98 of 282 M-SV-001-EN Rev. G
Table 4-19 Expected AC Voltage Range
4.12.2 3-Phase Main Voltage Input Terminal Block Removal and Installation
4.12.2.1 General 3-Phase Main Voltage Input Terminal Block Removal
1. Isolate compressor power as described in Section "1.8 Electrical Isolation" on page 19.
2. Disconnect the mains input cables from the Terminal Block.
3. For TT300/TG230 compressors, continue to Section "4.12.2.2 Specific 3-Phase Main Voltage
Input Terminal Block Removal - TTS300/TGS230"; for all others, continue to Section "4.12.2.3
3-Phase Main Voltage Input Terminal Block Removal - TTS/TGS/TTH/TGH Rev. F and Earlier
(Except TTS300/TGS230)" on page 99.
4.12.2.2 Specific 3-Phase Main Voltage Input Terminal Block Removal - TTS300/TGS230
1. Remove the three (3) M6x16 fasteners that connect the Fast Acting Fuses to the SCRs. Refer to
"Figure 4-84 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 4-84 Terminal Block Removal - TTS300/TGS230
6. Continue to Section "4.12.2.4 3-Phase Main Voltage Input Terminal Block Installation - TTS300/
TGS230" on page 100.
AC Input
Nameplate Voltage
Acceptable Voltage
Range
575VAC 518 to 632VAC
460VAC 414 to 506VAC
400VAC 360 to 440VAC
380VAC 342 to 418VAC
Terminal Block
Fastener, M5x15,
(3 places)
Fuse to Terminal
Block Fastener
(6 places)
AC Bus Bar to SCR
Fastener, M6x16,
(3 places)
Mylar
Terminal Block
Fuse Assembly
(3 places)
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