closes the charging switch. After the precharging completes, a green light [H1] on the
cabinet door illuminates. The DC switch-disconnector can now be closed, and the
charging switch opened.
Note: The charging switch must be opened before the inverter unit can be started.
Type designation labels
￭
Inverter unit type designation label
Each inverter unit has a type designation label attached onto the inside of the cubicle
door. Note that multiple small inverter units can be installed within one cubicle, and
that an inverter unit can consist of several cubicles and inverter modules.
Quote the complete type designation and serial number when contacting technical
support on the subject of an inverter unit.
An example label is shown below.
Type designation1
Frame size2
Cooling data, degree of protection, UL/CSA specifications3
Ratings4
Valid markings5
Serial number. The first digit of the serial number refers to the manufacturing plant. The next
four digits refer to the unit’s manufacturing year and week, respectively. The remaining digits
complete the serial number so that there are no two units with the same number.
6
￭
Inverter module type designation label
Each module has a type designation label attached to it. The label contains information
on the specifications and configuration of the module. The first digits express the
basic construction, for example “ACS880-104-0100A-3”. Any optional selections are
given thereafter, separated by plus signs. There is an additional label for frame R8i
multiples.
Operation principle and hardware description 35
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