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. It relies primarily on its built-in fan for heat dissipation, eliminating the need for additional cooling equipment. This makes it highly efficient and easy to install, which is why it has become a popular choice among users. As one of the leading chillers offered by Dongyuejin Chiller Plant, the air-cooled chiller is known for its reliability and performance in industrial applications.
The efficiency of an air-cooled chiller depends not only on the quality of its main components but also on the overall condition of the refrigeration system. Even a small amount of air in the system can significantly affect the unit’s operation. Air may enter the system during improper charging, failure to evacuate the system before filling, or due to leaks in the low-pressure side. If not addressed, this can lead to several serious issues.
When air enters the refrigeration system, it acts as a non-condensable gas, causing the following six major problems:
1. **Increased Condensing Pressure**: Air occupies space in the condenser and contributes to higher pressure, which reduces system efficiency.
2. **Reduced Heat Transfer Efficiency**: The presence of air hinders effective heat dissipation, increasing the condensing temperature and reducing cooling capacity.
3. **Corrosion of Components**: Moisture from the air can lead to corrosion within the system, damaging pipes and other internal parts.
4. **Lower Cooling Efficiency**: Higher condensing pressure and increased power consumption reduce the overall cooling effectiveness of the system.
5. **Higher Discharge Temperature**: Excess heat from the condenser can raise the compressor discharge temperature, risking damage to lubricating oil and potentially causing system failure.
6. **Ice Blockage Risk**: When moisture accumulates in the system, it can freeze and block the expansion valve, disrupting the refrigeration cycle.
Air contamination, whether in large-scale systems or smaller units, can have severe consequences. Therefore, it is essential to detect and remove air promptly. At Dongyuejin Chiller Plant, every unit undergoes 100% performance testing before leaving the factory. We ensure proper refrigerant and lubricant levels are maintained, so the system meets all required standards and delivers optimal cooling performance.
This article was originally published by Shenzhen Dongyuejin Refrigeration. Please cite the original source: http://
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