STUDY ON ENERGY- EFFICIENCY OF DESICCANT OUTDOOR AIR- CONDITIONING UNIT FOR A DEDICATED AIR- CONDITIONING SYSTEM KAWAMOTO K.(*), CHO W.(**), KOHNO H.(***), IWAMOTO S.(**), KOGANEI M.(****), OOKA R.(*****), KATO S.(*****) (*) Kawamoto Engineering, Japan, (**) Department of Architecture, Faculty of Engineering, Kanagawa University, Japan, (***) Asahi Kogyosha Co. Ltd., Japan, (****) Division of Perceptual Sciences and Design Engineering, Yamaguchi University, Japan, (*****) Institute of Industrial Science, The University of Tokyo, Japan