... measures inside such as cut-of of water flow, low temperature, high pressure and low pressure, anti-freezing, lack-phase, ... Low Voltage Switch, Exhausting Overheat Protection, Fusible Plug, Anti-freezing Temperature Controller, Compressor Heat Protector, Overcurrent Relay, Phase Sequence Protector, Lack ... in/ outInch6Inch5+5Machine WeightKg4000Running WeightKg5100 PC-280WSCD screw compressor chiller