![background image](http://html1.mh-extra.com/html/danfoss/turbocor-tt-series/turbocor-tt-series_service-manual_4104524103.webp)
6. Continue to Section 4.11.2.4 3-Phase Main Voltage Input Terminal Block Installation - TTS300/TGS230
4.11.2.3 3-Phase Main Voltage Input Terminal Block Removal - TTS/TGS/TTH/TGH (Except TTS300/TGS230)
1. Disconnect the three (3) connectors of the Soft Start AC/DC harness from the bus bars.
2. Remove the three (3) fasteners that secure the AC Bus Bars to the SCRs. For Revision F and earlier
compressors, refer to Figure 4-82 Input Terminal Block Removal - TTS/TGS/TTH/TGH Rev. F and Earlier
(Except TTS300/TGS230) and for Revision H compressors, refer to Figure 4-83 Input Terminal Block
Removal - TTS/TGS/TTH/TGH Rev. H (Except TTS300/TGS230) on page 104 for this and the following
three (3) steps.
3. Remove the six (6) fasteners that secure the three (3) AC Bus Bars to the Terminal Block.
4. Remove the AC Bus Bars.
NOTE
If the terminal block is being removed to access other components, it is not necessary to remove the AC Bus Bars from the terminal block
on Rev F and earlier compressors - the terminal block and bus bars can be removed as an assembly. On Rev H compressors, the center AC
Bus Bar must be removed to access a mounting fastener for the terminal block but the two (2) outer bus bars can remain attached.
5. Remove the fasteners that secure the Terminal Block to the casting and remove the Terminal Block.
a. Rev F and earlier compressors use two (2) M5x45 fasteners that attach the Terminal Block to the
compressor housing.
b. Rev H compressors use three (3) fasteners; it uses the same two (2) as listed above and there is an
additional M6x16 fastener that is located at the back center of the Terminal Block (under the center
AC Bus Bar). This fastener secures the Terminal Block to the SCR Cooling Manifold.
6. Remove the two (2) spacers if the Terminal Block is to be replaced with a new one.
7. Continue to Section 4.11.2.5 3-Phase Main Input Terminal Block Installation - TTH/TGH/TTH/TGH
(Except TTS300/TGS230) on page 105.
Figure 4-82 Input Terminal Block Removal - TTS/TGS/TTH/TGH Rev. F and Earlier (Except TTS300/TGS230)
M-SV-001-EN Rev. H-1/23/2023 Page 103 of 294
Содержание Turbocor TT Series
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