Checking Systems With A Restrictor And Reservoir And Air Conditioner Compressor Regulating Valve N280 (With Externally Regulated Air Conditioner Compressor) - Volkswagen Amarok 2011 Workshop Manual

Amarok 2011 ➤ , Beetle 2012 ➤ , Bora 1999 ➤ , CC 2010 ➤ , CC 2012 ➤ , ...
10.4.3 Specifications
High-pressure side:
Increasing from the pressure when the engine is stopped to a
maximum of 20 bar positive pressure.
Low-pressure side:
Decreasing from the pressure when the engine is stopped to 1.3
bar positive pressure.
10.5 Checking systems with a restrictor and
reservoir and air conditioner compres‐
sor regulating valve - N280- (with exter‐
nally regulated air conditioner compres‐
sor)
Note
♦ Connecting air conditioner service station
Observe the test prerequisites
♦
– Raise engine speed to 2,000 rpm.
– Observe air conditioner service station pressure gauge.
Note
Switching pressures for the air conditioner compressor regulating
valve - N280- and the radiator fan - V7- are vehicle-specific.
⇒ Rep. gr. 87
10.5.1 Specifications:
High-pressure side:
Rising from starting pressure (when pressure gauge is connec‐
ted) to 20 bar.
Air conditioning system with refrigerant R134a - Edition 10.2014
⇒ page 126
⇒ page 127 .
.
10. Checking pressures on vehicles
143