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

Page 67

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

67

PowerFlex 700H and 700S Drives - Frame 10 Procedures

Chapter 2

Main AC Fan Inverter Circuit Board (20-VB00299) and AC Fan Output
Transformer Assembly [20-FR10844 (Left) or 20-FR10845 (Right)]
Removal and Installation

PowerFlex 700H and 700S frame 10 drives have two fan inverters. You can
replace a fan inverter circuit board, or replace an output transformer assembly
(includes the output transformer and fan capacitor on the assembly). See
Isolating a Faulty Fan Inverter on page

265

for test procedures used to determine

if the circuit board requires replacement.

Follow these steps to remove and replace a fan inverter circuit board or output
transformer assembly.

1.

Review the General Precautions on page

17

.

2.

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

59

.

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

60

.

4.

Remove the appropriate main fan inverter assembly. See Remove the Main
AC or DC Fan Power Supply Assemblies
on page

63

.

5.

Disconnect the cables from connectors X4 and X5.

X4 (Blue)

X5 (Black)

Series B capacitor in a left-side AC fan

inverter assembly shown.

Series A capacitor in a left-side AC fan
inverter assembly shown

Right-side AC fan inverter assembly shown