Some parts may age over time due to the increase of high and low temperature test chambers. If the repairs are not made in time, the high and low temperature test chambers may not work properly. Therefore, when there are some minor problems in the high and low temperature test chamber, do not underestimate it. It is often necessary to take professional diagnostic techniques to analyze the root cause of the fault.
The refrigeration compressor of the high and low temperature test chamber is fully enclosed and is the power to keep the refrigerant circulating. If the suction and exhaust pipes of the test chamber refrigeration compressor are broken or there are small pore leaks, the intake or exhaust of the system will be reduced, the running time of the refrigeration compressor will be prolonged, the frosting of the evaporator will be incomplete or not frosted, and the refrigeration purpose will not be achieved. . Therefore, pay attention to the integrity of the piping of the refrigeration system during use.
When the suction pipe of the high and low temperature test chamber compressor is slightly leaky due to welding or collision, it is not easy to find with soapy water, and it can be inspected by water immersion method.
The specific method is: block the high and low pipelines of the compressor, inject the nitrogen pressure test tube into the process tube, and then immerse the compressor in the water, and observe that there are no bubbles appearing. If there is blisters, it indicates leakage. Perform a water immersion test to find the compressor at the leak, re-weld the leak, and dry it for 4 hours to reuse it.
The refrigeration system is a very important part of the high and low temperature test chamber. Therefore, it is necessary to pay attention to the maintenance of it. It is not necessary to wait until the high and low temperature test box has problems.
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