Filter
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9
630025.331 Installation Instructions
4. Under certain conditions, frost may form on the
evaporator coil. If this should occur, inspect the filter
and clean if dirty. Make sure air louvers are not
obstructed. Air conditioners have a greater ten-
dency to frost when the outside temperature is
relatively low. This may be prevented by adjusting
the thermostat control knob to a warmer setting
(counter clockwise). Should frosting continue, oper-
ate on MED, or HIGH FAN only setting until the
cooling coil is free of frost.
5. If your unit fails to operate or operated improperly,
check the following before calling your service cen-
ter.
a. If RV connected to motor generator, check to be
sure motor generator is running and producing
power.
b. If RV connected to power supply by a land line,
check to be sure line is sized properly to run air
conditioner load and it is plugged into power
supply.
c. Check your fuse or circuit breaker to see if it is
open.
d. If the outside temperature is below 40° F the
Ambient Thermostat will prevent operation of
the compressor until the temperature is above
45° F.
e. After the above checks, call your local service
center for further help. This unit must serviced
by qualified service personnel only.
6. When calling for service, always give the following:
a. Air Conditioner Model and Serial Number found
on rating plate located on base pan of air
conditioner bottom.
b. Air Distribution Box Kit Part and Serial Number
found on rating plate located on ceiling tem-
plate. Observe this rating plate through the air
box filter grill opening.
Roof Mount Assembly
Rear
Air Conditioner
Upper
Discharge
Duct
Ceiling
Template
Mounting
Bolts
Air Box
Roof Opening
FIG. 16