T/KT SYL2402-2025 Cleaning and Disinfecting Technical Service Specification for Central Air Conditioning Ventilation System in Medical Institutions

Scope

Main Technical Content: 7. Measures for Preventing Secondary Pollution in Central Air Conditioning Systems of Key Departments in Medical Institutions 7.1 Requirements for Construction Isolation 7.1.1 The cleaning and disinfection areas of central air conditioning systems shall be set up with dedicated construction isolation zones or warning zones. On-site air purification equipment should be provided to prevent dust from spreading and causing secondary pollution. When conducting construction work in densely populated areas, such as wards, priority should be given to transferring patients if possible. If patients cannot be transferred, isolation zones should be established to prevent secondary pollution, which can be separated by plastic film. The cleaning and disinfection work in consultation areas should be carried out during off-peak hours. Generally, public non-emergency areas will choose to conduct construction work at night when no one is present. 7.2 Classification of Cleaning and Disinfection Measures for Key Departments' Central Air Conditioning Systems 7.2.1 Common Types of Air Conditioning Systems Used in Outpatient Departments The common types of air conditioning systems used in outpatient departments include fully air-conditioned systems, fan coil units with fresh air systems, and multi-split systems. In addition to meeting general requirements, air conditioning systems in outpatient departments should preferably be independently set up according to their different functions. The airflow organization should flow from clean areas to non-clean areas. The waiting areas and consultation rooms in pediatric departments should be set up as positive pressure areas compared to other areas. 7.2.1.2 Requirements for Construction Isolation in Outpatient Departments To ensure the hygiene and safety of outpatient areas, centralized cleaning and disinfection work should be arranged at night, when the outpatient areas are not in use, to effectively avoid

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