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WIRING DIAGRAM NOTES:
1. Heat pump MUST have a high pressure switch for dual fuel applications.
2. Outdoor Air Temperature Sensor must be attached in all dual fuel installations.
3. The RVS Sensing terminal "L" should not be connected. This is internally used to sense defrost operation.
4. Refer to indoor and outdoor equipment Installation Instructions for additional information and setup procedure.
5. Select the "ZONE" position on the 2-speed heat pump control board.
6. Do not select the "FURNACE INTERFACE" or "BALANCE POINT" option on the 2-speed heat pump control board. This is controlled
internally by the Dual Fuel Thermostat.
7. As an option, lock the furnace into low-fire operation and let Y1/W2 control high-fire operation. Refer to indoor equipment Installation
Instructions for proper setup.
8. Furnace must control its own second-stage heat operation via furnace control algorithm. Refer to indoor equipment Installation Instructions
for proper setup.
9. Dip Switch D must be in the OFF position for single-speed compressor operation. This is the factory default.
10. Dip Switch D must be in the ON position for 2-speed compressor operation.
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