Display And Indicators; Dewpoint Display; Indicators; Dryer Shutdown - Parker PNEUDRI MXLE Serie Mode D'emploi

4.3 Display and Indicators

4.3.1 Dewpoint Display

- 5 0 - 5 0

4.3.2 Indicators

4.4 Dryer Shutdown

Press and release the Stop control on the dryer. The dryer will stop cycling immediately, however the pump will continue to run for 10
1
minutes in order to evaporate any residual moisture.
Do Not turn off the electrical isolator until the pump stops running.
To depressurise the dryer
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 dust filter to depressurise the dryer.
4
Note: A small amount of air may be trapped between the inlet isolation valve and the dryer inlet.

4.5 Emergency Shutdown

In the event of an emergency the system can be shutdown using the Emergency cut off switch located on the side of the electrical control box.
Activating this switch disconnects the electrical power to the dryer and the pump.
Do Not use this switch for normal shutdown as this may cause damage to the pump.
22
The display indicates the current dewpoint of the compressed air at the outlet of the dryer.
Should the hygrometer get disconnected from the dryer, the display will change to
The ECO indicator - illuminates when the Energy Management System is activated.
The service indicator will illuminate continuously when the service is due. The service indicator should
only be reset by approved service personnel on completion of the required service.
The fault indicator will illuminate under the following conditions:
High P fault - occurs if the exhaust valve housing is pressurised when the vacuum valve is trying to
1
open. To overcome this fault isolate the electrical supply to the dryer, reconnect the supply and start
dryer as detailed in section 4.2.
MPU Trip - occurs if the pump overload has tripped. To overcome this fault reset the overload, the
2
dryer will start cycling as soon as the overload is reset.
Note. If the overload continues to trip after being reset please contact dhFNS for guidance.
P Sensor Fault - Occurs if the sensor supply wire is open circuit.
3
.