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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. This test device is an invaluable aid in quickly diagnosing repairs to all RV Products roof top air conditioners produced after 1979. QUICK DIAGNOSIS CHART, This charge represents problems with units having mechanical controls - if the air conditioner is equipped with a wall thermostat, please refer to the appropriate manual. Fan And Compressor Will Not Run No Power 115V Selector Switch, Fan Will Not Run Selector Switch, Fan Run Capacitor, Motor, Wiring (Mis-wired). BASIC COMPONENTS AND THEIR FUNCTIONS REFRIGERATION SYSTEM DIAGRAM. The purpose of this part of the Service Manual is to acquaint the Service Technician with the system components so that when he has a problem, he can intelligently analyze and isolate the problem and efficiently correct it. REFRIGERANT CIRCUIT : The systems covered by this service manual all use a refrigerant called chlorofluorocarbon (better known as R-22). AIR HANDLING CIRCUITS. Motors and Fans : One motor turns both the condenser fan blade and evaporator air blower. The condenser (outdoor) fan is an axial flow (propeller) type and the evaporator (indoor) fan or blower is a centrifugal (squirrel cage) type. ELECTRIC POWER CIRCUITS. Remember that electricity can be very dangerous, but you can safely work with it. In order to be safe, you must know what you are doing. You must work deliberately and carefully. You must think safety before each move. TYPICAL WIRING DIAGRAMS, AIR CONDITIONERS & CEILING ASSEMBLIES.

Tags : principles of refrigeration, refrigeration and air conditioning, capacitor motor, wall thermostat, diagnosis chart, refrigeration system, squirrel cage, rv products, power circuits, ceiling assemblies, fan blade, switch fan, mechanical controls, invaluable aid, axial flow

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