VW Golf manuals

Volkswagen Golf Service & Repair Manual: Low-pressure switch for air conditioning system -F73

Function:
In the event of pressure loss in the refrigerant circuit, switches the air conditioner compressor off (at approx. 2 bar).
 

Low-pressure switch for air conditioning system -F73

Switch and sender in refrigerant circuit and related connections
  Note See vehicle-specific refrigerant circuit for switching pressures, removing and fitting switches, together with switch arrangement and versions. ...

Connections to valves for switches in the refrigerant circuit
  WARNING Danger of freezing injuries. If refrigerant circuit has not been evacuated, refri ...

Other materials:

Removing and installing gas discharge bulb control unit -J343-/-J344-
  WARNING Risk of death due to high voltage! Risk of injury and environmental pollution! Observe operation and safety notes for gas discharge bulbs → Chapte ...

Working with the air conditioner service station
  Caution If there is evidence to suggest that chemical substances have been added in the vehicle to seal leaks, do not connect the air conditioner service station and do not extract the refrigerant. ...

Contact corrosion
Contact corrosion can occur if unsuitable connecting elements (screws, bolts, nuts, washers, etc.) are used. For this reason, only connecting elements with a special surface coating are fitted in the vehicle. Moreover, c ...

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