Haskel Q-Drive QGD Series Installation, Operation And Maintenance Manual page 26

Q-Drive Installation, Operation, and Maintenance Manual
9. Tap Press to Purge. The inlet valve remains open and the outlet valve changes to vent. The
purging process will not begin until inlet pressure is less than 200 psi (13.8 bar).
10. Go to the open panel and open the needle valve slowly. The purging Media will enter the inlet
valve, flow through the gas sections, exit out of Gas Outlet vent.
11. When purging is complete, close the needle valve. Then Press to Purge button turns off.
12. On the Service screen, tap Press to Pause to restart the pump.
13. Shut down the system. See "Shutting Down."
If not using a different Non-Explosive Process Media, then follow this procedure:
1. Locate the Inlet port. See "Attaching Air, Gas, and Coolant Lines."
2. Turn on the power.
3. Log in using the Service account.
4. Tap Settings, then tap Service.
5. On the Service screen, tap Press to Pause.
6. Tap Press to Purge. The inlet valve remains open and the outlet valve changes to vent. The
purging process will not begin until inlet pressure is less than 200 psi (13.8 bar).
7. Supply Non-Explosive Process Media slowly to the Gas Inlet port. The Process Media will
enter the inlet valve, flow through the gas sections, exit out of Gas Outlet vent.
8. When purging is complete, stop supplying. Press to Purge button turns off.
9. On the Service screen, tap Press to Pause to restart the pump.
10. Shut down the system. See "Shutting Down."
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