First, the cause of compressor load analysis of chiller maintenance 1:
When the solenoid valve SV3 is activated by the temperature controller, the SV1 is turned off by the power failure, and the high pressure oil coming out of the fuel tank flows into the piston cylinder, pushing the piston to the right to move to the right when moving to 50% or 66% due to the high pressure oil The oil discharge hole is returned to the suction port through the SV3, so the piston stops moving at this position, and the compression is maintained at a 50% load state. Talk about the experience of chiller product maintenance.
The problem of 50% to 75% load in the screw chiller is as described above. It is a very common problem for the company to have such problems during the chiller maintenance process, so we need to be in the chiller. Good inspection of the equipment before maintenance, which is conducive to the good operation of the equipment operation and maintenance. Second, the compressor load analysis of chiller maintenance 2:
When the solenoid valve SV2 is activated, the electromagnetic SV3 is turned off by the power failure, and the high oil pressure pushes the piston to continue to move to the left. When moving to 75%, since the high pressure oil is returned from the oil discharge hole through the SV2 to the suction port, the piston is at this position. The operation was stopped and the compressor was kept at 75%. When it appears, we need to test the device. Http://news.chinawj.com.cn
Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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