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19

OBSERVED
PROBLEM

Burner(s) does not
light after ODS/pilot is
lit

Delayed ignition of
burner(s)

Burner backfiring
during combustion

Burner plaque(s) does
not glow

Slight smoke or odor
during initial opera-
tion

Heater produces a
clicking/ticking noise
just after burner is lit or
shut off

REMEDY

1. Clean burner orifice(s)

(see CLEANING AND
MAINTENANCE, page
17) or replace burner
orifice(s)

2. Replace burner orifice(s)

3. Contact local natural gas

company

1. Contact local natural gas

company

2. Clean burner orifice(s)

(see CLEANING AND
MAINTENANCE, page
17) or replace burner
orifice(s)

1. Clean burner orifice(s)

(see CLEANING AND
MAINTENANCE, page
17) 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 quali-
fied service person

POSSIBLE
CAUSE

1. Burner orifice(s) is

clogged

2. Burner orifice(s) di-

ameter is too small

3. Inlet gas pressure is too

low

1. Manifold pressure is too

low

2. Burner orifice(s) is

clogged

1. Burner orifice(s) is

clogged or damaged

2. Burner damaged
3. Gas regulator defective

1. Plaque damaged
2. Inlet gas pressure is too

low

3. Control knob set be-

tween locked positions

1. Residues from manu-

facturing processes

1. Metal expanding while

heating or contracting
while cooling

Summary of Contents for Comfort Glow CGN12

Page 1: ...electrical switch do not use any phone in your building Immediatelycallyourgassupplierfrom a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire...

Page 2: ...heater Improper use of this heater can cause serious injury or death from burns fire explosion and carbon monoxide poisoning WARNING ICON G 001 DANGER Carbon monoxide poisoning may lead to death Carb...

Page 3: ...Open window one or two inches When used without fresh outside air heater may give off carbon monoxide gas 6 Never run heater in small closed room Open door into next room to help ventilate 7 Keep all...

Page 4: ...ont Panel Figure 1 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...

Page 5: ...ATER This heater is designed to be mounted on a wall WARNING ICON G 001 WARNING Maintain the minimum clearances shown in Figure 2 page 6 If you can provide greater clearances from floor ceiling and jo...

Page 6: ...mine where you will locate heater Figure 3 Mounting Screw Locations Mounting Screw Locations 10 7 8 Minimum To Maintain 6 Clearance From Wall 7 3 4 20 1 4 Minimum To Maintain 3 Clearance From Floor 36...

Page 7: ...e or masonry 1 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 4 3 Insert wall anchor wings first into...

Page 8: ...his hole is near bottom on back panel of heater see Figure 9 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...

Page 9: ...nt lightly 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...

Page 10: ...Nipple Cap Sediment Trap PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1 2 PSIG 1 Disconnect heater and its individual manual shutoff valve from gas supply piping system Pressu...

Page 11: ...at once PRESSURE TESTING HEATER GAS CONNECTIONS 1 Open manual shutoff valve see Figure 11 2 Open main gas valve located on or near gas meter 3 Make sure control knob of heater is in the OFF position 4...

Page 12: ...or turn 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 resul...

Page 13: ...knob pressed in and turn it counterclockwise to the PILOT IGN position This will light pilot Note You will hear a loud click when the control knob reaches the PILOT IGN position If pilot does not ligh...

Page 14: ...position C clockwise Control Knobs Burners LOW OFF PILOT IGN HIGH OFF PILOT IGN OFF Figure 15 Burner Patterns WARNING ICON G 001 WARNING When running heater set control knob at LOW or HIGH locked pos...

Page 15: ...control knob 5 Replace front panel Clockwise TO TURN OFF GAS TO APPLIANCE Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 16 shows a correct pilot flame pattern Fig...

Page 16: ...19 shows an incorrect burner flame pattern Figure 18 Correct Burner Flame Pattern Figure 19 Incorrect Burner Flame Pattern If burner flame pattern is incorrect as shown in Figure 19 turn heater off se...

Page 17: ...or 3 Reconnect ignitor cable 4 Free ignitor cable if pinched by any metal or tubing Keepignitorcable dry 5 Replace ignitor cable 6 Replacecontrolvalve pi ezo is part of control valve Note All troubles...

Page 18: ...ontrol valve OBSERVED PROBLEM When control knob is pressed in and turned to the PILOT IGN po sition there is spark at ODS pilotbutnoigni tion ODS pilot lights but flame goes out when control knob is r...

Page 19: ...G AND MAINTENANCE page 17 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 settin...

Page 20: ...GAS CONNECTIONS page 10 1 Open window and or door for ventilation 2 Contact local natural gas company 3 Clean ODS pilot see CLEANING AND MAINTENANCE page 17 1 Locate and correct all leaks see CHECKING...

Page 21: ...tional have ready your name your address model number of your heater how heater was malfunctioning type of gas used propane or natural gas purchase date Usually we will ask you to return the defective...

Page 22: ...1 800 762 3426 Portable Heater Parts 342 N Country Road 400 E Valparaiso IN 46383 219 462 7441 Parts Department U S 1 800 362 6951 SERVICE PUBLICATIONS You can purchase a service manual from the addr...

Page 23: ...mbly 1 3 099318 01 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...

Page 24: ...ther 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 W...

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