Volkswagen Polo Service & Repair Manual: Refrigerant R134a Physical Data
|
| Chemical formula | CH2F–CF3 or CF3–CH2F |
| Chemical designation | Tetrafluoroethane |
| Boiling point at 1 bar (14.5 psi) | -26.5 °C (-15.7 °F) |
| Solidification point | -101.6 °C (-150.88 °F) |
| Critical temperature | 100.6 °C (213 °F) |
| Critical pressure | 40.56 bar absolute (588 psi) equals 39.5 bar pressure (573 psi) |
Critical Point
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 ref ...
Other materials:
Rear towing eye
Fig. 194 In the rear bumper on the
right-hand side: removal of the covers for the towing eye
Fig. 195 In the rear bumper:
removal of the covers for the towing eye
First read and observe the introductory
information and safety warnings
There is a fixed towing eye located underneath the rea ...
Introduction
This chapter contains information on the following subjects:
→ Ignition lock
→ Starting the engine
→ Stopping the engine
→ Electronic immobilizer
Notes in this chapter concerning the automatic gearbox are applicable
both for the automatic gearbo ...
Refrigerant Circuit with Expansion Valve
A-Low pressure side of refrigerant circuit.
B-High pressure side of refrigerant circuit.
Component
Aggregate State of Refrigerant
Pressure bar (psi) Positive Pressure
Temperature
...
