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It's hot, how to fix the chiller repair

Release time: 2019-06-24 14:31:38

As the weather gradually warmed, the chiller began to operate in some specific factories. However, after the chiller is left for a period of time, various problems may occur after it is used again. Then what should be done to restore the normal use of the chiller without delaying life and work, and what is described in this article are Professional knowledge, if you haven't studied chiller, you can also take this opportunity to take a closer look.

1. When the high and low pressure of the chiller are higher than the normal pressure, one reason is that there is excess air or refrigerant in the system. At this time, the vacuum needs to be evacuated again, and the appropriate amount of refrigerant can be added to solve the problem. There is also a case of poor heat dissipation, especially when the ambient temperature is relatively high, which will often lead to worse heat dissipation. The cause of this failure is generally blocked heat sinks, dirty, insufficient cooling fan speed, etc. Try cleaning.

2. When the high and low pressures of the chiller are lower than normal pressure, one reason may be that the refrigeration system is blocked, throttling occurs in the blocked part, and there will be a significant temperature difference in the throttled part. problem. Another reason is that the refrigerant leaks, resulting in insufficient refrigerant. This situation is more common. At this time, the chiller detector must be used to identify the leaked part and repair it.

3. When the high pressure of the chiller is low and the low pressure is too high, the chiller refrigeration will never achieve normal results. The reason is likely to be abrasion in the chiller pump, resulting in a decrease in power. At this time, the compressor needs to be replaced.

4. When the chiller is working, the pressure gauge trembles, indicating that there is moisture in the system. At this time, the vacuum needs to be evacuated again. The pumping time is not less than one quarter of an hour. If necessary, it is better to change the drying filter to completely remove the moisture in the refrigeration system.


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