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GB/T 45902-2025: General technical requirements for energy-saving control system for ventilation and air conditioning system in urban rail transit stations
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GB/T 45902-2025: General technical requirements for energy-saving control system for ventilation and air conditioning system in urban rail transit stations

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ICS 91.140.30 CCSP45/49 National Standard of the People's Republic of China Energy-saving control of ventilation and air conditioning in urban rail transit stations General technical conditions of the system Released on June 30, 2025 Implementation on January 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General Requirements 2 5 Performance Requirements 3 6 Hardware Configuration 3 7 Software Features 8 8 Power Distribution 10 9 Interface 10 10 Adjustment, testing and acceptance 10 11 Operation and Maintenance 12 12 Marking, packaging, transportation and storage12 Appendix A (Informative) Monitoring Equipment and Parameters 13 Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China. This document is under the jurisdiction of the National Technical Committee for Standardization of Urban Rail Transit (SAC/TC290). This document was drafted by. Guangzhou Metro Design and Research Institute Co., Ltd., Guangzhou Metro Group Co., Ltd., Shenzhen Metro Group Co., Ltd. Co., Ltd., Suzhou Rail Transit Group Co., Ltd., Chengdu Rail Transit Group Co., Ltd., Xiamen Rail Construction Development Group Co., Ltd., Ningbo Rail Transit Group Co., Ltd., MTR Rail Transit (Shenzhen) Co., Ltd., Fuzhou Metro Group Co., Ltd., Beijing Metro Co., Ltd., Guangdong Hanwei Technology Co., Ltd., China Railway Fourth Survey and Design Institute Group Co., Ltd., Beijing Urban Construction Design and Development Group Co., Ltd. Co., Ltd., Tongji University, Guangdong Midea HVAC Equipment Co., Ltd., Nanjing Fuga Automation Technology Co., Ltd., Shenzhen Dashi Intelligent Co., Ltd. Co., Ltd., Nanjing Yapai Software Technology Co., Ltd., Guangzhou Kehui Energy Co., Ltd., and Shanghai Huadian Power Information Technology Co., Ltd. The main drafters of this document are. Wang Dijun, He Ligong, Luo Yanping, Luo Hui, Wu Dianhua, Qin Xu, Wang Jingwei, Zhang Yue, Huang Guijie, Zhu Yihao, Cai Changjun, He Zhixin, Yu Junyan, Wu Jiang, Luo Dingxin, Huang Jianhui, Luo Man, Ma Lingzhi, Wang Zhansheng, Wang Qingliang, Xu Changyi, He Sijin, Zhou Min, Wen Minjian, Huang Jia, Liu Cheng, Xu Ling, Zhou Ying, Li Guangwei, Su Jiangchuan, Liu Jing, Che Lunfei, Liu Jun, Li Guoqing, Meng Xin, Li Zhengrong, Xuan Yaoxiong, Su Junfeng, Li Yuanyang, Li Xinmei, Ding Gaohui, Chen Diankun, Zhu Han, Lu Xiaoli, and Wei Yongmei. Energy-saving control of ventilation and air conditioning in urban rail transit stations General technical conditions of the system 1 Scope This document specifies the overall requirements, performance requirements, hardware configuration, software functions, and energy-saving control systems for ventilation and air conditioning in urban rail transit stations. Energy, power distribution, interface and adjustment, testing and acceptance, operation and maintenance, marking, packaging, transportation and storage. This document is applicable to the energy conservation of electric driven water-cooled ventilation and air conditioning systems for new construction, expansion and renovation of stations, as well as energy conservation renovation of existing stations. Control system, energy-saving control of other types of ventilation and air-conditioning systems shall be implemented for reference. 2 Normative references The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 14549 Power quality - Public grid harmonics GB/T 17215.301 Electrical measuring equipment (AC) Particular requirements Part 1.Multifunctional energy meters GB 17625.1 Electromagnetic compatibility limits Part 1.Limits of harmonic current emissions (equipment input current per phase ≤ 16A) GB/T 17626.3 Electromagnetic compatibility test and measurement techniques Part 3.Radio frequency electromagnetic field radiated immunity test GB/T 27418 Evaluation and Expression of Uncertainty in Measurement GB/T 29618 (all parts) Field Device Tool (FDT) Interface Specification GB/T 31230 (all parts) Industrial Ethernet Fieldbus EtherCAT GB 50093 Specification for Construction and Quality Acceptance of Automation Instrumentation Engineering GB 50339 Code for Quality Acceptance of Intelligent Building Projects GB 50365 Air conditioning and ventilation system operation management standard GB 50411 Construction Quality Acceptance Standard for Energy-Saving Building Projects GB 51348 Civil Building Electrical Design Standard JGJ/T 260 Technical Specification for Inspection of Heating, Ventilation and Air Conditioning Engineering 3 Terms and Definitions The following terms and definitions apply to this document. 3.1 Applicable to urban rail transit stations, it consists of energy-saving control cabinets, workstations, sensors, actuators, communication networks, energy-saving control and management software By sensing the internal and external environmental parameters of the air-conditioning area and the operating status parameters of the air-conditioning system, the cooling capacity is output according to the load demand changes. A software and hardware integrated control system with dynamic approach adjustment. ...