Danfoss Turbocor TT Series

Figure 4-216 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Section4.21.3DCCapacitorBusBarAssembly
RemovalandInstallationonpage168.
15. InstalltheSoftStart.RefertoSection4.14SoftStartonpage113.
16. Connectallremainingcableharnesses.
17. Installthetopcovers.RefertoSection4.1CompressorCoversonpage52.
18. Returnthecompressortonormaloperation.
4.22.8 Inverter Torque Specifications

Table 4-36 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
ACBusBartoSCRfastener,M8x20(Excludes
TTS300/TGS230compressors)
9 - 80
FusetoTerminalBlockfastener(TTS300/TGS230only) 4 - 35
TerminalBlockMountingfastener,M5x45(Excludes
TTS300/TGS230compressors)
4 - 35
Page 192 of 294 - M-SV-001-EN Rev. H 1/23/2023