Volkswagen Polo Service & Repair Manual: A/C Refrigerant Low Pressure Switch -F73

Volkswagen Polo Service & Repair Manual / Refrrigerant R134a Servicing / Refrigerant Circuit General Information / Switches and Sensors on Refrigerant Circuit and Connections / A/C Refrigerant Low Pressure Switch -F73

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 off A/C compressor when there is excessive pressure in the refrigerant circuit (approximately 2 bar (29 psi)).

A/C Refrigerant Low Pressure Switch -F73

Magnetic Clutch High Pressure Switch -F118

Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

Refrigerant Circuit Connections with Valve for Switches

Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

Other materials:

Sealing and inflating tyres
First read and observe the introductory information and safety warnings Sealing a tyre Unscrew the cap from the tyre valve. Use the valve core extractor to screw the valve core out of the tyre valve. Place the core on a clean surface. Shake the tyre filler bottle vigorously up ...

Instrument overview
Fig. 10 Instrument cluster in the dash panel: type 1 Fig. 11 Instrument cluster in the dash panel: type 2 First read and observe the introductory information and safety warnings Descriptions of the instruments or : Rev. counter (running engine speed in revolutions x 1,000 per mi ...

Physical Principles
The four known states of water also apply to air conditioning system refrigerants. 1 - gaseous (invisible) 2 - vapor 3 - fluid 4&nbs ...