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[EnergyPlus_Support] control theory



What happens when the cooling delivery air temperature is set below the heating setpoint temp?

would the outside air mixer try to use warm outdoor air to heat the space if the setpoint temperature fell below the heating setpoint or would the heating coil kick in, or both. my setpoint sensor is at the outlet of the HVAC Airloop, which means that with the delivery temperature of 18 deg C, the sensor sees temperatures below the setpoint  temperature for heating (even though room temp is still 24 deg C).

Any thoughts?



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