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NOTES FOR THERMOSTAT WIRING DIAGRAMS59TP5A1. Heat pump MUST have a high pressure switch for dual fuel applications.2. Refer to outdoor equipment Installation Instructions for additional information and setup procedure.3. If the heat pump date code is 1501E or earlier, select the “ZONE” position on the two speed heat pump control. Heat pumps with datecode 1601E and later do not have or require a “ZONE” selection.4. Outdoor Air Temperature Sensor must be attached in all dual fuel applications.5. Configure the thermostat for air conditioner installations. Refer to thermostat instructions.6. Configure thermostat for heat pump installations. Refer to thermostat instructions.7. Configure thermostat for single-stage compressor operation. Refer to thermostat instructions.8. Configure thermostat for two-stage compressor operation. Refer to thermostat instructions.9. Configuration thermostat for Dual Fuel Operation. Refer to thermostat instructions.10. NO connection should be made to the furnace HUM terminal when using a thermostat with a 24 volt humidifier output.11. Optional connection - If wire is connected to W2 on furnace control board, either dip switch SW1-2 or SW1 -LHT on furnace controlshould be set in ON position to allow thermostat to control furnace staging.12. Optional connection - If wire is connected, ACRDJ jumper on furnace control should be removed to allow thermostat to controloutdoor unit staging.13. Furnace must control its own staging operation via furnace control algorithm. This is factory default.14. The RVS Sensing terminal “L” should not be connected. This is used internally to sense defrost operation.15. If thermostat has internal control of heat pump balance point, DO NOT SELECT the “FURNACE INTERFACE” or “BALANCEPOINT” option on the two-speed heat pump control board. Refer to thermostat instructions16. Configure Dehumidify function to remove 24 VAC from Dehum terminal on a demand to dehumidify.36