Danfoss TTS400 User Manual

4.12 Input Mains Bus Bars
ThissectionappliestoallcompressorswiththeexceptionofTTS300andTGS230models.
Figure 4-88 Input Mains Bus Bar Examples
4.12.1 Input Mains Bus Bar Removal

4.12.1.1 General Mains Bus Bar Removal
1. Isolatethe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RevisionFandearliercompressors,refertoFigure4-89AC/DCBusBarConnectors-
TTS/TGS/TTH/TGSRev.Fandearlier(ExceptTTS300/TGH230)onpage109anddothefollowing:
a. RemovetheconnectorsoftheSoftStartAC/DCHarnessfromthebusbarsandliftawaytheSoft
StartAC/DCHarness.
b. Removethethree(3)M8x20fastenersthatsecuretheACBusBarstotheSCRs.
c. Removethesix(6)fastenersthatsecurethethree(3)ACBusBarstotheTerminalBlock.
d. RemovetheACBusBars.
4. ForRevisionHcompressors,refertoFigure4-90AC/DCBusBarConnectors-TTS/TGS/TTH/TGSRev.H
(ExceptTTS300/TGH230)onpage109:
a. Removethethree(3)M6x16fastenersthatsecuretheACBusBarstotheSCRs.
b. Removethethree(3)ringterminalsandliftawaytheSoftStartAC/DCHarness.
c. Removethesix(6)fastenersthatsecurethethree(3)ACBusBarstotheTerminalBlock.
d. RemovetheACBusBars.

Page 108 of 294 - M-SV-001-EN Rev. H 1/23/2023

Danfoss TTS400 Specifications

General

Brand	Danfoss
Model	TTS400
Category	Air Compressor
Language	English