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DB34/T 3949-2021 空气源热泵供暖空调工程技术规程

简介
DB34/T 3949-2021
空气源热泵供暖空调工程技术规程
Technical specificatin for air source heat pump heating and air conditioning system
2021-12-08 实施
2021-06-08 发布
前 言
根据安徽省市场监督管理局《关于下达2018年第三批安徽省地方标准制修订计划的函》(皖市监函〔2019〕10号)的要求,标准编制组经广泛调查和研究,认真总结我省实际情况,并在广泛征求意见的基础上,制定本规程。
本规程共分9章∶1.总则;2.术语;3.基本规定;4.室内外设计参数及负荷计算;5.机组选型及输配系统设计;6.末端设计;7.施工安装;8.调试、检验与验收;9.运行维护。 目 录 1 总 则································································································· 1 2 术 语································································································· 2 3 基本规定····························································································· 3 4 室内外设计参数及负荷计算····························································· 4 4.1 室内外设计参数·····················································································4 4.2 负荷计算·································································································5 5 机组选型及输配系统设计································································· 6 5.1 机组选型与设计·····················································································6 5.2 输配系统设计·························································································7 5.3 控制系统设计·························································································8 6 末端设计····························································································· 9 6.1 一般规定·································································································9 6.2 直膨式末端设计·····················································································9 6.3 风机盘管末端设计·················································································9 6.4 低温水散热器末端设计·········································································9 6.5 低温辐射供暖末端设计·······································································10 7 施工安装··························································································· 11 7.1 一般规定·······························································································11 7.2 空气源热泵室外主机安装···································································11 7.3 输配系统安装·······················································································11 7.4 直膨式及风机盘管末端设备安装·······················································12 7.5 低温水散热器末端安装·······································································13 7.6 低温辐射供暖末端安装·······································································13 7.7 电气及控制系统安装···········································································13 7.8 绝 热···································································································14 8 调试、检验与验收··········································································· 15 8.1 一般规定·······························································································15 8.2 系统调试与检验···················································································15 8.3 验 收···································································································17 9 运行维护··························································································· 18 附录 A 检验记录表··············································································19 本规程用词说明····················································································· 22 引用标准名录························································································· 23 条文说明································································································· 24