vi ACS 300 User’s Manual
Safety Instructions
Notes
Readers are notified of the need for special attention or
additional information available on the subject with the fol-
lowing symbols:
General Safety
Instructions
These safety instructions are intended for all work on the
ACS 300.
WARNING! All electrical installation and maintenance work
on the ACS 300 should be carried out by qualified
electricians.
The ACS 300 and adjoining equipment must
always
be
properly grounded. The motor and all accessories must be
grounded through ACS 300.
All the ACS 300 units include capacitors connected between
the main circuit and the frame. These capacitors increase
the ground leakage current through the ground connection
to the power line and may cause some ground fault circuit
breakers to trip.
WARNING! All electrical installation and maintenance work
on the ACS 300 should be carried out by qualified
electricians.
Do not attempt any work on a powered ACS 300. After
switching off the power, always allow the DC bus capacitors
5 minutes to discharge before working on the AC drive, the
motor or the motor wiring. It is good practice to check (with a
voltage indicating instrument) that the AC drive is in fact
unpowered before beginning work.
CAUTION! Caution emphasizes a matter in order to
draw special attention to it.
Note!
Note gives additional information or points
out more information available on the subject.
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