NOTE
This would be a good time to perform a visual inspection of the top-side electronics to determine if there is any visual damage present.
Also at this time, it is suggested to verify the integrity of the fuses if you have a Closed-Top Soft Start.
4. Confirm the integrity of the fuses and resistors in the DC bus test harness by using a multimeter set to
resistance. Check each cable individually. Refer to Figure 1-11 DC Bus Test Harness Diagram (Closed-
Top Soft Start) on page 26 and Figure 1-12 DC Bus Test Harness Diagram (Open-Top Soft Start) on page
26 for harness fuse and resistor locations. The reading for the resistor should be approximately 100kΩ
and the reading for the fuse should be 29Ω.
5. Continue to the appropriate section below based on the particular Soft Start.
1.10.2 DC Bus Test Harness Installation for Closed-Top Soft Start
1. Disconnect the J1 and J7 connectors on the Soft Start Board. Refer to Figure 1-13 Soft Start (Closed
Figure 1-13 Soft Start (Closed Top)
2. Connect the two (2) plugs of the compressor cable harness into the corresponding sockets of the DC
bus test harness. Refer to Figure 1-14 Connect DC Bus Test Harness (Closed-Top Soft Start)for this and
the following step.
Figure 1-14 Connect DC Bus Test Harness (Closed-Top Soft Start)
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Summary of Contents for Turbocor TT Series
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