Danfoss TTS400 User Manual

NOTE
Donotcompletelyremovethefoaminsulation,onlypullbackwhatisneededtoaccessthetwo(2)fasteners.

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.

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.

Figure 4-171 SCR Cooling Manifold Removal

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.

M-SV-001-EN Rev. H-1/23/2023 Page 159 of 294

Danfoss TTS400 Specifications

General

Brand	Danfoss
Model	TTS400
Category	Air Compressor
Language	English