Service manual

PREFACE
This service manual is primarily intended for the use of
qualified individuals specially trained and experienced in the
service of this type of equipment and related system
components.
Installation and service personnel are required by some states,
counties or cities to be licensed. Persons not qualified shall
not attempt to service this equipment or interpret this service
manual.
SCOPE
This is not a basic refrigeration and air conditioning manual
and does not therefore, cover the principles of refrigeration or
air conditioning. The user of this manual should have
already accomplished a thorough study of refrigeration and
air conditioning.
WARNING
Improper installation may damage equipment, can create
a hazard and will void the warranty.
The use of components not tested in combination with
these units will void the warranty, may make the
equipment in violation of state codes, may create a hazard
and may ruin the equipment.
!WARNING - SHOCK HAZARD!
TO PREVENT THE POSSIBILITY OF SEVERE
PERSONAL INJURY, DEATH OR EQUIPMENT
DAMAGE DUE TO ELECTRICAL SHOCK, ALWAYS
BE SURE THE POWER SUPPLY TO THE APPLIANCE
IS DISCONNECTED BEFORE DOING ANY WORK ON
THE APPLIANCE. THIS CAN NORMALLY BE
ACCOMPLISHED BY SWITCHING THE BREAKER
FOR THE AIR CONDITIONER TO OFF,
DISCONNECTING ALL EXTERNAL ELECTRICAL
CONNECTIONS AND CORDS, SWITCHING ON
BOARD ELECTRICAL GENERATORS AND
INVERTORS TO OFF, AND REMOVING THE CABLE
FROM EACH POSITIVE TERMINAL ON ALL
STORAGE AND STARTING BATTERIES.
DANGER
SOME DIAGNOSTIC TESTING MAY BE DONE ON
ENERGIZED CIRCUITS. ELECTRICAL SHOCK CAN
OCCUR IF NOT TESTED PROPERLY. TESTING TO
BE DONE BY QUALIFIED TECHNICIANS ONLY.
6757-7201
SERVICE TEST DEVICE
This test device is an invaluable aid in quickly diagnosing repairs
to all RV Products roof top air conditioners produced after 1979.