Panasonic CS-C45FFH User manual

CS-C45FFH
CU-C45FFH
FloorStandingRoomAirConditioners
WARNING
Thisserviceinformationisdesignedforexperiencedrepairtechniciansonlyandisnotdesignedforusebythegeneralpublic.
Itdoesnotcontainwarningsorcautionstoadvisenon-techicalindividualsofpotentialdangersinattemptingtoserviceaproduct.
Productspoweredbyelectricityshouldbeservicedorrepairedonlybyexperiencedprofessionaltechnicians.Anyattempttoservice
orrepairtheproductorproductsdealtwithinthisserviceinformationbyanyoneelsecouldresultinseriousinjuryordeath.
1Features2
2Functions3
3ProductSpecifications6
4Dimensions8
5RefrigerationCycleDiagram10
6BlockDiagram11
7WiringDiagram12
8OperationDetails13
9Self-diagnosis20
113-wayValve
12 DisassemblyofTheParts
13TroubleshootingGuide
14TechnicalData
15ExplodedView
16ReplacementPartsList
17ExplodedView
18ReplacementPartsList
CONTENTS
PagePage
OrderN0.PHAAG0606013C3
R
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37
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Installation
1021------------------------------------------------------
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PanasonicHomeAppliancesAirConditioner
(Guangzhou)Co.,Ltd.(PHA-AG)Allrightsreserved.
Unauthorizedcopyinganddistributionisviolationof
law.
C

2
1Features
CS-C45FFH/CU-C45FFH
HighEfficiency
ComfortEnvironment
Airfilterwithfunctiontoreducedustandsmoke
Widerangeofhorizontaldischargeair
RandomAutoRestartControl
Automaticallyrestartaferpowerfailure
12-hourTimerSetting

2Functions
RemoteControl
3
CS-C45FFH/CU-C45FFH
OperationSTART/STOP
OperationModeSelection
AutomaticOperation
CoolingModeOperation
SoftDryModeOperation
AirCirculationModeOperation
Mode
IndoorFanSpeedSelection
LowSpeed
HighSpeed
AutomaticSpeed
RoomTemperatureSetting
TemperatureSetting(16to30)
AutoOperation
℃℃
TimerOperationSelection
Stop/StartOperationControl
(settheON/OFFTimerhourlylater)
Set/CancelTimerOperation
Settimer/Cancelthesettimer
OFF/ON
MODE
FAN
SPEED
TEMP
TIMER
OFF/ON
TIMER
SET/
CANCEL
AUTO
STD
STD
Operatewith2higherthanstandard
temperature.
℃
STD Operatewithstandardtemperature.
Operatewith2lowerthanstandard
temperature.
℃

IndoorUnit
4
CS-C45FFH/CU-C45FFH
Anti-freezingControlfortheEvaporator
CoolingorSoftDryOperation
High,Low
AutoFanSpeed
IndoorFanSpeedControl
Bothverticalandhorizontalairflowdirection
canbeonlyadjustedmanuallybyhand.
AirflowDirectionControl
OperationMode
Auto/Fan/Cooling/SoftDryOperation
TimeDelaySafetyControl
Theunitwillrestartoperationafter3
minutesaftereachpause.
7MinutesTimeSaveControl
Ifthecompressorisstopped(notbyremotecontrol
orduetoapowerfailure)duringCoolingoperation,
itwillrestartautomaticallyin7minutesevenifthe
temperatureislowerthanthesettemperature.
AUTO
OFF/ON
PowerSwitchOFF/ON
Whentheremotecontrolcannotbeusedor
forrepairingandtesting,pleaseusethis
button.
Keeppressingthisbuttonlessthan5second
tostartautooperationmode.
Keeppressingthisbuttonforapproximate5
secondstoactiveforcecoolingoperation.
(TestRun).(One Beep”isheard.)
DemonstrationMode
Keeppressingthisbuttonfor20secondsto
startorendtheDemonstrationMode.
(Four Beep”sareheard.)
SignalReceivingSoundControl
Keeppressingthisbuttonfor
10secondstoturnonorturnoffthesignal
receivingsound.(”Beep,Beep”areheard.)
approximate
OFF/ON
PowerswithOFF/ON
Autorestartcontrol
TestRun
Thecontrolcanbeomittedbykeepingpressing
thisbuttonfor15secondsuntil
Beep,Beep,Beep-”isheard.Toresumethe
control,repeattheprocessaboveuntill Beep,
Beep,Beep”isheard.
.
approximate
Iftheunitisstoppedduetoapowerfailure,
itwillrestartwiththeprevioussetting
automaticallywhenthepowerisresumed.But
thetimersettingwillbecancelled.
OperationIndicationLamps
Power(green)
Timer(orange)
Lightsupinoperation;
BlinksduringTest
Runoperationand
determiningAuto
Operationmode
LightsupwhileTimer
inoperation

OutdoorUnit
5
CS-C45FFH/CU-C45FFH
3-minutesTestOperationControl
Oncethecompressorisactivated,itdoesnot
stopfor3minutes.Itstopsimmediatelywith
remotecontrolorindoorunitcontrolpanel
ON/OFFbutton.
ResidualHeatRemoveControl
CompressorOvercurrentProtection
CompressorDelayedStartControl
CompressorHighPressureProtection
Whenthecompressorisstopped,theoutdoor
fanwillrunatthehighestspeedfor60seconds
toremovetheresidualheatofthecondenser.
WhenthecurrenttestedbyCT1orCT2
remains16Aorabovefor5seconds,the
compressorwillcease.
Whenthestartinginstructionisreceived,the
compressorwillstartin2seconds.
Ifthehighpressureswitchisopen,the
compressorwillbestopped.Thecompressor
willrestartwhenthehighpressureswitchis
closed,buttimedelaysafetycontrolis
available
CompressorDischargeTempControl
Whenthedischargetemperatureis120or
above,thecompressorwillstopandwhenthe
temperaturedeclinesto90orbelow,the
compressorwillstart.
℃
℃

6
3ProductSpecifications
CoolingCapacity
MoistureRemoval
PowerSource
AirflowMethod
AirCirculation IndoorAir(low)
IndoorAir(medium)
IndoorAir(high)
OutdoorAir
NoiseLevel
Electrical
Data
PipingConnectionPort(Flarepiping)
PipingSize(Flarepiping)
DrainHose
PowerSupplyCordLength
(Numberofcore-wire)
Dimensions
NetWeight
Compressor
AirCirculation
Unit
KW
L/h
Phase
V
Cycle
OUTLET
INTAKE
m/min
3
m/min
3
m/min
3
m/min
3
dB(A)
KW
A
W/W
A
Input
RunningCurrent
EER
StartingCurrent
InnerDiameter
Length
Height
Width
Depth
Type
MotorType
RatedOutput
Type
MotorType
Fan
Speed
Low
Med
High
RatedOutput
Input
Inch
Inch
Inch
Inch
mm
m
mm
mm
mm
kg
KW
W
W
rpm
rpm
rpm
CS-C45FFH CU-C45FFH
12.0-12.5
7.5
3-phase
380-415
50
SIDEVIEW TOPVIEW
19.7-23.3
25-27
-
-
-
-
High57,-High53,Low47
4.71-4.80
8.40
2.54-2.60
55
G:halfunion6/8"
L:halfunion3/8”
G:gasside6/8”
L:liquidside3/8”
G:3-wayvalve6/8"
L:3-wayvalve3/8”
G:gasside6/8”
L:liquidside3/8”
-
-
-
-
-
-
m
12
0.6
1880
600
350
52
1175
900
320
88
-
-
-
Siroccofan
Induction(8pole)
-
85
380-41040±
-
480-52030±
Scroll
Induction
3.75
Propellerfan
Induction(6pole)
-
50
-
770-80030±
92
CS-C45FFH/CU-C45FFH
-
-

7
Heat
Exchanger
Description
TubeMaterial
FinType
FPI
RefrigerantControlDevice
RefrigerationOil
Refrigerant(R-22)
Thermostat
ProtectionDevice
Capillary
AirFilter
RefrigerantCirculationControlDevice
CompressorCapacitor
FanMotorCapacitor
UnitCS-C45FFHCU-C45FFH
Length
Circulation
InnerDiameter
mm
(c.c)
g
mm
L/min
mm
μ
FV
μ
FV
Evaporator
Copper
Slottype
(Platefinconfiguration,forceddraft)
2x441x44
Condenser
Copper
Corrugationtype
21
480x924x25.4
-
-
-
-
-
-
-
ElectronicControl
P.P.Honeycomb
-
21
900x1168.4x38.1
CapillaryTube
4GSD/SAY56T
2400
-
O.L.P.
25030
290.5
3.0
-
±
±
-
μ
F3.0440V
Specificationsaresubjecttochangewithoutnoticeforfurtherimprovement.
μ
F440V
5
Dimensions
Rows/Stage
CS-C45FFH/CU-C45FFH
Capillary

8
4Dimensions
IndoorUnit
CS-C45FFH/CU-C45FFH
357
23.5X4
1880
16.5
56
RemoteController

9
OutdoorUnit
CS-C45FFH/CU-C45FFH
CU-C45FFH
900
620 140
40.5 320

10
CS-C45FFH/CU-C45FFH
5RefrigerationCycleDiagram
CS-C45FFH/CU-C45FFH
Compress
or
Indoorpiping
temp.sensor
Intaketemp.sensor
Ourdoor
temp.sensor
Compressortemp.
sensor
SUBACC
Outdoorpipingtemp.
sensor
Compressor

11
※
※
Indicatestheelectroniccontrolunit.
"C"indicatesthenumberofcorewires.(example:6C=6corewires)
BlockDiagram
CS-C45FFH/CU-C45FFH
CS-C45FFH/CU-C45FFH
Sensor
(IntakeTemp.)
123
T2
(BLK)
T1
(BLK)
RY-C
FUSE
(T3.15AL250V)
Terminal L1L2L3N
INDOORUNIT
PowerSupply:3phase
AC380V-415V50Hz
BR
BL
W
G
Terminal
FanMotor
123
Sensor
(IntakeTemp.)
4C
7C
ElectronicController-Main
6
7C
RemoteControl
Terminal L1L2L3N
Compressor
Electronic
Controller
L1-IN(RED)
L1-OUT(RED)
CT1
FUSE
(T3.15AL250V)
CT2 ZNR2
ZNR1
PC4
PC3
T1
Terminal
123
CT1
FUSE
(T3.15AL250V)
FUSE
(T3.15AL250V)
Sensor
(PipingTemp.)
Sensor
(OutdoorTemp.)
4C
FanMotor
2C
FanMotor
2C 2C
PressureSwitch

12
CS-C45FFH/CU-C45FFH
7WiringDiagram
CS-C45FFH/CU-C45FFH
U(R)
V(W)
W(BL)
CompressorTerminal
7
1
7
1
12
7
1
CN-T
1234
CN-TH
Sensor
(PipingTemp.)
Sensor
(IntakeTemp.)
CN-LV
Motor
(Vane)
13
1357
531
CN-FM CN-C
R
W
B
123
T2
(BLK)
T1
(BLK)
RY-C
FUSE
(T3.15AL250V)
(BLK)
(BRW)
(WHT)
AC
FG
Terminal L1L2L3N
W
Y/G
INDOORUNIT
31 RST
32
UVW
AI
A2
V
UW
Compressor
BR
BR
R
R
W
BL
W
BL
BR
Y
BB
GRY
B
Y
R
B
FanMotor
Capacitor
Sensor
(PipingTemp.)
Sensor
(OutdoorTemp.)
4
3
2
1
Sensor
(Compressor
DischargeTemp.)
FM1
(YLW)
FM2-C
(BLU)
RY1
(BRW)
COMP1
(BRW)
Electronic
Controller
L1-IN(RED)
L1-OUT(RED)
CT1
FUSE
(T3.15AL250V)
CT2
L2-IN(WHT)
L2-OUT()WHT
ZNR2
ZNR1
L3-IN(BLK)
PC4
PC3
AC2
(BLU)
COMP
(GRY)
RY-C
T1
PowerSupply:3phase
AC380V-415V50Hz
(GRN)
BR
BL
B
BR
BL
W
G
Transformer
W
W
W
W
W
W
W
ElectronicController
BL
BL
Y/G
Terminal
YBR OBL
FanMotor
R:RED
BL:BLACK
BR:BROWN
B:BLUE
O:ORANGE
G:GREEN
Y:YELLOW
W:WHITE
Y/G:YELLOW/GREEN
GRY:GREY
R
R
Y
W
BL
Y
W
123
Y-W(M)
Y-BR(A1)
CS-C45FFH
CONNECTING
A971011
BR-O(A2)
O-BL(A3)
BL-R(A4)
71.5
11.65
8.15
12.8
56.6
Y-B(M1)
Y-R(A)
CU-C45FFH
A951251
CONNECTING
126.1
114.9
OUTDOORFANMOTORRESISTANCE
()
Ω
INDOORFANMOTORRESISTANCE
()
Ω
COMPRESSORRESISTANCE(
Ω
)
U-V
U-W
CU-C45FFH
B092164 CONNECTING
W-V
2.806
2.806
2.651
RemoteControl
B
B
R
FanMotor
Y
Capacitor
Fm2
(YLW) FM1-C
(BLU)
CN-PSW2
PressureSwitch
CT1
FUSE
(T3.15AL250V)
FUSE
(T3.15AL250V)

13
8OperationDetails
8.1.CoolingModeOperation
WhenselectingtheCoolingModeOperation,theunitwilloperateaccordingtothesettingbytheRemoteControlleror
thecontrolpanelontheindoorunitandtheoperationisasthefollowing.
CS-C45FFH/CU-C45FFH
TimeDelaySafetyControl
3min.----Ifthecompressorstops,itwillnotrestartwithin3minutes.(Protectionofcompressor).
7MinutesTimeSaveControl
7min.----Theunitwillautomaticallyoperatein7minuteseveniftheroomtemperatureisnotreached.
(Preventionofraisingthehumidity)
Evaporator
Temperature
()℃10
2
Restart
4minutes
Compressorceases
Time
Anti-FreezingControl
Iftemperatureofevaporatorislowerthan2continuously
for4minutes,thecompressorwillceasetopreventthe
evaporatorfromfreezing.Fanspeedsettingwillnotbe
changed.
Whentemperatureofevaporatorreaches10,compressor
willrestartin3minutes.
DuringCoolingModeOperation,theTimeDelaySafety
Controlisavailable.
℃
℃
※
Ifthetemperatureofoutdoorheatexchangerisbelow12,aten-minutestimerwillstarttiming.Whenthe
situationpersistsfor10minutes,thecompressorwillstopandtimedelaysafetycontrolisavailable.When
thetemperatureofoutdoorheatexchangerrisesto13.5orabove,thetimercanbereset.
℃
℃
Whenthecompressorisstarted,within30seconds,
theoutdoorfanspeediscontrolledbythetemperature
ofoutdoorheatexchanger.(RefertoOutdoorFanMotor
Control)
Thefanspeedchangeseverytwominutesanditisdetermined
bythetemperatureof1’50’’ and2’aftertheprevious
determination.
Iftemperatureofoutdoorheatexchangeris45orabove
thetimerwillbecleared.Ifthetemperaturedeclinesbelow
45,thetimerstartstooperate.
℃
℃
OutdoorTemperatureControl
OutdoorFanStartControl
OutdoorFanLowTempControl
Temperature
ofCondenser
T<0
0T<10
10T<20
20T<25
25T
℃
℃≤℃
℃≤℃
℃≤℃
℃≤
FanSpeed(Tap)
1
4
7
17
30
Tempof
Exchanger
50℃
40 ℃
35℃
30℃
25℃
NO30
Fan2tapsup
Fan1tapup
Fan1tapdown
Presentsituationremains
CompressorReverseRotationProtectionControl
Compressorrunscontinueselyfor9minutesormore.
Ifthecompressorisoperatingcontinuouslyfor5minutesorlongerandtemperaturedifferencebetweenintake
airandindoorheatexchangeris2.5°Corlessfor2minutes,compressorwillstopandrestartautomatically.
(Timedelaysafetycontrolisvalid)
Compressorstartsfor5minutes
T2.5for2minutes▲≤ °C
Compressor
OFF
Compressorrestarts
▲T=IIndoorheatexchagertemperature
Thisistoprotectreverserotationofthecompressorwhtenthereisainstantaneouspowerfailure.
ntakeairtemperature-

14
IndoorFan
STOP
Lo
STOPSTOP
STOP
ON
Compressor ON
1FanspeedwillbeatHitillthecompressorceases(settemperaturereached).
2FanspeedwillbeatLowhenthecompressorrestarts.
“”
“”
※
※
40＂30＂40＂30＂20＂160＂
※1※2
Intakeairtemperature
Evaporater
temperature
10 ℃
2 ℃
Start
Stop
1.5 ℃
BasicTime
Comp.
IndoorFan
OutdoorFan
OperationIndicator
1 ’ 3 ’
3 ’
7 ’
〈〉 Operationstatus
Timedelaysafetycontrol
CompressorTestcontrol
Autorestartcontrol
Anti-freezingControl
Time
d-f,s
g
h-n
q-t
:
:
:
:
Operate
Stop
abcdefghijklmnopqrstuvwxyz
3
4’
1’
AutomaticFanSpeedMode
DuringCoolingModeOperation,useremotecontrollertoselectAutomaticFanSpeed.
Deodorizationcontrol.
TimeGraphforCoolingOperation
Fanspeedwillbeatthepointbetween"Highspeed"and"Mediumspeed".
Settemperature
CS-C45FFH/CU-C45FFH
31℃
29℃
LoLoLo

15
8.2.SoftDryModeOperation
WhenselectingSoftDrymodeoperation,theoperationwillbecoolinguntiltheroomtemperaturereachesthesettempon
remotecontrol,andthenSoftDrywillbeactivated.(DuringSoftDryModethefanofindoorunitwilloperateatsuperlow
speed.Thesoftdrymodewillrunforlessthan20minutes.)
OnceSoftDrymodeoperationisturnedoff,indoorfan,compressorandoutdoorfanwillstopfor6minutes.
●
●
CS-C45FFH/CU-C45FFH
TimeDelaySafetyProtection
Duringcoolingmodeoperation,ifthecompressorceased,itwillnotrestartwithin3minutes.
AntiFreezingControl
SameasthedenotationinCoolingOperation.(P14)
(DuringSoftDryModeOpeeration,compressorwillstopforatleast6min.)
“”low
IndoorFanSpeedControl
Indoor
fan
Compressor
Stop
ON
OFF
StopStop
ON
“”low “”Low
40＂40＂6＂
OutdoorFanStartControl
OutdoorFanLowTempControl
ThesametoCoolingOperation.
ThesametoCoolingOperation.
CoolingOperationRegion
ThesametoCoolingOperation.
SoftDryOperationRegion
1.ManualFanSpeed
WhenusingtheremotecontroltoselecttheManualFanSpeedMode,thefanspeedwillbeatLow.
2.AutoFanSpeed
DuringSoftDryOperation,useremotecontroltoselectAutoFanSpeedmode.
Deodorizationcontrol.

16
TimeGraphforsoftdryoperation
abcdefghijklmnopqrstu
Evaporator
temperature
10C
o
2C
o
BasicTime
Comp.
IndoorFan
OutdoorFan
OperationIndicator
6 ’ 6 ’ 6 ’
1 ’
6 ’ 1 ’
3’4
’
〈〉 Operationstatus
Time
Operate
Stop
Coolingmodeoperation
SoftDryModeoperation
Super
Low
Super
Low
Super
Low
Low
1.5 ℃
Coolingmodeoperationactivated
IntakeAirtemp
1.0 ℃
Coolingmodeoperationstopped
Softmodeoperationactivated
Softdrymodeoperationstop
CS-C45FFH/CU-C45FFH
CoolingModeOperation
SoftDryModeOperation
SoftDryModeOperationStopped
CompressorTestOperationControl
AntiFreezingControl
a-b,p-q
c-p,r-u
e,h-i,k-l
j-k
q-t
:
:
:
:
:
Lo LoLoLoLoLo

Coolingmode
SoftDrymode
Coolingmode
SoftDrymode
IntakeAir
temperature
SettingTemperature(standard)
Higher
Standard
Lower
23℃25℃
22℃
2℃
0℃
2℃
1.Anadditionalheatermaymakethewarmairevenlycoveringeachcorneroftheroom.
2.IndoorFanSpeedControl:
a.ManualControl
Thefanspeedcanbeadjustedmanually.
b.AutoControl
Inthefirst10minutesofoperation,thefanspeedwillbeatLow.
17
8.3.AutomaticModeOperation
StandardforDeterminingOperationMode
8.4.AirCirculationModeOperation
1.Indoorfanoperatesatsuperlowspeedfor20seconds.
2.Afterjudgingindoorairtemperature,theoperationisdeterminedandoperationcontinuedatthemodedetermined.
3.Aftertheoperationmodehasbeendetermined,themodedoesnotchange.However,SoftDrymodeoperationincludes
coolingmodeoperation.
4.Ifautomaticmodeoperationisstartedwhiletheunitisoperating,operationwillcontinue.
Ifcurrentoperationisincoolingmode(includingthecoolingmodeoperationwhenisapartofSoftDrymodeoperation)
itwillbemaintained,andifcurrentoperationisnotcoolingmode,theappropriateoperationmodeisdeterminedfor20
secondsatsuperlowfanspeed.
Thentheselectedmodewillcontinue.
5.Roomtemperatureadjustment.
CS-C45FFH/CU-C45FFH
8.5.IndoorFanMotorControl
Automaticfanspeedcontrol
Whenautomaticfanspeedset,theavailablerangeforfanspeedisfromHitoLo
BasicFanSpeed
CoolingMode
Operation
SoftDry
Operation
Manual
Auto
Category HiMe Lo SLoSTOP
Manual
Auto
ManualFanSpeedControl
Basicfanspeedcanbemanuallyadjusted(Lo,Hi)byusingthefanspeedselectionbutton.
※
※
※
Deodorizationcontrol

18
CS-C45FFH/CU-C45FFH
WhenthedelayedON-Timeissetbyusingtheremotecontrol,theunitwillstartoperateslightlybeforethesettime,
sothattheroomwillreachnearlytothesettemperaturebythedesiredtime.
ForCoolingandSoftDrymode,theoperationwillstart15minutesbeforethesettime.
ForAutomaticmode,theoperationwillstarts30minutesbeforethesettime.TheindoorfanwilloperateatLo
speedfor25secondstodetecttheintakeairtemperaturetodeterminetheoperationmode.Theoperationlamp
willblinkatthistime.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TapN0.FanON(ms)FanOFF(ms) TapN0.FanON(ms)FanOFF(ms)
0
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
4000
3600
3500
3400
3300
3200
3100
3000
2900
2800
2700
2600
2500
2400
2300
2200
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
3100
3200
4000
2100
2000
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
800
0
8.6.OutdoorFanMotorControl
8.7.DelayedON-TimerControl
TheoutdoorfanspeediscontrolledbyON-OFFstatusoftheSSRontheoutdoorPCB.
1.Pullthevanebytherightandleftportiongently.
2.Don’tusetheuppermostandthelowestvanetoadjust.
3.Don’tletthevanesdownwardcontinuouslyforalong
time,otherwisecondensationmaybecausedaround
thedischargevent.
A.VerticalAirflowDirection
8.9.AirflowDirectionControl
B.HorizontalAirflowDeirectioncontrol
Toadjusthorizontalairflowvanesgentlybyholdingthecontrol
handleonthetopleft.(Refertothefigureontheright.)
Bothverticalairflowdirectiononlycanbeadjustedmanually.
8.8.AutoRestartControlRandom
Iftheoperationisstoppedduetoapowerfailure,itwillrestartautomaticallywhenthepowersupplyisresumed.
Autorestartcontrolisactivewiththemanufactureroriginalset. Thecontrolcanbeomittedbykeepingpressing
AUTOOFF/ONbuttononindoordecorationpannelforapproximate15secondsuntil Beep,Beep,Beep-”isheard.
Toresumethecontrol,repeattheprocessabove(pressAUTOOFF/ONbuttonforapproximate15minutes)untill
Beep,Beep,Beep”isheard.
●
●
●

19
CS-C45FFH/CU-C45FFH
8.10DemoMode(Outdoorunitnotneeded)
Activatethedemomode:
Indemomode,theairconditionercanbeoperated(iftheoutdoorunitisconnectedtotheindoorunit);Whenever
youturnedofftheairconditioner,itwillrestartautomaticallyintodemomodeopertion.
KeeptheAUTObuttonontheindoor
unitdepressedcontinuouslyfor20
secondsuntil4beepsareheardand
thedemomodeisactivated.
Turnofftheair
conditioner
Demomodeoperationwillbe
restartedautomaticallyin1
minute.
Cancelthedemomode:
KeeptheAUTObuttonontheindoorunitdepressedcontinuouslyfor20secondsuntil4beepsareheard.
ON
1BEEP”
2BEEP”
3BEEP”
5seconds10seconds15seconds
AUTOTESTRUNSOUNDAutorestartDEMO
4BEEP”
20seconds
AUTO
STD
FAN
SPEED
AIR
SWING
AUTO
8.11AboutCursorKeyWhichPointsTo OFF”OnRemoteControl
AUTO
COOL
DRY
FAN
OFF
AUTO
STD
PRESS"OFF/ON"BUTTON
FAN
SPEED
AIR
SWING
AUTO
1.
2.
WhentheON/OFFbuttonontheremotecontrolispressed,thecursorkeywhichpointsto OFF”willappearor
disappeartoindicatetheON/OFFstatusoftheairconditioner.
Theairconditionerisrunningbutthecursorkeywhichpointsto OFF”appears.Theairconditionercanbe
stoppedwithanybutton(Exceptfor ON/OFF”,TIMERSET”,TIMERON”)pressed.
Theairconditionerisonstandby,butthecursorkeywhichpointsto OFF”disappears.Theairconditionercan
bestartedwithanybutton(Exceptfor ON/OFF”,TIMERSET”,TIMEROFF”)pressed.
Forsomereason(Ex.Thesignaloftheremotecontroldoesnotreachthesignalreceiveroftheindoorunit.),the
displayoftheremotecontrolwillnotcorrespondwiththeactualON/OFFstatusoftheindoorunit:
AUTO
COOL
DRY
FAN
OFF

9S
elf-diagnosis
AccordingtotheLEDontheoutdoorPCB,locationsofmalfunctioncanbedetected.Otherthanindicationsbelowoccurring,
switchoffthepowersupply,thenswitchontorestarttheoperation.
20
CS-C45FFH/CU-C45FFH
NoLED5LED4LED3LED2LED1
1●●●
PowerSupplyPhase
Problem
Negativeoropenphaseor
improperconnectionofmain
supply.
2●●
Dischargepressure
protection Refrigerationcycle
3●●
Compressorovercurrent
protection
Openphaseorlockin
compressor
4●●●Compressordischarge
temperatureprotection Insufficientrefrigerant
5●●
Condenseroutletsensor
problem
Thesensorortheconnector
CN-TH(3,4)
6●●
Compressordischarge
sensorproblem
Thesensorortheconnector
CN-DIS
7●●
Outdoorambientair
temperaturesensor
problem
ThesenorortheconnectorCN-
TH(1,2)
8●●●
Compressorcurrent
detectoropencircuit
problem
Openphaseofpowersupply,
compressorcurrentdetector
opencircuit.
9●●● Heatingpressureswitch
opencircuitproblem
Heatingpressureswitchorthe
connectorCN-PSW1
10 ●●●
Highpressureswitchopen
circuitproblem
Highpressureswitchorthe
connectorCN-PSW2
11 ●●●● Refrigerationcycleproblem Insufficientrefrigerantor
connectorCN-HOT
LEDSONOUTDOORPCB ERRORCHECKLOCATION
●LEDFlashingBlank:OFF