41
INSTALLATION
Before installing and using STEADYPRES:
-
read this manual thoroughly and carefully and refer to the Safety Standards.
-
Before making the connections, make sure that the ends of the line wires are not live.
-
Make sure also that the electric power supply network is protected by thermal magnet and differential
protections according to the applicable Standard in force. The
differential switch must be high-
sensitivity type
(30 mA in class A for domestic application, class B for industrial applications)
-
Ground connections
must be in compliance with Standards.
-
Check that the plate data is that required and suitable for the system
-
The
cable section
(
power supply cable
and
connection cable between the inverter and the
motor)
must be dimensioned according to:
o
Voltage (230 V single-phase, 230 V three-phase, 400 V three-phase)
o
Pump power
o
Cable lenght
-
The power supply cable and the motor cable must be sized to curb any
power voltage drop within
3%.
-
The power supply cable and the motor cable must be suitably
shielded
to comply with EMC
standards.
-
In case of
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
For CONNECTIONS see
QUICK INSTALLATION GUIDE
.
SELF-LIMITING OVERLOAD
If the
current
detected by
the inverter
Or the
temperature
of the
inverter
Exceed
the
safety
limits
STEADYPRES
proceeds to a
progressive
reduction
in the frequency of
operation
As long as the
values are
returned within
the limits
While operating in self-limitation, DISPLAY and LED flash to indicate the fault status
CONNECTION OF 4-CABLE SUBMERSIBLE SINGLE-PHASE MOTOR
STARTING UP
-
Before running, this Manual must have been carefully read and the instructions followed; wrong
settings and operations are thus prevented that could cause operating faults
-
Before starting the system, the pumps must be primed (filling and air bleeding)
