In the applications with mains frequency and variable frequency
switching, the two contactors for controlling the mains frequency and
variable frequency switching shall be interlocked.
Maintenance & Inspection
Warning
In the power-on state, please do not touch the drive terminals;
otherwise, there exists the risk of electric shock.
If cover is to be removed, the power supply must be disconnected
first.
Wait for at least 10 minutes after power failure or confirm that the
CHARGE indicator is off before maintenance and inspection to
prevent the harm caused by the residual voltage of the main circuit
electrolytic capacitor to persons.
The components shall be maintained, inspected or replaced by
qualified electricians.
Caution
The circuit boards have large scale CMOS IC. Please do not touch
the board to avoid the circuit board damage caused by static
electricity.
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