VW Polo manuals

Volkswagen Polo Service & Repair Manual: A/C Refrigerant High Pressure Switch -F23

  Note
For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit.
Refer to → Rep. Gr.87.
   
Function:
Switches the coolant fan to the next higher level when the pressure in the refrigerant circuit increases (approximately 16 bar (232 psi)).
 

A/C Refrigerant High Pressure Switch -F23

Switches and Sensors on Refrigerant Circuit and Connections
...

Magnetic Clutch High Pressure Switch -F118
  Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

Other materials:

Run-Flat System PAX, Support Ring
Dimensions     Overview of the most important dimensions: Names Example: 90-500(35) CLI A 1 876107 90 -  Designated width in millimeter ...

A/C Service Station, Connecting for Measuring and Testing
  Caution If it is suspected that chemicals were added to the refrigerant circuit to seal leaks, do not connect the A/C service station and do not extract the refrigerant. ...

Refrigerant R134a Physical Data
Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as refrigerant. The refrigerant employed is tetrafluoroethane R134a, which bo ...

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