INSPECTING BURNER

Continued

If pilot flame pattern is incorrect, as shown in Figure 19.

turn heater off (see To Turn Off Gas to Appliance, page 19).

see Troubleshooting, pages 22 through 25.

BURNER FLAME PATTERN

Figure 20 shows a correct burner flame pattern. Figure 21 shows an incorrect burner flame pattern. The incorrect burner flame pattern shows yellow tipping of the flame. It also shows the flame higher than 1/2 the glass panel height.

WARNING

WARNING ICON

G 001

If yellow tipping occurs, your heater could produce increased levels of carbon monoxide. If burner flame pattern shows yellow tipping, follow instructions at bottom of this page.

NOTICE

Do not mistake orange flames with yellow tipping. Dirt or other fine particles enter the heater and burn causing brief patches of orange flame.

1/2 GLASS HEIGHT

CORRECT FLAME PATTERN

AT HIGH POSITION

Figure 20 - Correct Burner Flame Pattern

Yellow

Tipping

1/2 GLASS HEIGHT

INCORRECT FLAME PATTERN

AT HIGH POSITION

Figure 21 - Incorrect Burner Flame Pattern

If burner flame pattern is incorrect, as shown in Figure 21

turn heater off (see To Turn Off Gas to Appliance, page 19)

see Troubleshooting, pages 22 through 25

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Desa Tech 18, 28 installation manual Correct Burner Flame Pattern