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Naturally cooled air-cooled chiller

In low ambient temperatures, the unit can use natural cold sources for cooling, reducing or completely avoiding the operation of the compressor, thus significantly reducing energy consumption. For example, during the transition seasons and winter, when the outdoor temperature reaches certain conditions, the natural cooling system starts to work, sharing the refrigeration load, and the energy saving effect is significant. Compared with traditional air-cooled screw chillers, the natural cooling function can effectively reduce operating costs.

Cooling capacity range: 90KW to 2100KW
Temperature control range: 5℃ to 30℃
Temperature control accuracy: ±1℃
Optional refrigerants: R22, R407C, R134a
Installation environment: Outdoor installation
Non-standard customization: Explosion-proof type, corrosion-resistant type
Optional: MODBUS RTU protocol RS485 remote communication, energy-saving frequency conversion

Category:

Medium temperature series

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Naturally cooled air-cooled screw chillers have the following characteristics and advantages:

1. Energy-efficient:

Natural cooling function saves energy: In environments with lower temperatures, the unit can utilize natural cold sources for cooling, reducing or completely avoiding compressor operation and thus significantly reducing energy consumption. For example, during the transition seasons and winter, when the outdoor temperature reaches a certain condition, the natural cooling system starts working, sharing the refrigeration load, and achieving significant energy saving effects. Compared with traditional air-cooled screw chillers, the natural cooling function effectively reduces operating costs.
High efficiency of screw compressor: Screw compressors have high volumetric efficiency and energy conversion efficiency, and can provide a large amount of refrigeration while consuming less energy. Its operation is stable and can adapt to different load changes, maintaining high efficiency even during partial load operation.

2. Reliable and stable operation:

Adaptable to various environmental conditions: It has a wide range of adaptability to environmental temperature and humidity, and can operate stably in both high-temperature summer and low-temperature winter. In summer, mechanical refrigeration by the compressor can meet the refrigeration needs; in the transition seasons and winter, it can switch to natural cooling mode, making full use of natural cold sources.
Simple structure and easy maintenance: The unit has a relatively simple structure, without a complex water system (such as a cooling tower, cooling water pump, etc.), reducing system failure points and maintenance workload. The air-cooled condenser is not prone to scaling, and the maintenance cost is low, only requiring regular cleaning and inspection of the condenser.
Intelligent control system ensures operation: Equipped with an advanced intelligent control system, it can monitor the operation status of the unit in real time, automatically adjust the operation mode and parameters according to environmental temperature, load changes, etc., to ensure that the unit is always in the best operating state. At the same time, the intelligent control system also has fault diagnosis and alarm functions, facilitating timely discovery and resolution of problems.

3. Flexible and easy installation:

No cooling water system required: Unlike water-cooled chillers, which require the construction of complex cooling water systems and supporting facilities, naturally cooled air-cooled screw chillers only need to be connected to the power supply and chilled water pipelines to operate, saving installation space and construction costs. It has great advantages for places with water shortages or where it is inconvenient to build water systems.
Can be installed outdoors: The unit can be installed outdoors, such as on rooftops, on the ground, etc., without being restricted by the internal space of the building. In addition, its shell has good protective performance and can withstand harsh external environments, such as wind, rain, and dust.

4. Environmentally friendly:

Environmentally friendly refrigerant used: Uses environmentally friendly refrigerants with low ozone depletion potential and meets environmental protection requirements. At the same time, it does not produce wastewater, waste residue, or other pollutants during operation, and is environmentally friendly.
Reduced energy consumption indirectly protects the environment: The natural cooling function reduces the operating time of the compressor, reducing energy consumption, thereby reducing carbon dioxide emissions from power plants, and having a positive impact on environmental protection.
Wide range of applications: It can be widely used in data centers, electronic equipment rooms, industrial production, commercial buildings, and other places, providing reliable cold sources for various scenarios that require refrigeration. For example, data centers require uninterrupted refrigeration throughout the year, and naturally cooled air-cooled screw chillers can reduce operating costs and energy consumption while ensuring refrigeration efficiency.