Wilo Helix EXCEL 2 Notice De Montage Et De Mise En Service page 40

English
DANGER! Danger of death!
Contact voltage hazardous due to the discharge of the
converter capacitors.
• Before any intervention on the converter, wait for 5 min-
utes after disconnecting of the supply voltage.
• Check whether all electrical connections and contacts are
voltage-free.
• Check the righ allocation of the connection terminals.
• Check the right earth connection of the pump and installa-
tion.
Control laws
IN1 : Input signal in « Constant pressure » and « P.I.D. control » mode
100%
Value
in % of the range
of measurement of
the sensor
0
100%
Value
in % of the range
of measurement of
the sensor
0
40
Sensor signal 4-20mA
Between 0 and 2 mA, cable is
considered as broken
Safety
area
2 4 Input current (mA)
Sensor signal 0-20mA
Input current (mA)
100%
Value
in % of the range of
measurement of the
sensorr
20 0
100%
Value
in % of the range of
measurement of the
sensor
20 0
Sensor signal 0-10V
Input voltage (V)
Sensor signal 2-10V
2 Input voltage (V)
WILO SE 03/2013
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