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NOTE: The roof air conditioner will not operate in Heat
Pump mode with ambient temperatures at or below 24°
Fahrenheit.
If Heat Pump mode is selected at or below this temperature or if operating
in Heat Pump mode and temperature drops to 24° F, the air conditioner will
stop Heat Pump operation and Aux Heat will be displayed. The furnace will be
selected as the auxiliary heat source and will begin operation. Furnace will
remain the primary heat source until ambient temperature rises above 42° F.
When ambient temperature is between 24-42° F, a defrost cycle is initiated
approximately every 40 minutes of compressor operation. The blower motor
will stop for five minutes and Defrost will be displayed. After the defrost cycle
the Heat Pump operation will resume.
If the Aux Heat cycle is initiated and the motorhome is equipped with an
aqua hot, the Aqua-Hot will need to be turned ON by using the switches locat-
ed in the galley. Living room and dinette heat exchanger blowers will automat-
ically begin operation. Use the bedroom comfort control to select zone one or
Zone Two heat exchangers. The Aux Heat mode is automatically selected due
to refrigerant characteristics in cold temperatures.
The living room comfort control operates the LP-Gas furnace.
• Depress the MODE button repeatedly until furnace is displayed.
• Set desired heat temperature by depressing the UP or DOWN
buttons.
NOTE: Main gas valve on LP tank must be turned ON
for gas furnace operation.
Should the comfort control exhibit unusual symptoms or not respond to
commands, it may need to be reset. To reset:
• Depress the MODE button. Display backlighting should illuminate.
• Depress MODE, UP and DOWN buttons simultaneously five to ten
seconds. The comfort control should return to MODE OFF. The factory
default settings of 72° F for Cool and 68° F for Heat should be
established.
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E X E C U T I V E
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Appliance & Equipment
Furnace Operation
FURNACE
Comfort Control in furnace mode.
Comfort Control
3 • 7 0
Reset
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