28
POWER CONNECTIONS
Open the side cover
(4 screws)
Wire the cables as indicated in the
diagrams below:
A = inverter supply cable
B = output motor cable
Insert the connector and close
the side cover.
ATTENTION:
check that the power supply network is equipped with protections compliant with
local electrical regulations, and in particular with a
high-sensitivity differential switch
(30 mA in
class A for domestic applications and in class B for industrial applications),
magnetothermic
switches, and grounding
comply with the Standards.
CAUTION :
to overcome
problems associated with long cables
(between Inverter and pump
motor) , evaluate the application of inverter output sinusoidal filter. It aids smooth running of motors
eliminating negative effect of voltage peaks
GND
L
N
GND
V
W
U
LINE
M OTOR
N
L
SINGLE-PHASE IN (line)
SINGLE-PHASE OUT (motor)
( M / M )
Pump supply voltage:
230 V single-phase
GND
N
L
GND
LINE
M OTOR
U
W
V
SINGLE-PHASE IN (line)
THREE-PHASE OUT (motor)
( M / T )
Pump supply voltage:
230/400 V three-phase
Motor connection : DELTA
S
V
U
W
GND
R
LINE
T
GND
M OTOR
THREE-PHASE IN (line)
THREE-PHASE OUT (motor)
( T / T )
Pump supply voltage:
230/400 V three-phase
Motor connection : STAR
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General