Johnson Controls M9220-HGA-3 Actuator
The Johnson Controls M9220-HGA-3 is a high-torque, spring return direct coupled actuator engineered for precise control of dampers and valves in demanding HVACR environments. Delivering 177 lb-in torque, this proportional actuator supports 24Vac/Vdc power inputs and accepts 0-10Vdc, 2-10Vdc, or 0(4)-20mA control signals via an external 500 Ohm resistor. Designed for versatile field integration, it features adjustable zero and span settings, allowing technicians to calibrate the starting point and operating range to match specific system requirements. The unit provides a consistent 150-second power-on drive time and a reliable mechanical spring return for fail-safe positioning during power loss. Built with a rugged housing and a 48-inch cable with wire leads, the M9220-HGA-3 electric actuator ensures long-term performance in modulating control applications where high static pressure or heavy linkage loads are present.
Key Benefits for Technicians:- Versatile Control Logic: Supports multiple analog input signals with field-adjustable scaling for precise damper actuator positioning.
- Fail-Safe Reliability: Integrated mechanical spring return ensures the 177 lb-in torque handles critical shut-off requirements during power interruptions.
- Synchronized Operation: Capability to operate two actuators in tandem for applications requiring up to 354 lb-in of torque on a single shaft.
- Simplified Installation: Features a universal shaft coupler and a pre-wired 48-inch cable to reduce time on the job site.
How do I set the adjustable zero and span on the M9220-HGA-3?
Potentiometers located under the actuator cover allow for manual calibration of the start point and the operating voltage range, facilitating customization for non-standard control signals.
Can this actuator be used for both clockwise and counter-clockwise spring return?
Yes, the direction of the spring return is determined by the orientation of the actuator on the shaft, allowing for field-reversible fail-safe action.
Is an external resistor required for 4-20mA operation?
Yes, a 500 Ohm resistor must be wired across the input signal leads to convert the current signal into a voltage signal recognizable by the actuator logic.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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