Coolnet fluorine pump series dual-cycle refrigerant system is a high-efficiency and energy-saving precision air conditioner. it provides precise temperature and humidity control for large and medium-size data rooms. Dual cycle system makes full use of outdoor natural cold sources and uses a set of refrigeration systems to achieve three refrigeration modes, It adopts high efficiency compressor and EC centrifugal fan to meet the requirements of 24 X 7 all weather continuous operation.