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Climate Control -- Basic Knowledge -- 203 Chassis: Maintenance Mercedes-Benz C-class W204/S204

Automatic HVAC System 1 illustration ~134 words

Fluid reservoir function - GF83.40-P-2122-01P

The liquefied refrigerant enters the fluid reservoir under pressure and flows through a stainless-steel fabric layer to the filter block. The filter block can absorb a specific amount of water.

The filter block's pores are matched exactly to the molecular size of the refrigerant. Thus the refrigerant can flow through the filter block.

All other material is stopped by this molecular filter where it is stored. The cleansed refrigerant then flows through a rising pipe to the expansion valve.

Fluid reservoir location/task/design/function - GF83.40-P-2122P

MODEL 203.0 /2 /7 with CODE (580) Air conditioning (or Tempmatic for USA) with CODE (580) Automatic air conditioning with CODE (581) Automatic air conditioning with CODE (581) Comfort automatic air conditioning

Identifying Receiver/Drier. Scheme 3

Scheme 3: Identifying Receiver/Drier
Fluid reservoir, positionThe receiver (8) is located on the right-hand side of the condenser in the front of the engine compartment.
Receiver taskFiltering chemical and mechanical impurities out of the refrigerant Volume storage for the refrigerant Draining of the refrigerant
Fluid reservoir, designThe receiver/drier (8) can be partially disassembled and consists of a housing, a cover and a filter cartridge. As a result it is possible to replace separately the filter cartridge inside the receiver/drier (8) separately.
Fluid reservoir functionGF83.40-P-2122-01P