14
WIRING DIAGRAMS
SERVICE - UNIT DOES NOT OPERATE
If your unit fails to operate or operates improperly, check
the following before calling your service center.
● If RV connected to motor generator, check to
be sure motor generator is running and produc-
ing power.
● If RV connected to power supply by a land line,
check to be sure line is sized properly to run
unit load and it is plugged into power supply.
● Check your fuse or circuit breaker to see if it is
open. Ensure fuse is not burnt, or circuit break-
er is "ON" and not activated.
● After the above checks, call your local service
center for further help. This unit must be ser-
viced by qualied service personnel only.
A. Unit Wiring Diagram
1. 459530, 459530A & B59530
FIG. 27
2. 640310
FIG. 28
B. ADB Wiring Diagram
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FIG. 29
When calling for service, always give the following:
● Unit model and serial number found on the
identication label located on base pan of unit
bottom. Return air vent grille must be removed
from ADB to view.
● ADB model and serial number found on rating
plate located on ceiling template. Observe this
rating plate through the lter opening.
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