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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 4 de 21<br />

is completely assembled<br />

on refrigerant circuit .<br />

00-1, Basic rules for working<br />

- The A/C compressor is equipped with a protected oil<br />

supply, this prevents A/C compressor damage in the event<br />

that the system is empty. This means that approx.40 to 50<br />

cm 3 of refrigerant oil remains in the A/C compressor.<br />

Condenser<br />

The condenser conducts heat from compressed refrigerant<br />

gas to the ambient air.<br />

This condenses the refrigerant gas to liquid.<br />

Evaporator<br />

The liquid refrigerant evaporates in the evaporator pipe<br />

coils. The heat required for this is drawn from the air<br />

flowing on the evaporator ribbing. The air cools off.<br />

Refrigerant evaporates and is extracted with the absorbed<br />

heat by the A/C compressor.<br />

A defined amount of refrigerant is supplied to the<br />

evaporator by a restrictor or expansion valve. In systems<br />

with expansion valve, the flow is regulated so that only<br />

gaseous refrigerant escapes the evaporator outlet.<br />

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

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

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