Daitsu FMCD*ECM series Installation, Operation And Service Manual

Category
Split-system air conditioners
Type
Installation, Operation And Service Manual
EUversion2.1
Revised:Feb.17,2014SK2014SON002TechMnlFMCD
003




ECOELEGANTSERIES
INSTALLATIONOPERATIONANDSERVICEMANUAL
FMCD~ECMSERIES
Page2of62
SK2014SON002TechMnlFMCD003
INVESTINGINQUALITY,RELIABILITY&PERFORMANCE.
ISO9001QUALITYWorldLeadingDesignandTechnology

Everyproductismanufacturedtomeet
thestringentrequirementsofthe
internationallyrecognizedISO9001
standardforqualityassuranceindesign,
developmentandproduction.
EquippedwiththelatestCAD/CAMcomputeraided
designandmanufacturingtechnology,ourfactoriesin
ChinaandThailandproduceover2,000,000air
conditioningunitseachyear,allconformingtothe
highestinternationalstandardsofqualityandsafety.
CESAFETYSTANDARDSThe Highest Standards o
f
Manufacturing

AllproductsconformtotheCertificate
Europedirectives(MachinerySafety,
ElectromagneticCompatibilityandLow
Voltage),asrequiredthroughoutthe
EuropeanCommunity,toguarantee
correctstandardsofsafety.
Inordertoguaranteetheveryhigheststandardsand
performance,wemanageeverystageinthe
manufacturingofourproducts.Throughoutthe
productionprocesswemaintainstrictcontrol,starting
withourextensiveresourcesinresearchand
developmentthroughtothedesignandmanufacture
ofalmosteveryindividualcomponent,frommolded
plasticstotheassemblyofunitsandcontrollers.
WEEEMARKQuality Controlled from StarttoFinish

Allproductsconformtothe“WEEE”
directivetoguaranteecorrectstandards
ofenvironmentalsolutions.
Ourhighlytrainedstaffandstrictqualitycontrol
methodsenableustoproduceproductswithan
exceptionalreputationforreliabilityandefficiency,
maintainedovermanyyears.AswellasfullCE
certificationandISO9001,severalproductshave
UL/ETL/CSA(NRTL)safetyapprovalplusARI
CertificationintheUSAandCanada,inadditionto
ROHScomplianceforEurope,givingyouthe
confidenceofknowingourcompanyistherightchoice
whenselectingairconditioningequipment.

ALWAYSMAKESURETHISMANUALREMAINS WITHTHE WATER HIGHWALLUNIT. READTHISMANUALBEFORE
PERFORMINGANYOPERATIONONTHEWATERHIGHWALLUNIT.
Page3of62
SK2014SON002TechMnlFMCD003
TableofContent
MODELCODENOMENCLATURE..........................................................................................................................................5
A.TECHNICALDATA......................................................................................................................................................6
A.1.GENERALDESCRIPTION......................................................................................................................................................6
A.2.GENERALSPECIFICATION....................................................................................................................................................7
A.2.1.FMCD–V–ECSeries3SpeedSpecifications........................................................................................................7
A.3.COILDATA......................................................................................................................................................................9
A.3.1.2PipeSystems...................................................................................................................................................9
A.4.DIMENSIONALDRAWINGS...............................................................................................................................................10
B.SERVICEANDINSTALLATION...................................................................................................................................13
B.1.INSTALLATIONOFHIGHWALLUNIT..................................................................................................................................13
B.1.1.SelectingaLocation........................................................................................................................................13
B.1.2.MountingPlateDimensions............................................................................................................................14
B.1.3.InstallingtheMountingPlate.........................................................................................................................15
B.1.4.DrillingtheCondensateDrainageHole...........................................................................................................15
B.1.5.InstallingtheHydronicUnit............................................................................................................................16
B.1.6.DrainagePipingWorks....................................................................................................................................16
B.2.UNITMAINTENANCESANDPREPARATIONS.........................................................................................................................17
B.2.1.OpeningandClosingOfLiftUpGrilleCover...................................................................................................17
B.2.2.RemovingFrontCoverAssembly....................................................................................................................17
B.2.3.AirPurging......................................................................................................................................................18
B.2.4.WiringConnections.........................................................................................................................................18
B.3.PIPECONNECTIONSWITHVALVE......................................................................................................................................19
C.CONTROLSPECIFICATIONS......................................................................................................................................20
C.1.SKNCFMCD001COMPLETEFUNCTIONFCUCONTROLLER................................................................................................20
C.1.1.Abbreviations..................................................................................................................................................20
C.1.2.DefinitionofInput/Output.............................................................................................................................20
C.1.3.WiringDiagramSKNCFMCD001...................................................................................................................21
C.1.4.ConfigurationSettings....................................................................................................................................22
C.1.5.ControlLogicsfor2PipeSystem....................................................................................................................24
C.1.6.ControlLogicsfor4PipeSystem....................................................................................................................28
C.1.7.SleepMode.....................................................................................................................................................31
C.1.8.AutoFanSpeed...............................................................................................................................................32
C.1.9.Louver.............................................................................................................................................................33
C.1.10.Buzzer.............................................................................................................................................................33
C.1.11.AutoRestart....................................................................................................................................................33
C.1.12.OperationOfControlPanelOnHighWallUnit..............................................................................................34
C.2.LEDLIGHTS.................................................................................................................................................................35
C.2.1.LEDIndicationandErrorDescription..............................................................................................................36
C.2.2.LEDIndicationonMaster/SlaveConnection..................................................................................................37
C.3.NETWORKINGSYSTEM...................................................................................................................................................38
C.3.1.MasterSlaveNetwork..................................................................................................................................38
C.3.2.MasterSlaveNetworkSetup.......................................................................................................................39
C.3.3.MasterSlaveCommunicationMethod........................................................................................................42
C.3.4.UnitNetworkWiringScheme.........................................................................................................................43
C.4.SKNCFMCD002LIMITEDFUNCTIONFCUCONTROLLER...................................................................................................44
C.4.1.DefinitionofInput/Output.............................................................................................................................44
C.4.2.WiringDiagramSKNCFMCD002...................................................................................................................45
C.4.3.OnboardConfiguration...................................................................................................................................46
C.4.4.ControlLogicSpecification..............................................................................................................................46
C.4.5.LEDIndication.................................................................................................................................................47
C.4.6.ErrorDescription.............................................................................................................................................47
C.5.OPENMODBUSPROTOCOL.............................................................................................................................................48
D.USERINTERFACE.....................................................................................................................................................52
Page4of62
SK2014SON002TechMnlFMCD003
D.1.REMOTECONTROLHANDSET...........................................................................................................................................52
D.2.WIREDWALLPAD.........................................................................................................................................................53
D.2.1.WallPadDisplay.............................................................................................................................................53
D.2.2.WallPadOperationGuidelines.......................................................................................................................54
D.2.3.ECUnitRPMSetting........................................................................................................................................57
E.SENSORRESISTANCERTCONVERSIONTABLE..........................................................................................................58
F.MODULELAYOUT....................................................................................................................................................60
G.TROUBLESHOOTINGGUIDE.....................................................................................................................................61
Page 5 of 62
SK2014SON002TechMnlFMCD003
ModelCodeNomenclature
FMCD‐ 06‐ VS‐ ECM

ECMECMotorConfiguration
SCompletefunctiononboardPCBwith
integratedgroupcontrolfunctionality
W
LimitedfunctiononboardPCBwithdrain
pump,louverandzonecontrol
functionality
V2PipeSystem
04
UnitSizes.SeeGeneralSpecification
SectionAforcoolingandheating
capacities
06
12
15
18
20
24
FMCD HydronicHighWallCSeries
Page 6 of 62
SK2014SON002TechMnlFMCD003
A. TechnicalData
A.1. GeneralDescription
ThisHighWallUnitisdesignedtomeetandexceeddemandingrequirementsforefficiency,quietoperationandappearance.
Thesleekprofileandelegantlystyledcabinetcomplementsanyinteriordesigntheme,whilethemicroprocessorassures
accurateenvironmentalcontrol.
Cabinet~thestylishcabinetisconstructedofdurableflameresistantacrylonitrilebutadienestyrene(ABS)plastic.Thesilver
whitecolorandroundedcornersprovideitsmodernlook.
WaterCoil~thewatercoilhasalargeheattransfersurfaceandutilizesthelatesttechnologyinfinprofiling.Itcombinesan
advancedtechnologyapproachwiththesecurityofatraditionaldesignregardingtubethickness.Thewatercoilisalsoequipped
withanairventvalveandawaterpurgevalve.
IntegralHoses~anintegralhoseisasyntheticelastomertube,withstainlesssteelouterbraidingandbrassconnectors,
whichenablesquick,lowcostconnectionswithnobrazing.
BlowerandMotor~theHighwallunitincorporatesonlyspeciallydesignedandtestedECmotors,allowingtheblowerwheelto
provideoptimumperformanceinairflowefficiencyandquietoperation.
Filters~washable,easytoremove,finemeshairfiltersarestandardtoallHighwallmodels.Tabslocatedonthefrontoftheunit
canbeunsnapped,allowingthefiltertobeeasilysliddownwardandremoved.Notoolsarerequired,noranydismantlingofthe
equipment.
AirGrilleDistribution~allHighwallunitsareequippedwithbothdeflectorbladesandindependentdirectionalvanes,
enablingsupplyairtobeautomaticallydistributed,andairflowanddirectiontobecustomized.
MicroprocessorControl~seeC.ControlsSpecificationsforcompletecontrolspecificationsanddetails.Themaindesign
featuresinclude:
~FCEERratingclass:A/B.
~FCCOPratingclass:B/C.
~ HighefficiencybrushlessDCmotorwithPIDalgorithmicprocessinginautomode.
~ 2pipe,2pipewithboosterelectricheat,2pipewithprimaryelectricheat,4pipewith4x2deviceinstalled.
~Cool,Heat,Auto,DehumidifierandFanmodes.
~Sleep,AutoFan,DailyTimer,AutoRestartwithmemoryfunctions.
~Userfriendlyremotecontrolhandset.
~Heatandcooltemperatureprotectionsandsafetycutout.
~2wayand3wayon/offvalvecontrol.
~Addressablecontrolanderrordiagnostics(MasterSlave)forsubnetworksofupto32units,withIRhandsetasglobal
controlinterface.
~Wiredwallpadcontroller(optional)with7dayprogrammabletimer,realtimeclock,networkcontrol(globaland
addressable)anderrordiagnostics.
~Manualcontrolpanelincabinet.
~Auxiliaryswitchforcoolingandheatingsignal.
~Occupancy(remoteon/off)contacts/economymodecontacts.
~OpenModbuscommunicationprotocol.
~LocalPChostcontrolsolution(optional).
Page 7 of 62
SK2014SON002TechMnlFMCD003
A.2. GeneralSpecification
A.2.1. FMCD–V–ECSeries3SpeedSpecifications
Productrange:FMCDECMHydronicHighWallwithECMotor
FMCDV~ECMHydronicHighWall2pipewithECMotor
FMCD[Size]V~ECM04061215
UnitConfiguration
Configuration2pipe
NumberOfFanBlowersSingle
PowerSupply(V/Ph/Hz)230/1/50
220/1/60
OperationControl
~S:CompletefunctiononboardPCBwithintegratedgroupcontrolfunctionality,incl.1pcreturnairsensor
and2pcstemperaturesensors.
~W:LimitedfunctiononboardPCBwithdrainpump,louverandzonecontrolfunctionality,incl.1pccoil
temperaturesensor.
PerformanceData
Air
TotalAirFlow
H
m3/hr
370500500645
M290370370445
L220290290370
Cooling
CoolingCapacitye
H
kW
1.242.072.493.02
M1.041.641.862.4
L0.8411.371.611.94
SensibleCoolingCapacitye
H0.9151.521.812.22
M0.7661.21.341.47
L0.6150.9921.151.4
FCEEReRating135168195187
ClassBBAA
Heating
HeatingCapacitye
H
kW
1.622.703.213.93
M1.352.122.372.61
L1.091.752.032.48
Max.ElectricHeaterCapacity1
FCCOPeRating176216248230
ClassBBBB
Sound
SoundPressureLevel(Outlet)dB(A)27/24/2337/30/2637/30/2643/34/29
SoundPowerLevel(Outlet)e38/35/3348/40/3548/40/3553/43/38
Electrical
FanMotorPowere
H
W
10131320
M8101013
L68810
FanMotorApparentPower@H2323250
FanMotorRunningCurrent@HA0.080.1420.1420.182
Hydraulic
CoolingWaterFlowRate
H
L/h
212355427525
M178281319411
L144235276332
CoolingPressureDrope
H
kPa
18.3222839.3
M13.61517.119.9
L9.51113.418.4
HeatingWaterFlowRate
@H/M/LL/hSameas"CoolingWaterFlowRate"
HeatingPressureDrope
H
kPa
14.718.122.731.8
M1111.913.515.9
L7.568.710.714.8
WaterContentL0.0450.07890.1240.124
Construction
andPackingData
Water
Connections
TypeSocket(ThreadedFemale)
In
mm[in]12.70[1/2]
Out
CondensateDrainageConnection16[0.63]
Dimensions
L
mm
876
W228
H300
NetWeightKg11121313
1."e"referstotechnicalinformationlistedontheEuroventwebsite.Euroventtestingconditions:
a.Coolingmode(2pipe):   b.Heatingmode(2pipe):

‐Returnairtemperature:27CDB/19CWB.  ‐Returnairtemperature:20C.

‐Inlet/Outletwatertemperature:7C/12C.  ‐Inletwatertemperature:50C.

   ‐Waterflowrate:sameas2pipecooling.
Page 8 of 62
SK2014SON002TechMnlFMCD003
Productrange:FMCDECMHydronicHighWallwithECMotor
 FMCD[Size]V~ECM182024
UnitConfiguration
Configuration2pipe
NumberOfFanBlowersSingle
PowerSupply(V/Ph/Hz)230/1/50
220/1/60
OperationControl
~S:CompletefunctiononboardPCBwithintegratedgroupcontrolfunctionality,incl.1
pcreturnairsensorand2pcstemperaturesensors.
~W:LimitedfunctiononboardPCBwithdrainpump,louverandzonecontrol
functionality,incl.1pccoiltemperaturesensor.
PerformanceData
Air
TotalAirFlow
H
m3/hr
7889801240
M740760760
L570600600
Cooling
CoolingCapacitye
H
kW
3.744.815.38
M3.283.93.9
L2.683.353.35
SensibleCoolingCapacitye
H2.743.463.89
M2.42.82.8
L1.952.382.38
FCEEReRating183171165
ClassBBB
Heating
HeatingCapacitye
H
kW
4.876.106.85
M4.24.924.92
L3.454.194.19
Max.ElectricHeaterCapacity1.5
FCCOPeRating238216209
ClassBBB
Sound
SoundPressureLevel(Outlet)dB(A)46/40/3440/35/3045/35/30
SoundPowerLevel(Outlet)e57/52/4552/46/4156/46/41
Electrical
FanMotorPowere
H
W
304160
M202424
L131818
FanMotorApparentPower@H8380120
FanMotorRunningCurrent@HA0.2720.3480.52
Hydraulic
CoolingWaterFlowRate
H
L/h
641.91825.55923.38
M562.96669.37669.37
L459.98574.97574.97
CoolingPressureDrope
H
kPa
4552.263.3
M3736.636.6
L25.628.128.1
HeatingWaterFlowRate
@H/M/LL/hSameas"CoolingWaterFlowRate"
HeatingPressureDrope
H
kPa
36.242.351.3
M28.829.429.4
L20.422.622.6
WaterContentL0.1920.2520.252
Construction
andPackingData
Water
Connections
TypeSocket(ThreadedFemale)
In
mm[in]12.70[1/2]
Out
CondensateDrainageConnection16[0.63]
Dimensions
L
mm
8761063
W228240
H300310
NetWeightKg141616
1."e"referstotechnicalinformationlistedontheEuroventwebsite.Euroventtestingconditions:
a.Coolingmode(2pipe):   b.Heatingmode(2pipe):

‐Returnairtemperature:27CDB/19CWB.  ‐Returnairtemperature:20C.

‐Inlet/Outletwatertemperature:7C/12C.  ‐Inletwatertemperature:50C.

   ‐Waterflowrate:sameas2pipecooling.
Page 9 of 62
SK2014SON002TechMnlFMCD003
A.3. CoilData
A.3.1. 2PipeSystems
ModelFinHeight
(mm.)
FinLength
(mm.)FinsperInch No.ofRows No.ofCopper No.ofCircuits
Tube
Diameter
(mm)
FMCD04230680
19.5
2827
FMCD0623068021437
FMCD1223068022247
FMCD1523068022247
FMCD1835768023457
FMCD2037884523667
FMCD2437884523667
Page 10 of 62
A.4. DimensionalDrawings
DimensionaldrawingforFMCD04/06/12/15/18ECM
(Alldimensionsshowninmm)
Page 11 of 62
DimensionaldrawingforFMCD20/24ECM
(Alldimensionsshowninmm)
Page 12 of 62
SK2014SON002TechMnlFMCD00
3
A.5. ValveInformation
A.5.1. 2WayValveBody
A.5.2. 3WayValveBody
ValveDimensions(mm)
DNABCD
D15(G1/2”) 524719.563
ValveDimensions(mm)
DNABCD
D15(G1/2”) 52704086
Page 13 of 62
SK2014SON002TechMnlFMCD00
3
B. ServiceandInstallation
B.1. InstallationofHighWallUnit
B.1.1. SelectingaLocation
SelectthelocationfortheHighwallunitwiththefollowingconsiderationsinmind:
1. Thefrontoftheairinletandoutletshouldbeclearofanyobstructions.Theairshouldflowfreely.
2. Thewallwheretheunitistobemountedshouldbesolid/firmenoughnottoresonateandproducenoise.
3. Thelocationshouldalloweasyaccesstoinstalltheconnectingwaterpipes,andbewheredrainage
canbeeasilyachieved.
4. Ensuretheclearancearoundthefancoilunitconformstothefollowingdrawing.
5. Fromthefloortheheightoftheunitshouldbeaboveeyelevel.
6. Avoidinstallingtheunitindirectsunlight.
*Requiredclearanceformaintenanceandservicingisasshownabove.
**Alldimensionsshowninmm.
7. Thesignalreceiverontheunitmustbekeptawayfromanyhighfrequencyemissionsource.
8. Keeptheunitawayfromfluorescentlamps,whichmayaffectthecontrolsystem.
9. Toavoidelectromagneticcontrolsysteminterference,ensurecontrolwiresareinstalledseparatelyfrom
220240VACpowerwires.
10. Whereelectromagneticwavesarepresent,useshieldedsensorcables.
11. Installanoisefilterifthepowersupplycreatesanydisruptivenoises.
Higherthaneyelevel
Page 14 of 62
SK2014SON002TechMnlFMCD00
3
B.1.2. MountingPlateDimensions
FMCD04/06/12/15/18–ECM
FMCD20/24/30–ECM
(Alldimensionsshowninmm)
Page 15 of 62
SK2014SON002TechMnlFMCD00
3
B.1.3. InstallingtheMountingPlate
1. Selectthestructuralposition(e.g.apillarorlintel)onthewall.
2. Thentemporarilyfastenthemountingplateonthewallwithasteelnail.
3. Mountthemountingplatehorizontallyasshowninthe
abovefigureorbymeansofgradiometer.Failureto
followthismaycausewatertodripindoorsandcreate
additionalnoise.
4. Fixthemountingplatebymeansofexpansionscrewsor
tappingscrews.
B.1.4. DrillingtheCondensateDrainageHole
1. Ensurethattheholeforcondensatedrainageiscorrectlypositioned.Theheightshouldbelowerthanthe
bottomedgeoftheindoorunit.
2. Drilla65mmdiameterholewithadescendingslope.
3. Sealitoffwithputtyafterinstallation.
Page 16 of 62
SK2014SON002TechMnlFMCD00
3
B.1.5. InstallingtheHydronicUnit
1. Passthepipingthroughtheholeinthewallandhooktheindoorunitonthemountingplatebytheupper
hooks.
2. Movethebodyoftheunitfromsidetoverifyifitissecurelyfixed.
3. Whilepushingtheunittowardthewall,liftitslightlyfrombeneathtohookituponthemountingplateby
thelowerhooks.
4. Makesuretheunitfirmlyrestsonthehooksofthemountingplate.
B.1.6. DrainagePipingWorks
1. Installthedrainhosesothatitslopesdownwardslightlyforfreedrainage.Avoidinstallingitasshownin
thebelowillustrationsmarkedwithan“X”.
2. Putwaterinthedrainpanandmakesurethatthewaterdrainsoutdoors.
3. Iftheflexibledrainhoseprovidedwiththeindoorunitisnotlongenough,pleaseextenditbyjoiningitto
anextensionhose(notprovided).Besuretoinsulatetheconnectingpartoftheextensiondrainhosewith
ashieldpipeasshown.
4. Iftheattacheddrainhosepassesthroughanindoorarea,insulateitwithheatinsulationmaterial.
Page 17 of 62
SK2014SON002TechMnlFMCD003
Openthegrillecoverbyliftingfromthe
bottompositionindicatedbythearrows
B.2. UnitMaintenancesandPreparations
B.2.1. OpeningandClosingOfLiftUpGrilleCover
B.2.2. RemovingFrontCoverAssembly
1. Setthehorizontallouvertothehorizontalposition.
2. Removethescrewcapsbelowthelouver,andthenremovethemountingscrews.
3. Opentheliftupgrillecoverbygraspingthepanelatbothsidesasshownabove.
4. Removetheremainingscrewslocatedinthecenteroftheunit/ofthefrontcover.
5. Graspthelowerpartofthefrontcoverandpulltheentireassemblyoutanduptowardsyou.
Closethegrillecoverbypressingdownatthe
positionsindicatedbythearrows.
Page 18 of 62
SK2014SON002TechMnlFMCD003
B.2.3. AirPurging
1. Afterconnectingthewaterinletandoutletpipestothemainsupplylinesturnonthemainbreakerandoperate
theunitinCOOLINGmode.
2. Openthewaterinletvalveandfloodthecoil.
3. Checkallconnectionsforwaterleakage.Ifnoleakisfoundopenthewaterpurge/airventvalvewithanopen
endwrenchandsupporttheunitbyhand.Thenpurgetheairtrappedinsidethecoil.Whenperformingthis
activity,takecarenottotouchtheelectricalparts.
4. Closethewaterpurge/airventvalvewhennobubblesappear.
5. Openthewateroutletvalve.
B.2.4. WiringConnections
Unitcomponentsarewiredtotheterminalblockoftheindoorunit.Wiringcanbeaccessedfromtheterminal
blockinsidethecontrolbox.
Page 19 of 62
SK2014SON002TechMnlFMCD003
B.3. PipeConnectionswithValve
Preassembly
CompleteAssembly
FlexiblecopperValvebodywith
actuator
½”gasketCoilconnector
Page 20 of 62
SK2014SON002TechMnlFMCD003
C. ControlSpecifications
C.1. SKNCFMCD001CompletefunctionFCUController
UsedinallHighWall[V]~Sunitconfigurations.
Completefunctionintegratedcontroller,compatiblewithIRhandsetcontroller,wiredwallpad,serialnetworkingfor
masterslaveandMODBUSapplications.
C.1.1. Abbreviations
Ts=Settingtemperature
Tr=Roomairtemperature
Ti1=Chilledwatercoiltemperature
Ti2=Hotwatercoiltemperature
AUX1=Hotwaterfreecontact
AUX2=Chilledwaterfreecontact
MTV1=ChilledMotorizedvalve
MTV2=HotMotorizedvalve
C.1.2. DefinitionofInput/Output
I/OCode2Pipe4Pipe
AnalogueInput
Returnairsensor AI1Returnairtemperature(Tr)
2pipecoilcircuitsensorAI2Chilled/hotwatercoil
circuit(Ti1)
Chilledwatercoilcircuit
(Ti1)
Hotwatersensor AI3N/AHotwatercoilcircuit
(Ti2)
Input
LEDdisplay/IRreceiverXDIS1DigitalcommunicationporttoLEDdisplay/IRreceiver
board.
WiredwallpadTTL1Digitalcommunicationporttowiredwallpadboard.
Digitalinput
OccupancycontactOn/Off
Windowcontacts:
ForremoteON/OFF(whenDIPBSW1=1).
Economycontacts:
Forremoteactivationofeconomymode(whenDIPB
SW1=0).
ElectricalheatersafetyswitchEHVoltagefree(NC).ThecontactisclosedbeforetheEHis
turnedon.
Powerinput
PhaseL1PowersupplytothePCBandalltheloadsconnectedto
thevoltageoutputs.Maxlength:5m.
NeutralN1PowersupplytothePCBandalltheloadsconnectedto
thevoltageoutputs.Maxlength:5m.
EarthPE1PowersupplytothePCBandalltheloadsconnectedto
thevoltageoutputs.Maxlength:5m.
Voltageoutput
FanCN4Fandriver
Valve1MTV1
2pipecoilcircuitvalve
outputchilled/hotwater
valve.
Voltageoutput(L)
4pipecoilcircuitvalve
outputchilledwater
valve.
Voltageoutput(L)
Valve2MTV2Reserved
4pipecoilcircuitvalve
outputhotwatervalve.
Voltageoutput(L)
Voltageofelectricalheater
(Live)HEATVoltageoutput(L),maximum25A
Output
SteppingmotorCN1/CN2Louversteppingmotorrelay
Auxiliarycontact2AUX2
Coolingmodesignalrelay(NO).Voltagefreecontact.
Toensurethesensitivityoftheconnection,please
makesuremaxwiringlength<5m,5A
Auxiliarycontact1AUX1
Heatingmodesignalswitch(NO).Voltagefreecontact.
Toensurethesensitivityoftheconnection,please
makesuremaxwiringlength<5m.5A
SerialBUSportCN3MasterslavenetworkserialconnectionOR
MODBUS/localPChostnetworkserialconnection.
  • Page 1 1
  • Page 2 2
  • Page 3 3
  • Page 4 4
  • Page 5 5
  • Page 6 6
  • Page 7 7
  • Page 8 8
  • Page 9 9
  • Page 10 10
  • Page 11 11
  • Page 12 12
  • Page 13 13
  • Page 14 14
  • Page 15 15
  • Page 16 16
  • Page 17 17
  • Page 18 18
  • Page 19 19
  • Page 20 20
  • Page 21 21
  • Page 22 22
  • Page 23 23
  • Page 24 24
  • Page 25 25
  • Page 26 26
  • Page 27 27
  • Page 28 28
  • Page 29 29
  • Page 30 30
  • Page 31 31
  • Page 32 32
  • Page 33 33
  • Page 34 34
  • Page 35 35
  • Page 36 36
  • Page 37 37
  • Page 38 38
  • Page 39 39
  • Page 40 40
  • Page 41 41
  • Page 42 42
  • Page 43 43
  • Page 44 44
  • Page 45 45
  • Page 46 46
  • Page 47 47
  • Page 48 48
  • Page 49 49
  • Page 50 50
  • Page 51 51
  • Page 52 52
  • Page 53 53
  • Page 54 54
  • Page 55 55
  • Page 56 56
  • Page 57 57
  • Page 58 58
  • Page 59 59
  • Page 60 60
  • Page 61 61
  • Page 62 62

Daitsu FMCD*ECM series Installation, Operation And Service Manual

Category
Split-system air conditioners
Type
Installation, Operation And Service Manual

Ask a question and I''ll find the answer in the document

Finding information in a document is now easier with AI