User Manual of A90 Series Inverter
4
Before power-on:
Danger
1.
Make sure that the voltage level of the input power supply is consistent with the rated
voltage of the inverter; and the input terminals (R, S, T) and output terminals (U, V,
W) of the power supply are connected correctly. Check whether there is short circuit in
the peripheral circuits connected to the inverter and whether all connecting lines are
tightened; otherwise, the inverter may be damaged!
2.
The withstand voltage test has been performed to all parts of the inverter, so it is not
necessary to carry it out again. Otherwise, an accident may be caused!
Warning
1.
The inverter must not be powered on until it is properly covered; otherwise, electric
shock may be caused!
2.
The wiring of all peripheral accessories must be in line with the instructions in this
manual. All wires should be connected correctly according to the circuit connections in
this manual. Otherwise, an accident may occur!
After power-on:
Danger
1.
Never touch the inverter and surrounding circuits with wet hands; otherwise, electric
shock may occur!
2.
If the indicator is not ON and the keyboard has no response after power-on,
immediately turn off the power supply. Never touch the inverter terminals (R, S, T)
and the terminals on the terminal block with your hands or screwdriver; otherwise,
electric shock may be caused. Upon turning off the power supply, contact our
customer service personnel.
3.
At the beginning of power-on, the inverter automatically performs a safety test to
external strong current circuits. Do not touch the inverter terminals (U, V, W) or motor
terminals; otherwise, electric shock may be caused!
4.
Do not disassemble any parts of the inverter while it is powered on.
Warning
1.
When parameter identification is required, please pay attention to the danger of injury
during motor rotation; otherwise, an accident may occur!
2.
Do not change the parameters set by the inverter manufacturer without permission;
otherwise, the inverter may be damaged!
