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OPERATING HEATER
Continued
OPERATING OPTIONAL
BLOWER ACCESSORY
Light your gas appliance with the blower off.
Turn the blower on to deliver heated air at the
top louvers. The blower features a variable
control which allows you to select the speed
you desire.
If Using the GA3650TA Blower Accessory:
In the ON position, the blower will start when the
thermostat senses a sufficient increase in firebox
temperature (approximately 10 to 20 minutes
depending on heat setting). Note: Your gas stove
and thermostat blower will not turn on and off
at the same time. The stove may run for several
minutes before the blower turns on. After the
heater modulates to the pilot position, the blower
will continue to run. The blower will shut off
after the firebox temperature decreases.
Note: It is safe to operate stove with blower
turned off. However, the blower helps distribute
heated air from the stove.
Note: Periodically check the louvers of the
firebox and remove any dust, dirt or other
obstructions.
INSPECTING BURNERS
Check pilot flame pattern and burner flame pat-
terns often.
PILOT FLAME PATTERN
Figure 25 shows a correct pilot flame pattern.
Figure 26 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 26
• turn heater off (see To Turn Off Gas to Appli-
ance, page 17)
• see Troubleshooting, page 21
Note: The pilot flame on natural gas units will
have a slight curve, but flame should be blue and
have no yellow or orange color.
18
Figure 25 - Correct Pilot Flame Pattern
Figure 26 - Incorrect Pilot Flame Pattern
Approx.
3-6"
Above
Top of
Logs
Figure 27 - Correct Flame Pattern with
Control Knob Set to High Flame.
More
Than 8"
Above
Top of
Logs
Figure 28 - Incorrect Flame Pattern with
Control Knob Set to High Flame
www.desatech.com
Pilot Burner
Thermocouple
(Propane/LP Shown)
Pilot Burner
Thermocouple
(Propane/LP Shown)
111417-01B
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