PTA UK Delivers 800 kW Multi‑Circuit Frigosystem Chiller Installation

PTA UK has successfully delivered the supply and installation of an 800 kW multi-circuit air-cooled chiller, designed to provide high-efficiency cooling with maximum operational reliability. The system was selected to meet significant cooling demands while optimising energy performance and ensuring business continuity.

The Solution

At the heart of the installation is a high-performance unit manufactured by Frigosystem. The chiller incorporates a multi-circuit design with six compressors, enabling precise capacity control and enhanced system resilience.

This configuration allows the system to dynamically match cooling output to real-time demand, delivering efficient operation across varying load conditions.

Key Features & Benefits

• 800 kW Cooling Capacity- Designed to handle large-scale cooling requirements for industrial or commercial applications.
• Six-Stage Compressor Control- Multiple compressors allow staged operation, significantly improving part-load efficiency and reducing energy consumption.
• Energy Optimisation- By only running the compressors required at any given time, the system avoids unnecessary power usage and lowers operating costs.
• Built-In Redundancy- The multi-circuit design ensures continued operation even in the event of a compressor fault, maintaining critical cooling processes.
• Air-Cooled Configuration- Eliminates the need for cooling towers, reducing water usage, maintenance, and overall system complexity.

Installation Scope

The PTA UK team managed the full project lifecycle, including:

• Equipment supply and logistics
• Positioning and installation of the chiller unit
• Integration with existing services
• Electrical and mechanical connections
• Testing, commissioning, and performance verification

The unit was installed externally, optimising plant room space and allowing straightforward access for ongoing maintenance.

Outcome

The completed installation delivers a robust and energy-efficient cooling solution capable of adapting to fluctuating demand. The staged compressor arrangement ensures optimal performance at both full and partial loads, resulting in reduced energy costs and increased system longevity.

The client now benefits from a reliable, high-capacity cooling system designed for long-term operational efficiency and resilience.

Conclusion

This project highlights the advantages of multi-circuit chiller technology in modern cooling applications. By combining high capacity with intelligent compressor staging, the solution achieves both performance and efficiency, making it ideal for demanding environments where reliability is critical.

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