During Operation; Stopping - Quincy QHD750 Instruction Book

5.3

During operation

At regular intervals, check the PDP reading. If the PDP reading is too high, let the dryer regenerate (by
closing the outlet valve).
5.4

Stopping

Procedure
To stop the dryer proceed as follows:
1. If installed and if necessary, open the bypass valves of the dryer so that the application will still
receive compressed air.
2. Close the external inlet valve between the compressor and the dryer and the external outlet valve
between the dryer and the dry air consumer.
3. Switch the dryer off.
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 A Sonic nozzle is available to avoid damaging of the desiccant at start up.
 If the dryer is started and stopped automatically, precautions must be taken to
avoid damaging of the desiccant.
Close the external inlet valve in case the compressor needs to be restarted. The
air speed in the start-up phase of the compressor may damage the desiccant.
 If the dryer is stopped for a longer period, close the inlet and outlet valves to
avoid moisture from entering the dryer.
 Make sure that the desiccant has been properly regenerated before stopping.
Instruction book
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