Installation Instructions
Original Instructions
PowerFlex 755 Z-Bars Motor Connection Kit—Frame 8 Drives with Power Option Bay
Catalog 20-750-ZBARS-F8
Cat. No.
Compatible Drives
Kit Contents
IMPORTANT
1
20-750-ZBARS-F8
PowerFlex® 755 AC Drives (Frame 8) with
only Power Disconnect Options -P3 or -P5
Cat. No.s:
21G-1AnnnnnnnnNNNNN-nD-P3
21G-1AnnnnnnnnNNNNN-nD-P5
Six M10 nuts
One support angle
Six M5 screws
12 M10 carriage bolt assemblies
Three busbars
x6
x 12
x6
A service cart is required to remove the drive from the cabinet. Two carts are available.
• The PowerFlex 750-Series Roll-Out Cart, catalog number 20-750-CART1-F8 (depicted in this instruction).
See publication 750-IN014 for instructions.
• The PowerFlex 750-Series Service Cart, catalog number 20-750-MCART1 fitted with a Frames 8…10 Service Cart Conversion Kit.
See publications 750-IN105 and 750-IN017 for instructions.
L1 L2 L3
3
I
O
CG
WARNING
2
TIP OVER HAZARD
DC+ DC–
High Center of Gravity.
Do Not Push or Pull
above this point.
Failure to comply can
result in death
or serious injury.
0V
0V
A
B
A
A
B
B
B
A
B
B
PowerFlex 755 Z-Bars Motor Connection Kit—Frame 8 Drives with Power Option Bay Installation Instructions
the lower inner panel that covers
4 Remove
the busbar support fixtures. Discard the
panel and screws.
T30
5 Install the support angle.
M5 x 12
T30
4.5 NȢm (40 lbȢin)
2
Rockwell Automation Publication 750-IN036A-EN-P - October 2020
PowerFlex 755 Z-Bars Motor Connection Kit—Frame 8 Drives with Power Option Bay Installation Instructions
the nuts that secure the L-brackets
6 Loosen
to the busbars in the drive cabinet.
Slide the L-brackets to the left side of the
busbars and retorque the nuts.
M10
ǢǧUȢĉȧǢǢǥăÅȢðĊȨ
the drive cabinet, slide the M10
7 Inside
carriage bolt assemblies into the busbar
channels.
IMPORTANT
Verify that the clamp fits squarely in the
busbar channel.
Rockwell Automation Publication 750-IN036A-EN-P - October 2020
3
PowerFlex 755 Z-Bars Motor Connection Kit—Frame 8 Drives with Power Option Bay Installation Instructions
8 Insert the individual busbars as shown.
Install the support angle nuts by only a few threads.
Leave them loose.
Tighten these nuts to the finished torque in step 11.
The busbars can be arranged in any order to
accommodate the needs of your specific
installation.
4
Rockwell Automation Publication 750-IN036A-EN-P - October 2020
PowerFlex 755 Z-Bars Motor Connection Kit—Frame 8 Drives with Power Option Bay Installation Instructions
the busbar forward to create
9 Draw
space to slide the M10 carriage bolt
assemblies so they align with the
busbar mounting holes.
and tighten all M10 nuts on the
10 Install
drive cabinet busbar to the finished
torque.
M10
ǢǧUȢĉȧǢǢǥăÅȢðĊ
Rockwell Automation Publication 750-IN036A-EN-P - October 2020
5
PowerFlex 755 Z-Bars Motor Connection Kit—Frame 8 Drives with Power Option Bay Installation Instructions
the nuts on to the support angle to the
11 Tighten
finished torque.
M8
ǠǠȘǢUȢĉȧǠǟǟăÅȢðĊȨ
12 Make the motor connections on the busbars.
For additional cable connection guidelines, refer
to the PowerFlex 750-Series AC Drives Installation
Instructions, publication 750-IN001.
6
Rockwell Automation Publication 750-IN036A-EN-P - October 2020
PowerFlex 755 Z-Bars Motor Connection Kit—Frame 8 Drives with Power Option Bay Installation Instructions
Notes:
Rockwell Automation Publication 750-IN036A-EN-P - October 2020
7
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Publication 750-IN036A-EN-P - October 2020
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