为解决空气源热泵低温制热能力衰减与制热除霜问题, 在多联机空调系统中采用喷气增焓技术, 具有喷气增焓技术的多联机系统与传统多联机空调系统相比, 制热能力提高15％以上, 室外环境温度低于-7℃时, 能力提升更加明显, 多联机系统在低负荷运行时, 25％负荷运行时, 能力提升20％以上.制热除霜时除霜时间缩短, 减小了使室内温度的波动, 从而提高制热稳定性与舒适性.%In order to solve the problem of attenuation of low-temperature heating capacity and defrosting of air-source heat pump, the multi-line air-conditioning system with jet enthalpy enhancement technology is adopted in the multi-line air-conditioning system. Compared with the traditional multi-line air-conditioning system, the heating capacity of the multi-line air-conditioning system with jet enthalpy enhancement technology is increased by more than 15％, and the capacity of the multi-line air-conditioning system is improved more clearly when the outdoor ambient temperature is below-7 ℃ Obviously, when the multi-line system runs at low load and 25％ load, its capacity is improved by more than 20％. The defrosting time during heating and defrosting is shortened, the fluctuation of indoor temperature is reduced, and the stability and comfort of heating are improved.
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