Rockwell Automation 22-COMM User Manual

Transition Tube Kit #C19-6 and #C19-7

For PowerFlex 755 with OEM Liquid Cooling Frame 6 and 7 AC Drives

Installation Instructions

Transition Tube

(19.3 in.) Long

L1 L2 L3

1

Frame 6: 21P-MISC-A-TP-2

Outlet

489 mm

I

Transition Tube

Inlet

396 mm

(15.6 in.) Long

O

2

Frame 7: 21P-MISC-A-TP

Outlet

Transition Tube

422 mm

(16.6 in.) Long

Frames 6 and 7 (Frame 6 Shown)

Transition Tube

(12.7 in.) Long

Inlet

322 mm

3

DC+ DC–

0V

0V

Frames 6 and 7

4

Verify that an o-ring is inserted and properly
seated in the drive inlet and outlet male
o-ring face seal fittings as shown at right.

Drive Inlet and Outlet

Fitting with Face Seal

O-Ring

2 PowerFlex 755 with OEM Liquid Cooling AC Drive Transition Tube Kit - Frames 6 and 7

Frames 6 and 7

5

Install o-rings on the inlet and
outlet transition tube male fittings.
Verify that the o-rings are fully
seated in the fitting grooves.

O-ring

(Frame 7 transition tubes shown)

Frames 6 and 7

7

Installation completed as
shown at right.

Frames 6 and 7

6

For each tube connection:

A. Place the transition tube

assembly against the
fitting body so that the flat
face of the brazed sleeve
is in full contact with the
o-ring.

B. Thread the nut by hand

onto the fitting body.

C. Using a backup wrench,

tighten to a torque of 81
N•m (60 lb•ft).

Fitting with Face Seal

O-Ring

Backup Wrench

Swivel Nut

Inlet

Transition

Tu be

Outlet

Transition

Tu be

Inlet
Transition
Tu be

Outlet

Transition

Tu be

(Frame 7 drive shown)

*PN-121666*

PN-121666

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Publication 20GY-IN003B-EN-P – August 2011

Supersedes 20GY-IN003A-EN-P – June 2011 Copyright © 2011 Rockwell Automation, Inc. All rights reserved. Printed in USA.

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