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 ...
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Introduction
This chapter contains information on the following subjects:
→ Indicator lamp
→ Using the cruise control system
The cruise control system (CCS) helps to maintain an individual set speed at
forward speeds of approx. 20 km/h (12 mph) and higher.
The CCS only slows the veh ...
Ultrasound A/C Cleaner -VAS6189B
The Ultrasonic HVAC Cleaning System -VAS6189A- is placed in
the front passenger footwell and sprays Aero-Clean. Aero-Clean
neutralizes microbes and bacteria inside the heater and A/C
unit.
The unit comes with Operating Instructions.
...
Introduction
The purpose of this Repair Manual is to provide foremen and
mechanics with the basic knowledge needed to ensure expert
working.
Note
Expert knowledge is achieved by one who has taken part
successfully in instructiona ...
