25
Operation (cont.)
INSPECTING BURNERS
Check the pilot flame pattern and burner flame patterns often.
PILOT FLAME PATTERN
Figure 23 shows a correct pilot flame pattern. Figure 24 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 heater will shut down. If pilot flame pattern is incorrect, as shown in Figure 24:
• Turn the heater off (see TO TURN OFF GAS TO THE HEATER, pages 24).
• See the TROUBLESHOOTING GUIDE, page 34.
Do not allow fans to blow directly into the heater. Avoid any drafts that alter
Vent-Free Gas Fireplace User’s Manual
Fig. 24—Incorrect Pilot Flame Pattern
Propane Pilot
Fig. 23—Correct Pilot Flame Pattern
Propane Pilot
Natural Pilot
Natural Pilot
WARNING
bur
ner flame patterns.
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