02
1.2 Operation Precautios
◇ It must be connected, installed and operated by a professional.
◇ Wiring shall not be connected when the power supply is turned on, otherwise it
may cause electrical shock or injury to personnel.
◇ Terminal voltage and polarity must be applied to prevent damage to equipment or
injury to personnel.
◇ Please do not pass the power line and signal line through the same pipe, and do
not tie them together.
◇ Frequency inverter must be matched with the asynchronous motor, and maintain
good heat-dissipation conditions.
◇ Do not touch the heat sink and brake resistor of the inverter while running,
otherwise you may burn.
◇ Please do not switch power supply frequently, it is best to control the interval of
more than 1 minute.
◇ The AC power supply is prohibited from being connected to the output
terminals U, V, W of the frequency inverter, otherwise the internal damage of
the frequency inverter can be caused.
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