![background image](http://html1.mh-extra.com/html/danfoss/turbocor-tt-series/turbocor-tt-series_service-manual_4104524156.webp)
Figure 4-167 SCR Torque Sequence - TTS/TGS/TTH/TGH Rev. F and Earlier (Except TTS300/TGS230)
5. Install the DC Capacitor Bus Bar Assembly. Refer to Section 4.21.3 DC Capacitor Bus Bar Assembly
Removal and Installation on page 168.
6. Install the AC mains input terminals and bus bars. Refer to Section 4.12.2 Input Mains Bus Bar
7. Install the mains input cables to the Terminal Block and torque to 21 Nm (15 ft.lb.).
8. Install the Soft Start. Refer to Section 4.14.3 Soft Start Removal and Installation on page 117.
9. Continue to Section 4.18.3.6 SCR General Installation.
4.18.3.6 SCR General Installation
1. Apply dielectric grease at the top of SCR fasteners to prevent moisture and corrosion.
2. Connect the two (2) SCR Gate connectors to each SCR.
3. Install the top covers. Refer to Section 4.1 Compressor Covers on page 52.
4. Return the compressor to normal operation.
4.18.3.7 SCR Torque Specifications
Table 4-31 SCR 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
SCR to SCR Cooling Manifold fastener, M6x16 (Rev H excluding TTS300/TGS230)
5
-
44
TTS300/TGS230 Fuse to Terminal Block fastener
4
-
35
Terminal Block Mounting fastener, M5x45 (excludes TTS300/TGS230 compressors)
4
-
35
AC Bus Bar to SCR fastener, M8x20 (excludes TTS300/TGS230 compressors)
9
-
80
Capacitor DC 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
Page 156 of 294 - M-SV-001-EN Rev. H 1/23/2023
Содержание Turbocor TT Series
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