... water pumps. NAKF30 SpecificationsMain function:Split Installation:The main electrical control box can be placed on the unit, the display ... Large panel LCD display;Humidity display, Refrigeration, Defrost,Cooling Fan control, Optional installation of water pumps;Crankshaft heating;Compressor overload, ... ,7.5KW,10.5KW (About 8Ph,10Ph,15Ph) Electric Control Box NAKF30 Small body size for room saving.