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Volkswagen Golf Service & Repair Manual: Draining refrigerant circuit using air conditioner service station Volkswagen Golf Service & Repair Manual / Air conditioning system with refrigerant R134a / Working with the air conditioner service station / Draining refrigerant circuit using air conditioner service station
 WARNING | High-voltage on high-voltage system. Danger of electric shock on air conditioner compressor! | | Models with a high-voltage system: now de-energise the high-voltage system → Electric drive; Rep. gr.93. | | | Depending on the type of equipment chosen, there may be variations in the required procedure (always follow user's manual for the equipment being used). | | The refrigerant circuit must be discharged if parts of the refrigerant circuit must be removed, if there is uncertainty about the quantity of refrigerant in the circuit or if safety measures require it. | | All important operating instructions associated with the air conditioner service station for working with refrigerants can be found in the air conditioner service station operator's manual. | | – | Connect air conditioner service station to service connections as described in the user's manual for the vehicle → Rep. gr.87 and bring into operation. |  Note | The possibility cannot be excluded that, along with the refrigerant, refrigerant oil is extracted from the refrigerant circuit. In order to ensure the lubrication of the air conditioner compressor, the refrigerant oil quantity should be topped up with fresh oil → Rep. gr.87. | | On vehicles with air conditioner compressor and no magnetic coupling (with air conditioner compressor regulating valve -N280-) the engine should only run for < 10 minutes with empty refrigerant circuit and closed refrigerant circuit (the air conditioner compressor runs with it continually). The engine speed must not exceed 2000 rpm. | | On vehicles with air conditioner compressor and magnetic coupling, the engine may be started as the air conditioning system pressure switch -F129- or high-pressure sender -G65- (checks whether refrigerant is in the circuit) switches off the magnetic coupling as soon as there is no refrigerant in the refrigerant circuit. | |
Connecting air conditioner service station for measuring and checking
Depending on the type of equipment chosen, there may be variations in the required procedure; therefore always follow the user's manual for the equipment being used. ...
Evacuating refrigerant circuit using air conditioner service station
Always follow the procedure described in the user's manual for your air conditioner service station. The procedure described here is that for a ...
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