Volkswagen Amarok 2011 Workshop Manual page 34

Amarok 2011 ➤ , Beetle 2012 ➤ , Bora 1999 ➤ , CC 2010 ➤ , CC 2012 ➤ , ...
Air conditioning system with refrigerant R134a - Edition 10.2014
2.4.2 High-pressure switch for magnetic
clutch - F118-
Function:
In the event of excess pressure in the refrigerant circuit, switches
the air conditioner compressor off (at approx. 32 bar).
2.4.3 Low-pressure switch for air conditioning
system - F73-
Function:
In the event of pressure loss in the refrigerant circuit, switches the
air conditioner compressor off (at approx. 2 bar).
2.4.4 Connections to valves for switches in
the refrigerant circuit
WARNING
Danger of freezing injuries.
If refrigerant circuit has not been evacuated, refrigerant will
escape.
The refrigerant must be extracted before the valve -C- is re‐
moved. If the refrigerant circuit is not opened within 10 minutes
after it has been evacuated, pressure may develop in coolant
circuit due to re-evaporation. Extract refrigerant again.
• The switches on the high-pressure and low-pressure sides
have different threads.
• Use only valves and O-rings that are resistant to refrigerant
R134a and its associated refrigerant oils.
A - Connection (soldered in)
B - O-ring
C - Valve (with O-ring)
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Rep. gr.00 - Technical data