Description of unit | AC442 | 14 en
1901016-85
5.5
Functional description
The refrigerant recovered from the air conditioning
system
pass through the combo filter to remove suspended
particles and moisture.
The purpose of the vacuum pump is to generate a
vacuum in the air conditioning system which removes
excess moisture and to detect possible leaks in the
vehicle air conditioning system.
Used oil is separated from the recovered vehicle
refrigerant and drained into the used oil bottle.
The vehicle air conditioning system is partly filled with
UV dye to facilitate the detection of leaks in the event of
damage to the vehicle air conditioning system.
The refrigerant in the internal refrigerant bottle is
used for filling the vehicle air conditioning system.
The purging unit for the non-condensable gases,
consisting of a temperature sensor, pressure sensor,
coil and orifice always takes effect when the internal
refrigerant bottle pressure is higher than the saturation
pressure
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