Parker CDAS HL 050 Series, User Manual

Page: 28 / 398

24
4.2 Starting the equipment
1 Ensure that the isolation valves on the inlet and the outlet of the dryer are closed.
2 Turn the dryer ON and verify that the display illuminates.
3 Slowly open the isolation valve on the inlet of the dryer and verify that there are no leaks.
4 Test the condensate drains of the filters by pushing up on the connected piping (warning - pressurised air or condensate will be present) and
ensure they are discharging correctly into a suitable collection vessel.
Note. The pressure gauges on the dryer will not indicate pressure until the dryer begins to cycle.
5 Slowly open the outlet isolation valve to allow the system to pressurise. Do not open the valve fully until the down stream system has
reached the correct operating pressure.
The dryer is designed for continuous use and, once running, requires no further operator intervention.
4.3 Dryer Shutdown
To depressurise the dryer
1 Turn the dryer OFF at the isolator.
2 Close the isolation valve on the outlet followed by the isolation valve on the inlet.
3 Slowly open the drain ball valve on the outlet filter to depressurise the dryer.
Note: A small amount of air may be trapped between the inlet isolation valve and the dryer inlet. This can be removed by pushing
up on the inlet filter float drain connections / piping
Light blue box with a diagonal arrow indicates that the
remote STOP command is present either via digital input
or MODBUS.
Switch Control Alarm input is active.
Note. If the electrical supply is disconnected during operation, the dryer will start automatically when re-energised.