High/low pressure protection for the compressor and overheating protecttion inside the machine Low water level alarm and low water temperature alarm and low water temperature alarm Imported compressor from Europe,US and Japan(Hanbell Refcomp) Refrigerating system welded with oxygen free method ,to reduce oxides and ensure the smooth surface Throttle components fromAlco(US)and Danfoss(Denmark) Electromagnetic valve filter adopt from Danfoss(Denmark) Stainless plate,coil,shell and tube or fin type efficient hent exchanger RS485 communication function,to realize automatic management(optional) Electrical devices supplied from OMRON,FUJI.TE.LG.MOELLER,and SCHNEIDER Control mode: imported micro-computer or PLC(optional) Perfect safety protection, failure display, and not requiring professional personnel for maintenance Highly efficient evaporator and condenser , to save over 30% energy Temperature controlled5-35℃:precision controlled ±2℃