Regular maintenance work for the low-temperature chiller, while troubleshooting the refrigeration system of the low-temperature chiller is also very important. Here is a brief introduction to some low-temperature chiller refrigeration system failure tips for your reference!
1. Exhaust air at double high pressure, heat dissipation may be problematic.
When it is detected that the high and low pressure of the system are higher than normal, it is generally because there is air in the system or excessive refrigerant is added. At this time, it is necessary to re-evacuate and add proper amount of refrigerant to solve the problem. However, there is another situation, that is, poor heat dissipation, especially when the ambient temperature is relatively high, which often results in worse heat dissipation. The cause of this failure is generally that the heat sink is blocked, dirty, and the cooling fan speed is not enough.
2. The pressure is double low loss refrigerant, otherwise the system will be shut down.
When the high and low pressures are both low, there are two possibilities: industrial chillers
(1). The system is blocked, the blocked part will produce throttling, and the throttling part will have a significant temperature difference. You can find the problem by feeling it with your hands.
(2) The leakage of refrigerant leads to insufficient refrigerant. This situation is more common. At this time, a low-temperature chiller detector must be used to find out the leaking location and perform replacement.
3. Replace the compressor with low pressure, high pressure and low pressure.
When the low pressure of the low temperature chiller system is higher than normal by the low temperature chiller pressure gauge, and the high pressure is lower than normal, the chiller refrigeration at this time absolutely cannot achieve the effect of the normal low temperature chiller. The reason is likely to be abrasion in the pump of the low-temperature chiller, resulting in a decrease in power. At this time, it is often necessary to replace the compressor to solve the problem.
4. The meter shake system has water vapor, so the evacuation must be more thorough.
When the low-temperature chiller system is working, if the pressure gauge needle keeps shaking, it means that the system has moisture. To solve this problem, it is generally necessary to re-evacuate, and the pumping time must be no less than 15 minutes. If necessary, it is necessary to replace the drying bottle to completely drain the water in the system.
Nanjing RICOM Refrigeration Equipment Co., Ltd. is a manufacturer specializing in industrial temperature control technology for 20 years. It implements modern quality management system S09001: 2008 and environmental system IS014001: 2004 standards to ensure that the enterprise team continues to be in the technical field Innovation, focus on customer use and satisfaction, unanimously recognized by the industry and customers.
