Volkswagen Golf 1999 Service Manual page 3910

A/C refrigerant system, servicing
Pressure and temperature specifications
Refer to pages
Component
1 - Evaporator, inlet to
outlet
2 - Low pressure
service valve
3 - Compressor, low
pressure side
4 - Compressor, high
pressure side
5 - Condenser
6 - Receiver drier
7 - Sight glass (if
equipped)
8 - High pressure
service valve
9 - Expansion valve
1)
Pressure maintained in the refrigerant system by the variable displacement
compressor despite variables in temperature, load and engine speeds (RPM).
2)
Temperature maintained in the refrigerant system by the variable displacement
compressor despite variables in temperature, load and engine speeds (RPM).
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Next&type=repair&id=...
Page 87-118 and
Refrigerant
state
Vapor to Gas
Gas
Gas
Gas
Gas
to Vapor
to Liquid
Liquid
Liquid
Liquid
Liquid to
Vapor
Page 87-119 for component identification.
Approximate
pressure (bar/psi)
1)
1.2 bar (17.4 psi)
14 bar (203 psi)
Inlet: 14 bar (203 psi)
Outlet: 1.2 bar (17.4
psi)
Página 41 de 51
87-120
Approximate
temperature
2)
-7 C (19 F)
-1 C (30 F)
65 C (149 F)
55 C (131 F) at
outlet
55 C (131 F)
Inlet: 55 C (131
F)
Outlet: -7 C (19
F)
13/2/2005