Index 
 
76  RTU Open 
 
Operating Mode • 58 
Optimal Start • 39, 61 
Outdoor Air CO2 • 58 
Outdoor Air Temp Sensor Alarm • 70 
Outdoor Air Temperature • 58 
Outdoor CO2 Sensor Value @max (ma) • 40, 66 
Outdoor CO2 Sensor Value @min (ma) • 40, 66 
Outside Air Temp Calibration • 59 
Override Time Remaining • 68 
Power Exhaust Setpoint • 39, 61 
Power Exhaust Test • 66 
Pushbutton Override • 59, 68 
Reset Comp 1 Runtime Alarm • 68 
Reset Comp 2 Runtime Alarm • 68 
Reset Filter Runtime Alarm • 68 
Reset Supply Fan Runtime Alarm • 68 
Reversing Valve Test • 66 
Safety Chain alarm • 70 
Safety Chain Feedback • 68 
Schedules • 68 
Service Test • 66 
Setpoint Slider • 70 
Space Relative Humidity • 58, 71 
Space Relative Humidity Sensor alarm • 70 
Space sensor type • 37, 59 
Space Temp Calibration • 59 
Space Temp Sensor • 70 
Space Temp Sensor Alarm • 70 
Space Temperature • 71 
Space Temperature - Prime Variable • 58 
Space Temperature Alarm • 70 
Supply Air Temp Calibration • 59 
Supply Air Temp Sensor alarm • 70 
Supply Air Temperature • 58 
Supply Fan Runtime • 68 
Supply Fan Runtime alarm • 70 
Supply Fan Service Alarm Timer • 59 
Supply Fan Status • 58 
Switch Configuration • 70 
System Cool Demand Level • 66 
System Heat Demand Level • 66 
System Mode • 58 
System Outside Air Temperature • 66 
System Space Temperature • 66 
T5x Override Duration • 59 
Unit Start Delay • 59 
Unit Type • 40, 66 
Unocc Free Cool Enable • 59 
Unocc Relative Humidity Setpoint • 39, 61 
Unoccupied Cooling • 39, 61 
Unoccupied Cooling 1 • 61 
Unoccupied Cooling 2 • 61 
Unoccupied Cooling Setpoint • 71 
Unoccupied Heating • 39, 61 
Unoccupied Heating 1 • 61 
Unoccupied Heating 2 • 61 
Unoccupied Heating Setpoint • 71 
Unoccupied High SPT Alarm Limit • 65 
Unoccupied Low SPT Alarm Limit • 65 
Vent Dmpr Pos / DCV Min Pos • 59 
R 
Rnet • 20 
Rnet wiring specifications • 20 
S 
Serial number • 55 
SPT sensors • 20 
Supply Air Temperature sensor • 21 
T 
temperature sensors 
Duct Air Temperature sensor • 22 
SPT sensors • 20 
Supply Air Temperature sensor • 21 
Troubleshooting • 55 
W 
Wiring specifications 
Network • 11 
Rnet • 20