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triple supply advantages: only one host is required, air can be used for three-unit supply, can be used for cooling, heating, and can provide domestic hot water. In the cooling + hot water operation mode, the full recycling of condensation heat can be achieved, and the comprehensive energy efficiency is higher than that of . The initial investment and operation cost save more than 10% compared to traditional air conditioners + water heaters [Source the public account of the cooling and heating encyclopedia]. The system is started in summer. During cold mode, all the heat discharged into the environment is recycled through full heat recovery technology to heat domestic hot water to achieve the purpose of energy saving. Disadvantages of triple supply: Due to the different water quality in each region, new water flows into the bath hot water heat exchanger every day, which requires a high corrosion resistance of heat exchanger . Many triple supply units are corroded and penetrated by the bath hot water heat exchanger, causing water to enter the fluorine-road system, resulting in the scrapping of the entire air-conditioning unit. If you want to try to eliminate the corrosion and penetration problem, and use the secondary heat exchange system for bath hot water to be used as a secondary heat exchange system, the condensation temperature will inevitably increase by about 5℃. , aggravates the reduction of COP value, and the gain is not worth the loss. In addition, the three-unit supply products are far less than the two-unit supply, whether in terms of the use effect or the stability of the later system.
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