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103413

OWNER’S MANUAL

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

TROUBLESHOOTING

Note:

 All troubleshooting items are listed in

order of operation.

 WARNING: Turn off fireplace

and let cool before servicing. Only
a qualified service person should
service and repair fireplace.

 CAUTION: Never use a wire,

needle, or similar object to clean
ODS/pilot. This can damage ODS/
pilot unit.

Continued

POSSIBLE CAUSE

1.

Ignitor cable pinched or wet

2.

Ignitor electrode not connected to igni-
tor cable

3.

Piezo ignitor nut is loose

4.

Broken ignitor cable

5.

Ignitor electrode broken

6.

Bad piezo ignitor

7.

Ignitor electrode positioned wrong

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.

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.

Manual shutoff valve not fully open

4.

Thermocouple connection loose at con-
trol valve

5.

Pilot flame not touching thermocouple,
which allows thermocouple to cool,
causing 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 damaged

7.

Control valve damaged

8.

On thermostat models, safety interlock
system has been triggered

REMEDY

1.

Free ignitor cable if pinched by any
metal or tubing. Keep ignitor cable dry

2.

Reconnect ignitor cable

3.

Tighten nut holding piezo ignitor to
base panel of log set. Nut is located
behind base panel.

4.

Replace ignitor cable

5.

Replace ignitor

6.

Replace piezo ignitor

7.

Replace 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
removed

5.

Clean ODS/pilot (see Cleaning and
Maintenance
, page 20) 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.

Fully open manual shutoff valve

4.

Hand tighten until snug, then tighten
1/4 turn more

5.

A) Contact local natural gas company

B) Clean ODS/pilot (see Cleaning and

Maintenance, page 20) or replace
ODS/pilot assembly

6.

Replace thermocouple

7.

Replace control valve

8.

Wait one minute for safety interlock sys-
tem to reset. Repeat ignition operation

Note:

 For additional help, visit DESA

International’s Technical Service web
site at 

www.desatech.com

.

www.desatech.com

Summary of Contents for Comfort Glow CGFP28N

Page 1: ...ualified installer service agency or the gas supplier WARNING Improperinstallation adjustment alteration service ormaintenancecancauseinjury orpropertydamage Refertothis manual for correct installatio...

Page 2: ...on logs 17 Fireplace front and screen becomes very hot when running fireplace Keep children and adults away from hot sur faces to avoid burns or clothing igni tion Fireplace will remain hot for a time...

Page 3: ...fire box Remove packing 2 Locate two screws above top corners of the fireplace screen Remove and discard these screws Lift fireplace screen up and pull out to remove 3 Remove protective packaging app...

Page 4: ...er sources to light fireplace THERMOSTAT CONTROL CGFP28NT These fireplaces have a thermostat sensing bulb and a control valve The thermostat controls the heat output and flame height This maintains a...

Page 5: ...Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr the space can support with the actual amount of B...

Page 6: ...m Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two per manent openings one within 12 of the ceiling and one within 12 of the floor Connect these items directl...

Page 7: ...in reach of a 120 volt grounded electrical out let orinstallanelectricaloutletwithinreach of the blower power cord For built in in stallation an outlet accessory GA3555 is available see Accessories pa...

Page 8: ...he holes in top mounting tabs of blower with holes in wall of wrapper see Fig ure 9 Using two 8 screws provided mount blower and tighten screws firmly 5 Route terminals end of power cord through large...

Page 9: ...urn blower off before continuing Blue Wire Red Wire Green Wire Black Wire White Wire Blue Wire To Switch and Cover Assembly Figure 14 Wiring Diagram If any of the original wire as supplied with the ap...

Page 10: ...e logs and set aside noting the prop erly mounted location of each 3 Remove screws that attach log base as sembly to fireplace Carefully lift up log base assembly and remove from fire place takingcare...

Page 11: ...ly line into fire place base area while replacing log base assembly Make sure the entire flexible gas line is in fireplace base area Note If firebrick is installed make sure the back of the firebox bo...

Page 12: ...ficient with other cabi net mantels and hearth bases Thismaycreateafirehazard See Accessories page 25 for correct mantels and hearth bases Figure 21 Minimum Clearance to Wall and Ceiling 42 16 INSTALL...

Page 13: ...ocation This installation includes an approved flexible gas line if allowed by local codes after the manual shutoff valve The flexible gas line must be the last item installed on the gas piping See In...

Page 14: ...NPT tap must be upstream from fireplace see Figure 30 Check your building codes for any special requirements for locating manual shutoff valve to fireplaces Apply pipe joint sealant lightly to male th...

Page 15: ...les forming show a leak Correct all leaks at once Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1 2 PSIG 1 Disconnect fireplace and its individual manual shutoff valve from gas...

Page 16: ...e see Operating Fire place pages 17 and 18 Thermostat controlled models or pages 18 and 19 Manually controlled models Check all other internal joints for leaks 7 Turn off fireplace see To Turn Off Gas...

Page 17: ...the safety information in first column 2 Make sure manual shutoff valve is fully open 3 Turn control knob clockwise to the OFF position 4 Wait five 5 minutes to clear out any gas Then smell for gas i...

Page 18: ...the comfort level you select The ideal comfort setting will vary by householddependingupontheamountof space to be heated the output of the central heating system etc Note Selecting the HI setting will...

Page 19: ...correctpilotflamepattern Figure 45 shows an incorrect pilot flame pattern Theincorrectpilotflameisnottouch ing the thermocouple This will cause the thermocouple to cool When the thermo couple cools th...

Page 20: ...hard ware store or home center may carry com pressed air in a can You can use a vacuum cleaner in the blow position If using com pressed air in a can please follow the direc tions on the can If you d...

Page 21: ...ocouple to cool causing pilot flame to go out This problemcouldbecausedbyoneorboth of the following A Low gas pressure B DirtyorpartiallycloggedODS pilot 6 Thermocouple damaged 7 Control valve damaged...

Page 22: ...page 20 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 burners until air is removed from line Hav...

Page 23: ...air is available 2 Low line pressure 3 ODS pilot is partially clogged 1 Gas leak See Warning statement above 2 Control valve defective 1 Foreign matter between control valve and burner 2 Gas leak See...

Page 24: ...6514 0322 1 800 397 7553 203 248 7553 Parts Department Portable Heater Parts 342 N County Rd 400 E Valparaiso IN 46383 9704 All States 219 462 7441 1 800 362 6951 Parts Department FBD 1349 Adams St Bo...

Page 25: ...ve ready model number of your fireplace the replacement part number REPLACEMENT PARTS CABINET MANTEL ACCESSORY WITH FIREPLACE PERIMETER BRASS TRIM GMC11F Series Walnut Finished Hardwood Veneer GMC12U...

Page 26: ...L GAS FIREPLACE CGFP28N and CGFP28NT ILLUSTRATED PARTS BREAKDOWN LOG BASE ASSEMBLY VARIABLE MANUALLY CONTROLLED MODEL CGFP28N 27 8 9 8 8 19 13 12 8 6 3 4 1 2 7 7 1 7 2 10 18 23 16 11 26 14 6 6 6 6 21...

Page 27: ...100999 05 Rear Burner Assembly 1 12 102257 08CJ Base Assembly 1 13 098271 06 Ignitor Cable 1 14 103410 01CK Firebox Bottom 1 15 098867 09 Gas Regulator 1 16 101004 04 Front Burner Injector 1 17 102445...

Page 28: ...ATURAL GAS FIREPLACE CGFP28N and CGFP28NT ILLUSTRATED PARTS BREAKDOWN LOG BASE ASSEMBLY THERMOSTAT CONTROLLED MODEL CGFP28NT 18 6 27 8 9 8 8 19 13 12 3 4 1 2 7 7 1 7 2 10 16 11 26 14 5 6 6 6 6 22 25 2...

Page 29: ...Pilot Bracket 1 10 101330 05 Front Burner Assembly 1 11 100999 02 Rear Burner Assembly 1 12 102257 08CJ Base Assembly 1 13 098271 06 Ignitor Cable 1 14 103410 01CK Firebox Bottom 1 15 098867 09 Gas R...

Page 30: ...30 103413 UNVENTED VENT FREE NATURAL GAS FIREPLACE CGFP28N and CGFP28NT ILLUSTRATED PARTS BREAKDOWN FIREPLACE CGFP28N CGFP28NT 1 2 3 4 15 10 11 9 18 6 17 12 16 16 16 7 8 16 16 5 14 16 13 13 13...

Page 31: ...8 01CK Right Front Side 1 4 102759 01CK Left Front Side 1 5 101514 01CK Cover 1 6 101784 01 Snap in Magnet 2 7 103411 01CK Louver Hood 1 8 101838 03CJ Firebox Wrapper 1 9 103412 01CK Louver Door 1 10...

Page 32: ...lated to repairing a defective heater will be the responsibility of the owner TOTHEFULLEXTENTALLOWEDBYTHELAWOFTHEJURISDICTIONTHATGOVERNSTHESALEOFTHEPRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL O...

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