Xylem HVS 1.1 - 3.4 - Manual (Page 16)

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3.4 Connecting the power cables
a) motor cable:
Locate the motor connections inside the Hydrovar sensorless. Connect wires to the
terminals and rout the cable through the cable gland.
You must take a motor cable at least Ø 11.5mm if you want protection IP55. (only HVS 1.1)
The earth-wire of the cable has to be fixed with the screws with the earth-symbol to the
cooling body of the Hydrovar sensorless.
b) Connections in the conduit box
The connection of the motor cable depends on the type of the motor and can be done in
star or delta connection:
(you have to use the connection for a motor voltage of 3x230V shown on the motor label)
Star-connection Delta-connection
c) supply cable
The main power cable is connected to the terminals labelled L1, N for the 230 VAC, single
phase unit; or L1, L2, L3 for the 3x400VAC, three phase unit.