Volkswagen Polo Service & Repair Manual: Refrigerant R134a Environmental Information

Volkswagen Polo Service & Repair Manual / Refrrigerant R134a Servicing / A/C System, General Information / Refrigerant R134a / Refrigerant R134a Environmental Information

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 refrigerant.

The refrigerant employed is tetrafluoroethane R134a, which boils at -26.5 °C (-15.7 °F) at a vapor pressure of 1 bar (14.5 psi).

R134a is a fluorocarbon and contains no chlorine.

R134a has a shorter atmospheric life span than refrigerant R12.

R134a does not damage the ozone layer. The ozone depletion potential is zero.

The greenhouse potential of R134a (Global Warming Potential = GWP) is approximately 1430 (the GWP of carbon dioxide is 1).

The global warming effect of R134a is ten times less than that of refrigerant R12.

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 ...

Refrigerant R134a Characteristics

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Other materials:

Securing child seats with a seat belt
First read and observe the introductory information and safety warnings It is permissible to fasten child seats with universal written on the orange label to the seats using the seat belt, but only on the seats marked in the table with a u. Weight class Front passe ...

Checking
– Turn off the ignition. – Connect pressure gauge battery (A/C service station). – Take pressure gauge readings. There are two possible results A and B. &nbs ...

Socket in the vehicle
Fig. 106 Front centre console: 12-volt socket First read and observe the introductory information and safety warnings Maximum power rating Electrical socket Maximum power rating 12-volt 120 watts The maximum power rating of the sockets may not ...