Panasonic VF0 Series Instruction Manual

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Panasonic VF0 Series Instruction Manual Manual pdf 18 page image

17CAUTIONAlways confirm that the input power is OFF before starting wiring.Failure to do so could lead to electric shock or fire.Always connect the ground wire.Failure to do so could lead to electric shock or fire.Wiring work must be carried out by a qualified technician.Failure to do so could lead to electric shock or fire.Always install the unit before wiring.Failure to do so could lead to electric shock or injury.ATTENTIONDo not connect an AC power supply to the output terminals (U, V, W).Failure to do so could lead to injury or fire.Confirm that the product's rated voltage and the AC power supply voltagematch.Failure to do so could lead to injury or fire.Tighten the terminal screws to the designated tightening torque.Failure to do so could lead to fire.PrecautionsNote the following points carefully to prevent miswiring and misuse of theinverter. (Devices may be broken.)1) Connect the power supply to input terminals (R/L1, S/L2, T/L3) and themotor to output terminals (U, V, W).2) Make sure to ground the supply neutral.3) Do not connect anything other than the optional brake resister acrossterminals DB+ and DB-. Never short these terminals to each other as thiswill damage the internal electronics of the inverter.4) Use sleeved round crimp terminals for power supply and motor connections.5) After wiring the main circuit, double check for tightness as access will belimited once control circuit wiring is in place.6) When connecting directly to a large capacity power transformer (500kVAor more), always install a power factor improvement reactor (option) on theinverter's input side.7) Select connected devices and wire size according to the table on page 19.Main Circuit WiringDownloaded from www.Manualslib.com manuals search engine