... 2.220/110v 3.high effiently 4.green refrigerant cooling used escalatorescalater air conditioner,escalater Air Conditioning,escalater Air cooling1. exlusive ... chiller,cooling unit IT is widely used in car elevators, medical elevators, residential elevator, goods elevators,passengers elevator , sightseeing elevators and others ... 1350>1350Air Out,Air ReturnFrom Two Sides, To Front cooling used escalator