230/240 vac, 1ø, 50hz rv roof top air conditioner/heat pump (26 pages)
Summary of Contents for Airxcel 9330X713
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SERVICE MANUAL ROOF TOP AIR CONDITIONERS...
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6757A7201 SERVICE TEST DEVICE This test device is an invaluable aid in quickly diagnosing repairs to all Airxcel, Inc. roof top air conditioners produced after 1979.
I. BASIC COMPONENTS Compressor Metering Device The compressor is called a hermetic compressor which The refrigerant enters the cap tube from the condenser as a means that it is completely sealed (welded together). It is, warm high pressure liquid. As the refrigerant flows therefore, not internally field serviceable.
If there is a reading of 0 between any two leads, Filters the motor is shorted and is no good. If there is a reading of infinity (no meter reading at all) The filters should always be in place when the system is between any two leads, the winding is open and running.
Power Supply – Generated by on-board motor generator 115 volts (domestic USA) between the black and white leads, but there will be 0 volts between either lead and If the power supply for the recreational vehicle is supplied ground. by an on-board motor generator, its wiring may be identical to the commercial power described above.
VI. FREE DELIVERY CEILING ASSEMBLIES Selector Switch – Free Delivery Ceiling Assemblies the electric heater when the selector switch is in the heating position. The thermostat is actuated by sensing the The selector switch is mounted on the left side of the temperature of the return air through the vent where the interior ceiling assembly.
VII. SERVICE PROBLEMS AND THEIR POSSIBLE SOLUTIONS SERVICE PROBLEMS WITH AIR CONDITIONER AND FREE DELIVERY CEILING ASSEMBLIES The following list of service problems covers only some of the more common problems which may occur and lists only the more probable causes. In many instances, it will be necessary to use the wiring diagram in this manual to check out the electrical circuits step by step, starting at the power source.
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