T/ZZB 0297-2022 Air conditioning units for clean spaces
T/ZZB 0297-2022 Air conditioning units for clean spaces
Basic Information
Scope
Main technical content: This document specifies the terms and definitions, classification and models, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, product samples and manuals, quality commitments, etc. of air conditioning units used in cleanrooms. This document is applicable to units that, in cleanrooms, are composed of functional segments and can complete one or several processing functions such as air delivery, mixing, heating, cooling, dehumidification, humidification, filtration, noise reduction, and heat recovery. Refrigerants such as brine, glycol, and direct evaporation coils, as well as electrically heated units, can be used as reference. This document is not applicable to air conditioning units (appliances) with built-in cold and heat sources, fan coil units, warm air heaters, and air conditioning units for clean operating rooms, etc.