These two condensers are available for multi-zone versatile mix-and-match systems. These condensers are used for versatile mix-and-match systems that allow for cassettes, floor/ceiling, or high-wall units in sizes of 9,000, 12,000, and 18,000 Btu to be mixed in any combination and used with one evaporator or up to four evaporators.
Source: ACHR News (a part of news report)
http://www.hiross.org 精密空调ㄍ机房空调厂家