OWNER’S MANUAL
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10. Start-up and Maintenance
Do not start up the pump before the pump chamber is filled with water.
Do not touch the electric pump unless its power has been cut off for at least 5 minutes.
Do not dismount the pump body unless water in the pump chamber is emptied.
WARNING
!
Rotate the fan blade before startup, check
whether the pump rotation is flexible and then
unscrew the water-filling plug, fill the pump
chamber with clean water from the water
injection hole, then tighten the plug screw
after gas has been completely discharged The
valve should be shut tightly while starting up
the pump. After the pump discharges water
and operates normally, adjust the valve to the
required flow (flow and lift will be displayed on
the nameplate).
Attention:
1. In case no water is discharged after being started for more than 5 minutes with the water filled,
turn off the electric pump, re-fill water or check whether the inlet pipeline has leakages.
2. In case of any frost and ice damages, please open the drain plug to empty water in the pump
chamber. When start up the pump again, open the drain plug, fill water and tighten it and then
the pump is usable.
3. In case not use for a long time, water in the pump should be emptied. The pump body, impeller
and support should be cleaned and coated with anticorrosive oil before they are put in a
ventilated and dry place for use.
4. In case the pump is halted for a long time, start it up again according to above diagram.
5. In summer or when the ambient temperature is high, pay attention to ventilation, avoid dew on
electrical parts which will result in electrical faults.
6. In case the motor is hot or abnormal, cut off the power immediately and check faults according to
the following table.
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