Multi-online indoor unit turning-off control method and multi-online device
A control method and multi-connection technology, applied in the field of multi-connected indoor unit shutdown control and multi-connected devices, can solve problems such as blowing out cold air, and achieve the effect of constant air temperature, uniform reduction of expansion valve opening, and guaranteed load.
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[0052] It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other if there is no conflict.
[0053] Hereinafter, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments.
[0054] The multi-line system includes one outdoor unit and at least two indoor units. When working, one outdoor unit drives multiple indoor units to run; each indoor unit can be individually controlled to turn on and off. When the multi-line system is in heating mode, in order to avoid the sudden change of the load of the multi-line system caused by some indoor machines, the outdoor unit will fail. The current multi-line system will make the indoor unit after obtaining the shutdown command of an indoor unit. The fan continues to run for a period of time before shutting down; therefore, the indoor unit is no longer heating. Therefore, if the fan of the indoor unit runs for too ...
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