Service manual

8.3.15 Thyristor

1. Remove 2 screws (T20) from each of the 3

thyristors.

CAUTION

The thyristors and the heatsink have thermal paste on

them. Wear protective gloves as the paste is poisonous.

2. Remove the thyristors.

Reinstall in the reverse order.

130BC074.11

Illustration 8.23 Thyristor

1 Thyristor

Table 8.23

8.4

I8 Frame Size Disassembly and

Assembly Procedure

8.4.1 Control Card and Control Card

Mounting Plate

1. Remove 2 screws (T20) from the 2 cover plates.

2. Remove the LCP cradle.

3. Remove 3 screws (T10) from the control card.

4. Remove the control card.

5. Remove 2 screws (T20) from the bracket next to

the control card mounting plate.

6. Remove 4 screws (T20) to remove the control

card mounting plate.

7. Unplug the LCP ribbon cable.

8. Remove the control card mounting plate.

Reinstall in the reverse order.

I-Frame Size Disassembly an...

VLT

HVAC Basic Drive Service Manual

88 MG90X202 - VLT

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