Trane UCM-CLD Owner's Manual page 41

RTWB Heat Pump Application
Binary Outputs
1 = Active Mode (Heating, Cooling)
2 = Unit Status (Stopped, Running)
3 = CDS Pump Status (Stopped, Running)
4 = Sensor Alarm (Normal, Alarm)
Active Setpoints
1 = Active Mode (Heating, Cooling)
2 = Heating Setpoint (displayed if Heating Mode)
3 = Cooling Setpoint (displayed if Cooling Mode)
Note: " Ext " is displayed according to the External Control setting (No,
Partial (Mode only), Full (Mode + SP))
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