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5.1 CONTROL PANEL
The control panel illustrated below is the only dryer-operator interface.
5.2 OPERATION
The dryer described in this manual basically consists of two separate circuits: a compressed air circuit, divided into three
heat exchangers, and a refrigerating circuit.
The incoming compressed air, which is warm and damp, first goes through the aftercooler where it undergoes an initial
cooling and loses part of its humidity. This is then sent through the 5-micron filter, which purifies and separates it ready to
be eliminated by an automatic system. The resulting air then goes through the air-air exchanger and enters the evaporator
(air-freon exchanger) where it is further cooled by contact with the freezing circuit.
This causes the rest of the humidity contained in the air to condense out so that it can be separated and passed into the
demister separator, which is positioned after the evaporator. The cooled air now goes through the air-air exchanger
where, its low temperature, cools down the warmer air coming from the final refrigeration circuit, operating a pre-cooling
process. The refrigerating circuit necessary for this process basically consists of a refrigerating compressor, a condenser
and the evaporator, also called air-freon exchanger.
1 ILLUMINATED ON/OFF SWITCH
2 AIR DRYER CONTROLLER
3 AIR AND REFRIGERANT FLOW DIAGRAM
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