... 2.Attractive design 3.Application: LIUGONG,KOBELCO CG220201 air conditioning controller/ac part for construction vehicle&truck Power supply: ... functions: fully-automatic control cool, heating, ventilation, fresh air, air-flow direction, memory, error alarm, voltage auto-protection, demisting ... . Shift functions: 1). Running time check 2). Defrost temp. display(press fresh air button no less than 3s) 3 ...