If and when
Frequently asked questionsO-ring
Use only O-rings that are resistant to refrigerant R134a and
related refrigerant oils. O-rings are no longer colour-coded.
Coloured and black O-rings are used.
Check that the O-rings used have the correct internal
diameters.
...
Charge factor
There must be space both for liquid and vapour in a
container. As the temperature rises, the liquid expands. The
space occupied by the vapour becomes smaller. Eventually, there
will only be liquid in the container. After that time, even a
small increase ...
Bringing air conditioning system into service after charging
Note
If the air conditioner compressor was removed, the V-belt
pulley /freewheel must be turned by hand approx. 10 times prior
to initial operation. This prevents any damage occurring from a
fluid hammer in the air conditioner compressor when th ...