for Screw Compressor Controller - Efficient step/stepless control, convenience for operation and inspection - One-touch setup function (Choosing the maker -> Automatic setup according to their basic spec.) (Bitzer, Hitachi, Refcomp, Fusheng, Hanbell, Mitsubishi, Roltec, Kobe) - Strong timer function (Step delay, Start delay, Auto-stop delay, Restart delay, Pump down delay) - Temperature control, Pressure control (Input temperature, Output temperature, Intake pressure control, Discharge gas temperature control and observation) ㅁModel - DX200 : 1 Cycle Screw Compressor Controller - DX220 : 1~2 Cycle Screw Compressor Controller - DX240 : 1~4 Cycle Screw Compressor Controller - DX270 : 1 Cycle Screw Compressor Controller (Step Control) - DX200H : 1 Cycle Screw Heat Pump Compressor Controller - DX220H : 1~2 Cycle Screw Heat Pump Compressor Controller