72 Series Economizer Logic Module 24VAX 60Hz

72 Series Economizer Logic Module,VAC:24, Hertz:60, For Single and Dual Bulb ABD Single and Differential Enthalpy,Has Indoor and Outdoor Sensor Inputs, Demand Control Ventilation Economizer Provides Comfort, Energy Savings, Reliability, Air Quality Compliance and Flexibility in Heating, Cooling and Ventilating Applications • Optional Differential Enthalpy Control (Enthalpy Setpoint D with Two C7400A Sensors) Provides Greater Economizer Savings and Maximum Comfort over Single Enthalpy Control • Combines Enthalpy or Dry Bulb Changeover Control, Minimum and Maximum Damper Position Potentiometer and DCV Setpoint Functions • Enthalpy Setpoint (A‑D) On Economizer Module Controls the Combination of Air Temperature and Humidity That Is Suitable for Free Cooling • Input from DCV CO2 Sensor Provides Optimum Ventilation Based On Occupancy • LEDs Indicate When Economizer Is In Free Cooling and DCV Modes • Provides For Input from an Outdoor Air Quality Sensor • Includes Air Change and Shutdown Use with C7400A, or C7660 and C7150B or C7046 Sensors; Demand Control Ventilation (DCV) sensor C7232 C02 sensor (2‑10 VDC); and Honeywell Series 72 actuators to proportion outdoor and return air dampers for economizer and ventilation control in commercial HVAC equipment, Dims:2"H X 8-1/2"W X 5-3/4"D, Weight:2Lbs, Origin:Mexico, in Mfg Box.