Description
Overview
The Johnson Controls M9220-GGC-3 is a high-performance spring return direct coupled actuator engineered for precise proportional control in commercial HVAC damper applications. Featuring a robust 177 lb-in torque output and a 150-second power-on run time, this actuator delivers reliable, repeatable positioning across a wide range of building automation and air handling systems.
Key Features
- Spring return fail-safe operation for reliable damper positioning on power loss
- 177 lb-in torque output for demanding damper applications
- 150-second power-on run time
- Proportional control for precise modulating performance
- Dual SPDT auxiliary switches for end-position feedback or interlocking
- 48″ cable with wire leads for flexible installation
- Direct coupled design — no crank arm or linkage required
Electrical Specifications
- Supply voltage: 24 Vac / 24 Vdc
- Control signal inputs: 0–10 Vdc, 2–10 Vdc, (0)4–20 mA (with 500 Ohm resistor)
- Two SPDT auxiliary switches included
Control & Signal Options
- 0–10 Vdc proportional input
- 2–10 Vdc proportional input
- (0)4–20 mA current input with integrated 500 Ohm resistor
Physical & Installation Details
- Direct coupled, clamp-style mounting — no linkage hardware needed
- 48″ cable with wire leads for easy field wiring
- Spring return mechanism ensures fail-safe damper closure or opening on power interruption
- Compact actuator body suitable for tight mechanical room installations
Applications
- VAV and constant volume air handling units
- Outdoor air, return air, and exhaust dampers
- Building automation and DDC control systems
- Commercial HVAC proportional damper control
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