... ,Cooling :2.56-44kw Heating :2.73-47kw water source heat pump(water loop heat pump,3-44kw)FEATURESTRUCTUREPanels and frame are made from ... Low noise, Protection level IP44. WATER SIDE HEAT EXCHANGER: REFRIGERANT CIRCUITCopper tube connection with charge valves, filter, capillary for mod. 10÷150 ...