Network Connection; Power Terminals - Wilo Helix EXCEL 22 Série Notice De Montage Et De Mise En Service

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Network connection

Connect the 4 wires cable on the power terminals
(phases + earth).
Connection of inputs / outputs
• The sensor, external set value and [ext.off] inputs
cable must be necessarily screened.
• The remote control allows the switching On or Off of the
pump (free contact), this function has priority on the
others.
• This remote control can be removed by shunting the ter-
minals (3 and 4).
38

Power terminals

L1
L2
L3
Inputs / outputs terminals
aux
ext.off
MP
1
2
3
4
5
6
not used
not used
Remote
control
ON/OFF
Example: Float switch, pressure gauge for dry-running...
20mA/10
DDS
7
8
9
10 11
WILO SE 03/2013

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