Volkswagen Polo Service & Repair Manual: Refrigerant Circuit Connections with Valve for Switches
 Note
| For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit. |
WARNING
| There is a danger of ice-up. |
| Refrigerant will leak out if refrigerant circuit is
not discharged. |
| Refrigerant must be extracted before removing valve
-C-. If refrigerant circuit
is not opened within 10 minutes of extraction, pressure
may form in refrigerant circuit due to evaporation.
Extract the refrigerant once more. |
|
| Different threads for switch on high pressure and low
pressure sides.
|
|
|
|
| Only valves and o-rings that are resistant to refrigerant
R134a and refrigerant oil must be installed. |
| A - |
Connection (soldered in) |
|
|
|
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
...
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
...
Other materials:
Refrigerant Oil
Refrigerant oil mixes with the refrigerant (about 20 - 40%,
depending on compressor type and amount of refrigerant) and
circulates constantly in the system, lubricating the moving
parts.
Special synthetic refrigerant oils, for example,
...
Battery Charger -VAS5903- Device Description
WARNING
Risk of injury. Follow all Warnings and Safety
Precautions. Refer to
→ Chapter „Warnings and Safety Precautions“.
WARNING ...
An economic driving style
First read and observe the introductory information
and safety warnings Changing gear earlier
In principle, the highest gear is always the most economical gear. A rule of
thumb for most vehicles: at a speed of 30 km/h (19 mph) drive in 3rd gear, at 40
km/h (25 mph) in 4th gear and at 50 km/ ...
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A/C Refrigerant Low Pressure Switch -F73
A/C Pressure Switch -F129