An air-cooled chiller is a refrigeration system that integrates key components such as a compressor, evaporator, condenser, expansion valve, water tank, water pump, and an electrical control system. Unlike other cooling systems that may require additional auxiliary equipment, an air-cooled chiller primarily relies on its built-in fan to dissipate heat, making it simple to install and highly efficient. This type of chiller, especially the industrial-grade models, has become very popular among users due to its reliability and ease of use. It is one of the most sought-after products at Dongyuejin Chiller Plant.
The performance of an air-cooled chiller is not only determined by its main components but also by the overall condition of the refrigeration system. Even a small amount of air in the system can significantly impact the unit's operation. Air can enter the system during improper refrigerant charging, failure to evacuate the system before filling, or when the low-pressure side operates under negative pressure. Improper maintenance or usage can also introduce air into the system.
Once air enters the refrigeration system, it can cause several serious issues:
1. **Increased Condensing Pressure**: Air occupies space in the condenser and contributes to the total pressure, leading to higher condensing pressure.
2. **Reduced Heat Transfer Efficiency**: Air accumulation in certain areas of the condenser hinders heat dissipation, which increases the condensing temperature.
3. **Corrosion of Pipes and Equipment**: The presence of moisture along with air can lead to internal corrosion within the system.
4. **Lower Cooling Efficiency**: Higher condensing pressure reduces the compressor’s gas handling capacity, increasing energy consumption and decreasing overall efficiency.
5. **Higher Compressor Discharge Temperature**: Excess heat can cause lubricating oil to break down, potentially leading to system failure.
6. **Ice Blockage Risk**: If moisture accumulates in the system, it may form ice blockages, disrupting the refrigeration cycle.
Whether in large or small refrigeration systems, the presence of air can be harmful. If air is detected in the system, prompt action is necessary to prevent damage. To ensure optimal performance, Dongyuejin Chiller Plant conducts 100% performance testing on all units before they leave the factory. They also replenish refrigerants and lubricants to guarantee sufficient cooling capacity and compliance with industry standards.
This article was originally published by Shenzhen Dongyuejin Refrigeration. Please credit the original source: http://
![风冷冷水机]( "Air cooled chiller")
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