Danfoss Turbocor TTS Series

134 of 282 M-SV-001-EN Rev. G
Figure 4-142 SCR Styles
4.19.1 SCR Connections
Refer to "Figure 4-143 SCR Connections - TTS300/TGS230" and "Figure 4-144 SCR Connections - TTS/
TGS/TTH/TGH Rev. F and Earlier (Except TTS300/TGS230)" on page 135 to locate the following
connections to the SCRs:
• AC input to SCR
• SCR Gate cables to Soft Start
• SCR to DC bus
Figure 4-143 SCR Connections - TTS300/TGS230
TTS300/TGS230 (all revisions)
TTS/TGS/TGH Series (Rev H)
(Two Hole Mount)
All TTS/TGS/TTH/TGH Series
compressors except TTS300/
TGS230 (Rev F and earlier)
(Four Hole Mount)
SCR to DC Bus
(+ and -)
SCR Gate Cables to Soft Start
(3 places)
AC Input to SCR
(3 places)