Wiring Diagrams 8500 Models - Atwood AFS Series Training Manual

Applications – This unit is typically installed in travel trailers, 5
Installation – This series of furnace can be installed either vertically or horizontally. If installed vertically, the exhaust
port must be located at the bottom. Extra care must also be given in sealing this type of installation.
Consult the installation manual for details.
Heat Outlets – This furnace can be bottom discharged to a hard duct system, soft ducted out the back to a discharge
plate into a hard duct system or completely soft ducted from a combination of the eleven outlets located
on both sides top and bottom and back of the furnace. Refer to the installation manual for the ducting
requirements of the specific model of furnace.
Serviceability - This entire furnace is serviceable without removing it from the RV when installed with the outer door
option. Therefore, there is no need to bench test it. All components are accessible by merely opening the
access door. We strongly recommend trouble-shooting the furnace while it is installed in the RV.
Power Consumption - This furnace is designed to draw between 4.6 and 9.8 amps depending on the model of the furnace. Refer
to the furnace specification decal when trouble-shooting its electrical system.

Wiring Diagrams 8500 Models

If any original wire has to be replaced, it must be replaced with type 105°C or its equivalent. Note: Wire colors may be different then original wiring.
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wheels and motor homes.
IMPORTANT
Figure 1 85-I Wiring Remote Sense
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