18-AD47D1-1B-EN 15
Installer’s Guide
V: FIELD WIRING DIAGRAMS:
Notes:
1. For 24V control, connect factory supplied harness to circuit board at evaporator. Complete all other wiring
connections at furnace.
2. For heat pump systems, remove factory Y1 - O jumper at furnace (if equipped).
3. For 2-stage systems, connect W2 to W2 and Y2 to Y2.
4. For Link enabled systems, omit all 24V wiring and use "CAN" connection only.
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