... 2.220/110v 3.high effiently 4.green refrigerant cooling escalators and moving walksescalater air conditioner,escalater Air Conditioning,escalater Air ... unit IT is widely used in car elevators, medical elevators, residential elevator, goods elevators,passengers elevator , sightseeing elevators and others.Installation ... >1350Air Out,Air ReturnFrom Two Sides, To Front cooling escalators and moving walks