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M-SV-001-EN Rev. G
4.12.2.7 Terminal Block Torque Specifications
Table 4-20 Terminal Block Torque Specifications
4.13 Input Mains Bus Bars (Except TTS300/TGS230)
This section applies to all compressors with the exception of TTS300 and TGS230 models.
Figure 4-91 Input Mains Bus Bar Examples
4.13.2.1 Input Mains Bus Bar Removal
1. Isolate the compressor power as described in Section "1.8 Electrical Isolation" on page 19.
2. Disconnect the mains input cables from the Terminal Block.
3. For Revision F and ealier compressors, refer to "Figure 4-92 AC/DC Bus Bus Bar Connectors
- TTS/TGS/TTH/TGS Rev. F and earlier (Except TTS300/TGH230)" on page 104 and do the
following:
a. Remove the connectors of the Soft Start AC/DC Harness from the bus bars and lift away
the Soft Start AC/DC Harness.
b. Remove the three (3) M8x20 fasteners that secure the AC Bus Bars to the SCRs.
Description Nm Ft.Lb. In.Lb.
TTS300/TGS230 AC Bus Bar to SCR fastener, M6x16 5 - 44
TTS300/TGS230 Terminal Block Mounting fastener, M5x15 3 - 27
TTS300/TGS230 Fuse Assembly to Terminal Block fastener 4 - 35
AC Bus Bar to Terminal Block fastener - Rev F and earlier (excludes TTS300/
TGS230 compressors)
3 - 27
AC Bus Bar to Terminal Block fastener - Rev H (excludes TTS300/TGS230
compressors)
2 - 17
Terminal Block to Compressor fastener, M5x45 (excludes TTS300/TGS230
compressors)
4 - 35
Terminal Block to SCR Cooling Manifold fastener, M6x16, Rev H (excludes
TTS300/TGS230 compressors)
5 - 44
AC Bus Bar to SCR fastener, M8x20 (excludes TTS300/TGS230 compressors) 9 - 80
Mains Input Pressure Screw, 11/16" - 16 UNC
(TTS300/TGS230 compressors only)
20 15 177
Mains Input Nut, 3/8" - 16 UNC (excludes TTS300/TGS230 compressors) 21 15 186
Upper Nut, 5/16" - 18 UNC 10 7 89
Jam Nut, 5/16" - 18 UNC 7 - 62
Lower Nut, 5/16" - 18 UNC 20 15 177
Cover fastener, M5x15 1.5 - 13
Straight Bus Bars
(Revision H Compressors)
Curved Bus Bars
(Revision F and earlier
Compressors)