With the study on the hardware and the software in the communication of the multi-connected air-conditioner indoor and outdoor unit, the author designed a control system.
通过对其内外机通讯系统的硬件和软件进行分析和研究，设计了一套控制方案。
In this paper, the national energy efficiency standard for multi-connected air conditioner unit was introduced, including the principle, energy efficiency indexes and testing requirements.
本文描述了多联式空调机能效国家标准的制定原则、能效指标和测试要求。
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