VARIABLE MANUAL

INSPECTINGPILOT FLAME PATTERNFRONT BURNER FLAME PATTERN CGFP28P and CGFP28PT

UNVENTED PROPANE/LP GAS FIREPLACE

OPERATING

FIREPLACE

Continued

VARIABLE MANUAL

CONTROL OPERATION

The variable control valve can be set to any heat setting and flame height de- sired, by simply turning the control knob until that setting is attained. Even the lowest setting provides realistic flames and glowing embers from two burners. Selecting higher settings produces greater heat output. This results in in- creased heating comfort.

Manual background WARNING: Do not operate heater between pilot and high positions.

Manual background CAUTION: Do not try to ad- just heating levels by using the manual shutoff valve.

TO TURN OFF GAS

TO APPLIANCE

Shutting Off Fireplace

1. Turn control knob clockwise ClockwiseManual background to the HIGH position.

2.Slightly depress control knob and

turn clockwise ClockwiseManual background to the PILOT position.

3.Slightly depress control knob and

turn clockwise ClockwiseManual background to the OFF position.

Shutting Off Burners Only (pilot stays lit)

1.

Turn control knob clockwise

Clockwise

 

to the HIGH position.

 

2.

Press in and turn clockwise

Clockwise

 

to the PILOT position.

 

MANUAL LIGHTING

PROCEDURE

1.Follow steps 1 through 5 under Light- ing Instructions, page 19.

2.Depress control knob and light pilot with match.

3.Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob. Now follow step 8, page 19.

INSPECTING

BURNERS

Check pilot flame pattern and burner flame patterns often.

PILOT FLAME PATTERN

Figure 45 shows a correct pilot flame pattern. Figure 46 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touch- ing the thermocouple. This will cause the thermocouple to cool. When the thermo- couple cools, the fireplace will shutdown.

If pilot flame pattern is incorrect, as shown in Figure 46

turn fireplace off (seeTo Turn Off Gas to Appliance, page 18 [Thermostat-con- trolled models} or column 1, this page, [Manually-controlled models])

see Troubleshooting, pages 22 through 24

Thermocouple

Pilot Burner

Figure 45 - Correct Pilot Flame Pattern

Thermocouple

Pilot Burner

Figure 46 - Incorrect Pilot Flame Pattern

FRONT BURNER FLAME PATTERN

Figure 47 shows correct front burner flame pattern. Figure 48 shows incorrect front burner flame pattern. The incorrect burner flame pattern shows yellow tipping at top of blue flame.

Manual background WARNING: If front burner flame pattern shows yellow tip- ping, your fireplace could pro- duce increased levels of carbon monoxide. Follow instructions at bottom of this page. Yellow flame on rear burner is normal.

NOTICE: Do not mistake orange flames with yellow tipping. Dirt or other fine particles are burned by fireplace, causing brief patches of orange flame.

If front burner flame pattern is incorrect, as shown in Figure 48

turn fireplace off (seeTo Turn Off Gas to Appliance, page 18 [Thermostat-con- trolled models} or column 1, this page, [Manually-controlled models])

see Troubleshooting, pages 22 through 24

Figure 47 - Correct Front Burner Flame Pattern

Yellow Tipping At

Top of Blue Flame

Figure 48 - Incorrect Front Burner Flame Pattern

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Desa CGFP28PT Inspecting Burners, Variable Manual Control Operation, Pilot Flame Pattern, Front Burner Flame Pattern