Description
The Johnson Controls P-3800-1 is a pneumatic Reset Volume Controller engineered for precise air pressure management in commercial HVAC and building automation systems. Factory-calibrated and ready to install, this controller delivers reliable reset control with minimal air consumption, making it an ideal choice for pneumatic control loops where accuracy and efficiency are critical.
Key Features
- Supply pressure range: 13–25 PSIG for broad compatibility with standard pneumatic systems
- Output pressure: less than 2 PSIG, providing low-pressure, high-sensitivity control output
- Reset start point factory set at 8 PSIG for out-of-the-box accuracy
- Air consumption: 25 SCIM (Standard Cubic Inches per Minute) for efficient operation
- Inputs I and II feature 3/8″ barbed fitting air connections for quick, secure pneumatic hookup
Product Specifications
- SKU: P-3800-1
- Brand: Johnson Controls
- Supply Pressure: 13–25 PSIG
- Output Pressure: Less than 2 PSIG
- Air Consumption: 25 SCIM
- Input Connections (I & II): 3/8″ Barbed Fitting Air Connections
- Reset Start Point: Factory Set at 8 PSIG
Application
The P-3800-1 is designed for use in pneumatic control systems where reset volume control is required, such as variable air volume (VAV) systems, HVAC zone control, and building automation applications. Its factory-set reset start point reduces field calibration time, while the 3/8″ barbed fittings ensure compatibility with standard pneumatic tubing. The low air consumption of 25 SCIM helps minimize compressor load and supports energy-efficient system operation.
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