EM500 Open-Loop Vector Control Inverter User Manual
4
1. Installation base shall be metal or other non-flammable material so as to prevent fire
2.
Do not unscrew fixing bolts, especially bolts with red mark.
1. Ensure that no cable strips or screws are dropped into inverter so as to avoid damage to
2. Install inverter at a place with less vibration and no direct sunlight.
3. Consider the installation space for cooling purpose when inverter is installed in a closed
1
、
Wiring must be performed by authorized and qualified personnel so as to avoid
2、 A circuit breaker must be installed between inverter and the mains so as to prevent fire
3、 Ensure that power is off before wiring, and ground inverter in accordance with the
applicable wiring standard so as to avoid electric shock.
4、 Grounding terminal must be grounded reliably so as to avoid electric shock and fire
1
、
Never connect input power supply cable to output terminals U, V or W of inverter. Pay
attention to terminal symbols and connect to the terminals correctly so as to prevent risks of
damaging inverter.
2、 Be sure that wiring meets EMC requirements and local safety standards. Cable should
be in recommended sizes so as to prevent accident risk.
3、 Do not connect braking resistor to DC bus terminals + and – so as to prevent fire risk.
4、 Tighten terminals with a screwdriver of specified torque so as to prevent fire risk.
5、 Do not connect a phase-shifting capacitor or an LC/RC noise filter to output circuits.
6
、
Do not connect a solenoid switch or an electromagnetic contactor to output circuits.
Otherwise, it will trigger the action of the overcurrent protection circuit or even damage the
internal parts of inverter.
7、 Do not disconnect internal cable of inverter, or else this can possibly damage the
internal parts of inverter.
1. Ensure the distribution lines accord to EMC requirements and the local area's safety
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