Danfoss TTS350

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
Installationonpage109.
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
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