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Rockwell Automation 20B PowerFlex 700 Drive - Frame 7 Components Replacement User Manual

Page 47

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Rockwell Automation Publication 20B-IN017B-EN-P - September 2011

47

Component Replacement Procedures Chapter 3

12. Remove the left Gate Interface Board located over the Heatsink

Thermal Sensor. You do not need to disconnect the connector.

13. Connect the jumper wire to gate connections on the IGBT module.

14. Carefully cut the wire ties securing the Heatsink Thermal Sensor. Do

Not cut the harness.

15. Access the sensor connector to the Monitor Wire, located approximately

under the W Phase Current Transducer Bus Bar at the right side of the
unit. Disconnect the sensor connector.

16. Using a 5/16” offset open-end wrench, remove the sensor.

Install Components

1. Install the new Heatsink Thermal Sensor.

2. Torque sensor to 1.6 N•m (14 lb•in)

3. Connect the other end of the sensor wire to the Monitor Wire.

4. Replace all wire ties to secure the wiring harness.

5. Remove the jumper wire to gate connections on the IGBT module and

immediately reinstall the left Gate Interface Board onto the IGBT
module.

6. Reassemble remaining components in reverse order.

7. Replace all safety shields and enclosure covers before applying power to

the drive.

IGBT Torque Seque

First Sequence: 0.7 N-m
Final Sequence: 3.6 N-m

Jumper

here