SECTION 4 –
APPLIANCES AND SYSTEMS
4-12
FURNACE-A/C THERMOSTAT OPERATION CHART
The following chart shows the system functions with the “Heat/Cool” thermostat. Disregard references
to heat functions when using the “Cool Only” thermostat in the rear bedroom.
CENTRAL AIR CONDITIONER
NOTE: See “Electronic Thermostat” for
instructions on turning the air
conditioner on and changing the
temperature settings.
The central air conditioner is located behind
the louvered body panel on the right (passenger)
side of the coach. The panel can be opened for
maintenance and periodic service. (See
“Condenser Coils” elsewhere in this section.)
The cooled air is forced through ducts in the
ceiling of the coach. Inside air returns to the air
conditioner through a filter system in the rear
bedroom area of the coach. (See “Air Conditioner
Filter” elsewhere in this section.)
Condenser Coils
The condenser is located behind the louvered
body panel on the right side of the coach. The
condenser is the large, black, rectangular area
that looks like a car radiator. The panel is hinged
at the top edge to allow opening for periodic
X = Switch Position
O = Switch position does not matter or is inactive for this feature
FAN MODE
SWITCH
THERMOSTAT SWITCH
FAN SPEED
SWITCH
WHAT HAPPENS
Auto
On
Cool
Off
Gas * Elect *
Lo
Hi
X
X
O
O
If the Thermostat Switch is Off and the Fan
Switch is on Auto, the whole heating and
cooling system is off - nothing is happening.
X
X
X
A/C Fan runs continuously at Low Speed.
X
X
X
A/C Fan runs continuously at High Speed.
Gas Furnace Heating:
O
O
X
O
O
Furnace Blower runs along with the LP Gas
Furnace, which turns on and off as needed
according to thermostat setting.
Heat Pump Heating: *
X
X
O
O
A/C Fan runs at Low Speed along with the
Heat Pump, which turns on and off as
needed according to thermostat setting.
X
X
O
O
A/C Fan runs continuously at Low Speed
while the Heat Pump turns on and off as
needed according to thermostat setting.
A/C Cooling:
X
X
X
A/C Fan runs at Low Speed along with the
Air Conditioner, which turns on and off as
needed according to thermostat setting.
X
X
X
A/C Fan runs at High Speed along with the
Air Conditioner, which turns on and off as
needed according to thermostat setting.
X
X
X
A/C Fan runs continuously at Low Speed
while the Air Conditioner turns on and off
according to thermostat setting.
X
X
X
A/C Fan runs continuously at High Speed
while the Air Conditioner turns on and off
according to thermostat setting.
* NOTE: These instructions include the optional heat pump, which may not be equipped on your model. If you
do not have a heat pump, the Thermostat Switch Gas position is the same as the Heat position on your
thermostat. In this case, ignore the Electric Heat Switch settings, which apply to the heat pump only.