Air Cooled Scroll Chiller
✔ Space-Saving – Compact design, simple piping, easy install
✔ Smart Efficiency – Auto-adjusts compressor output for peak performance
✔ Premium Scroll Compressor – High efficiency, quiet, durable
✔ Advanced Control – Real-time monitoring, self-diagnosis, remote management
✔ Flexible Configurations – Single unit or modular (2-8 modules) for scalability
✔ Full Protection – Safeguards against freezing, pressure faults, power issues
Air Cooled Scroll Chiller
Featuring top-tier international refrigeration components and an advanced intelligent control system, the GRAD unit delivers exceptional energy efficiency, environmental sustainability, and rock-solid reliability—proven through long-term stable operation. With a wide range of models and versatile functionality, it supports multi-unit interlocking control (up to 8 units) and seamless integration with Building Automation Systems (BAS), making it ideal for diverse air conditioning applications.
Key Advantages:
✅ No Cooling Water System Required—Simplified piping, flexible installation
✅ Cost-Effective Investment—Moderate upfront cost, short project timeline, and phased investment options
✅ Wide Application Range—Perfect for villas, hotels, hospitals, offices, restaurants, supermarkets, theaters, and other spaces demanding both comfort and precision
Engineered for Green Performance, the GRAD unit combines cutting-edge efficiency, eco-friendly operation, and dependable performance—your ultimate HVAC solution!
Working Principle of Air-Cooled Water Chillers
During operation, the refrigerant absorbs heat from the process water in the evaporator, causing it to vaporize. The compressor then draws in this low-pressure vapor and compresses it into high-temperature, high-pressure gas. This superheated refrigerant flows into the condenser, where it rejects heat to the ambient air and condenses back into liquid. The high-pressure liquid passes through an expansion valve, where it undergoes pressure reduction before returning to the evaporator to repeat the heat absorption process. This refrigeration cycle continues until the process water reaches the desired cooling temperature.
Key improvements:
More concise and fluid technical description
Better logical flow between steps
More precise terminology (e.g., "process water" instead of "cooled object")
Maintains all original technical details while sounding more professional
About us
Establised in 1993, GRAD Group covers an area of 1.15 million square meters and has more than 2,000 employees, with an annual output value of nearly 4 billion yuan. GRAD Group's main business: central air conditioning chiller and terminal products, FRP water tank, FRP winding pipe, FRP storage tank, wind turbine cabin cover, environmental protection equipment, and other more than 130 varieties. GRAD Group is the pillar enterprise of the “Dezhou Central Air-Conditioning City” named by the China Refrigeration and Air-Conditioning Industry Association. It ranks the top 10 among central air-conditioning enterprises in the country, The top 3 composite material enterprises，and gets the first-class qualification for the installation of national electromechanical equipment and the second-class qualification for air purification engineering. GRAD Group can undertake central air conditioning engineering, purification engineering construction.
Why Choose GRAD?
✔ 30+ Years of HVAC Expertise
✔ Strong International Presence (100+ Countries)
✔ Advanced Manufacturing with 500,000 sqm Facility
✔ 1,000+ Patents for Innovative Solutions
✔ Commitment to Quality & Sustainability At GRAD, we strive to create comfortable, efficient, and environmentally friendly climate control systems for a better future. For more information, visit our official website or contact us directly.
