... many running mode:cooling,heating,cooling/heating+hot water,hot water only. Water Source Heat Pump multi-function typeCooling Capacity 4 ... thermostatic expansion valve (capillary for mod. 4.5-14), gas-liquid separator, high pressure switch and low pressure switch.The ... side is complete also with expansion vessel, water pump and water flow switch.ELECTRIC PANELconsists of:Compressor contactor,Compressor ...