Figure 4-50 Backplane IGV LEDs
10. Verify the IGV position indicator moves toward closed.
11. Measure the +15V test point on the Backplane to verify voltage is supplied to the Serial Driver for the
IGV. Refer to Figure 4-51 Bac15V Test Point.
Figure 4-51 Bac15V Test Point
4.9.3 IGV Housing Removal and Installation
• • • CAUTION • • •
Removal of the IGV mounting fasteners will release refrigerant. Isolation and recovery of the refrigerant must be performed by a qualified
service technician adhering to industry/ASHRAE standards.
4.9.3.1 IGV Housing Assembly Removal
1. Isolate compressor power.
2. Remove the clamp securing the IGV Connector. Refer to Figure 4-52 IGV Harness Removal on page 86.
for this and the following step.
3. Disconnect the IGV Motor Cable and Suction Sensor connector.
M-SV-001-EN Rev. H-1/23/2023 Page 85 of 294
Summary of Contents for Turbocor TT Series
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