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BLUE FLAME VENT-FREE NATURAL GAS HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
CG6N
CG10N
CGS10N
10,000 and 6,000 Btu/Hr
Thermostat and
Non-Thermostat Models
WARNING: If the information in this manual is
not followed exactly, a fire or explosion may
result causing property damage, personal in-
jury, 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.
• 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 performed by
a qualified installer, service agency, or the
gas supplier.
This appliance may be installed in an aftermarket*, permanently located, manufac-
tured (mobile) home, where not prohibited by local codes.
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.
*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
Save this manual for future reference.
WARNING: Improper installa-
tion, adjustment, alteration,
service, or maintenance can
cause injury or property dam-
age. Refer to this manual for
correct installation and opera-
tional procedures. For assis-
tance or additional informa-
tion consult a qualified in-
staller, service agency, or the
gas supplier.
WARNING: This is an unvented
gas-fired heater. It uses air (oxy-
gen) from the room in which it
is installed. Provisions for ad-
equate combustion and venti-
lation air must be provided.
Refer to Air For Combustion
and Ventilation on page 4 of
this manual.
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Table of Contents
Related Manuals for Comfort Glow CG10N
Summary of Contents for Comfort Glow CG10N
- Page 1 BLUE FLAME VENT-FREE NATURAL GAS HEATER OWNER’S OPERATION AND INSTALLATION MANUAL CG6N CG10N CGS10N 10,000 and 6,000 Btu/Hr Thermostat and Non-Thermostat Models WARNING: Improper installa- WARNING: If the information in this manual is tion, adjustment, alteration, not followed exactly, a fire or explosion may service, or maintenance can result causing property damage, personal in- cause injury or property dam-...
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Page 2: Safety Information
NATURAL GAS HEATER If heater shuts off, do not relight until SAFETY Do not place clothing or other you provide fresh, outside air. If heater flammable material on or near INFORMATION keeps shutting off, have it serviced. the appliance. Never place any 6. -
Page 3: Product Identification
OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES SAFETY DEVICE Control Knob Piezo Ignitor This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff sys- tem. 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. -
Page 4: Air For Combustion And Ventilation
NATURAL GAS HEATER AIR FOR PROVIDING ADEQUATE Confined and Unconfined Space VENTILATION COMBUSTION AND The National Fuel Gas Code, ANS Z223.1 defines a confined space as a space whose The following are excerpts from National VENTILATION volume is less than 50 cubic feet per 1,000 Fuel Gas Code. -
Page 5: Determining Fresh-Air Flow For Heater Location
OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms. -
Page 6: Ventilation Air
NATURAL GAS HEATER AIR FOR COMBUSTION AND VENTILATION 12" Continued VENTILATION AIR Ventilation Air From Inside Ventilation Grills Building Into Adjoining Room, Ventilation Option 2 Grills This fresh air would come from an adjoining into Adjoining Remove unconfined space. When ventilating to an Room, Door into adjoining unconfined space, you must pro-... -
Page 7: Check Gas Type
OWNER’S MANUAL INSTALLATION LOCATING HEATER CEILING This heater is designed to be mounted on a wall. NOTICE: This heater is intended 36" for use as supplemental heat. Use WARNING: Maintain the mini- Minimum 6" this heater along with your pri- mum clearances shown in Figure Minimum mary heating system. - Page 8 NATURAL GAS HEATER INSTALLATION For thin walls (1/2" or less), insert red WARNING: Maintain minimum key into wall anchor. Push red key to Continued clearances shown in Figure 8. If “pop” open anchor wings. you can, provide greater clear- IMPORTANT: Do not hammer key! Removing Front Panel Of Heater ances from floor and joining wall.
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Page 9: Connecting To Gas Supply
OWNER’S MANUAL INSTALLATION Apply pipe joint sealant lightly to male CAUTION: Use only new, threads. This will prevent excess sealant Continued black iron or steel pipe. Inter- from going into pipe. Excess sealant in pipe nally-tinned copper tubing may If installing bottom mounting screw into could result in clogged heater valves. -
Page 10: Checking Gas Connections
NATURAL GAS HEATER INSTALLATION Pressure Testing Heater Gas Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) Connections Continued 1. Close equipment shutoff valve (see Fig- Open equipment shutoff valve (see Fig- ure 14). CHECKING GAS ure 14). 2. -
Page 11: Operating Heater
OWNER’S MANUAL OPERATING Note: If pilot does not stay lit, refer LIGHTING to Troubleshooting, pages 14 through INSTRUCTIONS HEATER 16. Also contact a qualified service person or gas supplier for repairs. STOP! Read the safety information Until repairs are made, light pilot with NON-THERMOSTAT MODELS in column 1. -
Page 12: Thermostat Control Operation
NATURAL GAS HEATER OPERATING Note: If pilot does not stay lit, refer LIGHTING to Troubleshooting, pages 14 through INSTRUCTIONS HEATER 16. Also contact a qualified service person or gas supplier for repairs. Continued 1. STOP! Read the safety information Until repairs are made, light pilot with in column 1. -
Page 13: Inspecting Burner
OWNER’S MANUAL OPERATING ODS/PILOT AND BURNER WARNING: If yellow tipping • Use a vacuum cleaner, pressurized air, HEATER occurs, your heater could pro- or small, soft bristled brush to clean. duce increased levels of carbon Continued monoxide. If burner flame pat- CLEANING BURNER MANUAL LIGHTING tern shows yellow tipping, follow... -
Page 14: Troubleshooting
NATURAL GAS HEATER TROUBLESHOOTING CAUTION: Never use a wire, WARNING: Turn off heater needle, or similar object to clean and let cool before servicing. Only Note: For additional help, visit DESA ODS/pilot. This can damage ODS/ a qualified service person should International’s technical service web pilot unit. - Page 15 OWNER’S MANUAL TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Burner orifice is clogged 1. Clean burner orifice (see Cleaning and Maintenance, page 13) or replace burner orifice 2. Burner orifice diameter is too small 2.
- Page 16 NATURAL GAS HEATER TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
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Page 17: Specifications
OWNER’S MANUAL SPECIFICATIONS CG10N CG6N CGS10N Btu (Variable) 5,000/10,000 4,400/6,000 5,000/10,000 Type Gas Natural Only Natural Only Natural Only Ignition Piezo Piezo Piezo Pressure Regulator Setting 3" W.C. 3" W.C. 3" W.C. Inlet Gas Pressure (inches of water) Maximum 10.5" 10.5"... -
Page 18: Replacement Parts
NATURAL GAS HEATER ACCESSORY REPLACEMENT PARTS NOT UNDER WARRANTY PARTS Purchase this heater accessory from your local dealer. If they cannot supply this ac- Contact authorized dealers of this product. Note: Use only original replacement parts. cessory, either contact your nearest Parts If they cannot supply original replacement This will protect your warranty coverage for Central (see page 19) or call DESA... -
Page 19: Parts Centrals
OWNER’S MANUAL PARTS CENTRALS These Parts Centrals are privately owned businesses. They have agreed to support our customer's needs by providing original replacement parts and accessories. Washer Equipment Co. Dayton Hardware Baltimore Electric 1348 Dixwell Avenue 1715 Main Street P.O. Box 275 Hamden, CT 06514-0322 Kansas City, MO 64108-2195 North Dayton Station... -
Page 20: Illustrated Parts List
NATURAL GAS HEATER ILLUSTRATED PARTS LIST CG10N 25-1 25-2 ODS Pilot Assembly 107294... -
Page 21: Parts List
OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 18 of this manual. CG10N PART NO. CG10N DESCRIPTION QTY. L98409-11 Cabinet Assembly L98006-04 Front Panel Assembly L98410-08 Reflector Unit L98501-03... - Page 22 NATURAL GAS HEATER ILLUSTRATED PARTS LIST CG6N 25-1 25-2 ODS Pilot Assembly 107294...
- Page 23 OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 18 of this manual. CG6N PART NO. CG6N DESCRIPTION QTY. L98409-11 Cabinet Assembly L98006-04 Front Panel Assembly L98410-08 Reflector Unit L98501-03...
- Page 24 NATURAL GAS HEATER ILLUSTRATED PARTS LIST CGS10N 27-1 27-2 ODS Pilot Assembly 107294...
- Page 25 OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 18 of this manual. CGS10N PART NO. CGS10N DESCRIPTION QTY. L98409-12 Cabinet Assembly L98006-04 Front Panel Assembly L98410-08 Reflector Unit L98501-03...
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Page 26: Warranty Information
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.