Installation12 RTU OpenWiring inputs and outputsRTU Open Inputs and Outputs TableChannelNumberType Signal Function Part Number Wire/TerminalNumbersInput 1AlternateTerminalsAI 4-20 mA CO2OAQSpace Relative Humidity33ZCT55CO233ZCT56CO233ZCSENCO2 w/33ZCASPCO233ZCSENSRH-01J4 N/A- 5 & 6Input 2 AI 4-20 mA CO2OAQSpace Relative Humidity33ZCT55CO233ZCT56CO233ZCSENCO2 w/33ZCASPCO233ZCSENSRH-01J4 N/A- 2 & 3Input 3 BI 24 Vac Compressor Safety **Fan StatusFilter StatusRemote OccupancyDoor ContactN/A33CSAS-0133CSFS=01Field-suppliedField-suppliedJ1 - 2 J5Input 4- 5 & 6***BI 24 Vac Safety Chain * N/A J1 N/A- 9Input 5 BI 24 Vac Fire Shutdown **Fan StatusFilter StatusRemote OccupancyDoor ContactField-supplied33CSAS-0133CSFS-01Field-suppliedField-suppliedJ1 - 10 J5Input 6- 3 & 4***AI 10KThermistorSupply Air Temperature 33ZCSENSAT33ZCSENDATJ2 N/A- 1 & 2Input 7 AI 10KThermistorOutside Air Temperature 33ZCSENOAT J2 N/A- 3 & 2Input 8 BI 24 Vac Enthalpy **Fan StatusFilter StatusRemote OccupancyDoor Contact33SENTHSW33CSAS-0133CSFS-01Field-suppliedField-suppliedJ2 - 6 & 7 J5Input 9- 1 & 2***BI 24 Vac Humidistat **Fan StatusFilter StatusRemote OccupancyDoor ContactTSTATCCPLH01-B33CSAS-0133CSFS-01Field-suppliedField-suppliedJ5 N/A- 7 & 8Input 10 AI 10KThermistorSpace Temperature 33ZCT55SPT 33ZCT56SPT33ZCT59SPTJ20 N/A- 1 & 2Input 11 AI 100KThermistorSpace TemperatureSetpoint Adjust33ZCT56SPT 33ZCT59SPT J20 N/A- 3 & 4Rnet AI Zone Temperature SPS / SPPL / SPP J13 N/A- 1, 2, 3, 4AO - 1 AO Economizer Economizer Actuator-Field-supplied J2 N/A- 5 & 4AO - 2 AO N/A Not used N/A J22 N/A- 1 & 2BO - 1 BO N/A - Relay Fan (G) N/A J1 N/A- 4BO - 2 BO N/A - Relay Heat 2 (W2) Output N/A J1 N/A- 5BO - 3 BO N/A - Relay Heat 1 (W1) Output N/A J1 N/A- 6BO - 4 BO N/A - Relay Cool 2 (Y2) Output N/A J1 N/A- 7BO - 5 BO N/A - Relay Cool 1 (Y1) Output N/A J1 N/A- 8BO - 6 BO N/A - Relay Humidi-MiZer™ N/A J11 N/A- 7 & 8BO - 7 BO N/A - Relay Reversing Valve N/A J11 N/A- 4 & 6