... conditioner,there are wall mounted type,floor standing type,floor ceiling type and cassette type.Wall mounted type has 7 models.There are ... 50hz normally,but we can do220v/50hz) Floor ceiling type has 4 models.There are 18000btu,24000btu,41000btu,48000btu. ... plate collector can't broken.Working Principle Diagram:Cassette Type Solar Air Conditioner Catalogue:Cassette Solar Air ConditionerModelTAS(R)- ...