Danfoss Turbocor TT Series, Service Manual, Page: 162 / 294

Figure 4-175 SCR Cooling Manifold Installation - TTS/TGS/TTH/TGH (Except TTS300/TGS230)
7. Leak test and evacuate the compressor in accordance with standard industry practices.
8. Connect the compressor cable harness to the IGV Motor feedthrough, suction and discharge sensors,
and SCR Temperature sensor (if applicable).
9. If the SCRs were removed previously, install the SCRs to the SCR cooling manifold. Torque the SCR
fasteners to 5 Nm (44 in.lb.).
10. Install the DC Bus Bar and Capacitor assembly over the Inverter. Refer to Section 4.21.3 DC Capacitor
Bus Bar Assembly Removal and Installation on page 168.
11. Install the Terminal Block Assembly. Refer to Section 4.11.2.5 3-Phase Main Input Terminal Block
Installation - TTH/TGH/TTH/TGH (Except TTS300/TGS230) on page 105.
12. Install the mains input cables to the Terminal Block and torque to 21 Nm (15 ft.lb.).
4.19.6 SCR Cooling Manifold General Installation Steps
1. Install the Soft Start. Refer to Section 4.14.3 Soft Start Removal and Installation on page 117.
2. Install the top covers. Refer to Section 4.1 Compressor Covers on page 52.
3. Return the compressor to normal operation.
4.19.7 SCR Cooling Manifold Torque Specifications
Table 4-32 Table 4-33 SCR Cooling Manifold Torque Specifications.
Description Nm Ft.Lb. In.Lb.
TTS300/TGS230 AC Bus Bar to SCR fastener, M6x16 5 - 44
TTS300/TGS230 DC Bus Bars to SCR fastener, M6x16 5 - 44
DC Capacitor Bus Bar to SCR Bus Bar Bolt, M6 10 7 89
SCR to SCR Cooling Manifold fastener, M6x16 5 - 44
TTS300/TGS230 SCR Cooling Manifold Fastener, M6x20 7 - 62
TTS300/TGS230 Fuse to Terminal Block fastener 4 - 35
Soft Start Mounting Fastener, M5x15 or M5x20 5 - 44
Ground Post Top Nut, 5/16" - 18 UNC 7 - 62
Ground Post Second (Jam) Nut, 5/16" - 18 UNC 7 - 62
Page 162 of 294 - M-SV-001-EN Rev. H 1/23/2023