IMO Jaguar CUB, Instruction Manual

Page: 27 / 170

2-6
2.3.4 Wiring Precautions
Follow the rules below when performing wiring for the inverter.
(1) Make sure that the source voltage is within the rated voltage range specified on the nameplate.
(2) Be sure to connect the power wires to the main circuit power input terminals L1/R, L2/S and
L3/T (for three-phase voltage input) or L1/L and L2/N (for single-phase voltage input) of the
inverter. If the power wires are connected to other terminals, the inverter will be damaged when
the power is turned on.
(3) Always connect the grounding terminal to prevent electric shock, fire or other disasters and to
reduce electric noise.
(4) Use crimp terminals covered with insulated sleeves for the main circuit terminal wiring to ensure
a reliable connection.
(5) Keep the power supply wiring (primary circuit) and motor wiring (secondary circuit) of the main
circuit, and control circuit wiring as far away from each other as possible.
• When wiring the inverter to the power source, insert a recommended moulded case
circuit breaker (MCCB) or residual-current-operated protective device (RCD)/earth
leakage circuit breaker (ELCB) (with the exception of those exclusively designed for
protection from ground faults) in the path of power lines. Use the devices within the re-
lated current range.
• Use wires in the specified size.
Otherwise, fire could occur.
• Do not use one multicore cable in order to connect several inverters with motors.
• Do not connect a surge killer to the inverter's secondary circuit.
Doing so could cause fire.
• Be sure to connect the grounding wires without fail.
Otherwise, electric shock or fire could occur.
• Qualified electricians should carry out wiring.
• Be sure to perform wiring after turning the power off.
• Ground the inverter according to the requirements of your national and local safety
regulations.
Otherwise, electric shock could occur.
• Be sure to perform wiring after installing the inverter body.
Otherwise, electric shock or injuries could occur.
• Check that the number of input phases and the rated voltage of the product match the
number of phases and the voltage of the AC power supply to which the product is to be
connected.
Otherwise fire or an accident could occur.
• Do not connect the power source wires to output terminals (U, V, and W).
• Do not connect a braking resistor to between terminals P (+) and N (-), P1 and N (-), P (+)
and P1, DB and N (-), or P1 and DB.
Doing so could cause fire or an accident.