York CZH Installation Manual

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

835965-UIM-C-08148 Johnson Controls Unitary ProductsFor additional connection diagrams for all UPG equipment refer to “Low Voltage System Wiring” document available online at www.upgnet.com in theProduct Catalog Section.FIGURE 9: Thermostat Wiring – Single Stage Air Conditioner (with AC control) – PSC Air Handler– PSC Air HandlerSingle Stage Air Conditioner (with AC control)ID MODELSJumper 1 must be setto “GAS/ELEC”Y1First StageCompressorW2Second Stage HeatGFanS1-THSU21P1bTHERMOSTATR24 – Volt HotW1/O/BFirst Stage HeatC24 – Volt CommonJumper 3 must be setto “ELEC”SINGLE STAGEAIRCONDITIONERC24 – Volt CommonR24 – Volt HotY1First Stage CompressorY2Second StageCompressorSINGLE STAGEAIR CONDITIONERExternal Humidistat(Optional)Open on Humidity RiseY1FirstStage CompressorCOM24 – Volt CommonR24 – Volt HotGFanW2Second Stage HeatOReversing ValveEnergized in CoolX/LMalfunction LightHUMHumidity SwitchOpen on Humidity RisePSCAIR HANDLERCONTROLY/Y2Second or FullStage CompressorW1First Stage HeatEAC(24 VAC out)Electronic Air CleanerHUM OUT(24 VAC out)HumidifierPSCAIR HANDLERMove HUM STATjumper to “YES”if humidistat is to beused.Refer to AHdocumentationfor W1 and W2 electricheat staging options.24VAC Humidifier(Optional)24VACElectronic Air Cleaner(Optional)A0207-002RelayRelayMAAHR