Therefore, the control unit 223 forcibly controls an operation of {TAIL ~ the outdoor units} 251 or the indoor units 252 of {HEAD ~ the multiple air conditioners} according to each set priority level as well as the recorded operation history of the multiple air conditioners 
Therefore , the control unit 223 forcibly controls an operation of { TAIL ~ the outdoor units } 251 or the indoor units 252 of { HEAD ~ the multiple air conditioners } according to each set priority level as well as the recorded operation history of the multiple air conditioners
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH