Operation
IntroductionRefrigerant machine oil
Refrigerant machine oil is miscible (approx. 20%–40%
depending on the type of air conditioner compressor and the
quantity of refrigerant) in the refrigerant. It circulates
continuously in the circuit and lubricates the moving parts.
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Undulations
Radial depressions are slight concavities in the tyre
sidewall.
They run from the bead towards the shoulder of the tyre.
These parts appear in the figure
→ Fig..
The cause is the accumulation of material ...
Refrigerant circuit with expansion valve and evaporator
1 -
Evaporator
2 -
Expansion valve
3 -
Valve for extracting, charging and measuring
4 -
Receiver with dessicant bag or cartridge
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