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Rockwell Automation 20Y PowerFlex 700H, 700S, and 700AFE Drive Fan Systems, Frames 9...14 User Manual

Page 101

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Rockwell Automation Publication PFLEX-IN029B-EN-P - August 2014

101

PowerFlex 700H and 700S Drives - Frame 11 Procedures

Chapter 3

9.

Install the AC fan inverter assembly in the reverse order of removal.

Main DC Fan Power Supply Circuit Board (SK-H1-DCFANBD1) Removal
and Installation

Note: PowerFlex 700H and 700S frame 11 drives have three fan power supplies.
You can retrofit an existing AC fan system or replace a DC fan system with a new
DC fan system. See Energy-related Products Fan Efficiency Directive on page

12

for guidelines on replacing an existing fan system with a new DC fan system.

Note: Retain the fan power supply sheet metal bracket for reuse.

Follow these steps to remove and replace an existing fan system with a DC fan
system.

1.

Review the General Precautions on page

17

.

2.

Remove power from the drive. See Remove Power from the Drive on page

91

.

3.

Move the control frame and remove the air flow plate and protective
covers from the drive. See Move the Control Frame and Remove the Air
Flow Plate and Protective Covers on
page

92

.

IMPORTANT

Verify that dip switch S1 on the new AC fan inverter board is properly
configured, as shown below.

IMPORTANT

If you are replacing a right-side AC fan inverter circuit board, install the jumper
on connector X3.

S1-1

S1-2

S1-3

S1-4

Off

Off

On

Off

Install Jumper on X3 for Right-
side AC Fan Inverter Board

Switch

Setting

To indicate the following:

S1

Off

50 Hz fan motor frequency

S2

Off

220 V ac motor voltage

S3

On

230 V ac motor voltage

S4

Off

Frame size 9 - 13

AC Fan System Shown