GE Industrial Solutions AF-600 FP High Power (460V_575V 150HP and above) User Manual

Page 132

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8.2.3 Power Card

1.

Remove the control assembly support bracket in accordance with procedure.

2.

Unplug power card connectors MK100, MK102, MK105, MK106, MK107 and MK109.

3.

If customer connections are present, unplug connectors FK102, FK103, and MK112.

4.

Remove the 7 mounting screws (T25 Torx) from the power card.

5.

Remove the power card from the plastic standoff at the top right of the power card.

6.

Remove the current scaling card from the power card by pushing in the retaining clips on the standoffs. KEEP THIS SCALING CARD FOR FUTURE REIN-
STALLATION OF ANY REPLACEMENT POWER CARD. The scaling card controls signals operating with this specific frequency converter. The scaling card
is not part of the replacement power card.

Reinstall in reverse order of this procedure. When installing the power card, ensure that the insulator sheet is installed behind the power card. Tighten the mounting
screws to 2.3 Nm (20 in-lbs).

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

130BX172.10

Illustration 8.1: Power Card, and Mounting Plate

380–480V: Yellow tape on the main SMPS transformer in the upper right cor-
ner.

525–690V: White tape on the main SMPS transformer in the upper right cor-
ner.

1

Power card PCA3

9

MK106

2

Mounting plate

10

MK100

3

MK110

11

MK109

4

MK102

12

FK102

5

MK104

13

MK112 terminals 4,5,6

6

MK105

14

MK112 terminals 1,2,3

7

MK107

15

Current scaling card PCA4

8

FK103

16

Current scaling card standoff

AF-650 GP and AF-600 FP High Power Service Manual

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