Description
The Johnson Controls C-5230-3 is a precision-engineered pneumatic signal limiter designed for high and low limit control in commercial and industrial HVAC pneumatic control systems. Operating on a direct-acting, proportional control principle, this limiter ensures that pneumatic output signals remain within defined boundaries, protecting downstream actuators and control devices from out-of-range signals.
Key Features
- Combined high and low limit function in a single device
- High limit adjustment: 3 to 1 Psig of supply pressure
- Low limit adjustment: 2 to 1 Psig of supply pressure
- Proportional, direct-acting control action
- 1:1 signal ratio maintained between high and low limits
- Supply pressure range: 13–25 Psig
- Designed for integration into pneumatic building automation and HVAC control systems
Technical Specifications
- Model: C-5230-3
- Brand: Johnson Controls
- Control Type: Pneumatic Signal Limiter
- Limit Type: High and Low
- High Limit Adjustment Range: 3 to 1 Psig of Supply Pressure
- Low Limit Adjustment Range: 2 to 1 Psig of Supply Pressure
- Action: Proportional, Direct Acting
- Signal Ratio Between Limits: 1:1
- Supply Pressure: 13–25 Psig
Applications
The C-5230-3 is ideal for use in pneumatic HVAC control loops where output signal clamping is required. It prevents over-pressurization or under-pressurization of pneumatic actuators, damper operators, and valve positioners, ensuring stable and reliable system performance. Suitable for use in commercial buildings, institutional facilities, and industrial HVAC applications utilizing pneumatic control infrastructure.
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