Instruction Book
93 9829 2115 69
6.3 During operation
Description
At regular intervals, check the PDP temperature. If the PDP temperature is too high, let
the dryer regenerate (by closing the outlet valve).
6.4 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.
I
If the dryer is stopped for a longer period, close the inlet and outlet valves to
avoid moisture from entering the dryer.
Ensure that the desiccant is well generated before stopping
7 Maintenance
7.1 Maintenance
General recommendations and precautions
During maintenance or repair on the regeneration valves, special attention must
be paid to the connections of:
the pilot air hoses to these valves
the electric cabling between the valves and cubicle
Wrong connections may cause the working pressure to be fed to the
regeneration silencer which may generate a high noise peak.
The dryer does not need any specific maintenance. Nevertheless, before carrying out
any maintenance or corrective activity, read the following recommendations and safety
precautions and act accordingly:
• Check that the dryer is switched off.
• Disconnect pressure sources and vent the internal pressure of the system before
dismantling any pressurized component.
• Use original Atlas Copco spare parts only.
• Check for correct operation after maintenance
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