Relay Transducer Card; Rectifier Modules; Igbt - Trane TR150 Service Manual

H-Frame Size Disassembly a...

7.4.5 Relay Transducer Card

1. Unplug cables on the relay transducer card.
2. Loosen the right cable connector using a hex 5
key.
3. Open the plastic clamp to remove the cables
from the connector.
4. Remove the 2 screws (T20) from the holding
bracket.
5. Remove the holding bracket.
6. Remove the 3 cable screws (T20).
7. Remove the 3 screws on relay card (T20).
8. Remove the relay card by pushing in the
retaining clips on the standoffs. Use a screwdriver
if necessary.
9. Remove the mounting plate.
Reinstall in the reverse order.
1 Relay transducer card
2 Relay card mounting plate
Illustration 7.11 Relay or Transducer Card
BAS-SVM04B-EN
TR150 and TR170 Service Manual

7.4.6 Rectifier Modules

1.
2.
3.
4.
5.

7.4.7 IGBT

1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
CAUTION
The IGBTs and the heat sink have thermal paste on them.
Be careful not to touch the paste directly as it is
poisonous.
11.
12.
Reinstall in the reverse order. Join the mounting snaps.
02/2017 All rights reserved.
Loosen and remove the 2 cables (T20).
Remove the 6 screws (T20) from the shield.
Remove metal shield and plastic cover.
Remove the 2 screws (T20) from each of the
rectifier modules.
Remove the 3 rectifier modules.
Remove the 4 screws (T20) from the cable
connector plate.
Remove the cable connector plate.
Loosen the coil cables (T20).
Unplug the cables.
Remove the 2 screws from each of the 2
capacitors
Remove the capacitors.
Remove the 4 screws (T20) from the bus bar.
Remove the cables from the IGBTs.
Remove the 2 screws (T20) from each IGBT.
Remove the IGBTs.
Remove the thermal paste from the IGBT.
Clean the heat sink.
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