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Air-cooled screw chiller (heat pump) unit

Using a screw compressor, it has high volumetric efficiency and energy conversion efficiency. Its unique rotor structure and operating principle can provide a large amount of refrigeration (heat) while consuming less electricity. Compared with other types of compressors, its energy efficiency is outstanding.

Cooling capacity range: 90KW to 2100KW Temperature control range: 5℃ to 60℃
Temperature control accuracy: ±1℃ Refrigerant options: 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  

 

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Medium temperature series

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The main features and advantages of air-cooled screw chiller (heat pump) units are as follows:

1. High efficiency and energy saving:

  • High efficiency of screw compressor: Using a screw compressor, it has high volumetric efficiency and energy conversion efficiency. Its unique rotor structure and working principle can provide a large amount of refrigeration (heat) while consuming less electricity. Compared with other types of compressors, its energy efficiency is outstanding.
  • Flexible energy regulation: It can achieve multi-stage or stepless energy regulation, and can automatically adjust the output power according to the actual load demand. It can still maintain high efficiency during partial load operation, effectively reducing operating energy consumption and meeting energy needs under different operating conditions.

 

2. Convenient installation and use:

  • Simple installation: The unit has a compact structure, small footprint, and relatively simple piping design. It does not require an additional water cooling system, such as a cooling tower, cooling water pump, and complex water pipes, etc., only external water pipes are needed, which greatly reduces the difficulty and complexity of installation.
  • Flexible use: It can be installed on the ground outdoors or in other well-ventilated places, without being restricted by the internal space of the building. It is especially suitable for places without a dedicated machine room or limited space. And the unit can be modularly combined according to actual needs to meet the refrigeration (heat) needs of different scales3.

 

3. Stable and reliable operation:

  • Reliable compressor performance: The screw compressor has a strong structure, high matching accuracy between running parts, good sealing and stability, and can ensure long-term stable operation, reducing losses caused by equipment failure.
  • Perfect system protection: Equipped with various safety protection devices, such as high and low pressure protection, exhaust overheating protection, compressor motor overheating protection, overload current protection, water flow protection, etc., to ensure that the unit can shut down in time under various abnormal conditions to protect the unit and personnel safety.

 

4. Wide range of applications:

  • Strong climate adaptability: The air-cooled design makes it not restricted by water source conditions, and it can be used normally in areas with water shortage or poor water quality. It can stably provide refrigeration or heating services whether in hot summer or cold winter, and is suitable for different climatic environments.
  • Diverse application scenarios: It can be widely used in the air conditioning systems of various industrial and civil buildings such as hotels, restaurants, shopping malls, schools, hospitals, offices, and factories, as well as places that require hot and cold water supply, such as swimming pools and hot spring bathhouses.

 

5. Low maintenance cost:

  • Simple system: Compared with water-cooled systems, the air-cooled screw chiller (heat pump) unit has a relatively simple system structure and no complex water system, reducing the workload and difficulty of maintenance.
  • Durable components: The use of high-quality materials and advanced manufacturing processes makes the unit components have good wear resistance and corrosion resistance, long service life, and reduces the frequency and cost of component replacement.

 

6. Intelligent control:

  • Easy operation: Equipped with an advanced control system, the human-machine interface is friendly and the operation is intuitive and simple. Users can easily set and adjust the operating parameters of the unit and monitor the operating status of the unit in real time.
  • Remote monitoring: Some units also support remote monitoring functions. Users can view the operation of the unit anytime and anywhere through the network, making it easy to find and solve problems in time, improving management efficiency.

 

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