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24 65D1009
FLAME APPEARANCE
Flames from the pilot, front and rear burner should be visually checked as soon as the heater is installed.
In addition, periodically check the flames visually during operation.
CHECKING THE PILOT FLAME
The pilot flame must always be present when the heater is in operation. It should just touch the top of the ther-
mocouple tip for natural. See Figures 30 and 32 for correct pilot flame.
If the pilot flame does not touch the thermocouple, then the main burner cannot function reliably. See Figures 31 and 33 for
incorrect shape of pilot flame.
MILLIVOLT CONTROL
Figure 30 - Correct Appearance of Pilot Flame
Figure 31 - Incorrect Appearance of Pilot Flame
MANUAL CONTROL
Figure 32 - Correct Appearance of Pilot Flame
Figure 33 - Incorrect Appearance of Pilot Flame
Thermocouple
for Natural
Thermocouple
for LP
Thermocouple
for LP
Thermocouple
for Natural
Thermocouple
for Natural
Thermocouple
for Natural
Thermocouple
for LP
Thermocouple
for LP