Carrier XCT7 40VCW117FQEE Installation And Owner's Manual page 19

Wiring Controller Wiring Instruction
Communication wiring
Communication wiring length (m/ft)
< 100m/328ft
≥100m/328ft and <200m/656ft
≥200m/656ft and <300m/984ft
*Ground only one end of the shielded cable
Wiring Diagrams
Dimensions of Wiring
0.3mm2x3-core shielded wire (22AWG, 3 wire)
0.5mm2x3-core shielded wire (20AWG, 3 wire)
0.75mm2x3-core shielded wire (18AWG, 3 wire)
yellow
13
red
white