What are the precautions in the use of submersible pumps?

Update:17-05-2019
Summary:

1. Can not be grounded 2. No device leakage maintenance […]

1. Can not be grounded
2. No device leakage maintenance device
3. The power supply voltage is abnormal when booting
4.  The motor rotates in the opposite direction
5. Long time overload operation
6. Frequency switch
7. Use in silt environment
8. After the stop, long time in the water

www.apichinapump.com

PREV:       It is the last article