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Start-up / shut-down
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BA.10A.CNY.001.01.10.GB
5. Start-up / shut-down
5.1 Start-up
5.1.1 Check application conditions
Check the application conditions of the pump in this way:
1. Compare the data of the following documents with the
provided application condition of the pump:
- purchasing documents (confirmation of the order)
- nameplate
- operating manual.
2. Make sure that the pump will operate under the men-
tioned conditions only. This conditions apply to (e. g.)
pressure, temperature, liquid pumped.
5.1.2 Starting up the pump
Start up the pump in this way:
1. Check tightness of connection.
2. Make sure that all safety equipment is installed.
3. Make sure that all electrical connections are correct.
4. Open the check valves in the system.
5. Fill the pump together with the system.
6. Vent the pump and system.
7. Fully open the check valve on the suction side.
8. Close the check valve on the discharge side.
9. Start the pump.
10. Slowly open the check valve on discharge side.
C A U T I O N
!
Danger of overheating and pressure overloading!
Continues operation against a shut-off device causes a quick
heating of the liquid pumped and a pressure increase.
•
Never operate the pump against a closed shut-off device.
Operation with a shut-off device must on no account con-
tinue for longer than 30 seconds.
If delivery head does not rise after the pump has been
turned on:
1. Switch off the pump.
2. Vent the pump (system) again.
3. Repeat steps 7. to 10., section 5.1.2.
Overview
This section describes how to start up and shut down the pump. You get to know which inspections contribute to
failure-free operation and increased life of the pump.