REMOVAL/INSTALLATION AND TROUBLESHOOTING FOR AIR CONDITIONING COMPRESSORS

REMOVAL/INSTALLATION ANDTROUBLESHOOTING FOR AIRCONDITIONING COMPRESSORS : General The air conditioning compressor is driven by the vehicle engine .via a ribbed or V-ribbed belt. It compresses and transports the refrigerant in the system. There are different compressor designs available How they work: The refrigerant is sucked in as a gas under low pressure and...

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Air conditioning system with orifice tube Troubleshooting Procedures parti 2

Air conditioning system with orifice tube Troubleshooting Procedures parti 2 orifice tube: Orifice tubes are used in systems that don’t use expansion valves. Like an expansion valve, the orifice tube is used to control the amount of refrigerant entering the evaporator. The diameter of the orifice tube is similarly small to that of the passage inside the expansion...

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Air conditioning system with orifice tube Troubleshooting Procedures parti 1

Air conditioning system with orifice tube Troubleshooting Procedures parti 1  Correct evaluation of the pressure manometer display is particularly important. Here are some examples:   orifice tube: Orifice tubes are used in systems that don’t use expansion valves. Like an expansion valve, the orifice tube is used to control the amount of refrigerant entering...

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Air conditioning systems with expansion valve Troubleshooting Procedures parti2

Air conditioning systems with expansion valveTroubleshooting Proceduresparti2 Correct evaluation of the pressure manometer display is particularly important. Here are some examples:  expansion valve The expansion valve’s place in the system is at the evaporator inlet. Like any other valve, its job is to control flow; in this case, the amount of refrigerant...

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Air conditioning systems with expansion valve Troubleshooting Procedures parti 1

Air conditioning systems with expansion valve Troubleshooting Procedures parti 1 Correct evaluation of the pressure manometer display is particularly important. Here are some examples: 1- Low pressure:  hoch High pressure: high Outflow temperature at the centre vent: higher, up to ambient temperature Possible causes: engine overheated, condenser contaminated,...

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FAULT DIAGNOSTICS AUTO AIR CONDITIONING

FAULT  DIAGNOSTICS AUTO AIR CONDITIONING Testing the cooling capacity: In addition to test and special tools, every garage requires ,respective specialist knowledge, which can be acquired by training. This applies in particular to air conditioning systems.Due to the different systems, these instructions can merely beused as guideline. 1.  Start...

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