Carrier XCT7 40VCW317FQEE Installation And Owner's Manual page 26

Wired Controller Wiring Instruction
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Wired Controller Wiring
1. Hold the front of the controller, push down the back cover to open the back cover of the controller.
2. Put communication wire through the hole in the back cover.
3. Fix the back cover.
A White
B Yellow
C Red
ABC
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E16-BOTTOM-TOP(A)
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