Nissei VF-nC3M Instruction Manual
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Contents
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ＮＩＳＳＥＩ ＣＯＲＰＯＲＡＴＩＯＮ E6581815B-122. ConnectionWarningDisassemblyprohibited Never disassemble, modify or repair.This can result in electric shock, fire and injury. Call our company for repairs.Prohibited Don't stick your fingers into openings such as cable wiring hole and cooling fan covers.This can result in electric shock or other injury. Don't place or insert any kind of object into the inverter (electrical wire cuttings, rods, wires). This canresult in electric shock or fire. Do not allow water or any other fluid to come in contact with the inverter.That may result in electric shock or fire.CautionProhibited When transporting or carrying, do not hold by the front panel covers.The covers may come off and the unit will drop out resulting in injury.2.1 Cautions on wiringWarningProhibited Never remove the terminal cover when power is on or open door if enclosed in a cabinet.The unit contains many high voltage parts and contact with them will result in electric shock.Mandatoryaction Turn power on only after attaching the front cover or closing door if enclosed in a cabinet.If power is turned on without the terminal cover attached or closing door if enclosed in a cabinet. Thiscan result in electric shock or other injury. Electrical construction work must be done by a qualified expert.Connection of input power by someone who does not have that expert knowledge may result in fire orelectric shock. Connect output terminals (motor side) correctly.If the phase sequence is incorrect, the motor will operate in reverse and that may result in injury. Wiring must be done after installation.If wiring is done prior to installation that may result in injury or electric shock. The following steps must be performed before wiring.(1) Shut off all input power.(2) Wait at least 15 minutes and check to make sure that the charge lamp is no longer lit.(3) Use a tester that can measure DC voltage (400VDC or more), and check to make sure that thevoltage to the DC main circuits (across PA-PC) is 45V or less.If these steps are not properly performed, the wiring will cause electric shock. Tighten the screws on the terminal board to specified torque.If the screws are not tightened to the specified torque, it may lead to fire. The maximum wiring distance between the inverter and the motor is 50m |
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