User Manual of A90 Series Inverter
3
from combustibles; otherwise, a fire may be caused!
2.
Do not loosen the fixing bolts of components, especially those with red marks!
Warning
1.
Never make wire connectors or screws fall into the inverter; otherwise, the inverter
may be damaged!
2.
Install the inverter in a place with little vibration and exposure to direct sunlight.
3.
When the inverter is installed a relatively closed cabinet or space, pay attention to the
installation gap to ensure the effects of heat dissipation.
During wiring:
Danger
1.
Follow the instructions in this manual, and appoint professional and electrical
engineering personnel to complete wiring; otherwise, unexpected dangers may be
caused!
2.
The inverter and power supply must be separated by a circuit breaker
(recommendation: greater than or equal to and closest to twice the rated current);
otherwise, a fire may be caused!
3.
Before wiring, make sure that the power supply is in the zero energy status; otherwise,
electric shock may be caused!
4.
Never connect the input power supply to the output terminals (U, V, W) of the inverter.
Pay attention to the marks of wiring terminals, and connect wires correctly! Otherwise,
the inverter may be damaged!
5.
Make the inverter grounded correctly and reliably according to the standards;
otherwise, electric shock and fire may be caused!
Warning
1.
Make sure that the lines meet the EMC requirements and local safety standards. For
wire diameters, refer to the recommendations. Otherwise, an accident may occur!
2.
Never connect the braking resistor directly between the DC bus and terminal.
Otherwise, a fire may be caused!
3.
Tighten the terminals with a screwdriver of specified torque; otherwise, there is a risk
of fire.
4.
Never connect the phase-shifting capacitor and LC/RC noise filter to the output circuit.
5.
Do not connect the electromagnetic switch and electromagnetic contactor to the output
circuit. Otherwise, the overcurrent protection circuit of the inverter will be enabled. In
severe cases, the inverter may be subject to internal damage.
6.
Do not dismantle the connecting cable inside the inverter; otherwise, internal damage
may be caused to the inverter.
