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:
Belt height adjuster
Fig. 54 Next to the front seats: belt
height adjuster
First read and observe the introductory information
and safety warnings
The seat belt height adjusters for the front seats can be used to adjust the
position of the seat belt on the shoulder so that it can be fastened properly:
Pus ...
Water Content
Only very small amounts of water are soluble in liquid
refrigerant. On the other hand, refrigerant vapor and water
vapor mix in any ratio.
Only a small drop of water may get into the refrigerant
circuit. The dryer, dryer bag or dryer car ...
Siemens Wheel Electronics Tire Pressure Monitoring Sensor, Removing and
Installing
WARNING
If tire sealant was used, then the wheel electronics
on that particular wheel must be replaced.
The Siemens wheel electronics does not have a
microencapsulated ...
