Enthalpy economizer control uses a subroutine to perform the enthalpy calculation. The following calculations can be added to a PPCL program:

  • Enthalpy from dry bulb and relative humidity (Btu/lb or kJ/kg)
  • Enthalpy from dry bulb and dew object (Btu/lb or kJ/kg)

For implementation of enthalpy and dry bulb economizer control, contact your Siemens Building Technologies representative.