Electrical installation 23
Installation checklist
Check the mechanical and electrical installation of the drive before start-up. Go
through the checklist below together with another person. Read chapter Safety on
page 5 before you work on the drive.
Check
MECHANICAL INSTALLATION
The ambient operating conditions are within allowed limits. (See Technical data: Losses,
cooling data and noise and Ambient conditions in ACS320 user’s manual
(3AUA0000062599 [English]).)
The drive is fixed properly on an even vertical non-flammable wall. (See Mechanical
installation on page 13 and Mechanical installation in ACS320 user’s manual
(3AUA0000062599 [English]).)
The cooling air flows freely. (See Mechanical installation: Install the drive on page 13.)
The motor and the driven equipment are ready for start. (See Planning the electrical
installation: Checking the compatibility of the motor and drive as well as Technical data:
Motor connection data in ACS320 user’s manual (3AUA0000062599 [English]).)
ELECTRICAL INSTALLATION (See Electrical installation on page 17 and Planning the
electrical installation in ACS320 user’s manual (3AUA0000062599 [English]).)
For ungrounded and corner-grounded systems: The internal EMC filter is disconnected
(EMC screw removed).
The capacitors are reformed if the drive has been stored over a year.
The drive is grounded properly.
The input power voltage matches the drive nominal input voltage.
The input power connections at U1, V1 and W1 are OK and tightened with the correct
torque.
Appropriate input power fuses and disconnector are installed.
The motor connections at U2, V2 and W2 are OK and tightened with the correct torque.
The motor cable, input power cable and control cables are routed separately.
The external control (I/O) connections are OK.
The input power voltage cannot be applied to the output of the drive (with a bypass
connection).
Terminal cover and, for NEMA 1, hood and connection box, are in place.
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