Trane TR150 - Igbt; Thyristor

8.4.13 IGBT
1. Remove 4 screws (T20) from each of the 3 IGBTs.
CAUTION
The UGBTs 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 8.36 IGBT
8.4.14 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 8.37 Thyristor
I-Frame Size Disassembly an... TR150 and TR170 Service Manual
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