English
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COOL/HEAT mode lock
TheCOOL/HEATmodelockrequiresinitialprogrammingduringinstallation.Pleaseconsultyourauthorizeddealerfor
assistance.TheCOOL/HEATmodelocksetstheunitforciblytoeitherCOOLorHEAToperation.Thisfunctionisconvenient
whenyouwishtosetallindoorunitsconnectedtothemultisystemtothesameoperationmode.
NOTE
• TheCOOL/HEATmodelockcannotbeactivatedtogetherwiththepriorityroomsetting.
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Priority room setting
Thepriorityroomsettingrequiresinitialprogrammingduringinstallation.Pleaseconsultyourauthorizeddealerforassistance.
Theroomdesignatedasthepriorityroomtakespriorityinthefollowingsituations.
Operation mode priority
•Astheoperationmodeofthepriorityroomtakesprecedence,theusercanselectadifferentoperationmodefromother
rooms.
[Example]
•RoomAisthepriorityroomintheexamples.
WhenCOOLoperationisselectedinroomAwhileoperatingthefollowingmodesinroomB,CandD:
OperationmodeinroomB,CandD StatusofroomB,CandDwhentheunitinroomAisinCOOLoperation
COOLorDRYorFAN
Currentoperationmodemaintained
HEAT
Theunitentersstandbymode.OperationresumeswhentheroomAunitstopsoperating.
AUTO
IftheunitissettoCOOLoperation,itcontinues.IftheunitissettoHEAToperation,itenters
standbymode.OperationresumeswhentheroomAunitstopsoperating.
Priority when POWERFUL operation is used
[Example]
•RoomAisthepriorityroomintheexamples.
TheindoorunitsinroomsA,B,CandDarealloperating.IftheunitinroomAentersPOWERFULoperation,operation
capacitywillbeconcentratedinroomA.Insuchacase,thecooling(heating)efciencyoftheunitsinroomB,CandD
maybeslightlyreduced.
Priority when using OUTDOOR UNIT QUIET operation
[Example]
•RoomAisthepriorityroomintheexamples.
JustbysettingtheunitinroomAtoQUIEToperation,theairconditionerstartsOUTDOORUNITQUIEToperation.
Yo u don’thavetosetalltheoperatedindoorunitstoQUIEToperation.
01_EN_3P320970-1A.indd 30 12/20/2012 11:22:31 AM