Desa UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE Inspecting, Burners, Notice, Pilot Flame Pattern

INSPECTING	Check pilot flame pattern and burner flame patterns often.
BURNERS	PILOT FLAME PATTERN
	Figure 28 shows a correct pilot flame pattern. Figure 29 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 fireplace will shut down.
	Thermocouple	Pilot Burner	Thermocouple	Pilot Burner

Figure 28 - Correct Pilot	Figure 29 - Incorrect Pilot
Flame Pattern	Flame Pattern

If pilot flame pattern is incorrect, as shown in Figure 29

•turn fireplace off (see To Turn Off Gas to Appliance, page 24)

•see Troubleshooting, pages 26 through 29

FRONT BURNER FLAME PATTERN

Figure 30 shows correct front burner flame pattern. Figure 31 shows incorrect front burner flame pattern. The incorrect burner flame pattern shows yellow tipping at top of blue flame.

WARNING

WARNING ICON G 001

If front burner flame pattern shows yellow tipping, your fireplace could produce 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.

CORRECT FLAME PATTERN AT HIGH POSITION

Figure 30 - Correct Front Burner Flame Pattern

	Yellow
	Tipping
	At Top
	of Blue
	Flame
INCORRECT FLAME PATTERN AT HIGH POSITION
Figure 31 - Incorrect Front Burner Flame Pattern
If front burner flame pattern is incorrect, as shown in Figure 31
• turn fireplace off (see To Turn Off Gas to Appliance, page 24
• see Troubleshooting, pages 26 through 29	25

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