Trane TR150 - Igbt; Thyristor; I8 Frame Size Disassembly and Assembly Procedure; Control Card and Control Card Mounting Plate

8.3.14 IGBT
1. Remove 2 screws (T20) from each of the 3 IGBTs.
CAUTION
The IGBTs and the heat sink have thermal paste on them.
Wear protective gloves as the paste is poisonous.
2. Remove all IGBTs.
Reinstall in the reverse order.
1IGBT
Illustration 8.22 IGBT
8.3.15 Thyristor
1. Remove 2 screws (T20) from each of the 3
thyristors.
CAUTION
The thyristors and the heat sink have thermal paste on
them. Wear protective gloves as the paste is poisonous.
2. Remove the thyristors.
Reinstall in the reverse order.
1Thyristor
Illustration 8.23 Thyristor
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...
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