VW Polo manuals

Volkswagen Polo Service & Repair Manual: 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 cartridge contained in the reservoir can absorb approximately 7 grams of water. They are then saturated and cannot absorb any more water. If water is still present in the refrigerant circuit, it flows up to the expansion valve nozzle or restrictor and becomes ice.
The air conditioning system stops cooling.
Water destroys the air conditioner as it combines with other impurities at high pressures and temperatures to form acids.
   

Combustibility

Refrigerant is non-flammable. It actually has a fire resistant or fire extinguishing effect. Refrigerant decomposes when exposed to flames or red-hot surfaces. UV light (occurring for example during electric welding) also causes refrigerant decomposition. The resultant decomposition products are toxic and are not to be inhaled. However, irritation of the mucous membranes provides an adequate and timely warning.

Commercial Names and Designations
Refrigerant R134a is currently available under the following trade names: H-FKW 134a SUVA 134a ...

Charge Factor
A vessel must have space for vapor as well as liquid. As the temperature rises, the liquid expands. The space filled with vapor decreases. At a certain point, there w ...

Other materials:

EU Tire Label, Goals
To reduce fuel usage To improve road safety To reduce traffic noise The EU Tire Label Provides the End-User with Information About the Tire's Most Important Properties. However, it Does ...

Rear view
Fig. 3 Overview of the rear of the vehicle Key for : Roof aerial High-mounted brake light Rear window Rear window heating Window aerial Rear window wiper Volkswagen badge, used for opening the tailgate Tail light cluster Number plate lights ...

Variable luggage compartment floor
Fig. 86 A: variable luggage compartment floor folded up and secured; B: expanding luggage compartment to front Fig. 87 C: extending the luggage compartment down; D: setting the maximum luggage space First read and observe the introductory information and safety warnings The luggage compar ...

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