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9. Electrical Connection
Unless the power is off, do not touch the wiring in the junction box.
The electric pump should have reliable grounding to prevent current leakage with leakage protection switch
being equipped.
WARNING
!
1. Electrical connection and protection should be conducted according to stipulations. Specification
of working voltage is marked on the nameplate; please ensure the motor is in accordance with
power supply.
2. In case the working area of the electric pump is too far from the power supply, power
transmission lines should be of a heavier gauge, otherwise the electric pump cannot work
normally because the voltage drop is too dramatic.
3. In case the electric pump is used outdoor, extended lines should apply rubber cables for outdoor
use.
4. Check rotation of the motor (three-phase motor)
5. Check whether operation of the electric pump is normal, rotation is correct, which could be
observed from the fan blade terminal, e.g. clockwise rotation means correct direction. In case the
rotation is incorrect, cut off power and exchange the two power leads.
Summary of Contents for STAPB120
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Page 14: ...12 11 Troubleshooting Check the pump after power cut off WARNING...
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