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Bentley Volkswagen.Golf.Jetta.R32.Official.Factory.Repair.Manual.1999-2005

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General information on refrigerant circuit<br />

Página 14 de 21<br />

A/C Refrigerant Shut-Off Valve N43<br />

The flow of refrigerant in the second evaporator is switched<br />

on or off by the shut-off valve. It opens when voltage is<br />

applied, switched by the A/C Programmer.<br />

A/C Compressor Regulator Valve N280<br />

The regulator valve is installed in the A/C compressor. It is<br />

activated by the A/C Control Head E87 or the Climatronic<br />

Control Module J255 . Pressure on the low pressure side is<br />

influenced via the regulator valve and thus regulates the<br />

temperature in the evaporator.<br />

Note:<br />

- A/C Compressor Regulator Valve N280 is a structural<br />

component of the A/C compressor and cannot be replaced<br />

separately.<br />

Electrical components not installed on the<br />

refrigerant circuit<br />

A/C Programmer J127<br />

This programmer switches off the refrigerant flow through<br />

the 2nd evaporator when the temperature on the cooling<br />

ribs of the 2nd evaporator sinks to the freezing point for<br />

http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Next&type=repair&id=...<br />

13/2/<strong>2005</strong>

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