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

Start-up40 RTU OpenPoint Name/Description Default/RangeOptimal Start D:– The earliest time, prior to occupancy, at which the Optimal Start functionmay begin to adjust the effective setpoints to achieve the occupied setpoints by the timescheduled occupancy begins. Enter 0 to disable Optimal Start. R:4 hr0 to 4 hrOcc Relative Humidity Setpoint – The percentage of relative humidity in the space duringoccupancy that will energize BO - 6 (Humidi-MiZer™).D:R:60%rh0 to UnoccupiedRH ControlSetpointUnocc Relative Humidity Setpoint D:– The percentage of relative humidity in the space duringthe unoccupied time period that starts the unit and energizes BO - 6 (Humidi-MiZer™). R:95%30 to 100%DCV Max Ctrl Setpoint D:– The design difference between indoor and outdoor CO2 levels.R:650ppm0 to 9999 ppmPower Exhaust Setpoint - The outside air damper position at which the controller energizesthe Power Exhaust relay. Configuration >Service Configuration > Economizer Exists must beset to Yes, and Configuration >Service Configuration > Continuous Occupied Exhaust mustbe set to NoD:.R:50% Open20 to 90% OpenService Configuration propertiesi-Vu / Field Assistant:Navigation:BACview:Properties > Equipment > Configuration > Service ConfigurationHOME > CONFIG > SERVICEPoint Name/Description Default/RangeUnit TypeOptions:– The type of equipment that the RTU Open is controlling.Heat/Cool – Standard rooftop air handling unit.HP O/B Ctrl – Heat Pump application, uses reversing valve output to control heating andcooling.HP Y1/W1 CtrlD:– Carrier Heat Pump application only.R:Heat/CoolHeat/CoolHP O/B CtrlHP Y1/W1 CtrlCompressor Stages – The number of mechanical cooling stages. D:R:One StageOne StageTwo StagesEconomizer Exists – Set to Yes D:to enable economizer control for units equipped with aneconomizer damper. R:NoNo/YesReversing Valve Output – Set to O = Reversing Valve output on with cooling. Set to B =Reversing ValveD:output on with heating. R:OO / BHeat Type – The type of heating that the unit has. D:R:ElectricElectric/GasNumber Of Heat Stages – The number of heat stages. D:R:21 /2 /0 (no heating)