Pset_UnitaryControlElementPHistory Properties for history and operating schedules of thermostats. HISTORY: Added in IFC4. IfcUnitaryControlElement IfcUnitaryControlElement Temperature Temperature of the fluid. Indicates the current measured temperature. Temperature OperationModeHistory Indicates operation mode corresponding to Pset_UnitaryControlTypeCommon.Mode. For example, 'HEAT', 'COOL', 'AUTO'. Mode Fan Indicates fan operation where True is on, False is off, and Unknown is automatic. Fan SetPoint Indicates the setpoint and label. Indicates the temperature setpoint. For thermostats with setbacks or separate high and low setpoints, then the time series may contain a pair of values at each entry where the first value is the heating setpoint (low) and the second value is the cooling setpoint (high). Set Point