190 of 282 M-SV-001-EN Rev. G
Figure 4-243 Initial Tightening Pass Sequence
11. Using an appropriately-rated torque wrench, tighten the fasteners from center outward (same
sequence as previous step) to 1.5 Nm (13.2 in. lb.).
NOTE
It is recommended to verify Inverter functionality using an inverter tester prior to reassembly of the top-side electronics.
12. Install the Copper Tubes that connect the motor bus bars to the Inverter.
13. Connect the ribbon cable to the Inverter.
14. Install the DC Capacitor and Bus Assembly. Refer to "4.22.3 DC Capacitor Bus Bar Assembly
Removal and Installation" on page 158.
15. Install the Terminal Block Assembly. Refer to "4.12.2 3-Phase Main Voltage Input Terminal Block
Removal and Installation" on page 98.
16. Install the Soft Start. Refer to "4.15 Soft Start" on page 107.
17. Connect all remaining cable harnesses.
18. Install the Capacitor Cover. Refer to "4.2.4.1 Capacitor Cover Removal and Installation" on page
59.
19. Install the top covers. Refer to "4.2 Compressor Covers" on page 56.
20. Return the compressor to normal operation.
4.23.8 Inverter Torque Specifications
Table 4-37 Inverter Torque Specifications
Description Nm Ft.Lb. In.Lb
Soft Start DC+ & DC- to DC Bus Bolt/nut (TTS300/TGS230 only) 10 7 89
DC Capacitor Bus Bar to SCR Bus Bar Bolt (TTS300/TGS230 only) 10 7 89
DC Bus Bars to SCR fastener, M6x16 (TTS300/TGS230 only) 5 - 44
AC Bus Bar to SCR fastener, M6x16 (TTS300/TGS230 only) 5 - 44
Fuse to Terminal Block fastener (TTS300/TGS230 only) 4 - 35
Terminal Block fastener, M5x15 (TTS300/TGS230 only) 3 - 27
DC Bus Bars to SCR fastener, M6x16 (TTS300/TGS230 only) 5 - 44
5
4
1
2
5
6
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