... realiable. DD-100: For frzen food storage, nominal cooling area of 100 square metres.DJ-100: For freeze use, nominal cooling an area of ... 100 square meters.DL-100: For frozen cooling material use, nominal cooling an area of 100 square meters.Usage:DL. ... equipments, Dl series are suitable for the storage of temperature of "0", the cooling storage can be available for fruits and vegetables, eggs ...