Hitachi PSC-A32MN User manual

Operation
Manual
- PSC-A32MN -
IMPORTANT:
READ AND UNDERSTAND
THIS MANUAL BEFORE USING
THIS CENTRAL STATION.
KEEP THIS MANUAL FOR
FUTURE REFERENCE. P5415644

P5415644 i
IMPORTANT NOTICE
● HITACHIpursuesapolicyofcontinuingimprovementindesignandperformanceofproducts.
Therightisthereforereservedtovaryspecicationswithoutnotice.
● HITACHIcannotanticipateeverypossiblecircumstancethatmightinvolveapotentialhazard.
● Thisheatpumpairconditionerisdesignedforstandardairconditioningonly.Donotusethisheatpump
airconditionerforotherpurposesuchasdryingclothes,refrigeratingfoodsorforanyothercoolingor
heatingprocess.
● Donotinstalltheunitinthefollowingplaces.Itmaycauseare,deformation,corrosionorfailure.
*whereoilvapororoilisdispersed(includingmachineryoil).
*wherealotofsuldegasdriftssuchasathotspring.
*whereinammablegasmaybegeneratedorowed.
*wherestrongsaltywindblowssuchascoastregions.
*withanatmosphereofacidityoralkalinity.
● Donotinstalltheunitintheplacewheresilicongasdrifts.Ifthesilicongasattachestothesurfaceofheat
exchanger,thensurfacerepelswater.Drainwatersplashesoutsideofthedrainpanandsplashedwater
runsinsideofelectricalbox.Itmaycausewaterleakageorelectricaldevicesfailure.
● Payattentiontothefollowingpointswhentheunitisinstalledinahospitalorotherfacilitieswhere
electromagneticwaveisgeneratedbyamedicalequipment.
*Donotinstalltheunitintheplacewheretheelectromagneticwaveisdirectlyradiatedtotheelectrical
box,remotecontrolcableorremotecontrolswitch.
*Installtheunitatleast3metersawayfromelectromagneticwaveradiatorssuchasaradio.
● Donotinstalltheunitintheplacewhereanimalsandplantsareexposedtothedirectblowingairfromthe
unit.Itcouldadverselyaffecttheanimalsandplants.
● Theinstallerandsystemspecialistshallcomplywithlocalregulationsorstandardsforthesafety.
Thefollowingstandardsmaybeapplicable,iflocalregulationsarenotavailable.
InternationalOrganizationforStandardization,ISO5149orEuropeanStandard,EN378orJapanStandard,
KHKS0010.
● Nopartofthismanualmaybereproducedwithoutwrittenpermission.
● ItisassumedthatthisheatpumpairconditionerwillbeoperatedandservicedbyEnglishspeakingpeople.
Ifthisisnotthecase,thecustomershouldaddsafetysuchascautionandoperatingsignsinthenative
languagefornonEnglishspeakers.
● Ifyouhaveanyquestions,contactyourdistributorordealerofHITACHI.
● Thismanualshouldbeconsideredasapermanentpartoftheairconditioningequipmentandshould
remainwiththeairconditioningequipment.

ii P5415644
SAFETY SUMMARY
<SignalWords>
● Signalwordsareusedtoidentifylevelsofhazardseriousness.
Denitionsforidentifyinghazardlevelsareprovidedbelowwiththeirrespectivesignalwords.
: DANGERindicatesahazardoussituationwhich,ifnotavoided,
willresultindeathorseriousinjury.
: WARNINGindicatesahazardoussituationwhich,ifnotavoided,
couldresultindeathorseriousinjury.
: CAUTIONindicateshazardsorunsafepracticeswhichcouldresult
inminorpersonalinjuryorproductorpropertydamage.
: NOTICEisusedtoaddresspracticesnotrelatedtopersonalinjury.
: NOTEisusefulinformationforoperationand/ormaintenance.
DANGER
WARNING
CAUTION
NOTICE
NOTE

P5415644 iii
TABLE OF CONTENTS
1. SafetySummary..............................................................................................................................................1
2. SystemConguration.......................................................................................................................................2
3. Features...........................................................................................................................................................2
4. PartNamesandFunctions..............................................................................................................................3
4.1 PartNames.............................................................................................................................................3
4.2 ScreenDisplay........................................................................................................................................4
5. QuickReference..............................................................................................................................................5
5.1 ScreenStructure.....................................................................................................................................5
5.2 Functions.................................................................................................................................................6
6. InitialPowerActivationSetting.........................................................................................................................7
7. OperationProcedure........................................................................................................................................8
7.1 DisplayofAllGroups...............................................................................................................................8
7.2 DisplayofSpeciedBlock.......................................................................................................................9
7.3 SimultaneousRun/StopforAllGroups..................................................................................................10
7.4 SimultaneousRun/StopforEachBlock................................................................................................ 11
7.5 Run/StopforEachGroup......................................................................................................................12
7.5.1 Run/StopOperationforEachGroup(ControlMode(Run/Stoponly):“Disable”)........................12
7.5.2 Run/StopOperationforEachGroup(ControlMode(Run/Stoponly):“Enable”).........................13
7.6 OperationModeChange.......................................................................................................................14
7.7 FanSpeedSetting.................................................................................................................................15
7.8 SwingLouvreDirection.........................................................................................................................16
7.9 SettingTemperature..............................................................................................................................17
7.10 Permitting/ProhibitingOperationfromRemoteControlSwitch.............................................................18
8. Menu..............................................................................................................................................................20
8.1 DisplayMenuScreen............................................................................................................................21
8.2 ExitMenuScreen..................................................................................................................................21
8.3 FilterSignReset....................................................................................................................................22
8.3.1 ResettheFilterSign....................................................................................................................22
8.3.2 ResettheFilterOperationTime...................................................................................................23
8.4 ScheduleOperation...............................................................................................................................24
8.4.1 ScheduleSetting..........................................................................................................................24
8.4.2 HolidaySettingforOperationSuspended...................................................................................31
8.4.3 ScheduleTimerON/OFFSetting.................................................................................................32
8.5 AdjustingSettingTemperatureRangeofRemoteControl....................................................................33
8.6 DateandTimeSettings.........................................................................................................................34
8.7 DisplayofScreenforCleaning..............................................................................................................34
8.8 TouchscreenCalibration........................................................................................................................35
8.9 RegisteringGroups/BlocksName........................................................................................................36
8.9.1 RegisteringNameofGroup(Block).............................................................................................36
8.9.2 CopyingNameofGroup(Block)..................................................................................................37
8.10 ScreenDisplaySetting..........................................................................................................................38
8.10.1 AdjustingBacklightBrightnessofTouchscreenDisplay..............................................................38
8.10.2 LanguageSetting.........................................................................................................................39
8.10.3 TemperatureUnitSetting.............................................................................................................40
8.11 AccumulatedOperationTimeofUnit.....................................................................................................41
8.11.1 DisplaybyMonth.........................................................................................................................41
8.11.2 DisplaybyGroup.........................................................................................................................42
8.12 ContactInformation...............................................................................................................................43
8.13 SummerTimeOperation.......................................................................................................................43
9. OtherIndicationsonLCD...............................................................................................................................44
9.1 InNormalCondition...............................................................................................................................44
9.2 InAbnormalCondition...........................................................................................................................45
10. Troubleshooting.............................................................................................................................................46
11. Maintenance..................................................................................................................................................46
12. Reference......................................................................................................................................................47

P5415644

P5415644 1
1. Safety Summary
●Do not perform installation work and electrical wiring connection by yourself. Contact your
distributor or dealer of HITACHI and ask them for installation work and electrical wiring by service
person.
●Do not modify the electrical wiring. It may cause serious accident.
●Do not pour water into the remote control switch (hereafter called “controller”).
This product is equipped with electrical parts. If poured, it will cause a serious electrical shock.
●Do not operate switches with wet hand. It may cause an electrical shock.
●In case that the protective devices often function or the operation switches do not function well,
turn OFF the main power supply and contact your distributor or dealer of HITACHI.
●In case that other abnormalities are found, stop the system, turn OFF the main power supply and
contact your distributor or dealer of HITACHI.
●When checking electrical parts, turn OFF the main power supply. If may cause electrical shock or
injury.
●Do not install the indoor unit, outdoor unit, controller and cable at such places as;
(1) where oil vapor or oil is dispersed
(2) where the hot springs are near (in a sulfuric environment)
(3) wheregeneration,owing,stayingorleakingofammablegasisdetected
(4) where the sea is near (in the salty environment)
(5) an acid or alkaline environment
●Do not install the indoor unit, outdoor unit, controller and cable within approximately
3 meters from strong electromagnetic wave radiators such as medical equipment.
In case that the controller is installed in a place where there is electromagnetic wave radiation,
shield the controller and cables by covering with the steel box and running the cable through the
metal conduit tube.
● Incasethatelectricnoiseisappliedatthepowersourcefortheindoorunit,provideanoiselter.

2 P5415644
2. SystemConguration
Thiscentralstation(PSC-A32MN)isconnectedtoH-LINKandusedforthecentralcontrolandmonitoringof
theairconditioners.
3. Features
ThefollowingfunctionsareavailablefortheremotecontrolswitchwhichisregisteredtoAllGroups,Blocksor
eachBlockoftheAirConditionerunit.
(1) Run/Stop,OperationMode,FanSpeedControl,SwingLouvreDirectionControl,TemperatureSetting,
andPermitting/ProhibitingOperationbyRemoteControlSwitch
(2) MonitoringofOperatingConditionsforBlock/Groups
(3) ScheduleOperation(Run/StopandTemperatureSetting)forBlock/Groups
(4) Run/Stop,EmergencyStopandDemandControlbyExternalInput
(5) RunandAlarmOutputbyExternalOutput
(6) ControlExceptionFunctionofAllRun/StopCommandforSelectedGroups
(7) ControlExceptionFunctionofAllRun/StopCommandforSelectedGroupsbyExternalInput
(8) IndicationandCalculationofUnitAccumulatedOperationTimeofEachGroup
(9) IndicationofAlarmHistoryRecord
(10)RegisteringNameofBlocksandGroups
(11)RegistrationandIndicationofServiceContactInformation
(12)ControlMode(Run/StopOnly)canbeselectedasfollows:
•NormalMode
•ControlModeofthemainRun/Stop
(13)PresstheIconGuideButtontoindicateadescriptionoftheIcons
<Example>
NOTE:
Group:RemoteControlGroup
Block:CollectiveofRemoteControlGroups
Central Station
(PSC-A32MN)
Remote Control
Switch Wiring
Transmission
Wiring (H-LINK or H-LINK II)
Remote
Control
Group1
Remote
Control
Group2
Block
Outdoor Units
Central Station
(PSC-A32MN)
Controlled by Central Station
(Remote Control Group)
Wiring for
Remote Control
Switch
Without
Transition
Wiring
With
Transition
Wiring
Max. 8 Units in the same H-LINK are available.
Max. 64 Refrigerant Cycles and Max. 160 Indoor Units are available.
(For H-LINK II Only)
H-LINK
Tr
ansmission
Wiring
Group Group Group Group

P54156443
4. Part Names and Functions
4.1 PartNames
NOTE:
RemovetheprotectionsheetonLCD(liquidcrystaldisplay)beforeusingthisproduct.
ColorLCDDisplaywithTouchscreen
Tooperateandmonitortheunitsbythetouchscreen
display.Itisoperatedbyusingtouchpen(accessory).
Thetouchscreendisplaywillautomaticallysleepwhenthe
touchscreenisnotoperatedforthegivenlengthoftime.
Gesturecontrolisnotsupportedsuchas:
-Tap2placessimultaneously
-FlickOperation
PowerIndicator
Toindicatethepowerconditionof
thecentralstation.
 OFF(lamp):PoweristurnedOFF
 ON(lamp):PoweristurnedON
OperationIndicator
ToindicatetheRun/Stopconditionoftheunits.
 OFF:Alltheunitsarestopped.
 ON(Green):Oneormoreunitsareinoperation.
 Flashing(Red):Inabnormalcondition
TouchPen
Tooperate
thetouchscreenof
thecentralstation.

4 P5415644
4.2 ScreenDisplay
“Monitor(AllGroups)”
“Monitor(Block)”
PresentIndication
Todisplaythepresent
indication(allgroups)
UnitConditionIcon
Toindicatetheunitconditionsuch
asltersign,demand,etc.
BlockButton
Tochangethescreendisplay
into“Block”<Monitor(Block)>
indicationbytappingthisbutton.
GroupButton
Toindicatetheoperatingcondition
ofeachgroupasfollows.
 Green: Run
 Gray: Stop
 Red: Abnormal
Ifthetargetgroupbuttonis
tapped,“Settings”ofthetarget
groupscreenwillbeindicated.*
(Refertotheitem7.5.)
“Stopallgr.”Button
Tostopalltheunitssimultaneously
whicharecontrolledbythecentral
station.
“Runallgr.”Button
Torunalltheunitssimultaneously
whicharecontrolledbythecentral
station.
“Settingofall”Button
Tochangethesettingofthe
unitssimultaneouslywhichare
controlledbythecentralstation.
“Menu”Button
Toindicatethemenuitems
suchas“FilterSignReset”,
“ScheduleSetting”,etc.
“AlarmInform.”Button
Toindicatetheabnormality
Tapthebuttonfordetails.
PresentIndication
Todisplaythepresent
indication(groupsinblock)
UnitConditionIcon
Toindicatetheunitconditionsuch
asltersign,demand,etc.
BlockTab
Tochangethemonitordisplayinto
“Block”or“AllGroups”indication.
GroupButton
Toindicatetheoperatingcondition
 Green: Run
 Gray: Stop
 Red: Abnormal
Ifthetargetgroupbuttonis
tapped,“Settings”ofthetarget
groupscreenwillbeindicated.*
(Refertotheitem7.5.)
“StopbyBlock”Button
Tostoptheallgroups
operationinthetarget
blocksimultaneously.
“RunbyBlock”Button
Toruntheallgroups
operationinthetarget
blocksimultaneously.
“SettingbyBlock”Button
Tochangethesettingof
theallgroupsinthetarget
blocksimultaneously.
“Menu”Button,
“IconGuide”Button
“AlarmInform.”Button
SameFunctionasUpper
Figure
“DisplayCondit.”Button
Thesettingconditionoftheair
conditioningunitisdisplayed.
“IconGuide”Button
Tapthisbuttontodisplayan
explanationoftheIcons.
*ThisfunctioncanbeusedwhenControlMode(Run/StopOnly)isin“Disable”mode.
IfControlMode(Run/StopOnly)isin“Enable”mode,theRun/Stopoperationwillbeswitchedbytappingthe
target.
NOTE:Thescreenimagemaybedifferentfromtheactualscreen.
“AirTempDisplay”Button
Theoutsideairtemperatureandthe
inlettemperaturearedisplayed.

P5415644 5
5. Quick Reference
5.1 ScreenStructure
Thetablebelowshowsthedisplayonthescreenanditsfunction.
ScreenDisplay Function Page
Todisplaythenameofallgroups
andoperatingconditions 8
Todisplaythenameofgroupsinthe
blockandoperatingconditions 9
Todisplaythelistofmenuitems 20
Toresettheltersign 22
Tosetorchangetheweekly
schedule 24
Tocopytheschedulesetting 26
Todeletethescheduletimersetting 28
Tospecifydaysofsuspended
schedulesetting 31
TosetscheduleoperationON/OFF 32
Toadjustthesettingtemperature
rangeofremotecontrol 33
Toadjustthedateandtime 34
Tolockthetouchscreenforcleaning 34
Tocalibratethetouchpositionon
thetouchscreen 35
Toregisterthenameofblockand
group 36
Tocopythenameofblockand
group 37
Toadjustthebacklightbrightnessof
displayscreen 38
Tosetthedisplayedlanguage 39
Tosetthetemperatureunit 40
Todisplaytheaccumulated
operationtimeoftheunit 41
Todisplaytheservicecontact
address(ifregistered) 43
Tosetofthesummertimeoperation 43
Thisswitchisfortheserviceman
only.Thereforedonotuseit.
Ifthisswitchisusedandtheservice
menuisindicatedonthescreen,tap
“PreviousScreen”.Thescreenwill
returntothemenu.
-
Monitor(AllGroups)
Monitor(Block)
Menu
FilterSignReset
ScheduleTimerSetting
HolidaySetting
ScheduleTimer
ON/OFFSetting
DateandtimeSettings
Displayofscreenfor
cleaning
TouchscreenCalibration
GroupNameRegister
ScreenDisplaySetting
Accumulated
OperationTime
ContactInformation
ServiceMenu
ScheduleSettings
Brightness
Language
TemperatureUnit
Settingtemp.rangeof
theremotecontrol
SummerTimeSetting

6 P5415644
5.2 Functions
Thetablebelowshowsthemainfunctions.
<OperationProcedure>
DisplayAllGroupsinaList(AllofAirConditionerRegisteredtoCentralStation) 8
DisplayofSpeciedBlock 9
SimultaneousRun/StopforAllGroups 10
SimultaneousRun/StopforBlock 11
Run/StopforEachGroup 12
OperationModeChange 14
FanSpeedSetting 15
SwingLouvreDirection 16
SettingTemperature 17
Permitting/ProhibitingOperationfromRemoteControlSwitch 18
<MenuFunction>
Menu(MenuItemsandDetails) 20
Menu 21
FilterSignReset 22
ScheduleOperation 24
AdjustingSettingTemperatureRangeofRemoteControl 33
DateandTimeSettings 34
DisplayofScreenforCleaning 34
TouchscreenCalibration 35
RegisteringGroups/BlocksName 36
ScreenDisplaySetting 38
AccumulatedOperationTimeofUnit 41
ContactInformation 43
SummerTimeOperation 43

P54156447
6. Initial Power Activation Setting
NOTE:
Settingthedateandtimemayberequiredafterlong-termpowerfailure.
Inthatcase,“SetDate/Time”willbedisplayedonthescreen.If“Set”istapped,“Dateandtimesettings”
willbedisplayed.
Refertotheitem8.6forsettingthedateandtime.
<Preparation1>
Turnonthepowersupplyoftheairconditioners.
Toprotectthecompressor,thepowersupplyshouldbeturnedon12hoursbeforetheoperationisstarted.
Donotturnoffthepowersupplyduringtheairconditioningseasons.
<Preparation2>
Afterthepreparation1iscompleted,turnonthepowersupplyofthecentralstation.
“Start-up”willbedisplayedforawhileandthescreenchangesto“Monitor(AllGroups)”.

8 P5415644
7. Operation Procedure
7.1 DisplayofAllGroups
(1) Tap“AllGroups”onthetouchscreen
display.
*Thetabofmarkedwith(1),“All
Groups”willnotbedisplayed
ifonly1(one)blockhasbeen
registered.
(2) Allgroupsaredisplayedonthe
touchscreen.
Eachoperationstatusisindicated
bycolorofthegroupbuttonas
follows:
Green: Run
Gray: Stop
Red: Abnormal
*“AllGroups”screenmaybe
differentdependingonthe
ControlPattern.Thescreenon
theleftindicatesthePatternA
(4Blocks×8Groups)setbythe
ControlPattern.
NOTE:
Thetouchscreendisplaywillautomaticallysleepwhenthetouchscreenisnotoperatedforthegivenlengthoftime.
(Towakeup,tapthescreen.)
(1)*
(2)

P54156449
7.2 DisplayofSpeciedBlock
(1) Selectthetargetblockfromthe
screenof“Monitor(AllGroups)”or
“Monitor(Block)”.
(2) Thegroupsintheselected
blockwillbedisplayedonthe
touchscreen.
Eachoperationstatusisindicated
bycolorofthegroupbuttonas
follows:
Green: Run
Gray: Stop
Red: Abnormal
*“Block”screenmaybedifferent
dependingontheControlPattern.
Thescreenontheleftindicates
thePatternA
(4Blocks×8Groups)setbythe
ControlPattern.
(3) Tap“AirTempDisplay”todisplay
theoutsideairtemperatureandthe
inlettemperature.
(4) Tap“DisplayCondit.”todisplaythe
conditionoftheoperation.
NOTE:
•Thetouchscreendisplaywillautomaticallysleepwhenthetouchscreenisnotoperatedforthegivenlengthof
time.(Towakeup,tapthescreen.)
• Itmaytaketimetodisplaythetemperature.
• Theinlettemperatureisdisplayedonlywhileoperating.
<Monitor(AllGroups)> <Monitor(Block)>
(1) (1)
(2)
(3)(4)

10 P5415644
7.3 SimultaneousRun/StopforAllGroups
(1) Tap“AllGroups”onthetouchscreen
display.
(2) Tap“Runallgr.”whenallgroups
runsimultaneously.
Tap“Stopallgr.”whenallgroups
stopsimultaneously.
(3) Theconrmationscreenwillbe
displayed.
Tap“Yes”.
(Allindoorunitsconnected
tothecentralstationwillbe
simultaneouslyoperated.)
Tap“No”tocancelthiscommand.
NOTES:
•“Run/Stopallgr.”commandwillnotbeeffectedtothegroupsspeciedin“ExceptionSettingofRun/Stop
Operation”.
•IncasethattheIceStorageSeriesisconnected,theAirConditionerUnitcannotoperatewhiletheHeatStorage
Unitisoperating.
(1)
(2)
(3)

P5415644 11
7.4 SimultaneousRun/StopforEachBlock
(1) Selectthetargetblockfrom
thetouchscreendisplaytoset
simultaneousRun/Stopoperation.
(2) Tap“RunbyBlock”whenthe
selectedBlockrunssimultaneously.
Tap“StopbyBlock”when
theselectedBlockstops
simultaneously.
(3) Theconrmationscreenwillbe
indicated.
Tap“Yes”.
Allgroups(allindoorunits)in
theselectedblockconnected
tothecentralstationwillbe
simultaneouslyoperated.
Tap“No”tocancelthiscommand.
NOTES:
•“Run/StopbyBlock”commandwillnotbeeffectedtotheblocksspeciedin“ExceptionSettingofRun/Stop
Operation”.
•IncasethattheIceStorageSeriesisconnected,theAirConditionerUnitcannotoperatewhiletheHeatStorage
Unitisoperating.
(1)
(2)
(3)

12 P5415644
7.5 Run/StopforEachGroup
ThemodeisdifferentdependingonthesettingoftheControlMode(Run/StopOnly).
ControlRestricted(Run/StopOnly):ControlMethodwhensetas“Disable” Refertotheitem7.5.1.
ControlRestricted(Run/StopOnly):ControlMethodwhensetas“Enable” Refertotheitem7.5.2.
7.5.1 Run/StopforEachGroup(ControlRestricted(Run/StopOnly):“Disable”)
(1) Selectthescreenof“Monitor(All
Groups)”or“Monitor(Block)”.
Selectthegrouptosetbytapping
thegroupbutton.
(2) Selectedgroupsettingwillbe
indicatedonthetouchscreen
display.Tap“ON”or“OFF”.
(3) Tap“Monitorscreen”toreturnto
Monitorscreen.
<Monitor(AllGroups)> <Monitor(Block)>
(1) (1)
(2)
(3)

P5415644 13
7.5.2 Run/StopforEachGroup(ControlRestricted(Run/StopOnly):“Enable”)
(1) Selectthetargetgroupatscreenof
“Monitor(AllGroups)”in“Run/Stop
Only”mode.
(2) Theselectedgroupoperationis
alternatelychangedbytappingas
follows.
“Stop”“Run”
 Inthismode,simultaneousRun/
Stopoperationsforallgroupsis
availableby“Runallgr.”and“Stop
allgr.”buttons.
Refertotheitem7.3fordetails.
(1) Selectthetargetgroupatscreenof
“Monitor(Block)”in“Run/StopOnly”
mode.
(2) Theselectedgroupoperationis
alternatelychangedbytappingas
follows.
“Stop”“Run”
 Inthismode,simultaneous
Run/Stopoperationsforblockis
availableby“RunbyBlock”and
“StopbyBlock”buttons.
Refertotheitem7.4fordetails.
NOTE:
IncasethattheIceStorageSeriesisconnected,theAirConditionerUnitcannotoperatewhiletheHeatStorage
Unitisoperating.
<Monitor(AllGroups)>
<Monitor(Block)>
(1)
(2)
(1)
(2)

14 P5415644
7.6 OperationModeChange
(1) Selectthetargetgroupatscreenof
“Monitor(AllGroups)”or“Monitor
(Block)”tochangetheoperation
modesetting.
Thepop-upof“Setting”forthe
selectedgroupisdisplayedonthe
touchscreen.
(2) Bytapping“ ”or“ ”atthe
OperationMode,itwillswitchin
orderto“COOL”,“HEAT”,“DRY”,
“AUTO”and“FAN”.
*The“AUTO”(Heating/Cooling
AutomaticOperation)willbe
includedasoptionifapplicable.
(3) Tap“Monitorscreen”toreturnto
Monitorscreen.
NOTES:
• Bytapping“<”or“>”atthedetailedsettingscreen,theoperationmodewillbeswitchedtoanothergroupinthe
sameblock.
• ControlRestricted(Run/StopOnly):Incaseof“Enable”,eachSettingChangeisforallGroupsorBlocks.
SettingChangeisnotpossibleforeachGroup.
• SomeoperationmodecannotbesetdependingonthetypeofAirConditionerUnit.Contactyourdealerorgoto
theinquirycounterofadesignatedmakerfordetailedinformation.
• Ifthesettingsaremixedwhenmultiplegroupsareselected,thedisplaywillremainblank.
<Monitor(AllGroups)> <Monitor(Block)>
(1)(1)
(2)(3)
COOL
HEAT
DRY
AUTO
FAN