Danfoss TTS400 User Manual

Table 4-18 Expected AC Voltage Range
AC Input
Nameplate Voltage Acceptable Voltage Range
575VAC 518to632VAC
460VAC 414to506VAC
400VAC 360to440VAC
380VAC 342to418VAC
4.11.2 3-Phase Main Voltage Input Terminal Block Removal and Installation

4.11.2.1 General 3-Phase Main Voltage Input Terminal Block Removal
1. IsolatecompressorpowerasdescribedinSection1.8ElectricalIsolationonpage22.
2. DisconnectthemainsinputcablesfromtheTerminalBlock.
3. ForTT300/TG230compressors,continuetoSection4.11.2.2Specific3-PhaseMainVoltageInput
TerminalBlockRemoval-TTS300/TGS230;forallothers,continuetoSection4.11.2.33-PhaseMain
VoltageInputTerminalBlockRemoval-TTS/TGS/TTH/TGH(ExceptTTS300/TGS230)onpage103.
4.11.2.2 Specific 3-Phase Main Voltage Input Terminal Block Removal - TTS300/TGS230
1. Removethethree(3)M6x16fastenersthatconnecttheFastActingFusesandSoftStartACRing
terminalsL1,L2,L3,totheSCRs.RefertoFigure4-81TerminalBlockRemoval-TTS300/TGS230forthis
andthefollowingfour(4)steps.
2. Removethesix(6)FusetoTerminalBlockfastenersthatsecurethefusestotheTerminalBlockAdapter.
3. Removethefuses.
4. RemovetheinsulatingMylar.
5. RemovetheTerminalBlockfastenersthatsecuretheTerminalBlocktothecompressorhousingand
removetheTerminalBlock.
Figure 4-81 Terminal Block Removal - TTS300/TGS230
Page 102 of 294 - M-SV-001-EN Rev. H 1/23/2023

Danfoss TTS400 Specifications

General

Brand	Danfoss
Model	TTS400
Category	Air Compressor
Language	English