直接膨胀式土壤耦合热泵系统设计与施工
Design and construction of direct expansion ground-coupled heat pump systems
摘要：
结合示范工程，介绍了直接膨胀式地源热泵系统的设计方法和施工要点。详细分析和讨论了系统的初投资和冬夏季运行情况。结果表明该系统运行稳定,达到了预期的效果。
关键词：直接膨胀,地源热泵,设计,施工
Abstract：
Presents the design method and construction points related to a demonstration project. Analyses on the initial investment and operation in winter and summer show that the system works smoothly and achieves expected effects.
Keywords:direct expansion, ground-source heat pump, design, construction