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Figures 13 and 15 show a correct pilot flame pattern. The correct flame will be blue and will extend beyond the thermocouple. The flame
will surround the thermocouple just below the tip. A slight yellow flame may occur where the pilot flame and main burner flame meet.
Figures 14 and 16 show 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.
Correct Flame Pattern
THERMOPILE
THERMOCOUPLE
(LPG)
VF24FP3-1 Pilot
Incorrect Flame Pattern
THERMOPILE
THERMOCOUPLE
(LPG)
VF24FP3-1 Pilot
If pilot flame pattern is incorrect as shown in Figures 14 and 16:
•
See Troubleshooting, Page 18
24161-0-1207
PILOT FLAME CHARACTERISTICS
PILOT
THERMOCOUPLE
(NATURAL)
Figure 13
PILOT
THERMOCOUPLE
(NATURAL)
Figure 14
Correct Flame Pattern
THERMOCOUPLE
(LPG)
VF24FP2-2 Pilot
Figure 15
Incorrect Flame Pattern
THERMOCOUPLE
(LPG)
VF24FP2-2 Pilot
Figure 16
PILOT
THERMOCOUPLE
(NATURAL)
PILOT
THERMOCOUPLE
(NATURAL)
Page 15
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