Volkswagen Polo Service & Repair Manual: Refrigerant Circuit Connections with Valve for Switches

Volkswagen Polo Service & Repair Manual / Refrrigerant R134a Servicing / Refrigerant Circuit General Information / Switches and Sensors on Refrigerant Circuit and Connections / 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.

Refer to → Rep. Gr.87.

WARNING

There is a danger of ice-up.

Refrigerant will leak out if refrigerant circuit is not discharged.

Refrigerant must be extracted before removing valve -C-. If refrigerant circuit is not opened within 10 minutes of extraction, pressure may form in refrigerant circuit due to evaporation. Extract the refrigerant once more.

Different threads for switch on high pressure and low pressure sides.

Only valves and o-rings that are resistant to refrigerant R134a and refrigerant oil must be installed.

A -	Connection (soldered in)

B -

O-Ring

C -	Valve (with o-ring)

Refrigerant Circuit Connections with Valve for Switches

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. ...

A/C Pressure Switch -F129

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

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