4.11 3-Phase Main Voltage Input Terminal Block
The Terminal Block is the location where the compressor receives 3-Phase AC voltage, even when not running. All
compressors must be fitted with class T fast-acting fuses to protect the solid-state Inverter. The compressor does
NOT directly measure 3-phase power values. All 3-phase power information displayed in the SMT is calculated from
DC bus voltage and motor power as measured by the Inverter. The input voltage varies between 380-575VAC at a
frequency of 50/60Hz.
There are three (3) different configurations of the Terminal Blocks:
l
For TTS300/TGS230 compressors, Refer to Figure 4-76 Input Terminal Block - TTS300/TGS230
l
For all compressors that are Revision F and earlier, Except TTS300/TGS230, refer to Figure 4-78
Input Terminal Block - TTS/TGS/TTH/TGH Rev. F and Earlier (Except TTS300/TGS230) on page 100
l
For all compressors that are Revision H, Except TTS300/TGS230, refer to Figure 4-77 Input Terminal
Block - TTS/TGS/TTH/TGH Rev. H (Except TTS300/TGS230) on page 100
Figure 4-76 Input Terminal Block - TTS300/TGS230
M-SV-001-EN Rev. H-1/23/2023 Page 99 of 294
Summary of Contents for Turbocor TT Series
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