ON-OFF DAMPER ACTUATOR(GDA-20A) | | | GDA-20A is motor operated ON / OFF damper actuator to open and close Damper which can be used for HVAC air handling units. | | Used for operating Damper for ventilation and Air handling facilities. Nominal torque is 20Nm and can be covered damper surface area for 4㎡. Used for ON / OFF damper control. Used for air damper, ventilating gas damper, etc. | | Select operating direction ( CW or CCW ) by changing the connection of wiring Actuator will move within 0°”or“90° in case of normal input supply power When the power is OFF at AC24V or AC220V, Actuator will stop moving at the current position
| | Supply Voltage : AC 24V ±10%, or (AC220V) Frequency : 50 / 60 ㎐ Power Consumption : 5.5VA ( On Operation ) Control Signal : ON / OFF Switch Torque : 200 Kg-㎝(20 Nm) Rotation Range : 0 ~ 90° Mechanical Rotation Range : 95°±2° ( mechanical limit at 95°) Direction of Rotation : Forward/Reverse direction ( changing wire connection) Operating Tie : Apprx. 110 sec. Ambient temperature : -30 ~ +50℃, below 95%RH Connecting Cable : 0.5sq.mm ~ 1.5mm Noise Degree : 45 dB Protection Housing Class : IP 42 Weight : 1.67 Kg Applicable Damper Shaft : Φ10~Φ20 ( round ), □10~□16 ( square )
| | Mounting Bracket : To mount actuator on damper axis directly, it must be used bracket, and fixing pin of mounting bracket should be correctly fixed into the groove of Actuator. Mounting Location : Select easy location for setting dial of front side of Actuator and cable connection. Manual Control : According to mounting procedures, and press manual control button first and adjust shaft adaptor and location indicator. ( in case of manual control, power should not be connected )
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