Carrier RTU OPEN 11-808-427-01 Installation And Startup Manual

Also see for RTU - OPEN: Controls, Start-Up, Operation and Troubleshooting Instructions Controls, Start-Up, Operation and Troubleshooting

Contents

Table of Contentsii RTU OpenWiring a status switch ......................................................................................................................... 31Wiring specifications ................................................................................................................ 31To wire a status switch to the controller ................................................................................. 32Wiring a compressor safety ................................................................................................................ 32Wiring specifications ................................................................................................................ 32To wire a compressor safety input to the controller ............................................................... 33Wiring an occupancy switch or door contact ..................................................................................... 33Wiring specifications ................................................................................................................ 33To wire an occupancy switch or door contact ......................................................................... 34Start-up ....................................................................................................................................................................... 35Service Test......................................................................................................................................................... 36Configuring the RTU Open's properties .......................................................................................................... 37Unit Configuration properties ............................................................................................................. 37Setpoint properties.............................................................................................................................. 39Service Configuration properties ........................................................................................................ 40Sequence of Operation ............................................................................................................................................. 42Occupancy........................................................................................................................................................... 42Supply fan ........................................................................................................................................................... 43Cooling ................................................................................................................................................................. 43Economizer ......................................................................................................................................................... 44Power Exhaust.................................................................................................................................................... 44Unoccupied Free Cooling .................................................................................................................................. 45Optimal Start ...................................................................................................................................................... 45Enthalpy control ................................................................................................................................................. 46Indoor Air CO2 .................................................................................................................................................... 46Heating ................................................................................................................................................................ 47Heat Pump operation ........................................................................................................................................ 48Dehumidification ............................................................................................................................................... 48Demand Limit..................................................................................................................................................... 49Door switch ......................................................................................................................................................... 49Remote occupancy ............................................................................................................................................ 49Fire Shutdown .................................................................................................................................................... 49Compressor Safety ............................................................................................................................................ 49Fan Status ........................................................................................................................................................... 50Filter Status ........................................................................................................................................................ 50Alarms ................................................................................................................................................................. 50Linkage ................................................................................................................................................................ 53Linkage Air Source Modes................................................................................................................................ 54Troubleshooting ......................................................................................................................................................... 55Serial number ..................................................................................................................................................... 55LED's .................................................................................................................................................................... 55Replacing the RTU Open's battery .................................................................................................................. 56Compliance ................................................................................................................................................................ 57FCC Compliance ................................................................................................................................................. 57CE Compliance ................................................................................................................................................... 57BACnet Compliance........................................................................................................................................... 57Appendix A: RTU Open Points/Properties .............................................................................................................. 58Status................................................................................................................................................................... 58Unit Configuration .............................................................................................................................................. 59Setpoints ............................................................................................................................................................. 61Alarm Configuration .......................................................................................................................................... 65Service Configuration ........................................................................................................................................ 66Maintenance ....................................................................................................................................................... 68Alarms ................................................................................................................................................................. 70