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103546

TECHNICAL

SERVICE

You may have further questions about installation, operation, or troubleshooting.
If so, contact DESA International’s Technical Service Department at 1-800-323-
5190.

CGN6L

CGN10L

Btu (Variable)

4,400/6,000

5,000/10,000

Type Gas

Natural Only

Natural Only

Ignition

Piezo

Piezo

Pressure Regulator Setting

3" W.C.

3" W.C.

Inlet Gas Pressure (inches of water)

Maximum

10.5"

10.5"

Minimum

4"

4"

Dimensions, Inches (H x W x D)

Heater

20 1/2 x 13 1/2 x 5

20 1/2 x 13 1/2 x 5

Carton

25 x 16 11/16 x 7 1/2

25 x 16 11/16 x 7 1/2

Weight (pounds)

Heater

13.5

13.5

Shipping

17

18

Note:

 Use only original replacement parts. This will protect your warranty coverage

for parts replaced under warranty.

Parts Under Warranty

Contact authorized dealer from whom you purchased this product. If they cannot
supply original replacement part(s), either contact your nearest Parts Central (see
page 25) or call DESA International’s Technical Service Department at 1-800-323-
5190 for referral information.

When contacting your dealer or DESA International, have ready:

• your name
• your address
• model number of your heater
• how heater was malfunctioning
• type of gas used (propane/LP or natural gas)
• purchase date

Usually, we will ask you to return the defective part to the factory.

Parts Not Under Warranty

Contact authorized dealers of this product. If they cannot supply original replace-
ment part(s), either contact your nearest Parts Central (see page 25) or call DESA
International’s Parts Department at 1-800-972-7879 for referral information.

When calling DESA International, have ready:

• model number of your heater
• the replacement part number

REPLACEMENT

PARTS

When gas pressure is too low

• pilot will not stay lit
• burner will have delayed ignition
• heater will not produce specified heat

When gas quality is bad

• pilot will not stay lit
• burner will produce flames and soot
• heater will backfire when lit

You may feel your gas pressure is too low or gas quality is bad. If so, contact your
local natural gas supplier.

SERVICE

HINTS

SPECIFICATIONS

Summary of Contents for Comfort Glow CGN10L

Page 1: ...mmediately 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 perform...

Page 2: ...losion and carbon monoxide poisoning WARNING ICON G 001 DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with head...

Page 3: ...ter if not enough fresh air is available See Fresh Air for Combus tion and Ventilation pages 5 through 8 6 Keep all air openings in front and bottom of heater clear and free of debris This will insure...

Page 4: ...gnitor Button 1 Remove heater from carton 2 Remove all protective packaging applied to heater for shipment 3 Check heater for any shipping damage If heater is damaged promptly inform dealer where you...

Page 5: ...ction 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...

Page 6: ...d gas heater ___________________ Btu Hr Gas fireplace logs ___________________ Btu Hr Other gas appliances ___________________ Btu Hr Total ___________________ Btu Hr Example Gas water heater 44 000 B...

Page 7: ...Building This fresh air would come from an adjoining unconfined space When ventilating to an adjoining unconfined space you must provide two permanent openings one within 12 of the ceiling and one wi...

Page 8: ...ra fresh air by using ventilation grills or ducts You must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor Connect these items directly to the outdoors or sp...

Page 9: ...0 If you can provide greater clearances from floor ceiling and joining wall WARNING ICON G 001 CAUTION If you install the heater in a home garage heater pilot and burner must be at least 18 inches abo...

Page 10: ...R JOINING WALL WARNING ICON G 001 WARNING Maintain minimum clearances shown in Figure 5 If you can provide greater clearances from floor and joining wall INSTALLINGTO WALL Continued For convenience an...

Page 11: ...Drill holes at marked locations using 5 16 drill bit For solid walls concrete or masonry drill at least 1 1 4 deep 2 Fold wall anchor see Figure 6 3 Insert wall anchor wings first into hole Tap anchor...

Page 12: ...near bottom on back panel of heater see Figure 11 2 Mark screw location on wall 3 Remove heater from wall 4 If installing bottom mounting screw into hollow or solid wall install wall anchor Follow st...

Page 13: ...valves Install sediment trap in supply line as shown in Figure 12 page 14 Locate sediment trap where it is within reach for cleaning Locate sediment trap where trapped matter is not likely to freeze...

Page 14: ...gas piping and connections for leaks after installing or servicing Correct all leaks at once 3 Minimum Manual Shutoff Valve From Gas Meter 4 W C to 10 5 W C Pressure CONNECTING TO GAS SUPPLY Continued...

Page 15: ...RE TESTING HEATER GAS CONNECTIONS 1 Open manual shutoff valve see Figure 13 2 Open main gas valve located on or near gas meter 3 Make sure control knob of heater is in the OFF position 4 Check all joi...

Page 16: ...rn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician or gas supplier Force or attempted repair may result in...

Page 17: ...ass panel If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit refer to Troubleshooting pages 20 through 23 Also contact a qualified service person or gas supplier...

Page 18: ...t is lit After 30 seconds release control knob 5 Replace front panel OPERATING HEATER Continued Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 17 shows a correct p...

Page 19: ...than 1 2 the glass panel height INSPECTING BURNER Continued WARNING ICON G 001 WARNING If yellow tipping occurs your heater could produce increased levels of carbon monoxide If burner flame pattern s...

Page 20: ...it WARNING ICON G 001 CAUTION You must keep control areas burner and circulating air passageways of heater clean Inspect these areas of heater before each use Have heater inspected yearly by a qualifi...

Page 21: ...ausing pilot flame to go out This problem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot 6 Thermocouple dam aged 7 Control valve damaged REME...

Page 22: ...eater blocked 4 Dirty or partially clogged burner orifice REMEDY 1 Clean burner orifice see Cleaning and Mainte nance page 20 or replace burner orifice 2 Replace burner orifice 3 Contact local natural...

Page 23: ...nnections page 14 1 Refer to Fresh Air for Combustion and Venti lation requirements page 5 OBSERVED PROBLEM Heater produces a clicking ticking noise just after burner is lit or shut off Heater produce...

Page 24: ...l s Technical Service Department at 1 800 323 5190 for referral information When contacting your dealer or DESA International have ready your name your address model number of your heater how heater w...

Page 25: ...ter PA 19382 215 696 2670 1 800 368 0803 LA Porte s Parts Service 2444 North 5th Street Hartsville SC 29550 803 332 0191 Parts Department Cans Unlimited Inc P O Box 645 Taylor SC 29687 All States 803...

Page 26: ...26 103546 HEATER EXPLODED VIEW 10 12 11 1 2 3 4 5 6 7 9 8 10 13 14 15 16 17 18 21 23 24 27 22 26 25 19 20 28 29 CGN10L CGN6L...

Page 27: ...ssembly 1 12 1 098514 01 098514 01 Thermocouple 1 12 2 098594 01 098594 01 Ignitor Electrode 1 13 099386 02 099386 02 Burner 1 14 099387 05 099387 05 Pilot Tubing 1 15 098251 01 098251 03 Injector 1 1...

Page 28: ...oes 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 cau...

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