Set Free Sigma outdoor units deliver superior performance, maximum installation flexibility, and ease of maintenance, supported by robust compact cabinets and advanced compressor control technology.
Technical Highlights
- High efficiency: EER up to 4.5 and COP up to 4.9, enabling precise temperature control and significant energy savings.
- Wide operating range: Designed to operate reliably across extended ambient temperature conditions with increased indoor unit combinations.
- Harsh-environment durability: Reinforced modular cabinet with an emergency backup system that redistributes load in case of unit failure (8–24 HP per module, up to 96 HP standalone).
- Advanced compressor technology: DC Inverter Scroll Compressor with ultra-precise 0.1Hz control and a wide operating range from 11Hz to 110Hz.
- Enhanced heat transfer: Σ-shaped heat exchanger increases surface area by over 10% for improved efficiency.
- Optimized airflow: Over 40% larger air outlet area reduces shaft energy consumption by up to 20%, ensuring quieter and more efficient operation.