ZN141A Zone Controller

BMS & Control Automated Logic BUILDING CONTROLLERS
ZN141A Zone Controller
ZONE CONTROL

ZN141A Zone Controller

Compact, intelligent zone control for VAV and airflow‑based HVAC applications
The ZN141A Zone Controller provides precise, distributed control for zone‑level HVAC applications, combining advanced airflow sensing, graphical programming, and seamless WebCTRL® integration to enhance occupant comfort and energy efficiency.

ZN141A Zone Controller

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.

ZN141A Zone Controller

Versatile Zone Application Support

Suitable for a variety of zone‑level applications including fan coil units, lighting, and exhaust fan control.

Standard Zoning Control Programs

Includes a standard library of control programs for most zoning applications, simplifying setup and commissioning.

Communicating Sensor Support

Supports Automated Logic® communicating sensors, available in multiple zone sensing combinations with setpoint adjustment and occupancy override capability.

Live Control Logic Visualization

Provides live, visual displays of control logic using real‑time operational data to assist with optimization and troubleshooting.

I/O Capacity

The controller supports up to 6 total points, including 1 binary output, 4 universal inputs, and 1 analog output, meeting the needs of compact zone‑level control.

Airflow Control Performance

An integrated precision airflow sensor and advanced VAV control algorithm improve occupant comfort at both minimum and maximum design airflows while extending actuator life.

Communications

Supports high‑speed, native BACnet over ARC156 communications for fast response, with additional support for BACnet over MS/TP when required.

Distributed Control Architecture

Uses a fast, powerful, and fully distributed control architecture, allowing independent operation without reliance on other system devices.

Document Name Description Document Type Language Action
Spec Sheet ZN141A Zone Controller Spec Sheet PDF English Download
What applications is the ZN141A designed for?

It is designed for zone‑level HVAC and VAV applications, including airflow‑based comfort control.

Does the ZN141A support airflow measurement?

Yes. It includes a precision airflow sensor combined with an advanced VAV algorithm.

Can the controller operate independently?

Yes. Its fully distributed architecture allows standalone operation while remaining integrated with WebCTRL®.

Is the ZN141A easy to commission?

Yes. Standard programs, live logic visualization, and a quick test‑and‑balance process enable fast commissioning.

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