14.2. 3-phase pumps connections.
D2.1. 3-phase pump with or without HUB electronic board.
- Connect the power supply to L1, L2 and L3 through the MCB and earth to the differential switch.
- Connect the pump to U, V, W and earth.
Connections of the float/pressure switches at the control board will be done according to chapter
7.2.2.
L1
L2 L3
L1
L2 L3
U
V
W
U
V
W
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