Desa Comfort Glow CGN12A Owner'S Operation And Installation Manual Download | Manualshive

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21

100847

CLEANING

AND

MAINTENANCE

WARNING ICON

G 001

WARNING

Turn off heater and let cool before cleaning.

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 qualified service
person. Heater may need more frequent cleaning due to excessive
lint from carpeting, bedding material, etc.

ODS/PILOT AND BURNER ORIFICE

• Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean.

CABINET

Air Passageways

• Use a vacuum cleaner or pressurized air to clean.

Exterior

• Use a soft cloth dampened with a mild soap and water mixture. Wipe the

cabinet to remove dust.

WARNING ICON

G 001

WARNING

Turn off heater and let cool before servicing. Only a qualified
service person should service and repair heater.

Note: All troubleshooting
items are listed in order of
operation.

TROUBLE-

SHOOTING

WARNING ICON

G 001

CAUTION

Never use a wire, needle, or similar object to clean ODS/pilot. This
can damage ODS/pilot unit.

OBSERVED
PROBLEM

When ignitor button
is pressed and control
knob is pressed in
and turned to the
PILOT position,
there is no spark at
ODS/pilot

POSSIBLE
CAUSE

1. Ignitor electrode posi-

tioned wrong

2. Ignitor electrode broken
3. Ignitor electrode not con-

nected to ignitor cable

4. Ignitor cable pinched or

wet

5. Piezo Ignitor nut is loose

6. Broken ignitor cable
7. Bad piezo ignitor

REMEDY

1. Replace ignitor

2. Replace ignitor
3. Reconnect ignitor cable

4. Free ignitor cable if

pinched by any metal or
tubing. Keep ignitor
cable dry

5. Tighten nut holding

piezo ignitor to heater
cabinet. Nut is located
inside heater cabinet at
top

6. Replace ignitor cable
7. Replace control valve

(piezo is part of control
valve)

Continued

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Summary of Contents for Comfort Glow CGN12A

Page 1: ...e 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 Installa...

Page 2: ...explosion 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 headaches dizziness or nausea If you have these signs the heater may not be working properly Get fresh air at once Have heater serviced Some people are more affected by carbon monoxide than others Thes...

Page 3: ...uts down the heater if not enough fresh air is available See Fresh Air for Combus tion and Ventilation pages 5 through 8 7 Never run heater in small closed room Open door into next room to help ventilate 8 Keep all air openings in front and bottom of heater clear and free of debris This will insure enough air for proper combustion 9 If heater shuts off do not relight until you provide fresh outsid...

Page 4: ...Vent Free Natural Gas Heater UNPACKING 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 bought heater PRODUCT FEATURES Safety Device This heater has a pilot with an Oxygen Depletion Sensor Shutoff System ODS The ODS pilot is a required feature for vent free room ...

Page 5: ...n The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unusually tight construction is defined as construction where a walls and ceilings exposed to the outside atmosphere have a continu ous water vapor retarder with a rating of one perm or less with open in...

Page 6: ...Hr Gas furnace ___________________ BTU Hr Vented gas heater ___________________ BTU Hr Gas fireplace logs ___________________ BTU Hr Other gas appliances ___________________ BTU Hr Total ___________________ BTU Hr Example Gas water heater 40 000 BTU Hr Vent free heater 10 000 BTU Hr Total 50 000 BTU Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and...

Page 7: ...oor 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 WARNING ICON G 001 WARNING Rework worksheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh air to supply all appliances in both spaces Figure 2 Ventilation Air from Inside Building Or Remove Door into Adjoining Room...

Page 8: ...pen to the outdoors These spaces include attics and crawl spaces Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlled power vent Heated air entering the attic will activate the power vent Figure 3 ...

Page 9: ...e 4 page 10 If you can provide greater clearances from floor ceiling and joining wall WARNING ICON G 001 WARNING Never install the heater in a bedroom or bathroom in a recreational vehicle where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the heater as a fireplace insert in high traffic areas in windy or drafty areas WARNING ICON G ...

Page 10: ...OR JOINING WALL INSTALLING TO WALL Continued WARNING ICON G 001 WARNING Maintain minimum clearances shown in Figure 5 If you can provide greater clearances from floor and joining wall For convenience and efficiency install heater where there is easy access for operation inspection and service in coldest part of room 36 3 FLOOR CEILING Minimum Minimum To Top Surface Of Carpeting Tile Or Other Combu...

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 flush to wall Figure 6 Folding Anchor 4 For thin walls 1 2 or less insert red key into wall anchor Push red key to pop open anchor wings see Figure 7 IMPORTANT Do not hammer key For thick walls over ...

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 steps 1 through 5 under Attaching To Wall Anchor Method page 11 If installing bottom mounting screw into wall stud drill hole at marked location using 9 64 drill bit 5 Replace heater on wall 6 Insert bo...

Page 13: ...ly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves Continued 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 A sediment trap traps moisture and contaminants This keeps them ...

Page 14: ...idual manual shutoff valve from gas supply piping system Pressures in excess of 1 2 psig will damage heater regulator 2 Cap off open end of gas pipe where manual shutoff valve was connected 3 Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter CHECKING GAS CONNECTIONS Pressure Regulator Heater Cabinet 3 8 NPT Pipe Nipple Ground Join...

Page 15: ...URE 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 joints from manual shutoff valve to control valve see Figure 14 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 5 Correct all leaks at once 6 Light heater see Operating ...

Page 16: ... the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician or gas supplier Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system an...

Page 17: ...oes not pop up when released contact a qualified service person or gas supplier for repairs 6 With control knob pressed in push down and release ignitor button This will light pilot The pilot is attached to the front of burner If needed keep pressing ignitor button until pilot lights Note If pilot does not light refer to Troubleshooting pages 21 through 24 Also contact a qualified service person o...

Page 18: ...desired position Control Knobs Burners LOW OFF PILOT HIGH OFF PILOT OFF Figure 17 Burner Patterns WARNING ICON G 001 WARNING When running heater set control knob at LOW or HIGH locked positions Never set control knob between locked positions Poor combustion and higher levels of carbon monoxide may result WARNING ICON G 001 CAUTION Do not try to adjust heating levels by using the manual shutoff val...

Page 19: ...release control knob 5 Replace front panel TO TURN OFF GAS TO APPLIANCE Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 18 shows a correct pilot flame pattern Figure 19 shows an incorrect pilot flame pattern The incorrect pilot flame is not touching the thermocouple This will cause the thermocouple to cool When the thermocouple cools the heater will shut down Fi...

Page 20: ...n incorrect burner flame pattern Figure 20 Correct Burner Flame Pattern Figure 21 Incorrect Burner Flame Pattern If burner flame pattern is incorrect as shown in Figure 21 turn heater off see To Turn Off Gas to Appliance page 19 see Troubleshooting pages 21 through 24 INSPECTING BURNER Continued ...

Page 21: ...ly a qualified service person should service and repair heater Note All troubleshooting items are listed in order of operation TROUBLE SHOOTING WARNING ICON G 001 CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit OBSERVED PROBLEM When ignitor button is pressed and control knob is pressed in and turned to the PILOT position there is no spark at ODS ...

Page 22: ... ignitor button is pressed and control knob is pressed in and turned to the PILOT position there is spark at ODS pilot but no ignition ODS pilot lights but flame goes out when control knob is released POSSIBLE CAUSE 1 Gas supply turned off or manual shutoff valve closed 2 Control knob not in PILOT position 3 Control knob not pressed in while in PILOT position 4 Air in gas lines when installed 5 OD...

Page 23: ...tenance page 21 or replace burner orifice s 2 Replace burner 3 Replace gas regulator 1 Replace burner 2 Contact local natural gas company 3 Turn control knob until it locks at desired setting 1 Problem will stop after a few hours of operation 1 This is common with most heaters If noise is excessive contact qualified service person POSSIBLE CAUSE 1 Burner orifice s is clogged 2 Burner orifice s dia...

Page 24: ... is partially clogged 1 Gas leak See Warn ing statement at top of page 2 Control valve defec tive 1 Foreign matter be tween control valve and burner 2 Gas leak See Warn ing statement at top of page OBSERVED PROBLEM Heater produces unwanted odors Heater shuts off in use ODS operates Gas odor even when control knob is in OFF position Gas odor during combustion REMEDY 1 Ventilate room Stop using odor...

Page 25: ...cement parts This will protect your warranty cover age 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 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 add...

Page 26: ...r Parts 342 N County Rd 400 East Valparaiso IN 46383 All States 219 462 7441 1 800 362 6951 FBD 601 Hope Street Bowling Green KY 42101 502 796 8406 1 800 654 8534 Master Service Center 1184 Wilson NW Walker MI 49504 616 791 4760 1 800 446 1446 Washer Equipment Co 1715 Main Street Kansas City MO 64108 KS MO AR 816 842 3911 East Coast Energy Products 707 Broadway W Long Branch NJ 07764 908 870 8809 ...

Page 27: ...ER DESCRIPTION QTY 1 098304 01 Screw 10 x 3 8 2 2 099467 02 Front Panel Assembly 1 3 099318 03 Grill Guard 1 4 098342 01 Grill Guard Clip 2 5 099469 02 Reflector Assembly 1 6 M15823 37 Screw Hex 8 x 1 4 10 7 503329 ODS Pilot Assembly 1 7 1 098514 01 Thermocouple 1 7 2 098594 01 Ignitor Electrode 1 8 099884 02 Burner Assembly 1 9 099056 04 Injector 2 10 099390 02 Tubing Valve to plaque A 1 11 09938...

Page 28: ...y 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 WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIESANDLIMITSTHEDURATIONOFANYANDALLIMPLIEDWARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO ...

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