... 2.door,top,wall amouted 3.220/110v 48vdc cooling telecom Outdoor cabinet air conditioner(WALL type)Model NO CGC-300CQA ... 3C certification, high efficiency, long life.Adopting imported compressor and fan, using advanced refrigeration control technology, energy-efficient.Industrial & humanized design ... , non-condensing water design, save resources and improve efficiency. cooling telecom