... 4.5-75kw,changed freely from many running mode:cooling,heating,cooling/heating+hot water,hot water only. Water Source Heat Pump ... recovery),5, cooling+more hot water(total heat recovery) 6, Heating+hot water(partial heat recovery)Refrigerant:R407C, R410a, R290, R134a ... . The unit is fully Supply the cooling/heating water into indoor for cooling/heating. The units are factory tested and will complete the ...