Description
Johnson Controls M9104-IGA-2S Direct Coupled Actuator Overview
The Johnson Controls M9104-IGA-2S is a reliable, non-spring return direct coupled actuator engineered for precise damper control in commercial HVAC applications. Designed to operate on 24Vac power, this actuator supports both floating control and two-position control modes with a built-in timeout function, giving system designers flexible integration options for a wide range of building automation and air handling applications.
Key Features
- 24Vac floating control or two-position control with timeout functionality
- 35 lb-in (4 Nm) torque output for dependable damper actuation
- 60-second full-stroke travel time for smooth, controlled operation
- Non-spring return design — maintains last position on power loss
- Direct coupled mounting — no crank arm or linkage required
- 48-inch plenum-rated cable for safe installation in air-handling plenums
Control & Wiring
The M9104-IGA-2S accepts standard 24Vac floating (tri-state) or two-position control signals, making it compatible with a broad range of building automation system (BAS) controllers and zone control panels. The integrated timeout feature provides added protection by automatically stopping actuator travel if an end-stop is not reached within the expected timeframe.
Installation & Mounting
The direct coupled design simplifies installation by allowing the actuator to mount directly onto standard damper shafts without additional linkage hardware. The 48-inch plenum-rated cable meets code requirements for use in air-handling plenums and return-air spaces, ensuring safe and compliant wiring in sensitive HVAC environments.
Specifications
- Model: M9104-IGA-2S
- Brand: Johnson Controls
- Supply Voltage: 24Vac
- Control Mode: Floating Control or Two-Position with Timeout
- Torque: 35 lb-in
- Travel Time: 60 seconds (full stroke)
- Spring Return: Non-Spring Return
- Mounting: Direct Coupled
- Cable Length: 48 inches (Plenum Rated)
Ideal Applications
- Commercial air handling units (AHUs)
- Variable air volume (VAV) systems
- Economizer and outside air damper control
- Building automation and energy management systems
- Zone damper control in multi-zone HVAC systems
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