... 4.In summer,On the cooling+hot water model,unit will be cooling,or hot water,or two ... 5.In winter,On the heating+hot water model,unit will be heating,or hot water,or two ... : R407C .9.Two speed fan motor:further improve unit operation(hot water model)under high ambient temperature.10.Expansion ... .13.Can set the operating time freely. 14.Unit runs or stop automatically according to water temperature.15 ...