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104190

Blue Flame Vent-Free Natural Gas Heater

CGN20TA

TROUBLESHOOTING

Note:

All troubleshooting items are listed in

order of operation.

WARNING: Turn off and un-

plug heater and let cool before
servicing. Only a qualified ser-
vice 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.

POSSIBLE CAUSE

1. Ignitor electrode positioned wrong
2. Ignitor electrode broken
3. Ignitor electrode not connected to igni-

tor cable

4. Ignitor cable pinched or wet

5. Piezo ignitor nut is loose

6. Broken ignitor cable
7. Bad piezo ignitor

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 PI-

LOT position

4. Air in gas lines when installed

5. ODS/pilot is clogged

6. Gas regulator setting is not correct

1. Control knob not fully pressed in
2. Control knob not pressed in long enough

3. Safety interlock system has been trig-

gered (Thermostat models only)

4. Manual shutoff valve not fully open
5. Thermocouple connection loose at con-

trol valve

6. Pilot flame not touching thermocouple,

which allows thermocouple to cool,
causing pilot flame to go out. This prob-
lem could be caused by one or both of
the following:
A)

Low gas pressure

Dirty or partially clogged ODS/

pilot

7. Thermocouple damaged
8. Control valve damaged

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 piezo ignitor

1. Turn on gas supply or open manual

shutoff valve

2. Turn control knob to PILOT position
3. Press in control knob while in PILOT

position

4. Continue holding down control knob.

Repeat igniting operation until air is re-
moved

5. Clean ODS/pilot (see Cleaning and

Maintenance, page17) or replace ODS/
pilot assembly

6. Replace gas regulator

1. Press in control knob fully
2. After ODS/pilot lights, keep control

knob pressed in 30 seconds

3. Wait one (1) minute for safety interlock

system to reset. Repeat ignition operation

4. Fully open manual shut-off valve
5. Hand tighten until snug, then tighten 1/4

turn more

6. A) Contact local natural gas company

B) Clean ODS/pilot (see Cleaning and
Maintenance, page 17) or replace ODS/
pilot assembly

7. Replace thermocouple
8. Replace control valve

OBSERVED PROBLEM

When ignitor button is pressed, there is no
spark at ODS/pilot

When ignitor button is pressed, there is
spark at ODS/pilot but no ignition

ODS/pilot lights but flame goes out when
control knob is released

Содержание Comfort Glow CGN20TA

Страница 1: ...ighbor s phone Follow the gas supplier s instructions Ifyoucannotreachyourgassupplier callthe fire department Installation and service must be performed by a qualified installer service agency or the gas supplier WARNING This is an unvented gas fired heater It uses air oxygen from the room in which it is installed Provisions for adequate combustion must be pro vided Refer to page 4 of this manual ...

Страница 2: ...ons if you cannot reach your gas supplier call the fire department 3 This heater shall not be installed in a bedroom or bathroom 4 Never install the heater 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 5 This heater needs fr...

Страница 3: ... heater from carton 2 Remove all protective packaging ap plied 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 TheODS pilotisarequiredfeatureforvent free room heaters The ODS pilot shuts off the heater if there i...

Страница 4: ...a walls and ceilings exposed to the outside atmosphere have a con tinuous water vapor retarder with a rating of one perm 6x10 11 kg per pa sec m2 or less with open ings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames be tween sole plates and floors be tween wall ceil...

Страница 5: ...________ 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 20 000 Btu Hr Total 60 000 Btu Hr Do not include direct vent gas appli ances Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr the space can support with ...

Страница 6: ...e two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see op tion 3 Figure 2 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 Figure 2 Ventilation Air from Inside Building WARNING Rework work sheet adding the space of the adjoining unconfined space The combined spac...

Страница 7: ...n 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 CAUTION This heater cre ates warm air currents These currents move heat to wall sur faces next to heater Installing heater next to vinyl or cloth wall coverings or operating heate...

Страница 8: ...olid walls concrete or ma sonry Decidewhichmethodbettersuitsyourneeds Eithermethodwillprovideasecureholdfor the mounting bracket Figure 5 Attaching Thermostat Sensing Bulb Clamp Thermostat Sensing Bulb Removing Front Panel Of Heater 1 Remove two screws near bottom cor ners of front panel 2 Liftstraightupongrillguarduntilitstops Grill guard will slide up about 1 4 3 Pull bottom of front panel forwa...

Страница 9: ...4 un der Attaching To Wall Anchor Method column 1 If installing bottom mounting screw into wall stud drill holes at marked lo cations using 9 64 drill bit 5 Replace heater onto mounting bracket 6 Place spacers between bottom mount ing holes and wall anchor or drilled hole 7 Hold spacer in place with one hand With other hand insert mounting screw through bottom mounting hole and spacer Place tip of...

Страница 10: ... must be upstream from heater see Figure 13 Installsedimenttrapinsupplylineasshown in Figure 13 Locate sediment trap where it is within reach for cleaning Locate sedi ment 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 properl...

Страница 11: ... Equal To or Less Than 1 2 PSIG 1 Close manual shutoff valve see Fig ure 14 2 Pressurize supply piping system by ei ther using compressed air or opening main gas valve located on or near gas meter 3 Check all joints from gas meter to manual shutoff valve see Figure 15 Apply mixture of liquid soap and wa ter to gas joints Bubbles forming show a leak 4 Correct all leaks at once PRESSURE TESTING HEAT...

Страница 12: ...f valve is fully open 3 Turn control knob clockwise Clockwise to the OFF position 4 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety in formation in column 1 If you don t smell gas go to the next step 5 Turn control knob counterclockwise C clockwise to the PILOT position Press in control knob for five 5 sec onds see F...

Страница 13: ...TERN Figure 18 shows a correct pilot flame pat tern 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 Thermocouple Pilot Burner Figure 18 Correct Pilot Flame Pattern Pilot Burner Thermocouple Figure 19 Incorrect Pilot Flame Pattern If pilot flame ...

Страница 14: ... one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot 7 Thermocouple damaged 8 Control valve damaged 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 ca...

Страница 15: ...und clean burner see Cleaning and Maintenance page 17 2 Replace gas regulator 1 Problem will stop after a few hours of operation 1 Turn control knob to LO position and let warm up for a minute 2 Operate burner until air is removed from line Have gas line checked by local natural gas company 3 Observe minimum installation clear ances see Figure 4 page 7 4 Clean burner see Cleaning and Mainte nance ...

Страница 16: ...licking ticking noise just after burner is lit or shut off 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 Moisture condensationnoticedonwindows REMEDY 1 This is common with most heaters If noise is excessive contact qualified ser vice person 1 Ventilate room Stop using odor caus ing products while he...

Страница 17: ...th dampened with a mild soap and water mixture Wipe the cabi net to remove dust WARNING Turn off heater and let cool before cleaning CAUTION You must keep controlareas burner andcircu latingairpassagewaysofheater clean Inspect these areas of heater before each use Have heater inspected yearly by a qualified service person Heater may need more frequent clean ing due to excessive lint from carpeting...

Страница 18: ...vice 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 833 Broadway W Long Branch NJ 07764 908 870 8809 1 800 755 8809 Tarantin Tank Co P O Box 6129 Freehold NJ 07728 908 780 9340 1 800 922 0724 Albany Ladder 1586 90 Central Avenue Albany NY 12205 NY MA VT 518 869 5335 1 800 3...

Страница 19: ...ck page of this manual MANUAL SHUTOFF VALVE GA5010 Forallmodels Manualshutoffvalvewith1 8 NPT tap FLOOR MOUNTING STAND GA4500 Champagne For locating heater on the floor away from a wall Complete installation instructions included FAN KITS GA3100A AND GA3200TA For all models Provides better heat distri bution Makes heater more efficient Com plete installation and operating instructions included Man...

Страница 20: ...20 104190 Blue Flame Vent Free Natural Gas Heater CGN20TA ILLUSTRATED PARTS BREAKDOWN CGN20TA 12 ODS Pilot Assembly 12 1 12 2 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 15 17 19 20 21 22 23 24 26 25 18 16 ...

Страница 21: ...52 04BR Deflector Unit 1 10 098271 02 Ignitor Cable 1 11 098249 01 Nut M5 2 12 099440 05 ODS Pilot Assembly 1 12 1 098514 01 Thermocouple 1 12 2 098515 01 Ignitor Electrode 1 13 099120 02 Burner 1 14 098517 01 3 16 Pilot Tubing 1 15 098250 01 Injector Holder 1 16 098251 09 Injector 1 17 099415 07 Pressure Regulator 1 18 099553 01 Pilot Shield 1 19 103255 01 3 8 Outlet Burner Tubing 1 20 103256 01 ...

Страница 22: ...____________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ ___________________________________________________________________________...

Страница 23: ...____________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ ___________________________________________________________________________________________...

Страница 24: ...d 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 WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICUL...

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