Frame 10 Installation 6-9
Ungrounded and
Unbalanced Installations
Frame 10 drives are equipped with common mode capacitors that are
referenced to ground. To guard against drive damage, these capacitors
should be disconnected if the drive is installed on an ungrounded
distribution system. To disconnect the capacitors, move the jumper shown
below. Refer to publication PFLEX-RM001, PowerFlex Reference Manual,
for information on ungrounded system installation.
The jumper is located on the Rectifying Module, which is on the upper-right
side of the drive’s power structure. Refer to Moving Control Frame
on
page 6-4 and Removing Protective Covers on page 6-6 to gain access to the
right side of the power structure.
Figure 6.2 Moving Common Mode Capacitor Jumper
Task Description
Loosen upper screw
Remove lower screw
Move jumper to horizontal position
Install and tighten screws
A
B
C
D
Rectifying Circuit Board
A
B
C
D
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