6
ACQ550-U1 User’s Manual
Safety
WARNING!
Disconnect the internal EMC filter when installing the drive on an IT
system (an ungrounded power system or a high-resistance-grounded [over 30 ohm]
power system), otherwise the system will be connected to ground potential through
the EMC filter capacitors. This may cause danger, or damage the drive.
Disconnect the internal EMC filter when installing the drive on a corner grounded TN
system, otherwise the drive will be damaged.
Note:
When the internal EMC filter is disconnected, the drive is not EMC compatible.
See section
Disconnecting the internal EMC filter
. Also see sections
on page
and
WARNING!
Do not attempt to install or remove EM1, EM3, F1 or F2 screws while
power is applied to the drive’s input terminals.
WARNING!
Do not control the motor with the disconnecting device (disconnecting
means); instead, use the control panel start and stop keys
and
, or
commands via the I/O board of the drive. The maximum allowed number of charging
cycles of the DC capacitors (i.e. power-ups by applying power) is five in ten minutes.
WARNING!
The ACQ550-U1 is not field repairable. Never attempt to repair a
malfunctioning drive; contact the factory or your local Authorized Service Center for
replacement.
WARNING!
The ACQ550 will start up automatically after an input voltage
interruption if the external run command is on.
WARNING!
The heat sink may reach a high temperature. See chapter
Note:
For more technical information, contact the factory or your local ABB
representative.
Summary of Contents for ACQ550-U1-011A-6
Page 1: ...ACQ550 User s Manual ACQ550 U1 Drives 1 200 hp ...
Page 4: ......
Page 10: ...10 ACS550 U1 User s Manual Table of contents ...
Page 42: ...42 ACQ550 U1 User s Manual Start up control with I O and ID Run ...
Page 56: ...56 ACQ550 U1 User s Manual Control panel ...
Page 68: ...68 ACQ550 U1 User s Manual Application macros ...
Page 250: ...250 ACQ550 U1 User s Manual Fieldbus adapter ...
Page 266: ...266 ACQ550 U1 User s Manual Maintenance ...
Page 314: ...314 ACQ550 U1 User s Manual Index ...