High and low temperature test chamber compressor memorized refrigeration mouth leek to become elite
Do you still have difficulty in judging the failure of the high and low temperature test chamber refrigeration system? Here, you can share the low-temperature test chamber refrigeration system fault simple and easy to remember. 1. Low pressure, high pressure and low pressure, replace the compressor. 2. The pressure should be high, or there is a problem with heat dissipation. 3. The metering system has water vapor and the pumping must be more thorough. 4. The pressure is double low and the refrigerant is deficient, otherwise the system will be closed. The meaning of the mouth: 1. When the pressure gauge is used to detect that the low pressure of the high and low temperature test chamber refrigeration system is higher than normal, and the high pressure is lower than normal, the common cause of the fault is the wear inside the pump, resulting in a decrease in power. At this time, it is often necessary to replace the compressor to solve the problem. 2. When it is detected that the system high and low pressure are higher than normal, the common fault is usually that the system has air or the refrigerant is excessively added. At this time, it is necessary to re-vacuate, and then add an appropriate amount of refrigerant to solve the problem. 3. When the high and low temperature test chamber refrigeration system is working, if the pressure gauge needle keeps shaking, the system has moisture. To solve this problem, it is generally necessary to re-vacuate and the pumping time must be no less than 15 minutes. 4. When the high and low pressure are low, there are two possibilities: one is the system is blocked, when the system is blocked, the blocked part will be throttled, the throttle part will have obvious temperature difference, and the problem can be found by hand. Another possibility is that the refrigerant leaks, resulting in insufficient refrigerant.
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