Wilo Helix EXCEL 22 Série 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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