York CZH Installation Manual

Also see for AC6B SERIES: Installation manual User's information manual User's information manual

835965-UIM-C-0814Johnson Controls Unitary Products 13FIGURE 14: Thermostat Chart - Two Stage AC – Variable Speed FurnacesAC 26A Two Stage Air Conditioner – Variable Speed Modulating FurnaceC24 – Volt CommonYFirst Stage CompressorY2Second StageCompressorGFan*PP32U70124THERMOSTATW2Second Stage HeatR24 – Volt Hot(Heat XFMR)RC24 – Volt Hot(Cool XFMR)C24 – Volt CommonYFirst Stage CompressorY2Second StageCompressorGFan*DN22U00124THERMOSTATW2Second Stage HeatR24 – Volt Hot(Heat XFMR)RC24 – Volt Hot(Cool XFMR)WFirst Stage HeatWFirst Stage HeatTWO STAGEAIRCONDITIONERC24 – Volt CommonR24 – Volt HotY1First Stage CompressorY2Second StageCompressorC24 – Volt CommonR24 – Volt HotY1Single StageCompressorVARIABLE SPEEDMODULATINGFURNACE CONTROLGFanVARIABLE SPEEDMODULATINGFURNACEY/Y2Second or FullStage CompressorHUMDehumidification-Open on Humidity RiseWModulating HeatMove HUMIDISTATjumper to “YES”if humidistat is to be used.24VAC Humidifier(Optional)External Humidistat(Optional)Open on Humidity RiseConnection of the “C”terminal, 24-Volt commonis optional when used withbatteriesThermostat Installer Setup0170-System Type-mustbe set to 8-2 Heat/2 CoolMultistage ConventionalConnection of the “C”terminal, 24-volt commonis optional when used withbatteriesThermostat Installer Setup1-System Type-mustbe set to 6-2 Heat/2 CoolMultistage ConventionalThermostat Installer Setup15-Compressor Protection-must be set to 5External Humidistat(Optional)Open on Humidity RiseA0212-002RelayID MODELSYP9CLP9CCP9CTP9CLPLCYPLCCPLCTPLC