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Perfect Harmony GENIII/e User's Manual
Figure 2-5: Field Connections and Major Components in the GENIII/e Transformer Section (left)
2.1.2
Customer I/O Section
The customer I/O section of the GEN III-style Perfect Harmony drive contains terminal blocks for customer control
wiring connections, control power connections, and the blower control panel. Optional motor monitors and power
quality meters (PQMs) are mounted in this section if they are ordered with the drive. Refer to Figure 2-5.
Note: Refer to the "as built" system drawings that are shipped with the drive for information on
specific customer I/O connections.
Note: The rear bus connections need to be made prior to startup. It is recommended, but not
necessary, to have a minimum of two feet between the rear of the VFD and any wall or structure.
This is to allow easier connection of the rear bus between the transformer and the cell cabinets.
The VFD can be moved against the wall once the connections are made and the rear panel
reinstalled. If space behind the VFD cannot be provided, the connections are made by removing
the hall affect CT's and the panels between the fuse group. These are located behind the control
box.
A1A19000405A: Version 1.3
and Cell Section (right)
s s s s
Hardware Components
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