VM1000 Series
‐6‐
Wiring
Warning
◎Before connecting, make sure the voltage rating and phase number of VFD is conformed
to the input power voltage, phase number; Otherwise it may cause a fire or physical injuries.
◎Never connect the AC input power supply to the output terminals V, U, W of VFD;
Otherwise it will cause damage to the VFD and you are not guaranteed to enjoy the warranty
services.
◎Never conduct a pressure test on VFD；Otherwise it will cause damage to the VFD.
◎The main circuit wiring of the VFD and the control loop wiring should be separated or
vertical crossed, otherwise the control signal will be interfered.
◎The cable connected to the main circuit terminals should be use lugs with isolated casing.
◎If the length of cable between the VFD and the motor is over 50 meters, an output reactor
is recommended so as to protect the VFD and motor.
Operation
Danger
◎Turn on the input AC power after the wiring of VFD is completed and the front cover is
installed. Do not dismantle the front cover when operating; otherwise it will lead to an
electric shock.
◎When VFD is set with the function of fault automatic reset or auto-restart after power
failure, protection measures for equipment system should be taken in advance. Otherwise it
will cause physical injuries.
◎The key “RUN/STOP” may be lose efficacy because some function had been set, a
separate emergency power switch can be installed in the VFD control system; Otherwise it
may cause damage or physical injuries.
◎Though the VFD terminal is in stop state, the terminal is electrified after power on. Do not
touch; otherwise there will be a risk of electric shock.
Warning
◎Do not use the breaker to control the stop/start of AC drive, or it may damage to the AC
drive.
◎Because the acceleration time is short when AC drive makes motor operates from low to
high speed, make sure the motor and mechanical equipment is within the permitted range
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