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BACnet Advanced Application Controller ZN141A


The ZN141A is a fully programmable, native BACnet Advanced Application Controller that provides zone-level temperature and air quality control for pressure-independent VAV applications. Sophisticated pre-engineered control algorithms reduce energy consumption, extend actuator life, and increase occupant comfort. It communicates on an EIA-485 LAN using BACnet MS/TP or BACnet over ARCNET communications and connects seamlessly to the WebCTRL® building automation system.


  • Versatile controller suitable for a variety of applications, including fan coil units, lighting, and exhaust fan control

  • Standard library of control programs available for most zoning applications

  • Supports EIKON® graphical programming software, an object-oriented tool that provides complete flexibility for any custom control sequence that you need

  • Supports Automated Logic® communicating sensors, which are available in a variety of zone sensing combinations and support setpoint adjustment and occupancy overrides

  • Supports Automated Logic touchscreen interfaces for managing and troubleshooting the connected equipment easily

  • Supports live, visual displays of control logic, which uses real-time operational data and aids in optimizing and troubleshooting system operations

  • Quick & easy test and balancing process


  • Controls up to 6 points (1 binary outputs, 4 universal inputs, and 1 analog output)

  • Precision airflow sensor and advanced VAV algorithm increase occupant comfort at both minimum and maximum design air flows, while also extending actuator life

  • High-speed, native BACnet over ARC156 communications delivers high-speed response when you need it. BACnet over MS/TP communications is also supported

  • Fast, powerful, and fully distributed control allows complete independence from any other devices in the system

  • Firmware upgrades can be performed remotely

  • Easy startup and commissioning using the WebCTRL system user interfaces

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