| 摘要 |
In an air conditioning system in which outdoor units and indoor units of plural air conditioning units are connected to one another through a single bus line, when signals of at least two air conditioners are output onto the bus line substantially at the same output timing, the signal output timing of at least one air conditioner is changed by timing changing means so that the output timings of the signals of the air conditioners are different from one another. Further, each of the outdoor units of the air conditioners is provided with operation data recording means for recording the operation data of the outdoor unit, operation data output means for outputting the operation data of a desired outdoor unit, and operation data transmitting means for transmitting the operation data recorded in the operation data recording means to another outdoor unit through the bus line.
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