Danfoss TTS350

NOTE
Donotcompletelyremovethefoaminsulation,onlypullbackwhatisneededtoaccessthetwo(2)fasteners.
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4.19.3 SCR Cooling Manifold Specific Removal Steps - TTS/TGS/TTH/TGH (Except TTS300/TGS230)
1. RemovetheTerminalBlockAssembly.RefertoSection4.11.23-PhaseMainVoltageInputTerminal
BlockRemovalandInstallationonpage102.
2. RemovetheDCBusBarsandCapacitorAssembly.RefertoSection4.21.3DCCapacitorBusBar
AssemblyRemovalandInstallationonpage168.
3. IftheSCRCoolingManifoldistobereplaced,removetheSCRs.RefertoSection4.18.3.3SCRRemoval-
TTS/TGS/TTH/TGH(ExceptTTS300/TGS230)onpage150.
4. Removethefour(4)M6x35SCRCoolingManifoldfastenersthatsecuretheSCRCoolingManifoldtothe
InverterHeatSinkPlate.RefertoFigure4-171SCRCoolingManifoldRemovalforthisandthefollowing
step.
5. RemovetheSCRCoolingManifold.
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NOTE
RemovaloftheSCRCoolingManifoldwillrequirethemanifoldtorockedbackandforthtodisengageitfromtheSCRManifoldReturn
BrassFitting.Ifnecessary,useaflat-bladescrewdrivertogentlyprythemanifoldupward.Useextremecautiontonotdamageanyofthe
components.
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Figure 4-171 SCR Cooling Manifold Removal
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NOTE
Figure4-171SCRCoolingManifoldRemovalillustratesaTTS350compressor.TheremovalandinstallationprocessforTTH/TGH
compressorsisthesame,withtheexceptionoftheSCRTemperatureSensorasthatisnotusedontheTTH/TGHcompressors.
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M-SV-001-EN Rev. H-1/23/2023 Page 159 of 294