... many running mode:cooling,heating,cooling/heating+hot water,hot water only. Water Source Heat Pump multi-function typeCooling Capacity 4 ... requirements of clients.1, Cooling,2, heating, 3, hot water only,4, cooling+hot water(partial heat recovery),5, cooling+ ... user side is complete also with expansion vessel, water pump and water flow switch.ELECTRIC PANELconsists of:Compressor contactor,Compressor ...