Wiring inputs and outputsRTU Open v3 Carrier Proprietary and Confidential CARRIER CORPORATION ©2016Integration Guide All rights reserved4RTU Open Inputs and Outputs TableChannelNumberType Signal Function Part Number Wire/TerminalNumbersAlternateTerminalsInput 1 AI 4-20 mA CO2OAQSpace Relative Humidity33ZCT55CO2 33ZCT56CO233ZCSPTCO2-0133ZCSPTCO2LCD-01w/ 33ZCASPCO233ZCSENSRH-02J4 - 5 & 6 N/AInput 2 AI 4-20 mA CO2OAQSpace Relative Humidity33ZCT55CO2 33ZCT56CO233ZCSPTCO2-0133ZCSPTCO2LCD-01w/ 33ZCASPCO233ZCSENSRH-02J4 - 2 & 3 N/AInput 3 BI 24 Vac Compressor Safety **2Fan StatusFilter StatusRemote OccupancyDoor ContactN/ACRSTATUS005A00CRSTATUS005A00Field-suppliedField-suppliedJ1 - 2 J5 - 5 & 6***Input 4 BI 24 Vac Safety Chain * N/A J1 - 9 N/AInput 5 BI 24 Vac Fire Shutdown **1, 2Fan StatusFilter StatusRemote OccupancyDoor ContactField-suppliedCRSTATUS005A00CRSTATUS005A00Field-suppliedField-suppliedJ1 - 10 J5 - 3 & 4***Input 6 AI 10KThermistorSupply Air Temperature 33ZCSENSAT 33ZCSENDAT J2 - 1 & 2 N/AInput 7 AI 10KThermistorOutside Air Temperature 33ZCSENOAT J2 - 3 & 2 N/AInput 8 BI 24 Vac Enthalpy **Fan StatusFilter StatusRemote OccupancyDoor Contact33SENTHSWCRSTATUS005A00CRSTATUS005A00Field-suppliedField-suppliedJ2 - 6 & 7 J5 - 1 & 2***Input 9 BI 24 Vac Humidistat **Fan StatusFilter StatusRemote OccupancyDoor Contact--HL--38MG-029CRSTATUS005A00CRSTATUS005A00Field-suppliedField-suppliedJ5 - 7 & 8 N/AInput 10 AI 10KThermistorSpace Temperature 33ZCT55SPT 33ZCT56SPT33ZCT59SPTJ20 - 1 & 2 N/AInput 11 AI 100KThermistorSpace TemperatureSetpoint Adjust33ZCT56SPT 33ZCT59SPT J20 - 3 & 4 N/ARnet AI Zone Temperature SPS / SPPL / SPP J13 - 1, 2, 3, 4 N/AAO - 1 AO Economizer Economizer Actuator-Field-supplied J2 - 5 & 4 N/AAO - 2 AO 0-10 Vdc or2-10 VdcVariable Frequency Drive Field-supplied J22 - 1 & 2 N/ABO - 1 BO N/A - Relay Fan (G) N/A J1 - 4 N/ABO - 2 BO N/A - Relay Heat 2 (W2) Output N/A J1 - 5 N/ABO - 3 BO N/A - Relay Heat 1 (W1) Output N/A J1 - 6 N/ABO - 4 BO N/A - Relay Cool 2 (Y2) Output N/A J1 - 7 N/AWiring inputs and outputs