4.13 Terminal Block Fuse Replacement
TTS300/TGS230 compressors have class T fast-acting fuses installed in the Terminal Block.
Figure 4-91 Terminal Block Fuse
4.13.1 Verification of Terminal Block Fuse
1. Isolate the compressor power as described in Section 1.8 Electrical Isolation on page 22.
2. Set the multimeter for resistance measurement.
3. Place one (1) meter probe the line side of the fuse and the other probe on the load side. Refer to Figure
4-92 Terminal Block Fuse Test. The resistance should be no greater than 2Ω.
Figure 4-92 Terminal Block Fuse Test
4. Continue for the remaining two (2) fuses.
5. Replace any fuses that read open or have a resistance greater than 2Ω.
4.13.2 Terminal Block Fuse Removal and Installation
4.13.2.1 Terminal Block Fuse Removal
1. Isolate the compressor power as described in Section 1.8 Electrical Isolation on page 22.
2. Remove the 5/16 - 18 fastener on the line side of the fuse.
3. Remove the 5/16 - 18 nut from the load side of the fuse.
4. Remove the fuse.
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Summary of Contents for Turbocor TT Series
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