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中文摘要：
简要介绍了间接膨胀式太阳能多功能热泵（IESA-MDHP）系统的功能模式。在冷凝侧采用强制循环和自然循环两种运行模式，对系统在冬季工况下利用中低温水源单独制热水性能进行实验测试。实验结果表明，在两种运行模式下热泵COPhp、系统COPsys及[火用]性能系数COPEX都明显高于空气源热泵热水器系统。实验同时对不同初始水温下IESA-MDHP系统单独制热水性能进行对比，发现初始水温对热泵COPhp、系统COPsys影响不大，而对[火用]性能系数COPEX影响较明显。
英文摘要：
Different operation modes of an Indirect Expansion Solar Assisted Multifunctional Domestic Heat Pump（IESA- MDHP） were presented simply. The experimental investigation of a prototype of the IESA-MDHP for water heating mode only was conducted in this study. The results indicate that the IESA-MDHP＇s COPhp, COPsys and COPEX were apparently higher than that of the air-source heat pump water heater in our experiments. The comparisons of the thermal performance of heat pump with different initial water temperature were made. The initial water temperatures had little effect on the COPhp and COPsys, but had apparent effect on the COPEX.
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