Phason AutoFlex Connect III
- Flexible control for tunnel, cross, and mixed-mode ventilation systems
- Up to 16 zones of temperature and environmental monitoring
- Supports variable and fixed-speed fan controls, including VFD integration
- Modular system design with expandable Smart Modules for custom configurations
- Remote access via Wi-Fi, Ethernet, or cellular connection with real-time alerts
- Designed and supported with advanced features and in-house technical expertise

Description
Phason AutoFlex Connect III
Models: AFX-CONNECT3, AFX-CONNECT3S, AFXMINICONNECT3
Downloads
Smart Climate Control for Barns
The AutoFlex Connect III from Phason is a next-generation controller engineered for high-performance barn climate control. Whether managing temperature, airflow, lighting, or humidity, this intelligent system adapts to the needs of any climate controlled barn. It’s a scalable solution designed to support both single-zone installations and large, multi-zone facilities.
This advanced Phason controller gives you local access through a 10-inch touchscreen and remote control via Ethernet, Wi-Fi, or cellular connectivity. Built for livestock operations, it supports real-time environmental adjustments and system alerts to ensure optimum animal comfort and operational efficiency.
Model Options
Select the model that best fits your operation’s needs:
- AFX-CONNECT3: Supports 14 Smart Modules
- AFX-CONNECT3S: Same as above, but includes manual override switches
- AFXMINICONNECT3: A compact model that supports 6 Smart Modules
Key Features
- 10-Inch Touchscreen: Intuitive interface for setup and local control
- Remote Access: Manage systems from anywhere with internet connectivity
- Smart Module Compatibility: Expand your setup with modular controls
- Expandable System: Add Expansion Boxes for increased capacity
- Rugged Housing: NEMA 4X-rated enclosure for tough barn environments
- Multi-Zone Functionality: Control up to 16 individual barn zones
- Ventilation Optimization: Includes traditional staging and VentGrid™ technology
- Custom Alerts: Receive system notifications via text or email
- Reporting Tools: Generate performance reports to analyze and improve barn operations
Control Capabilities
- Fixed and variable-speed fans
- Chimney fans
- Heaters and furnaces
- Foggers, misters, and sprinklers
- Cooling pad systems
- Curtains and air inlets
- Actuators and winches
- Lighting systems
- Feeding mechanisms
- Duty cycle devices
Monitoring Capabilities
- Temperature and humidity
- CO₂ and ammonia (NH₃)
- Barometric and static pressure
- Wind speed, direction, and chill
- Feed and water consumption
- Light levels and rainfall
- Thermal Heat Index (THI)
Frequently Asked Questions
- How is AutoFlex Connect III different from AutoFlex Connect II? The third-generation controller offers a faster processor, added memory, external Wi-Fi/cellular antennas, a 4-port Ethernet switch, and improved manual overrides. The Mini model also includes a larger enclosure and built-in cable trough for easier wiring.
- Can I upgrade from AutoFlex Connect II? Yes, the 14-module model can be upgraded easily without reprogramming—just back up your settings, install the upgrade kit, and restore. The Mini version cannot be upgraded due to enclosure changes.
- How does the cellular connection work? A pre-installed SIM card is included. Contact Phason Controls to activate a multi-carrier plan for optimal coverage in the US and Canada.
- Can I use my existing Phason Web Services account? Yes, you can add your existing email to AutoFlex Connect III and manage all devices under one account.
- Are my existing Smart Modules compatible? Yes, all current modules work with AutoFlex Connect III. An update is recommended for peak performance.
- Are Expansion Boxes interchangeable? Yes, any Expansion Box works with any model of AutoFlex Connect III, including older versions like EXPANSION-6 or EXPANSION-14.
- Can it manage evaporative cooling systems? Yes, it includes dedicated modes for controlling sprinklers, misters, fans, and pumps.
- Can it control lighting? Yes, AutoFlex Connect supports ON/OFF or dimmable lighting schedules for LED, CFL, and incandescent lights.
- Is there a manual override? Models with knobs and switches support physical overrides. All versions include software-based override settings via the menu.
- How big are the units? Full-size: 14.9 x 22 x 7.1 in (37.8 x 55.9 x 18 cm). Mini: 14.9 x 11 x 7.1 in (28 x 37.8 x 18 cm).
- How long is analytics data stored? Web-connected units store data long-term in the cloud. Local-only units store up to 90 days of data, which can be saved or printed as needed.
If you’re looking to upgrade your approach to barn temperature control or need a smarter way to manage livestock environments, this system delivers. The AutoFlex Connect III supports long-term operational success through adaptable, intelligent technology.
Click here to learn how the Phason AutoFlex Connect system can improve your barn’s performance.