Sanhua International Europe at Chillventa 2026

Sanhua International Europe and Reftronix have jointly developed an integrated control system for carbon dioxide condensing units. The electronic hardware and software package provides advanced safety and operational management features for commercial refrigeration and industrial automation infrastructure.

Collaborative Development and Operational Challenges
Commercial refrigeration systems transitioning to carbon dioxide (R744) require precise pressure and temperature management due to high operating pressures. Developing stable control systems traditionally demands specialized programming and custom hardware integration, which increases engineering overhead and deployment timelines.

To address these complexities, Sanhua International Europe combined its refrigeration component portfolio with the electronic control architecture of Reftronix. This cooperation provides system designers with a pre-configured, standardized package that eliminates the need for bespoke programming while maintaining system flexibility and robustness.

Technical Architecture and System Functions
The jointly developed controller operates as the primary management interface for carbon dioxide condensing units. The system integrates electronic expansion valve control, compressor speed modulation via inverter drives, and gas cooler fan regulation into a single automated platform.

The embedded control logic continuously monitors critical safety parameters, including high-pressure thresholds and temperature differentials, safeguarding the system during subcritical and transcritical operational phases. Standardized communication interfaces allow the unit to connect directly with sensor networks and supervisory industrial automation systems, facilitating remote diagnostics and continuous data logging.

Industrial Applications and Deployment
The controller is designed for commercial refrigeration infrastructure, decentralized cold storage facilities, and food retail refrigerated cabinets utilizing natural refrigerants. By standardizing the control algorithms, the solution ensures process stability and predictable system behavior across varied operational profiles.

The integrated control package will be demonstrated at the Chillventa 2026 trade show in Nuremberg, Germany, from October 13 to 15, 2026. The display will showcase the controller interacting with high-pressure line components and brazed plate heat exchangers to verify its functional integration and efficiency in real-world configurations.

Edited by Evgeny Churilov, Induportals Media - Adapted by AI.

www.sanhuaeurope.com