Volkswagen Polo Service & Repair Manual: Connecting Service Station
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Connect the A/C service station to the power supply. |
| – |
Connect quick-release coupling adapter to charging hoses of
service station (handwheels not screwed in/hand shut-off valve
not open).
|
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Switch on service station and evacuate charging hoses (only
necessary if there is air in charging hoses). |
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Switch off A/C service station. |
| – |
Remove caps from service connections (with valve). |
| – |
Connect the A/C service station to the refrigerant circuit
using service connections with quick-release coupling adapters. |
| – |
Screw in handwheel of quick-release coupling adapters only
until valves are definitely open at refrigerant circuit
connection (observe pressure gauge, do not strain valves). |
| – |
Perform planned tests and measurements. |
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The Ultrasonic HVAC Cleaning System -VAS6189A- is placed in
the front passenger footwell and sprays Aero-Clean. Aero-Clean
neutralizes microbes and bacteria inside th ...
Other materials:
A/C Compressor Regulator Valve -N280
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
Refer to
→ Rep. Gr.87.
...
Refrigerant R134a Physical Data
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as refrigerant.
The refrigerant employed is tetrafluoroethane R134a, which
bo ...
Refrigerant in A/C Service station Container, Filling
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
...
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Ultrasound A/C Cleaner -VAS6189B