Problems with slide valve regulation in screw compressors
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According to this manual for Dalian refrigeration screw compressors, the internal volume ratio can be adjusted only after the internal volume control valve makes contact with the energy control valve. Can it be understood that the internal volume ratio can be adjusted only when the load reaches 100%, that is, at full capacity? Please have an expert analyze this
Generally, the volume control spool starts to be adjusted when it reaches around 80%.