| 摘要 |
This invention provides an air conditioner for simultaneously cooling or heating a plurality of rooms by using a single outdoor unit and at least two and more indoor units connected to the outdoor unit, the air conditioner including indoor heat exchangers installed in each room, for heat-exchanging a room air, a unit for detecting varying temperatures of conduit during the air conditioning, a control unit for controlling low temperature, high temperature, and defrosting operations for respective indoor units on the basis of the detected conduit temperature, and for coding operation states of respective indoors to input/output the coded communication signals, a communicating unit for transmitting and receiving the coded communication signals through input/output ports provided with the control unit for communicating between any indoor units.
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