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1904 0504 83
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AI Air inlet
AO Air outlet
1 Air/air heat exchanger
2 Air/refrigerant heat exchanger/evaporator
3 Condensate separator
4 Automatic drain / condensate outlet
5 Refrigerant compressor
6 Refrigerant condenser
7 Liquid refrigerant dryer/filter
8 Capillary
9 Bypass valve
10 Condenser cooling fan
11 Pressure switch, fan control
12 Liquid separator
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Compressed air enters heat exchanger (1) and is cooled by the outgoing, cold, dried air. Water in the
incoming air starts to condense. The air then flows through heat exchanger/evaporator (2), where the
refrigerant evaporates, causing the air to be cooled further to close to the evaporating temperature of
the refrigerant. More water in the air condenses. The cold air then flows through separator (3) where all
the condensate is separated from the air. The condensate is automatically drained through outlet (4).
The cold, dried air flows through heat exchanger (1) where it is warmed up by the incoming air.