper clamp will  
keep damper open. Installation instructions are  
included with clamp accessory.  
WARNING:You must secure  
this heater to fireplace floor. If  
not, heater will move when you  
adjust controls. Moving heater  
may cause a gas leak.  
See chart below for minimum permanent flue  
opening you must provide. Attach damper clamp  
so the minimum permanent flue opening will be  
maintained at all times.  
Chimney  
Height (ft.)  
6' to 15'  
Minimum Permanent  
Flue Opening (sq. ins.)  
39 sq. inches  
WARNING: If installing in a  
sunken fireplace, special care  
is needed. You must raise the  
fireplace floor to allow access to  
heater control panel. This will in-  
sure adequate air flow and guard  
against sooting and controls be-  
ingdamaged.Raisereplaceoor  
with noncombustible material.  
Make sure material is secure.  
15' to 30'  
29 sq. inches  
Area of Various Standard Round Flues  
Diameter (ins.)  
Area (sq. ins.)  
20 sq. inches  
29 sq. inches  
39 sq. inches  
51 sq. inches  
5"  
6"  
7"  
8"  
CAUTION: Do not pick up  
heater base assembly by the  
burner. This could damage  
heater. Only handle base as-  
sembly by grates.  
12  
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Masonry  
Screw  
INSTALLATION  
Continued  
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 29.  
Mounting  
Bracket  
Installation Items Needed  
hardware package (provided with heater)  
Figure 12 - Attaching Base Assembly to  
Fireplace Floor  
approved flexible gas hose (not provided) (if  
allowed by local codes)  
sealant (resistant to propane/LP gas, not provided)  
electric drill with 3/16" drill bit  
flathead screwdriver  
CONNECTING TO GAS SUPPLY  
WARNING: This appliance  
requires a 1/2" NPT (National  
PipeThread)inletconnectionto  
the pressure regulator.  
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 11).  
IMPORTANT: Hold gas regulator with  
wrench when connecting flexible gas hose.  
WARNING: A qualified  
service person must connect  
heater to gas supply. Follow  
all local codes.  
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, page 16).  
5. Center heater base and logs front-to-front and  
side-to-side in fireplace.  
CAUTION: Never connect  
propane/LPheaterdirectlytothe  
propane/LPsupply. Propane/LP  
heatersrequireanexternalregu-  
lator (not supplied). Install the  
external regulator between the  
heater and propane/LP supply.  
6. Carefully remove logs without moving  
heater base.  
7. Mark screw locations through holes in mount-  
ing brackets (see Figure 12). 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.  
WARNING: For natural gas  
units, never connect heater to  
private (non-utility) gas wells.  
This gas is commonly known  
as wellhead gas.  
10. Attach base assembly to fireplace floor using  
two masonry screws (in hardware package)  
(see Figure 12).  
Fitting  
Heater Gas  
Regulator  
Flexible Gas Hose  
(if allowed by local codes)  
Figure 11 - Attaching Flexible Gas Hose  
to Heater Gas Regulator  
113101-01C  
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Installation must include a 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 14).  
INSTALLATION  
Continued  
Installation Items Needed  
Before installing heater, make sure you have the  
items listed below.  
IMPORTANT:Installequipmentshutoffvalveinan  
accessible location. The main gas valve is for turn-  
ing on or shutting off the gas to the appliance.  
external regulator (supplied by installer)  
piping (check local codes)  
sealant (resistant to propane/LP gas)  
equipment shutoff valve *  
test gauge connection *  
sediment trap  
Check your building codes for any special re-  
quirements for locating 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.  
tee joint  
pipe wrench  
*ACSAdesign-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 31.  
WARNING: Use pipe joint  
sealant that is resistant to liquid  
petroleum (LP) gas.  
We recommend that you install sediment trap in  
supply line as shown in Figure 14. Locate sediment  
trap where it is within reach for cleaning. Install  
in piping system between fuel supply and heater.  
Locate sediment trap where trapped matter is not  
likely to freeze. A sediment trap traps moisture and  
contaminants. This keeps them from going into  
heater controls. If sediment trap is not installed or is  
installed wrong, heater may not run properly.  
For propane/LP gas, the installer must supply an  
external regulator. The external regulator will  
reduce incoming gas pressure. You must reduce  
incoming gas pressure to between 11 and 14 inches  
of water. If you do not reduce incoming gas pres-  
sure, heater regulator damage could occur. Install  
external regulator with the vent pointing down  
as shown in Figure 13. Pointing the vent down  
protects it from freezing rain or sleet.  
CAUTION: Avoid damage to  
regulator.Holdgasregulatorwith  
wrenchwhenconnectingittogas  
piping and/or fittings.  
CAUTION:Useonlynew,black  
ironorsteelpipe.Internally-tinned  
copper tubing may be used in  
certain areas. Check your local  
codes.Usepipeof1/2"diameteror  
greatertoallowpropergasvolume  
toheater.Ifpipeistoosmall,undue  
loss of volume will occur.  
CSA Design-Certified  
Equipment Shutoff Valve  
With 1/8" NPT Tap*  
Natural  
From Gas Meter  
(5" W.C.** to  
10.5" W.C.  
Pressure)  
Gas  
Regulator  
Propane/LP  
Supply Tank  
External  
Propane/LP  
From External  
Regulator  
Regulator  
3" Min.  
Approved  
Flexible  
Gas Hose (if  
(11" W.C.**  
to 14" W.C.  
Pressure  
Tee Cap Pipe  
allowed by  
Nipple  
Joint  
Vent  
local codes)  
Pointing  
Down  
Sediment Trap  
Figure 14 - Gas Connection  
* Purchase the optional CSA design-certified  
equipment shutoff valve from your dealer. See  
Accessories, page 31.  
Figure 13 - External Regulator With Vent  
Pointing Down  
** Min. inlet pressure for purpose of input adjustment.  
14  
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Test Pressures Equal To or Less Than  
1/2 PSIG (3.5 kPa)  
1. Close equipment shutoff valve (see Figure 15).  
INSTALLATION  
Continued  
CHECKING GAS CONNECTIONS  
2. Pressurize supply piping system by either  
opening propane/LP supply tank valve for  
propane/LP gas or opening main gas valve  
located on or near gas meter for natural gas  
or using compressed air.  
WARNING:Testallgaspiping  
and connections , internal and  
external to unit, for leaks after  
installing or servicing. Correct  
all leaks at once.  
3. Check all joints from gas meter (natural gas) or  
propane/LPsupply to equipment shutoff valve  
(see Figure 16 or 17). Apply a commercial  
leak detection solution to all joints. Bubbles  
forming show a leak.  
WARNING: Never use an  
open flame to check for a leak.  
Apply a commercial leak de-  
tection solution to all joints.  
Bubbles forming show a leak.  
Correct all leaks at once.  
4. Correct all leaks at once.  
Equipment  
Shutoff Valve  
Open  
Closed  
CAUTION: For propane/LP  
units, make sure external regula-  
tor has been installed between  
propane/LP supply and heater.  
SeeguidelinesunderConnecting  
to Gas Supply, page 13.  
Figure 15 - Equipment Shutoff Valve  
Propane/LP  
Equipment Shutoff Valve  
Supply Tank  
PRESSURE TESTING GAS SUPPLY  
PIPING SYSTEM  
Test Pressures In Excess Of 1/2 PSIG  
(3.5 kPa)  
1. Disconnect appliance with its appliance main  
gasvalve(controlvalve)andequipmentshutoff  
valve from gas supply piping. Pressures in ex-  
cess of 1/2 psig will damage heater regulator.  
Control Valve  
Location  
Figure 16 - Checking Gas Joints  
(Propane/LP Gas Only)  
2. Cap off open end of gas pipe where equipment  
shutoff valve was connected.  
Equipment Shutoff Valve  
3. Pressurize supply piping system by either  
opening propane/LP supply tank valve for  
propane/LP gas or opening main gas valve  
located on or near gas meter for natural gas  
or using compressed air.  
Gas  
Meter  
4. Check all joints of gas supply piping system.  
Apply a commercial leak detection solution  
to all 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.  
Control Valve Location  
Figure 17 - Checking Gas Joints  
(Natural Gas Only)  
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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.  
INSTALLATION  
Continued  
Pressure Testing Heater Gas  
Connections  
1. Open equipment shutoff valve (see Figure 15,  
1. Locate pegs on the bottom of back log (#1).  
Slide these pegs into the holes in the grate base  
behind the burner (see Figure 18).  
page 15).  
2. Open main gas valve located on or near gas  
meter for natural gas or open propane/LP  
supply tank valve.  
2. Locate the notches on the back of the front log  
(#2). Slide these notches over the tabs of the  
grate base (see Figure 19).  
3. Make sure control knob of heater is in the  
OFF position.  
3. Locate the holes in the bottom of the left  
crossover log (#3). Place crossover log on  
pegs on left of the back log and front log (see  
Figure 20, page 17).  
4. Check all joints from gas meter (natural gas)  
or propane/LP supply to equipment shutoff  
valve (see Figure 16 or 17, page 15). Apply  
a commercial leak detection solution to all  
joints. Bubbles forming show a leak.  
4. Locate the holes in the bottom of the right  
crossover log (#4). Place crossover log on  
pegs on right of the back log and front log  
(see Figure 20, page 17).  
5. Correct all leaks at once.  
6. Light heater (see Operating Heater, page 18  
[manually-controlled models] or page 21  
[thermostatically-controlled models]). Check  
all other internal joints for leaks.  
5. Add lava rock around base of heater if desired.  
Do not place lava rock on logs or burner.  
Back Log (#1)  
7. Turn off heater (see To Turn Off Gas to Appli-  
ance, page 20 [manually-controlled models] or  
page 22 [thermostatically-controlled models]).  
INSTALLING LOGS, MODELS  
CGS2718PA, CGS2718NA,  
CGS3124PA, CGS3124NA,  
SGS3124PA AND SGS3124NA  
Hole  
WARNING:Failuretoposition  
thepartsinaccordancewiththese  
diagrams or failure to use only  
parts specifically approved with  
thisheatermayresultinproperty  
damage or personal injury.  
Figure 18 - Installing Back Log  
Front  
Log (#2)  
CAUTION: After installa-  
tion and periodically thereafter,  
check to ensure that no flame  
comes in contact with any log.  
WiththeheatersettoHigh,check  
toseeifamescontactanylog.If  
so, reposition logs according to  
the log installation instructions  
in this manual. Flames contact-  
ing logs will create soot.  
Notch  
Tabs of  
Grate Base  
Figure 19 - Installing Front Log  
16  
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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 21). 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.  
INSTALLATION  
Continued  
Crossover  
Crossover  
Log (#4)  
Log (#3)  
2. Locate pegs on the bottom of back log (#2).  
Slide these pegs into the holes in the grate base  
behind the burner (see Figure 22).  
Pegs  
3. Slide log (#3) over left end of log (#4). Place  
these logs on the grate fingers. Make sure the  
notches of the front log line up with the grate  
fingers (see Figure 23, page 18).  
Middle Log (#1)  
Pegs  
Tab  
Burner  
Figure 20 - Installing Crossover Logs  
INSTALLING LOGS, MODELS  
CLD3018PTA, CLD3018NTA,  
CLD3924PTB AND CLD3924NTB  
“U” Bend  
WARNING:Failuretoposition  
thepartsinaccordancewiththese  
diagrams or failure to use only  
parts specifically approved with  
thisheatermayresultinproperty  
damage or personal injury.  
U-Shaped Slot  
Figure 21 - Installing Middle Log (#1)  
Back Log  
(#2)  
Hole in Grate  
Base  
CAUTION: After installa-  
tion and periodically thereafter,  
check to ensure that no flame  
comes in contact with any log.  
WiththeheatersettoHigh,check  
toseeifamescontactanylog.If  
so, reposition logs according to  
the log installation instructions  
in this manual. Flames contact-  
ing logs will create soot.  
Peg  
Burner  
Figure 22 - Installing Back Log (#2)  
Each log is marked with a number. These numbers  
will help you identify the log when installing. It  
is very important to install these logs exactly as  
instructed. Do not modify logs. Only use logs  
supplied with heater.  
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INSTALLATION  
Crossover  
Log (#7)  
Continued  
4. Place crossover log (#5) onto the pin (left) on  
middle log (#1) and onto the pin on front left  
log (#3) (see Figure 24).  
5. Place crossover log #6 onto the pin (right)  
on middle log (#1) and onto the pin on back  
log (#2) (see Figure 24).  
6. Place crossover log (#7) onto pin on crossover  
log #6 and pin on right front log (#4) (see  
Figure 25).  
5. Add lava rock around base of heater if de-  
sired. Do not place any lava rock on logs or  
burner.  
Figure 25 - Installing Crossover Log (#7)  
OPERATING HEATER  
MANUALLY-CONTROLLED  
MODELS  
Log #4  
FOR YOUR SAFETY  
Log #3  
READ BEFORE LIGHTING  
WARNING: If you do not fol-  
low these instructions exactly,  
a fire or explosion may result  
causing property damage, per-  
sonal injury or loss of life.  
Grate Fingers  
A. This appliance has a pilot which must be  
lighted by hand. When lighting the pilot,  
follow these instructions exactly.  
Figure 23 - Installing Front Logs  
(#3 and #4)  
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.  
Crossover  
Log (#5)  
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 neighborʼs phone. Follow the  
gas supplierʼs instructions.  
Crossover  
Log (#6)  
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, donʼt  
try to repair it, call a qualified service tech-  
nician or gas supplier. Force or attempted  
repair may result in a fire or explosion.  
Figure 24 - Installing Crossover Logs  
(#5 and #6)  
D. Do not use this appliance if any part has been  
under water. Immediately call a qualified  
servicetechniciantoinspecttheapplianceand  
to replace any part of the control system and  
any gas control which has been under water.  
18  
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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 page 18, column 2. If  
you donʼt smell gas, go to the next step.  
OPERATING HEATER  
Continued  
LIGHTING  
INSTRUCTIONS  
5. Slightly depress and turn control knob  
to the PILOT  
WARNING:  
counterclockwise  
position. Press in control knob for five (5)  
seconds (see Figure 26).  
• If fireplace has glass doors,  
never operate this heater with  
glass doors closed. If you op-  
erateheaterwithdoorsclosed,  
heat buildup inside fireplace  
willcauseglasstoburst.Make  
suretherearenoobstructions  
across openings of fireplace.  
• You must operate this heater  
with a fireplace screen in  
place. Make sure fireplace  
screen is closed before run-  
ning heater.  
Note: You may be running this heater for  
the first time after hooking up to gas sup-  
ply. If so, the control knob may need to be  
pressed in for 30 seconds or more. This will  
allow air to bleed from the gas system.  
6. With control knob pressed in, press and  
release ignitor button. This will light pi-  
lot. 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, light pilot  
with match. To light pilot with match, see  
Manual Lighting Procedure, page 20.  
NOTICE:Duringinitialoperation  
of new heater, burning logs will  
give off a paper-burning smell.  
Orange flame will also be pres-  
ent. Open damper or window to  
vent smell. This will only last a  
few hours.  
7. Keep control knob pressed in for30 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.  
Note: Home owners generally prefer to op-  
erate 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.  
8. Slightlydepressandturncontrolknobcoun-  
terclockwise to desired heating level.  
The burner should light. Set control knob  
to any heat level between HI and LO.  
WARNING: Do not operate  
heaterbetweenPILOTandHIGH  
positions.  
WARNING: Damper handle  
will be hot if heater has been  
running.  
1. STOP! Read the safety information page 18,  
column 2.  
HI  
PILOT  
OFF  
LO  
2. Make sure equipment shutoff valve is  
fully open.  
3. Press in and turn control knob clockwise  
to the OFF position.  
Control Knob  
Ignitor Button  
Figure 26 - Control Knob and Ignitor  
Button Location  
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MANUAL LIGHTING  
PROCEDURE  
OPERATING HEATER  
Continued  
1. Follow steps 1 through 5 under Lighting  
Instructions, page 19.  
Ignitor  
Electrode  
Pilot Burner  
2. Depress control knob and light pilot  
with match.  
3. Keep control knob pressed in for30 seconds  
after lighting pilot.After 30 seconds, release  
control knob. Now follow step 8 under  
Lighting Instructions, page 19.  
Thermocouple  
Propane/LP  
Ignitor Electrode  
Pilot Burner  
THERMOSTATICALLY-  
CONTROLLED MODELS  
FOR YOUR SAFETY  
READ BEFORE LIGHTING  
Thermocouple  
WARNING: If you do not fol-  
low these instructions exactly,  
a fire or explosion may result  
causing property damage, per-  
sonal injury or loss of life.  
Natural Gas  
Figure 27 - Pilot  
VARIABLE CONTROL  
OPERATION  
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 re-  
alistic, dancing yellow flames. Selecting higher  
settings produces greater heat output. This  
results in increased heating comfort.  
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  
CAUTION: Do not try to ad-  
just heating levels by using the  
equipment shutoff valve.  
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 neighborʼs phone. Follow the  
gas supplierʼs instructions.  
TO TURN OFF GAS  
TO APPLIANCE  
If you cannot reach your gas supplier,  
call the fire department.  
Shutting Off Heater  
1. Press in and turn control knob clockwise  
to the HI position.  
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, donʼt  
try to repair it, call a qualified service tech-  
nician or gas supplier. Force or attempted  
repair may result in a fire or explosion.  
2. Turn control knob clockwise  
pilot position.  
to the  
3. Press in control knob and turn clockwise  
to the OFF position.  
Shutting Off Burners Only (pilot stays lit)  
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.  
1. Turn control knob clockwise  
HI position.  
to the  
2. Press in and turn control knob clockwise  
to the pilot position.  
20  
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Note: You may be running this heater for  
the first time after hooking up to gas sup-  
ply. If so, the control knob may need to be  
pressed in for 30 seconds or more. This will  
allow air to bleed from the gas system.  
OPERATING HEATER  
Continued  
LIGHTING  
INSTRUCTIONS  
If control knob does not pop out when  
released, contact a qualified service  
person or gas supplier for repairs.  
WARNING  
• If fireplace has glass doors,  
never operate this heater with  
glass doors closed. If you op-  
erateheaterwithdoorsclosed,  
heat buildup inside fireplace  
willcauseglasstoburst.Make  
suretherearenoobstructions  
across openings of fireplace.  
• You must operate this heater  
withareplacescreeninplace.  
Make sure fireplace screen is  
closed before running heater.  
6. Withcontrolknobpressedin,pressandrelease  
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 22.  
7. Keep control knob pressed in for30 seconds  
after lighting pilot.After 30 seconds, release  
control knob.  
Note: If pilot goes out, repeat steps 3  
through 7. This heaterhas a safety interlock  
system. Wait one (1) minute for system to  
reset before lighting pilot again.  
NOTICE:Duringinitialoperationof  
newheater, burninglogswillgive  
offapaper-burningsmell.Orange  
flame will also be present. Open  
damper or window to vent smell.  
This will only last a few hours.  
8. Turn control knob counterclockwise  
to desired heating level. The burners should  
light. Set control knob to any heat level  
between HI and LO.  
CAUTION: Do not try to ad-  
just heating levels by using the  
equipment shutoff valve.  
Note: Home owners generally prefer to op-  
erate 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.  
Control Knob  
Figure 28 - Control Knob and Ignitor  
Button Location  
Ignitor Button  
WARNING:Damperhandlewill  
be hot if heater has been running.  
Ignitor  
Electrode  
1. STOP! Read the safety information,  
page 20, column 2.  
Propane/LP  
Pilot Burner  
2. Make sure equipment shutoff valve is fully open.  
3. Turn control knob clockwise  
OFF position.  
to the  
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, page 20, column 2. If  
you donʼt smell gas, go to the next step.  
Thermocouple  
Ignitor  
Electrode  
5. Turn control knob counterclockwise  
to the PILOT position. Press in control  
knob for five (5) seconds (see Figure 28).  
Natural Gas  
Figure 29 - Pilot  
113101-01C  
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If pilot flame pattern is incorrect, as shown in  
Figure 31  
OPERATING HEATER  
Continued  
turn heater off (see To Turn Off Gas to Appli-  
ance, page 20 [manually-controlled models] or  
page 22 [thermostatically-controlled model])  
TO TURN OFF GAS  
TO APPLIANCE  
see Troubleshooting, page 25  
Shutting Off Heater  
Turn control knob clockwise  
position.  
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.  
to the OFF  
Shutting Off Burners Only (pilot stays lit)  
Turn control knob clockwise  
PILOT position.  
to the  
Pilot Burner  
Pilot Burner  
THERMOSTAT CONTROL  
OPERATION  
The thermostat control knob can be set to any  
comfort level between HI and LO. The ther-  
mostat 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.  
Thermocouple  
Propane/LP  
Natural Gas  
Figure 30 - Correct Pilot Flame Pattern  
Pilot Burner  
Pilot Burner  
Note: Selecting the HI setting with the control  
knob will cause the burner to remain fully on,  
without modulating down in most cases.  
MANUAL LIGHTING  
PROCEDURE  
1. Follow steps 1 through 5 under Lighting  
Instructions on page 21.  
Thermocouple  
Propane/LP  
Natural Gas  
Figure 31 - Incorrect Pilot Flame Pattern  
2. Depress control knob and light pilot  
with match.  
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.  
3. Keep control knob pressed in for30 seconds  
after lighting pilot.After 30 seconds, release  
control knob. Now follow step 8 under  
Lighting Instructions, page 21.  
INSPECTING BURNERS  
MAIN BURNER  
Check pilot flame pattern and burner flame pat-  
terns often.  
Periodically inspect all burner flame holes with the  
heaterrunning. Allslottedburnerameholesshould  
be open with yellow flame present. All round burner  
flame holes should be open with a small blue flame  
present. Some burner flame holes may become  
blocked by debris or rust, with no flame present. If  
so, turn off heater and let cool. Remove blockage,  
blocked burner flame holes will create soot.  
PILOT FLAME PATTERN  
Figure 30 shows a correct pilot flame pattern.  
Figure 31 shows an incorrect pilot flame pat-  
tern. 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.  
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3. Blow air through the ports/slots and holes in  
the burner.  
CLEANING AND  
MAINTENANCE  
4. Check the injector holder located at the end  
of the burner tube again. Remove any large  
particles of dust, dirt, lint or pet hair with a  
soft cloth or vacuum cleaner nozzle.  
WARNING: Turn off heater  
and let cool before cleaning.  
5. Blow air into the primary air holes on the  
injector holder.  
CAUTION: You must keep  
control areas, burner and circu-  
lating air passageways of heater  
clean. Inspect these areas of  
heater before each use. Have  
heaterinspectedyearlybyaquali-  
fied service person. Heater may  
needmorefrequentcleaningdue  
to excessive lint from carpeting,  
bedding material, pet hair, etc.  
6. In case any large clumpsofdusthave nowbeen  
pushed into the burner repeat steps 3 and 4.  
Clean the pilot assembly also. Ayellow tip on the  
pilot flame indicates dust and dirt in the pilot as-  
sembly. There is a small pilot air inlet hole about  
two inches from where the pilot flame comes out  
of the pilot assembly (see Figure 33). With the unit  
off, lightly blow air through the air inlet hole. You  
may blow through a drinking straw if compressed  
air is not available.  
Injector Holder (May  
Be Brass or Aluminum  
Depending on Model)  
WARNING: Failure to keep  
the primary air opening(s) of  
the burner(s) clean may result in  
sooting and property damage.  
Burner Tube  
ODS/PILOT AND BURNER  
Primary Air Inlet Holes  
(Shape of Holes May  
Vary by Model)  
Use a vacuum cleaner or small, soft bristled  
brush to clean.  
BURNER INJECTOR HOLDER AND  
PILOT AIR INLET HOLE  
Figure 32 - Injector Holder On Outlet  
Burner Tube  
The primary air inlet holes allow the proper amount  
of air to mix with the gas. This provides a clean  
burning flame. Keep these holes clear of dust, dirt  
and lint. Clean these air inlet holes prior to each  
heating season. Blocked air holes will create soot.  
We recommend that you clean the unit every three  
months during operation and have heater inspected  
yearly by a qualified service person.  
Ports/Slots  
Burner  
Tube  
We also recommend that you keep the burner  
tube and pilot assembly 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 com-  
pressed air in a can, please follow the directions on  
the can. If you donʼt follow directions on the can,  
you could damage the pilot assembly.  
Pilot  
Assembly  
Pilot Air  
Inlet Hole  
1. Shut off the unit, including the pilot.Allow the  
unit to cool for at least thirty minutes.  
Figure 33 - Pilot Inlet Air Hole  
2. Inspect burner, pilot and primary air inlet  
holes on injector holder for dust and dirt (see  
Figure 32).  
113101-01C  
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CLEANING AND  
REPLACEMENT PARTS  
Note: Use only original replacement parts. This  
will protect your warranty coverage for parts  
replaced under warranty.  
MAINTENANCE  
Continued  
LOGS  
PARTS UNDER WARRANTY  
If you remove logs for cleaning, refer to Install-  
ing Logs, page 16, to properly replace logs.  
Contact authorized dealers of this product. If  
they canʼt supply original replacement part(s),  
call DESA Heating Productsʼ Technical Service  
Department at 1-866-672-6040.  
Replace log(s) if broken or chipped (dime-sized  
or larger).  
BURNER PRIMARY AIR HOLES  
When calling DESA Heating Products, have  
ready  
Air is drawn into the burner through the 8 holes  
in the brass 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.  
your name  
your address  
model and serial numbers of your heater  
how heater was malfunctioning  
type of gas used (propane/LP or natural gas)  
purchase date  
MAIN BURNER  
Periodically inspect all burner flame holes with  
the heater running. All slotted burner flame holes  
should be open with yellow flame present. All  
round burner flame holes should be open with a  
Usually, we will ask you to return the part to the  
factory.  
PARTS NOT UNDER WARRANTY  
small blue flame present. Some burner flame holes Contact authorized dealers of this product. If they  
may become blocked by debris or rust, with no canʼt supply original replacement part(s), call  
flame present. If so, turn off heater and let cool. DESA Heating Products at 1-866-672-6040 for  
Remove blockage, blocked burner flame holes referral information.  
will create soot.  
When calling DESA Heating Products, have  
ready  
TECHNICAL SERVICE  
model number of your heater  
the replacement part number  
You may have further questions about installation,  
operation or troubleshooting. If so, contact DESA  
Heating Productsʼ Technical Service Department  
at 1-866-672-6040. When calling please have your  
model and serial numbers of your heater ready.  
You can also visit DESAHeating Productsʼtechni-  
cal service web site at www.desatech.com.  
SERVICE HINTS  
When Gas Pressure Is Too Low  
pilot will not stay lit  
burners will have delayed ignition  
heater will not produce specified heat  
propane/LP gas supply may be low  
You may feel your gas pressure is too low. If so, con-  
tact your local natural or propane/LP gas supplier.  
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TROUBLESHOOTING  
WARNING:Turnoffandunplugheaterandletcoolbeforeservicing.  
Only a qualified service person should service and repair heater.  
CAUTION: Never use a wire, needle or similar object to clean  
ODS/pilot. This can damage ODS/pilot unit.  
Note: All troubleshooting items are listed in order of operation.  
OBSERVED PROBLEM POSSIBLE CAUSE  
REMEDY  
When ignitor button is pressed, 1. Ignitor electrode not con- 1. Reconnect ignitor cable  
there is no spark at ODS/pilot  
nected to ignitor cable  
2. Ignitor cable pinched or wet 2. Free ignitor cable if pinched  
by any metal or tubing. Keep  
ignitor cable dry  
3. Piezo ignitor nut is loose  
3. Tighten nut holding piezo ig-  
nitortobasepaneloflogset.Nut  
is located behind base panel  
4. Replace ignitor cable  
5. Replace piezo ignitor  
6. Replace pilot assembly  
4. Broken ignitor cable  
5. Bad piezo ignitor  
6. Ignitor electrode broken  
7. Ignitor electrode positioned 7. Replace pilot assembly  
wrong  
When ignitor button is pressed, 1. Gassupplyturnedofforequip- 1. Turn on gas supply or open  
there is spark at ODS/pilot but  
no ignition  
ment shutoff valve closed  
2. Control knob not in PILOT 2. Turn control knob to PILOT  
position position  
3. Control knob not pressed in 3. Press in control knob while in  
while in PILOT position PILOT position  
4. Air in gas lines when in- 4. Continue holding down con-  
equipment shutoff valve  
stalled  
trol knob. Repeat igniting op-  
eration until air is removed  
5. Depleted gas supply (propane/ 5. Contact local propane/LP gas  
LP only)  
6. ODS/pilot is clogged  
company  
6. CleanODS/pilot(see Cleaning  
and Maintenance, page 23) or  
replace ODS/pilot assembly  
7. Gas regulator setting is not 7. Replace gas regulator  
correct  
113101-01C  
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TROUBLESHOOTING  
Continued  
OBSERVED PROBLEM POSSIBLE CAUSE  
REMEDY  
ODS/pilot lights but flame goes 1. Control knob not fully pressed 1. Press in control knob fully  
out when control knob is re-  
leased  
in  
2. Control knob not pressed in 2. AfterODS/pilotlights,keepcon-  
long enough trol knob pressed in 30 seconds  
3. Safety interlock system has 3. Wait one minute for safety in-  
been triggered  
terlock system to reset. Repeat  
ignition operation  
4. Equipment shutoff valve not 4. Fully open equipment shutoff  
fully open valve  
5. Pilot flame not touching ther- 5. A) Contact local natural or  
mocouple, which allows ther-  
mocouple to cool, causing  
pilot flame to go out. This  
problem could be caused by  
one or both of the following:  
A) Low gas pressure  
propane/LP gas company  
B) Clean ODS/pilot (see  
Cleaning and Maintenance,  
page 23) or replace ODS/pilot  
assembly  
B) Dirty or partially clogged  
ODS/pilot  
6. Thermocouple connection 6. Hand tighten until snug, then  
loose at control valve  
7. Thermocouple damaged  
8. Control valve damaged  
tighten 1/4 turn more  
7. Replace pilot assembly  
8. Replace control valve  
Burner does light after ODS/pi- 1. Burner orifice clogged  
lot is lit  
1. Clean burner (see Cleaning  
and Maintenance, page 23) or  
replace burner orifice  
2. Inlet gas pressure is too low 2. Contact local natural or pro-  
pane/LP gas company  
Delayed ignition of burner  
1. Manifold pressure is too low 1. Contact local natural or pro-  
pane/LP gas company  
2. Burner orifice clogged  
2. Clean burner (see Cleaning  
and Maintenance, page 23) or  
replace burner orifice  
Burner backfiring during com- 1. Burner orifice is clogged or 1. Clean burner (see Cleaning  
bustion  
damaged  
and Maintenance, page 23) or  
replace burner orifice  
2. Damaged burner  
3. Gas regulator defective  
2. Replace damaged burner  
3. Replace gas regulator  
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TROUBLESHOOTING  
Continued  
OBSERVED PROBLEM POSSIBLE CAUSE  
REMEDY  
Slightsmokeorodorduringinitial 1. Not enough air  
operation  
1. Check burner for dirt and  
debris. If found, clean burner  
(see Cleaning and Mainte-  
nance, page 23)  
2. Gas regulator defective  
2. Replace gas regulator  
3. Residues from manufacturing 3. Problem will stop after a few  
processes and logs curing hours of operation  
Moisture/condensation noticed 1. Not enough combustion/ven- 1. Refer to Air for Combustion  
on windows  
tilation air  
and Ventilation requirements  
(page 5)  
Heaterproducesawhistlingnoise 1. Turning control knob to HI 1. Turn control knob to LO posi-  
when burner is lit  
position when burner is cold  
tion and let warm up for a  
minute  
2. Air in gas line  
2. Operate burner until air is  
removed from line. Have gas  
line checked by local natural  
or propane/LP gas company  
3. Air passageways on heater 3. Observe minimum installation  
blocked clearances (see page 8)  
4. Dirty or partially clogged 4. Clean burner (see Cleaning  
burner orifice  
and Maintenance, page 23) or  
replace burner orifice  
White powder residue forming 1. When heated, vapors from 1. Turn heater off when using  
within burner box or on adjacent  
walls or furniture  
furniture polish, wax, carpet  
cleaners, etc. may turn into a  
white powder residue  
furniture polish, wax, carpet  
cleaners or similar products  
Heater produces a clicking/tick- 1. Metal expanding while heating 1. Thisiscommonwithmostheat-  
ing noise just after burner is lit  
or shut off  
or contracting while cooling  
ers.Ifnoiseisexcessive,contact  
qualified service person  
113101-01C  
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TROUBLESHOOTING  
Continued  
WARNING: If you smell gas  
• Shut off gas supply.  
• Do not try to light any appliance.  
• Do not touch any electrical switch; do not use any phone in your  
building.  
• Immediately call your gas supplier from a neighbor’s phone. Fol-  
low the gas supplier’s instructions.  
• If you cannot reach your gas supplier, call the fire department.  
Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover,  
cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix  
with combustion air and create odors. These odors will disappear over time.  
OBSERVED PROBLEM POSSIBLE CAUSE  
REMEDY  
Heater produces unwanted 1. Heater burning vapors from 1. Open window and ventilate  
odors  
paint, hair spray, glues, clean-  
ers, chemicals, new carpet,  
etc. (See IMPORTANT state-  
ment above)  
room. Stop using odor caus-  
ing products while heater is  
running  
2. Low fuel supply (propane/LP 2. Refill supply tank (propane/LP  
only) only)  
3. Gas leak. See Warning 3. Locate and correct all leaks  
statement above  
(see Checking Gas Connec-  
tions, page 15)  
Heater shuts off in use (ODS 1. Not enough fresh air is avail- 1. Open window and/or door for  
operates)  
able  
2. Low line pressure  
ventilation  
2. Contact local natural or pro-  
pane/LP gas company  
3. ODS/pilot is partially 3. Clean ODS/pilot (see Cleaning  
clogged and Maintenance, page 23)  
Gasodorevenwhencontrolknob 1. Gas leak. See Warning 1. Locate and correct all leaks  
is in OFF position  
statement above  
(see Checking Gas Connec-  
tions, page 15)  
2. Replace control valve  
2. Control valve defective  
Gas odor during combustion  
1. Foreign matter between con- 1. Take apart gas tubing and  
trol valve and burner remove foreign matter  
2. Gas leak. See Warning 2. Locateandcorrectallleaks(see  
statement above  
Checking Gas Connections,  
page 15)  
Log set cycles to pilot, but room 1. Thermostat sensing bulb needs 1. Reposition thermostat sensing  
temperaturedropstoalowerthan  
ideal level before log set comes  
back on  
to be repositioned  
bulb (see Optional Positioning  
of Thermostat Sensing Bulb,  
page 29  
28  
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OPTIONAL POSITIONING  
OF THERMOSTAT  
SENSING BULB  
FOR MASONRY AND FACTORY-  
BUILT METAL FIREPLACE  
If your log set cycles to pilot, but the room tem-  
perature drops to a lower than ideal comfort level  
before the log set comes back on, you may want  
to reposition the thermostat sensing bulb.  
Figure 35 - Adhesive-backed Mounting Clip  
Thermostat  
Screw  
Thermostat  
Sensing  
Bulb  
Capillary  
The thermostat sensing bulb is located near the  
gas valve assembly on the mounting bracket.  
This location allows the thermostat to keep the  
room temperature at an ideal comfort level for  
most fireplace applications. For positioning the  
thermostat sensing bulb elsewhere, an adhesive-  
backed mounting clip is available.  
Retaining  
Clamp  
Tools needed: 1/4" hex driver or socket  
Figure 36 - Removing Thermostat  
Sensing Bulb  
Thermostat  
1. Remove logs. Locate the gas valve assembly  
and thermostat sensing bulb (see Figure 34).  
2. With 1/4" hex driver or socket, loosen the  
thermostatscrew. Carefullyslidethethermostat  
sensing bulb out of the retaining clamp (see  
Figure 36).  
Sensing Bulb  
Note: Do not remove the screw. Make sure  
you tighten the screw after removing the  
thermostat sensing bulb.  
Adhesive-backed  
Mounting Clip  
IMPORTANT: Do not force or bend the  
thermostat sensing bulb or capillary.  
Figure 37 - Locating Thermostat Sensing  
Bulb on Masonry Fireplace  
3. The thermostat sensing bulb may be located to  
thelowerrightfrontsideofreplace. Determine  
location of sensing bulb, but do not mount sens-  
ingbulbuntilstep4. If you have a masonry fire-  
place, see Figure 37 for location. If you have  
a factory-built metal fireplace, see Figure 38  
for location. If your fireplace has glass doors,  
position sensing bulb directly behind door gap  
on right bottom side (see Figure 39).  
Thermostat  
Sensing Bulb  
Adhesive-backed  
Mounting Clip  
Gas Valve  
Assembly  
Figure 38 - Locating Thermostat Sensing  
Bulb on Factory-built Metal Fireplace  
Thermostat  
Sensing Bulb  
Adhesive-  
backed  
Mounting Clip  
Mounting  
Bracket  
Thermostat  
Sensing Bulb  
Figure 34 - Location of Gas Valve  
Assembly and Thermostat Sensing Bulb  
Glass Doors  
Figure 39 - Installing Thermostat Sensing  
Bulb behind Glass Doors  
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OPTIONAL POSITIONING  
OF THERMOSTAT  
Thermostat  
Sensing Bulb  
Adhesive-  
backed  
Mounting Clip  
SENSING BULB  
Continued  
4. The mounting clip must be a minimum of 3"  
from bottom of fireplace to prevent crimping  
of capillary. Once you have decided on a  
location, clean the area thoroughly. Remove  
the paper backing from the adhesive on back  
of mounting clip. Press the clip into the new  
location so that the thermostat sensing bulb  
will be positioned vertically with the capil-  
lary at the bottom (see Figure 40). Slide the  
thermostat sensing bulb into the clip.  
Capillary  
Do Not Crimp  
Capillary  
Figure 40 - Positioning the Thermostat  
Sensing Bulb in the Vertical Position  
with the Capillary at the Bottom  
IMPORTANT: Do not crimp capillary.  
SPECIFICATIONS  
18" Model  
18" Model  
24" Model  
24" Model  
(CGS2718PA)  
(CLD3018PTA)  
(CGS3124PA)  
(SGS3124PA)  
(CLD3924PTB)  
Btu (Variable)  
Type Gas  
16,000/27,000  
Propane/LP  
Piezo  
18,000/30,000  
Propane/LP  
Piezo  
16,000/31,500  
Propane/LP  
Piezo  
20,000/39,000  
Propane/LP  
Piezo  
Ignition  
Manifold Pressure  
8.0" W.C.  
8.0" W.C.  
8.0" W.C.  
8.0" W.C.  
Inlet Gas Pressure (in. of water)  
Maximum  
Minimum*  
Shipping Weight  
14"  
11"  
27 lbs.  
14"  
11"  
27 lbs.  
14"  
11"  
29lbs.  
14"  
11"  
27 lbs.  
* For the purpose of input adjustment  
18" Model  
18" Model  
24" Model  
24" Model  
(CGS2718NA)  
(CLD3018NTA)  
(CGS3124NA)  
(SGS3124NA)  
(CLD3924NTB)  
Btu (Variable)  
Type Gas  
16,000/27,000  
Natural Gas  
Piezo  
18,000/30,000  
Natural Gas  
Piezo  
16,000/31,500  
Natural Gas  
Piezo  
20,000/39,000  
Natural Gas  
Piezo  
Ignition  
Manifold Pressure  
3.5" W.C.  
3.5" W.C.  
3.5" W.C.  
3.5" W.C.  
Inlet Gas Pressure (in. of water)  
Maximum  
Minimum*  
Shipping Weight  
10.5"  
5"  
27 lbs.  
10.5"  
5"  
27 lbs.  
10.5"  
5"  
29 lbs.  
10.5"  
5"  
29 lbs  
* For the purpose of input adjustment  
30  
113101-01C  
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ACCESSORIES  
Purchase these fireplace accessories from your  
local dealer. If they can not supply these acces-  
sories, either contact your nearest Parts Central or  
call DESA Heating Productsʼ Sales Department  
at 1-866-672-6040 for information. You can  
also write to the address listed on the back page  
of this manual.  
FIREPLACE HOOD  
Black - GA6050  
Brass - GA6052  
Antique Brass - GA6053  
For all models. Helps deflect heat away from  
mantel or wall above fireplace.  
LAVA ROCK - GA6060  
(Not Shown)  
For all models. Order when additional rock is  
EQUIPMENT SHUTOFF VALVE  
GA5010  
For all models. Equipment shutoff valve with 1/8"  
desired. (2 lb. bag).  
NPT tap. Fits 1/2" NPT pipe.  
INFORMATION VIDEO - 108917-01  
For all models. A care and maintenance video is  
available by calling 1-866-672-6040. You may  
also email your request to  
DAMPER CLAMP - GA6080  
(Not Shown)  
For variably-controlled models. Permanently  
opens chimney flue damper for vented operation.  
PARTS CENTRAL  
These Parts Centrals are privately owned businesses. They have agreed to support our customerʼs needs  
by providing original replacement parts and accessories.  
Tool & Equipment, Co.  
5 Manila Ave  
Washer Equipment Co.  
1715 Main Street  
Hamden, CT 06514-0322  
1-800-397-7553  
203-248-7553  
Kansas City, MO 64108-2195  
KS, MO, AR  
816-842-3911  
Parts Department  
Portable Heater Parts  
342 N. County Rd. 400 East  
Valparaiso, IN 46383-9704  
All States  
219-462-7441  
1-888-619-7060  
East Coast Energy Products  
707 Broadway  
W. Long Branch, NJ 07764-1542  
732-870-8809  
1-800-755-8809  
21st Century  
2950 Fretz Valley Road  
Perkasie, PA 18944-4034  
215-795-0400  
FBD  
1349 Adams Street  
Bowling Green, KY 42103-3414  
270-846-1199  
1-800-654-8534  
Fax: 1-800-846-0090  
800-325-4828  
Laporte’s Parts & Service  
2444 N. 5th Street  
Hartsville, SC 29550-7704  
843-332-0191  
Parts Department  
Master Parts Dist.  
1251 Mound Ave. NW  
Grand Rapids, MI 49504-2672  
616-791-0505  
1-800-446-1446  
Fax: 616-791-8270  
Cans Unlimited, Inc.  
P.O. Box 645  
Taylor, SC 29687-0013  
All States  
803-879-3009  
1-800-845-5301  
113101-01C  
31  
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ILLUSTRATED PARTS BREAKDOWN  
VARIABLE MANUALLY-CONTROLLED WINCHESTER OAK MODELS  
CGS2718NA, CGS2718PA  
CGS3124NA, CGS3124PA  
SGS3124NA, SGS3124PA  
4
3
2
21  
11  
1
18  
19  
20  
12  
13  
9
8
6
22  
22  
10  
14  
5
19  
7
22  
20  
17  
15  
16  
32  
113101-01C  
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PARTS LIST  
VARIABLE MANUALLY-CONTROLLED WINCHESTER OAK MODELS  
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions  
listed under Replacement Parts on page 24 of this manual.  
PART NUMBER  
KEY CGS2718N CGS2718P  
NO.  
CGS3124N CGS3124P  
SGS3124N SGS3124P  
DESCRIPTION  
QTY.  
1
113571-02 113571-02 113572-02 113572-02 Back Log (#1)  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
113571-01 113571-01 113572-01 113572-01 Front Log (#2)  
113571-03 113571-03 113572-03 113572-03 Left Crossover Log (#3)  
113571-04 113571-04 113572-04 113572-04 Right Crossover Log (#4)  
3
4
5
**  
**  
**  
**  
Painted Base Assembly  
6
102844-01 102844-01 102844-01 102844-01 Lower Bracket  
098276-01 098276-01 098276-01 098276-01 Hex Head Plug, 1/8" NPT  
098867-14 098867-10 098867-14 098867-10 Gas Regulator  
111331-04 102780-05 111331-04 102780-05 Outlet Burner Tube  
102798-01 102798-01 102798-01 102798-01 Inlet Tube  
099056-20 099056-21 099056-18 099056-19 Burner Orifice Injector  
111124-01 111124-01 111124-01 111124-01 Burner Retainer Spring  
102963-02 102963-02 102773-03 102773-03 Burner  
102568-07 102568-08 102568-07 102568-08 Control Valve  
098508-01 098508-01 098508-01 098508-01 Valve Retainer Nut  
098354-01 098354-01 098354-01 098354-01 Control Knob  
102445-01 102445-01 102445-01 102445-01 Piezo Ignitor  
098249-01 098249-01 098249-01 098249-01 Nut, M5  
099387-08 099387-08 099387-08 099387-08 Pilot Tube  
098271-10 098271-10 098271-10 098271-10 Ignitor Cable  
104285-01 104286-01 104285-01 104286-01 ODS Pilot  
M11084-38 M11084-38 M11084-38 M11084-38 Screw, Hex Head  
(#8-18 x .38)  
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
8
PARTS AVAILABLE — NOT SHOWN  
100563-01 100563-01 100563-01 100563-01 Warning Plate  
101055-02 101055-02 101055-02 101055-02 Lighting Instructions Plate  
100565-01 100565-01 100565-01 100565-01 Warning Plate Fastener  
100639-01 100639-01 100639-01 100639-01 Caution Decal  
101449-04 101449-04 101449-04 101449-04 Control Position Decal  
101137-02 101137-02 101137-02 101137-02 Hardware Kit  
1
1
1
1
1
1
1
GA6060  
GA6060  
GA6060  
GA6060  
Lava Rock  
** Not a field replaceable part.  
113101-01C  
33  
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ILLUSTRATED PARTS BREAKDOWN  
THERMOSTATICALLY-CONTROLLED ROYAL ENGLISH OAK MODELS  
CLD3924NTB, CLD3924PTB  
CLD3018NTA, CLD3018PTA  
2
6
7
5
4
1
3
21  
23  
13  
19  
20  
12  
11  
14  
24  
10  
15  
8
9
22  
16  
22  
22  
17  
25  
22  
20  
18  
22  
34  
113101-01C  
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PARTS LIST  
THERMOSTATICALLY-CONTROLLED ROYAL ENGLISH OAK MODELS  
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions  
listed under Replacement Parts on page 24 of this manual.  
KEY  
PART NUMBER  
NO. CLD3924NTB CLD3924PTB CLD3018NTA CLD3018PTA DESCRIPTION  
QTY.  
1
2
3
4
5
6
7
8
9
117230-05  
117230-04  
117230-06  
117230-07  
117230-08  
117230-10  
117230-09  
117230-05  
117230-04  
117230-06  
117230-07  
117230-08  
117230-10  
117230-09  
117230-02  
117230-01  
117230-03  
117230-07  
117230-08  
117230-10  
117230-09  
117230-02 Middle Log (#1)  
117230-01 Rear Log (#2)  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
117230-03 Right Front Log (#3)  
117230-07 Left Front Log (#4)  
117230-08 Left Top Log (#5)  
117230-10 Right Top Log (#6)  
117230-09 Middle Top Log (#7)  
102844-01 102844-01 102844-02 102844-02 Lower Bracket  
098867-14 098867-10 098867-14 098867-10 Gas Regulator  
10 102981-01 102981-01 102981-01 102981-01 Inlet Tube  
11 102983-01 102983-01 111331-08  
102983-06 Outlet Burner Tube  
12 099056-16 099056-17 099056-18 099056-19 Burner Orifice Injector  
13 111124-01  
111124-01  
111124-01  
111124-01 Burner Retainer Spring  
14 102772-01 102772-01 102980-01 102980-01 Burner  
15 101329-20 101329-19 101329-21 101329-30 Thermostat Gas  
Valve Assembly  
1
1
1
1
1
1
1
16 102979-01 102979-01 102979-01 102979-01 Thermostat Bracket  
17 098544-01 098544-01 098544-01 098544-01 Thermobulb Clip  
18 102445-01 102445-01 102445-01 102445-01 Piezo Ignitor  
19 099387-09 099387-09 099387-09 099387-09 Pilot Tube  
20 098271-10 098271-10 098271-10 098271-10 Ignitor Cable  
21 104285-01 104286-01 104285-01 104286-01 ODS Pilot  
22 M11084-38 M11084-38 M11084-38 M11084-38 Hex Screw, #8-18 x .38 13  
23 098249-01 098249-01 098249-01 098249-01 Nut, M5  
2
2
1
24 099211-01  
25 **  
099211-01  
**  
099211-01  
**  
099211-01 Hex Screw, 10-16 x 2.50  
** Painted Base Assembly  
PARTS AVAILABLE — NOT SHOWN  
100563-01 100563-01 100563-01 100563-01 Warning Plate  
1
101054-01 101054-01 101054-01 101054-01 Lighting Instructions  
Plate  
1
1
1
1
1
100565-01 100565-01 100565-01 100565-01 Warning Plate Fastener  
100639-02 100639-02 100639-02 100639-02 Caution Decal  
101137-02  
GA6060  
101137-02  
GA6060  
101137-02  
GA6060  
101137-02 Hardware Kit  
GA6060 Lava Rock  
** Not a field replaceable part.  
113101-01C  
35  
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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  
VENT-FREE GAS FIREPLACE  
DESA Heating Products warrants this product to be free from defects in materials and components for two (2)  
years 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 Heating  
ProductsAuthorized Service Center. Warranty part(s) MUST be obtained through authorized dealers of this product  
and/or DESAHeating Products who will provide original factory replacement parts. Failure to use original factory  
replacement parts voids this warranty. The heater 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 or become damaged as a result of misuse, accidents, lack of proper maintenance or defects caused by improper  
installation. 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.  
TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE  
OF THE PRODUCT; THIS EXPRESS WARRANTYEXCLUDESANYANDALLOTHER EXPRESSED WAR-  
RANTIESAND LIMITS THE DURATION OFANYANDALLIMPLIED WARRANTIES, INCLUDING WAR-  
RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO TWO (2) YEARS  
ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE; AND DESA HEATING PRODUCTSʼ  
LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA HEATING  
PRODUCTS SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDI-  
RECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES.  
Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of  
incidental or consequential damages, so the above limitation on implied warranties or exclusion or limitation on  
damages may not apply 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  
113101-01  
Rev. C  
113101 01  
06/05  
NOT A UPC  
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