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Amulti system has one outdoor unit connected to multiple indoor units.
Selecting the operation mode
When the priority room setting is active
but the set unit is not operating or when
the priority room setting is inactive
Whenmorethanoneindoorunitisoperating,priorityisgivento
therstunitthatwasturnedon.
Inthiscase,settheunitsthatareturnedonlatertothesame
operationmodeastherstunit.
Otherwise,theywillenterthestandbystate,andtheOPERATION
lampwillblink;thisdoesnotindicatemalfunction.
NOTE
Notes on operation mode for a multi system
•COOL,DRYandFANoperationmaybeusedatthesametime.
•AUTOoperationautomaticallyselectsCOOLoperationorHEAToperationbasedontheindoortemperature.
Therefore,AUTOoperationisavailablewhenselectingthesameoperationmodeasthatoftheroomwiththerstunittobeturnedon.
CAUTION
• Normally,theoperationmodeintheroomwheretheunitisrststartedisgivenpriority,butthefollowingsituationsareexceptionstothisrule.
IftheoperationmodeoftherstroomisFANoperation,thenusingHEAToperationinanyroomafterthiswillgiveprioritytoHEAToperation.
Inthissituation,theindoorunitoperatinginFANmodewillswitchtostandby,andtheOPERATIONlampwillblink.
With the priority room setting active
Referto“Priority room setting” on the next page.
NIGHT QUIET mode (Available only for COOL operation)
NIGHTQUIETmoderequiresinitialprogrammingduringinstallation.Pleaseconsultyourretailerordealerforassistance.
NIGHTQUIETmodereducestheoperationnoiseoftheoutdoorunitduringthenight-timehourstopreventannoyancetoneighbours.
• NIGHTQUIETmodeisactivatedwhenthetemperaturedrops6°Cormorebelowthehighesttemperaturerecordedthatday.
Whenthetemperaturedifferencebetweenthecurrentoutdoortemperatureandthemaximumoutdoortemperaturebecomeslessthan4°C,
this function will be cancelled.
• NIGHTQUIETmodeslightlyreducesthecoolingefciencyoftheunit.
OUTDOOR UNIT QUIET operation
FordetailsonOUTDOORUNITQUIEToperation,refertotheoperationmanualincludedwiththeremotecontroller.
When the priority room setting is active but the set unit is not operating or when the
priority room setting is inactive
WhenusingtheOUTDOORUNITQUIEToperationfeaturewithamultisystem,setallindoorunitstoOUTDOORUNIT
QUIEToperationusingtheirremotecontrollers.
WhencancellingOUTDOORUNITQUIEToperation,simplycancelthemodeononeoftheoperatingindoorunitsusingtheir
remote controller.
HoweverOUTDOORUNITQUIEToperationwillremaindisplayedontheremotecontrollersfortheotherrooms.
Werecommendyoucanceloperationinallroomsusingtheirremotecontrollers.
With the priority room setting active
Referto“Priority room setting” on the next page.
Room A Room B
Room C Room D
Outdoor unit
Note for Multi System
Multi Connection
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