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
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
To Next Page
Loading...
General