Parameter Refrigerating capacity: 2.77kw to 177.6kw Power supply: 3ph ~ 220v/200v/380v/415v ~ 50hz/60hz Refrigerant: r407c Compressor: hermetic scroll type Power of compressor: 0.89kw to 22*2kw Condenser: shell-and-tube type / copper-tube and the aluminum fin Evaporator: water tank with coil tube Capacity of the water tank: 20l to 620l Power of water pump:0.37kw to 3kw Refrigerated water temperature range:5 deg. C to 35 deg. C; temperature difference of inlet and outlet refrigerated water is from 3 deg. C to 8 deg. C. Cooled water temperature range: 18 deg. C to 35 deg. C; temperature difference of inlet and outlet cooled water is from 3.5 deg. C to 10 deg. C. Main parts: Compressor : daikin (japan) / sanyo (japan) / copeland (america) Evaporator: anges (hong kong) Expansion valve: alco/ emerson (america) Electric components: schneider (france) Water pump: pentax (italy) / feiyanghi-line (taiwan).