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...Technical Information Fittings General points Fittings are available in different versions. It must be noted that connection muffs for flexible refrigerant pipelines have certain structural features at one end. • A cylindrical straight connection pipe, the outer diameter of which m...

...Technical Information Filter/Dryer General points The filter/dryer is used with systems with expansion valve. It is located in the high-pressure line between the condenser and the expansion valve. The task of the filter-dryer is to remove impurities from the refrigerant and dehumidify...

...Expansion valve General points The expansion valve is the point of separation between high pressure and low-pressure areas in the cooling cycle. It is mounted upstream from the evaporator. In order to achieve optimum cooling capacity in the evaporator, the flow of refrigerant is regulate...

...Technical Information Expansion tank General points The expansion tank in the cooling system is usually made of plastic and is used to trap the expanding coolant. It is normally installed in such a way that it represents the highest point in the cooling system. It is transparent to all...

...Technical Information Evaporator General points The evaporator is used for heat exchange between the surrounding air and the refrigerant in the air conditioning system. How it works The refrigerant, which is under high pressure, is injected into the evaporator via the expansion o...

...Conversion R12/R134a The European Parliament has decreed (Gazette no. 2037/2000) that conventional refrigerant (R12) must be replaced by chlorine-free refrigerant (R134a) from 01.01.2001 onwards whenever air conditioning systems have to be opened for maintenance or repair work following t...

...Condensors General The condenser is required to cool down the refrigerant heated up by being compressed. Function The hot refrigerant gas flows into the condenser at the top transferring heat to the surroundings through the piping and f ins. After cooling the refrigerant exi...

...Condenser fans General To guarantee correct liquefaction of the coolant in the condenser or sufficient engine cooling, an additional or more powerful condenser f an is usually installed in vehicles with air-conditioning systems. Existing fans may also be replaced by more powerful o...

...Technical Information Compressors without magnetic clutches General For some years, so-called clutchless, externally triggered, variable compressors have been used (Fig. 1). All w ell-known compressor manufacturers use a great variety of different basic types. Here is a list of the...

...Compressor Multiple use. In principle a visual comparison of installation area, mounting points and size should be carried out before replacement takes place. Some replacement compressors are designed for so -called "multiple uses". This means the y can be fitted into different vehi...



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