Explore our high-efficiency air cooled scroll chillers engineered for superior performance and energy savings

1.What is an air cooled scroll chiller？

Hisurp China air cooled scroll chiller utilizes ambient air and high-efficiency hermetic scroll compressors to cool water, glycol and other heat transfer fluids. With compact modular structure, simple installation and no need for cooling towers, it serves as a cost-effective solution for diverse small and medium commercial and industrial cooling scenarios.

2. How does an air cooled scroll chiller work？

The high-quality air cooled scroll chiller manufactured by Hisurp factory operates based on the mature and efficient vapor compression refrigeration cycle, realizing continuous and stable fluid cooling for commercial and industrial scenarios. The whole working process consists of four core stages: compression, condensation, throttling and evaporation, with every component cooperating efficiently to ensure reliable cooling performance.

Firstly, the built-in hermetic scroll compressor sucks low-temperature and low-pressure refrigerant gas from the evaporator, compresses it into high-temperature and high-pressure gaseous refrigerant, which lays the foundation for heat exchange. Secondly, the high-pressure refrigerant flows into the air-cooled condenser, where the ambient air driven by axial fans takes away the heat of the refrigerant, cooling it down and turning it into high-pressure liquid refrigerant. Different from water-cooled chillers, this air-cooled structure requires no cooling tower, saving installation space and operation costs greatly.

Then, the liquid refrigerant passes through the throttling device, where the pressure and temperature drop sharply to form low-pressure low-temperature gas-liquid mixture. Finally, the mixed refrigerant enters the evaporator and fully absorbs heat from circulating water or glycol fluid, cooling the fluid to the set temperature for production and equipment cooling. After heat absorption, the refrigerant turns into gas again and returns to the compressor to start a new cycle. As a professional device from Hisurp factory, this air cooled scroll chiller features compact structure, low noise and high energy efficiency, adapting perfectly to small and medium-sized industrial and commercial cooling demands.

3. What's the difference Between Air Cooled Scroll Chiller and Air Cooled Screw Chiller

Many users will confuse air cooled scroll chiller and air cooled screw chiller in equipment selection. Although both belong to air-cooled industrial chillers and adopt air heat dissipation, they have essential differences in core structure, working principle, cooling capacity range, operating performance, and applicable scenarios. Understanding the differences can help users select the most suitable cooling equipment accurately.

3.1 Core Compressor Structure & Working Principle Difference

The core difference between the two chillers lies in the compressor structure and compression mode. The air cooled scroll chiller relies on the orbital motion of dynamic and static scroll disks to compress refrigerant gas. The compression process is continuous and stable, with small torque fluctuation, no impact vibration, and extremely low operating noise. The overall structure of the scroll compressor is simple, with fewer wearing parts, and the failure rate is greatly reduced.

In contrast, the air cooled screw chiller adopts twin-screw compressors composed of male and female helical rotors. The two rotors mesh with each other and rotate at high speed, squeezing the refrigerant gas through the volume change of the tooth groove to complete compression. The screw compressor has a complex structure, high machining precision requirements for rotor parts, and more wearing parts. Although it can support high-load continuous operation, its operating vibration and noise are slightly higher than those of scroll compressors.

3.2 Cooling Capacity & Operating Efficiency Difference

In terms of cooling capacity, the air cooled scroll chiller is positioned for medium and small cooling loads, with a single-unit cooling capacity generally ranging from 3HP to 200HP. It has excellent part-load operating efficiency. In daily operation, most scenarios do not need full-load cooling. The scroll compressor can adjust the operating state in real time according to the load, with low energy consumption in low-load operation and high comprehensive energy-saving efficiency.

The air cooled screw chiller is oriented to high-power and large-load cooling demands, with a single-unit cooling capacity starting from 200HP, which can meet the cooling needs of large industrial plants, large commercial complexes, and district central cooling projects. Its advantage lies in full-load high-efficiency operation, and it can operate stably for 24 hours under high load. However, the energy consumption of screw chillers is higher when running under low load for a long time, and the part-load efficiency is inferior to that of scroll chillers.

3.3 Installation, Maintenance & Cost Difference

Hisurp air cooled scroll chiller has a compact integrated structure, with all core components installed in the unit body. It has the advantages of small floor area, no need for cooling tower supporting facilities, simple on-site installation, and short commissioning cycle. In terms of later maintenance, due to the simple structure of the scroll compressor and fewer vulnerable parts, the daily maintenance is only regular cleaning of the condenser and filter screen, with low maintenance cost and simple operation, suitable for long-term unattended operation.

The air cooled screw chiller has a large unit volume, heavy weight, and high requirements for on-site installation foundation and space. Its internal structure is complex, with precise rotor parts and oil circulation systems, requiring professional technicians for regular maintenance, oil replacement, and precision detection. The initial purchase cost and later operation and maintenance cost of the equipment are much higher than those of scroll chillers.

3.4 Applicable Scenario Difference

The air cooled scroll chiller is widely used in small and medium-sized scenarios such as commercial building central air conditioning, office building cooling, hotel constant temperature, pharmaceutical workshop, food processing, plastic injection molding, and electronic equipment cooling. It is the best choice for users with medium and small cooling load, limited budget, and simple maintenance conditions.

The air cooled screw chiller is mainly used in large industrial scenarios with high cooling demand and long-term full-load operation, such as large chemical plants, new energy material factories, large shopping malls, airport terminal buildings, and industrial park central cooling systems.

4.Response and Service Response Mechanism

-Rapid Response: Establish an after-sales service group to ensure a response within 2 hours of receiving a repair request.

-Tiered handling: Differentiate between general faults and major faults. For general faults, refer to the instruction manual; for faults caused by quality issues, arrange for local repair personnel to arrive on-site on the same day; or promptly arrange for personnel to provide remote guidance for repair. For major faults, personnel will be arranged to go to the site within 2 days.