How motorized iris damper works in HVAC system
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How electric iris damper works in air conditioning system MOTORIZED IRIS DAMPER • Retracts fully for duct cleaning • Finger tip control with adjustable set-points • Interlocking galvanized steel plate construction • Automatic measurement and control of airflow • Input signal : 0-10 VDC, 2-10 VOC or 4-20 mA ,,0-20mA signal • Capacities: 15 cfm to 4,000 cfm , 4,000cfm to 20,000cfm DESCRIPTION The motorized iris damper assembly provides all the benefits of the standard IRIS damper , plus adds an electronic actuator to allow for remote control of the damper. The electric iris damper is available in all series , and permits the damper to be controlled by a building control system, or operate as a standalone unit through the use of switches. CONTROL FEATURES • Input : 0-10 VDC, 2-10 VDC or 4-20mA ,0- 20mA • Adjustable min/max po r ts for airflow settings • 2 position or modulating control • Can be f ully open damper for duct cleaning • Airflow taps for measuring ai