M9220-BGC-3 Johnson Controls Actuator

Overview

The Johnson Controls M9220-BGC-3 is a direct-mount, electric spring-return damper actuator designed to provide reliable on/off control of dampers and valves in HVAC systems. Operating on 24 VAC or 24 VDC power, this bidirectional actuator offers integrated control without needing a damper linkage, and it automatically returns to its fail-safe position when power is lost.

Features

• Reversible mounting design that simplifies installation and enables spring return in either direction
• Electronic stall detection across the entire rotation range to deactivate the motor during overload conditions
• Two integral SPDT auxiliary switches providing end-stop position indication or switching functions
• Locking manual override with auto release and integrated crank storage for manual positioning
• NEMA 2 (IP54) rated aluminum enclosure that protects internal components from dirt and moisture
• Removable coupler capable of adapting to shorter damper shafts

Specifications

• Torque Rating: 177 lb-in (20 N-m) for running and spring return
• Power Requirements: 24 VAC at 50/60 Hz (24.6 VA running, 5.4 VA holding) or 24 VDC (17.6 W running, 2.8 W holding)
• Control Signal: Two-position On/Off
• Rotation Range: 93 degrees maximum, mechanically limited to 90 degrees by integral end-stops
• Rotation Time: 24 to 57 seconds for power-on running; 11 to 15 seconds for spring return at room temperature
• Electrical Connection: 48-inch (1.2 m) halogen-free cable with 18 AWG wire leads
• Life Expectancy: 60,000 full stroke cycles

Applications

• Positions return air, exhaust air, or outside air dampers in heating, ventilating, and air conditioning systems
• Controls individual dampers or valves requiring up to 177 lb-in of torque under normal operating conditions
• Supports tandem mounting configuration using a compatible kit to deliver up to 354 lb-in of torque for larger damper applications