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4.16.2.2 Soft Start SCR Gate Cable Installation
1. Connect the SCR Gate Cable to the Soft Start.
a. For compressors with the Closed-Top Soft Start, install the J8 connector.
o
Be sure to align the pins properly so as not to bend them or misalign the plug. The flat
portion of the connector goes to the top. Refer to Figure 4-123 Closed-Top Soft Start J8
Connector Top.
Figure 4-123 Closed-Top Soft Start J8 Connector Top
b. For compressors with the Open-Top Soft Start, install the J2 connector.
Figure 4-124 Open-Top Soft Start J2 Connector
2. Once the Cable Harness has been installed onto the Soft Start, the cable should be routed toward the
SCRs. SCR Gate connectors must be installed in correct order for proper compressor operation.
3. Plug each pigtail into its respective SCR making sure you line up the “key” on the pigtail connector to
the “key” of the SCR itself. This may require the use of small forceps or needle nose pliers. Refer to
Figure 4-125 SCR Gate Connector Alignment on page 131 for the two (2) different styles of SCRs.
Page 130 of 294 - M-SV-001-EN Rev. H 1/23/2023
Summary of Contents for Turbocor TT Series
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