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14. CONNECTION DIAGRAM
14.1. Single-phase pumps connection.
D1.1. Single phase pump with or without HUB electronic board.
- Connect the power supply to L and N through a circuit breaker and earth to a differential switch.
- Connect the pump to U, V and earth.
Connections at the HUB electronic board or connections of the float or pressure switches at the cn-
trol board will be done according to chapter 7.2.2.
N
L
N
L
U
V
U
V
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