Audi A4: Laws and Regulations
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Laws and Regulations
READ NEXT:
General Information
Note
The laws and regulations listed below are applicable in
Germany. Different or additional laws and regulations may apply
in other countries.
The effects of climate change can be seen wor
Laws and Regulations
Refrigerant Circuit, Converting R12 to R134a and Servicing
Note
For environmental reasons and on account of the
corresponding legislation, refrigerant R12 can no longer be
manufactured or
SEE MORE:
Fiber-Optic Cables, Repairing
Caution
Do not bend the fiber-optic cable too much. The
bending radius must be no less than 25 mm.
Fiber optic cables must not be routed over sharp
edges.
The fiber-optic cable must not be dirty or touched
with bare fingers.
Fiber optic cables may not be heated.
It is not permitted to tw
A/C Technology Basic Principles
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 - Gaseous (invisible)
2 - Vapor
3 - Liquid
4 - Solid
When water is heated in a container (heat absorption), water
vapor can be seen to rise. If the vapo
© 2019-2026 Copyright www.audia4b9.com
