Heating and Cooling
Thermostat
The thermostat controls the furnace and the air conditioner. Set the thermostat on "heat" or "cool" and
the thermostat is integrated in the firefly and it controls the furnace and the air conditioner. Review the
Firefly control instructions to turn on "heating" or "cooling" and set the desired temperature.
Note the third setting, "fan", recirculates cabin air using the fan inside the air conditioning
unit.
If this is set to any other, then “auto” the A/C fan will be on.
Air Conditioning
The air conditioner (AC) provides cooling for your Roadtrek using electric shore power or the under-
hood generator. (Picture 36.3) The AC can be operated normally when you are plugged in to shore
power.
Propane Furnace
The furnace is controlled by the thermostat located on the firefly unit. (Picture 36.1) The furnace
requires propane and 12-volt power. The furnace can be used without shore power or generator use
Keep the aisle in front of the furnace clear of any obstructions when using the furnace to allow air
circulation. The furnace can operate when outside temperatures are below freezing.
Picture 36.2
Propane Furnace
Picture 36.3
Roof-mount air conditioner
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