... of Tower A and Tower B, and the work of compressor, according to the preset parameter. It is characterized with complete ... valves, 1 signal for alarm, 1 for fan, 3 for compressor energize, 1 for drain, Shell size215*145*105 About out ... both in domestic and international market. XJK-LX2.1 heatless compressor air dryer & refrigerated air dryer controller