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M-SV-001-EN Rev.E
3.3.4.2 Terminal Block
Removal (TT300/TG230)
1. Isolate the compressor power as described
in the “Electrical Isolation of the Compressor”
section of this manual.
2. Disconnect the main input cables from
terminal blocks.
3. Remove the screws that secure the fuse
assembly to the SCR at the AC input. Make note
of the Soft Start Cable Harness locations. See
Figure 30 (AC Input to SCRs (TT300/TG230)).
4. Remove the screws from the terminal block
adaptors and lift away the fuse assemblies and
insulating Mylar. See Figure 30 (AC Input to SCRs
(TT300/TG230)).
5. Remove the screws that secure the terminal
block to the casting and remove the terminal
block.
Compressor Components
Figure 30 - AC Input to SCRs
(TT300/TG230)
Figure 31 - Terminal Block
Spacers
3.3.4.3 Terminal Block
Installation (TT350/
TT400/TT500/TT700/
TG310/TG390/TG520)
1. Place the terminal block on the two spacers.
See Figure 32 (Screws Securing Terminal Block to
Casting).
2. Install the screws that secure the terminal
block to the casting. See Figure 32 (Screws
Securing Terminal Block to Casting).
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