York YMKFZC024-048BAMN-ABFX User manual

Read this manual before installation and operation
Make sure that it is well kept for later reference
Cassette R-410A 50Hz
USER’S MANUAL
YMKFZC024-048BAM(N)-A(B)FX,YMKFZH030BAM(N)-BFX

CONTENT
IMPORTANTSAFETYINFORMATION---------------------------------------------------------------------1
PARTSNAMES---------------------------------------------------------------------------------------------------2
ADJUSTINGAIRFLOWDIRECTION-----------------------------------------------------------------------13
HINTS FORECONOMICALOPERATION-----------------------------------------------------------------2
TEMPORARYOPERATIONS---------------------------------------------------------------------------------14
MAINTENANCE-------------------------------------------------------------------------------------------------14
AIRCONDITIONEROPERATIONSAND PERFORMANCE------------------------------------------16
INSTALLATION----------------------------------------------------------------------------------------------------17
TROUBLESANDCAUSES----------------------------------------------------------------------------------18
TROUBLESAND CAUSES(CONCERNING REMOTECONTROLLER)-------------------------18
TROUBLESAND CAUSES(AIRCONDITIONER )----------------------------------------------------19

Danger
No
Household
Drain
Cleaner
IMPORTANTSAFETYINFORMATION
Donot attempt to install thisunitbyyourself.Thisunitrequires
installation byqualified persons.
Donot usecaustichousehold drain cleanersinthe unit. Drain
cleanerscan quickly destroythe unitcomponents(drain pan and
heat exchangercoiletc).
CAUTION
CAUTION
NOTE
DANGER
DANGER
WARNING
WARNING
WARNING
Donotattemptto service the unit yourself. Thisunithasno user
serviceablecomponents. Opening orremoving the coverwill
exposeyou to dangerousvoltage.Tuning offthe powersupply will
not prevent potentialelectricshock.
Toavoid the risk ofseriouselectricalshock, Neversprinkleor
spillwaterorliquidson unit.
Ventilate the room regularly while the airconditionerisin use,
especiallyif thereis alsoa gasappliancein use in this room,
Failure to follow thesedirectionsmayresult ina loss of oxygen
inthe room.
Toprevent electric shock,turn off the powerordisconnect the
powersupplyplug before beginning anycleaningorotherroutine
maintenance. Followthe directionsforcleaning inthe Owner's
Manual.
1
No
Thinner
DANGER
Neverput handsorobjectsinto theAirOutlet of indoororoutdoor
units.These unitsareinstalled witha fan runningat high speed.
Totouch the moving fan willcause seriousinjury.
Donotuse liquidcleaners oraerosolcleaners, usea soft anddry
cloth forcleaning the unit.To avoidelectricshock, neverattempt
to clean the unitsbysprinkling water.
Forproperperformance, operate the unit in temperatureand
humidityrangesindicated inthisowner'smanual. If theunitis
operated beyond theseconditions, it maycausemalfunctions
ofthe unitordew dripping from theunit.

HINTSFOR ECONOMICAL OPERATION
Thefollowing should be noticed to ensure an economicaloperation. (Referto corresponding chapter
fordetails)
Adjusttheairflowdirection properlyto avoid windingtowardyourbody.
Adjusttheroom temperature properlyto get a comfortable situationand to avoid supercooling and
superheat.
Incooling, closethecurtainsto avoiddirect sunlight.
To keep coolorwarmairin the room, neveropen doorsorwindowsmore often thannecessary.
Set thetimerforthedesired operating time.
Neverput obstructionsnearthe airoutlet ortheairinlet.Oritwillcause lowerefficiency, evena
sudden stop.
If you don't plan to use the unit fora longtime, pleasedisconnect powerand remove thebatteries
from the remotecontroller.When the powerswitchisconnected, someenergywill beconsumed,
even if the airconditionerisn't inoperation.Soplease disconnect the powerto saveenergy.And
please switchthe poweron12hours before you restart theunitto ensure asmoothoperation.
Aclogged airfilterwillreducecoolingorheating efficiency, pleaseclean it oncetwoweeks.
PARTSNAMES
fb
d
e
i
a
j
k
e
gdeDisplayPanel
The airconditionerconsistsof the indoorunit, the outdoorunit,the connecting pipeand the remote
controller.
Cassette Type
NOTICE!
This chartisbasedon24000Btu/htype. So, afew differencesmayexist ontheoutlookand functions
fromyours.
2
lmnop
h
qr

a)indoorunitb)outdoorunit
c)remote controllerd)air-in
e)air-outf)airoutlet
g)airflow louver(at airoutlet)h)connectingpipe
i)drain hose j)airinlet (with airfilterinit)
k)drain pump(drainwaterfromindoorunit)l)temporarybutton
m)operation lampn)timerindicator
o)infowindow p)frost indicator
q)alarmindicatorr)infrared signalreceiver
NAMESANDFUNCTIONS
NAMESANDFUNCTIONS
h
b
d
e
i
mn
l
p
o
bc
f
a
de
ghi
j
k
m
o
p
l
n
k
f
d
j
a
k
g
DisplayPanel
High-staticPressureParvisSplitType
NOTICE!
This chartisbasedon24000Btu/htype. So, alittledifferencesmayexist on theoutlookandfunctions
fromyours.
indoorunit
air-inlet
heat exchanger
outdoorunit
air-out
connecting pipe
E-Box
remote
controller
airoutlet
drain
hose
infraredsignalreceiver
operation lamp
timerindicator
temporarybutton
PRE-DEFindicator (cooling andheatingtype)orfan onlyindicator(cooling
alarmindicator
onlytype)
3

DuctandCeilingType
h
b
f
d
d
e
i
mn
l
p
o
j
a
g
k
NOTICE!
Thischartisbasedon24000Btu/htype.So,afewdifferences mayexistontheoutlookand
functionsfromyours.
a)indoorunit b)outdoorunit
c)remotecontrollerd)air-in
e)air-outf)airoutlet
g)airflowlouver(atairoutlet)h)connecting pipe
i)drainhosej )airinlet(withairfilterinit)
l )manualbutton
mn)timerindicator
o)PRE-DEFindicatorp)alarmindicator
(Inthe case of"cooling onlytype", it isthe"FANONLY"indicator.)
k)infraredsignalreceiver
)operation lamp
NOTICE:
NAMES ANDFUNCTIONS
4
d

i
mn
l
o
a
DisplayPanel
h g
k
j
b
d
NAMESANDFUNCTIONS
bc
f
a
de
gh
i
k
m
o
l
n
NOTICE!
indoorunit
air-in
drain hose
outdoorunit
airflow louver(at airoutlet)
remote
controller
connecting pipe
infrared signalreceiver
operation lamp
timer indicator
temporary button
AlarmIndicator
j
FAN/DEFindicator
(Forcooling and heating type, it,sDEF.,forcoolingonlytype, it,sFAN)
Air-out
Thechart based on one modelof ourproduct isforreferenceonly, which maybe different from
theunityou purchased.
5
ForSlimDuctType
e
f
E-Box

NOTICE!
Thischartis basedon24000Btu/h.type. So,afewdifferences mayexistontheoutlookand functionsfrom yours.
ForSlimDuctType
f
b
d
e
i
mn
l
p
o
a
DisplayPanel
h
g
k
j
NAMESANDFUNCTIONS
bc
f
a
deg
hi
j
k
m
o
p
l
n
indoorunit
air-out
outdoorunit
air-inlet
connectingpipe
E-Box
remote
controller
air-outlet
drain
hose
infraredsignalreceiver
operation lamp
timerindicator
temporarybutton
PRE./DEF.indicator (cooling and heatingtype)orfan onlyindicator(cooling
alarmindicator
onlytype)
6

NAMESANDFUNCTIONS
h
b
d
e
i
mn
l
p
o
bc
f
a
de
ghi
j
k
m
o
p
l
n
k
f
d
j
a
f
g
DisplayPanel
indoorunit
air-out
heat exchanger
outdoorunit
air-outlet
connecting pipe
E-Box
remote
Controller
air-inlet
drain
hose
infraredsignalreceiver
operation lamp
timerindicator
temporarybutton
PRE./DEF.Indicator (Coolingandheatingtype)orfan onlyindicator(cooling
alarmindicator
onlytype)
For SlimDuctwithairinletboxType
7

This picture isbasedon the type of 18000Btu/h, Sothe appearance and function may be
differentfromthe unit you purchased.slightly
12 13 14 15
2
6
7
4
3
8
5
1911
10
IndoorUnitAssy
OutdoorUnitAssy
Controlboard
Inlet
Outlet
Manual
OPERATION TIMER DEF./FAN. ALARM
IndoorUnit
Airoutlet
Drainhose
DrainPump(Internalinstalled),waterdrainfromindoorunit.
Infrared Signalreceiver
Timerindicator
Alarmindicator
Defrostindicator heating/coolingtypeor fanindicator (cooling
only type)
OutdoorUnit
Verticallouver
Manualbutton
RemoteController
Connectingpipe
Run lamp
1
7
10
4
9
13
15
2 3
PartsNames:
11 12
14
8
5 6
AirInlet(Airfilterinstalled insidetopreventthedust)
Four-way Cassette(slim)Type
8

OUTDOORUNIT
Displaypanel
INDOOR UNIT
Outletlouver
Inlet
Filter
Displaypanel
Remotecontroller
Refrigerantconnecting,drain
hosepipe
Electricwiring
Trap
Air outlet
Air inlet(sideandrear)
inlet
inlet
outlet
MANUAL
RUN TIMER DEF ALARM
MANUAL
RUN TIMER FAN ALARM
MAUALbutton
Runlamp
FANindicator(Cooling/Heating
typewithout)
TIMERindicator
ALARMindicator
DEF.indicator(Cooling-onlytype
without)
N
16
INDOORUNIT
DISPLAYPANEL
OUTDOORUNIT
16
One-wayCassette Type
9
Cooling-onlytypeCooling&Heatingtype

f
g
DisplayPanel
Ceiling&FloorType(for)VERTICALDISCHARGEAIRCONDITIONER
10
NAMESANDFUNCTIONS
bc
f
a
de
gh
i
k
m
o
l
n
NOTICE!
indoorunit
air-in
drain hose
outdoorunit
airflow louver(at airoutlet)
airinlet(withairfilterin it)
installationpart
remote
controller
connecting pipe
infraredsignalreceiver operation lamp
timerindicator
temporarybutton
alarmindicator
j
FAN/DEFindicator
(Forcooling and heating type, it,sDEF.,forcoolingonly type, it,sFAN)
Pair-out
Thechart based on one modelof ourproduct isforreferenceonly, which maybe different from
theunityou purchased.
b
d
p
n
m
o
l
k
J

f
g
DisplayPanel
NAMESANDFUNCTIONS
bc
f
a
de
gh
i
k
m
o
l
n
NOTICE!
indoorunit
air-in
drain hose
outdoorunit
airflow louver(at airoutlet)
airinlet(withairfilterin it)
installationpart
remote
controller
connecting pipe
infraredsignalreceiver operation lamp
timerindicator
temporarybutton
alarmindicator
j
FAN/DEFindicator
(Forcooling and heating type, it,sDEF.,forcoolingonly type, it,sFAN)
Pair-out
Ceiling&FloorType
11
Thechart based on one modelof ourproduct isforreferenceonly, which maybe different from
theunityou purchased.
n
m
o
l
k
J
b
d
p

f
b
d
p
i
n
m
o
l
a
j
k
g
e
d
DisplayPanel
h
p
NAMESANDFUNCTIONS
bc
f
a
de
gh
i
k
m
o
l
n
NOTICE!
indoorunit
air-in
drain hose
outdoorunit
airflow louver(at airoutlet)
airinlet(withairfilterin it)
installationpart
remote
controller
connecting pipe
infraredsignalreceiver operation lamp
timerindicator
temporarybutton
alarmindicator
j
FAN/DEFindicator
(Forcooling and heating type, it,sDEF.,forcoolingonly type, it,sFAN)
Pair-out
Ceiling&FloorType
12
Thechart based on one modelof ourproduct isforreferenceonly, which maybe different from
theunityou purchased.

ADJUSTINGAIR FLOWDIRECTION
CassetteType
Whilethe unit isin operation, youcan adjusttheairflow louverto change the flow direction andnatu-
ralize the room temperatureevenly.Thusyou canenjoyit morecomfortably.
1. Set thedesired airflow direction.
PushtheSWINGbutton to adjustthe louverto the desiredposition and push thisbuttonagainto
maintainthelouverat thisposition.
2. Adjust theairflow direction automatically.
PushtheSWINGbutton, the louverwillswingautomatically.
Whilethisfunction is set, the swing fan of indoorunit runs;otherwise,theswingfandoesn't run.The
swing scaleof everyside is30. Whentheairconditionerisn't in operation(includingwhen "TIMER
ON"isset), the SWINGbutton willbe disabled.
0
Thefollowingishowtoadjustairflowdirectionwhenairoutletpart (separatelysaled)is
usedwiththeindoorunit.
Heating
Toeffectivelyheatthe bottomoftheroom,
Please setthelouverso thattheaircan
comeoutdownwards.
Duct and Ceiling Type
Cooling
Toeffectivelycoolthewholeroom, please
setthelouversothattheaircancomeout
horizontally.
ADJUSTITUPAND DOWN
13

TEMPORARYOPERATIONS
MAINTENANCE
TEMPORARY
BUTTON
Thisfunction isusedto operate the unittemporarily
in case youmisplacetheremote controllerorits
batteriesare exhausted. TwomodesincludingAUTO
and mandatory COOLcanbe selected throughthe
TEMPORARYBUTTON on the airinlet grillcontrol
boxof the indoorunit. Onceyou push thisbutton, the
airconditionerwillrun in such order:AUTO,
mandatory COOL, OFF, and backto AUTO.
1. AUTO
TheOPERATIONlamp islit, and the airconditioner
willrun underAUTOmode.The remotecontroller
operation isenabledto operate according to the
received signal.
2. mandatoryCOOL
TheOPERATIONlamp flashes,the airconditioner
willturnto AUTOafteritisenforced tocoolwith a
wind speedof HIGH for30 minutes.The remote
controlleroperation isdisabled.
3. OFF
Note: Onlytakethe cassette type as
example.
TheOPERATIONlamp goesoff. Theairconditioner
isOFF while the remotecontrolleroperation is
enabled.
14
WARNING
Cleaning the indoorunitandremote controller
WARNING
Before you clean theairconditioner,be suretodisconnectthe powersupplyplug.
If you donot plan to use the unit forat least 1 month.
(1)Operate the fanforabout half adayto drythe inside ofthe unit.
(2)Stop the airconditionerand disconnectpower.
(3)Remove the batteriesfrom the remote controller.
Use a drycloth towipe theindoorunit and remote controller.
Acloth dampened with coldwatermaybe used on the indoorunit ifit isverydirty.
Neveruse adamp cloth onthe remote controller.
Donot usea chemically-treted dusterforwipingorleavesuchmaterialon the unit forlong,
becauseit maydamage orfadethe surface ofthe unit.
Donot usebenzine, thinner, polishing powder, orsimilarsolventsforcleaning.Thesemay
cause the plasticsurface to crackordeform.
CAUTIONS

Checksbeforeoperation
Cleaning the air filter
Check that thewiring is not broken off ordisconnected.
Check that theairfilterisinstalled. (Someair-conditionershaven't airfilters.)
Check that theoutdoorunit airoutlet orinletis notblocked.
Before you clean the airconditioner, besureto disconnectthe powersupplyplug.
2. Take out the air-ingrill(togetherwith the airfiltershowninSketchB)
Pulltheair-in grilldown at 45andlift it upto take out the grill.
3. Dismantle the airfilter
4. Clean the airfilter(Vacuum cleanerorpurewatermaybe used toclean the airfilter. If the dust
accumulationistoo heavy, pleaseuse soft brush and mild detergent to cleanitanddry outincool
place).
o
Theair filter can prevent the dustor other particulatefromgoing inside .Incaseofblockageof thefilter, the
workingefficiencyof theair conditioner maygreatlydecrease.Therefore, thefilter must be cleanedoncetwo
weeksduring longtimeusage.
If the air conditioner ispositionedin adust place, the cleaningfrequencyofthe air filter must beincreased.
If the accumulated dustistoo heavytobecleaned , pleasereplacethefilterwithanew one(replaceableair
filter isanoptional fitting).
AB
1. Opentheair-in grill
asindicated in sketchA.Then pulldown the air-ingrill.
Pressthe couple of grill'sbuttonssimultaneously Cautions: The control boxcables,whichareoriginally connected withthe mainbodyelectricalterminators
must bepulledoff beforedoingasindicatedabove.
CassetteType
15
CAUTIONS

DuctandCeilingType
Three-minuteprotectionfeature
Powerfailure
Aprotection featurepreventsthe airconditionerfrombeing activatedforapproximately3 minutes
when it restartsimmediatelyafteroperation.
Powerfailure during operationwillstop the unit completely.
Disconnect the unit with the powerand thenconnect theunit withthepoweragain. Push the ON/OFF
buttonontheremote controllertorestart operation.
TheOPERATIONlamp on the indoorunit willstartflashingwhen poweris restored.
To restart operation, push the ON/OFF buttonontheremote controller.
Lightning ora carwirelesstelephone operating nearbymaycause the unitto malfunction.
Clip
Open<
2. Take out the air-ingrill.
3. Dismantle the airfilter
4. Clean the airfilter(Vacuum cleanerorpurewatermaybe used toclean the airfilter. If the dust
accumulationistoo heavy, pleaseuse soft brush and mild detergent to cleanitanddry outincool
place).
1. Opentheair-in grill
Pushthegrillswitchestowardsthe middlesimultaneouslyasindicatedinfollow figuresketch.
Then pulldown the air-ingrill.
Cautions: The controlboxcables,which are originallyconnectedwith the mainbodyelectrical
terminators mustbe pulled off beforedoingasindicatedabove.
Fig.1 Fig.2
The air-in side should faceup when using vacuum cleaner. (See Fig. 1)
The air-in side should facedown when usingwater. (See Fig. 2)
Donot dry out theairfilterunderdirect sunshine orwithfire.
5. Re-installthe airfilter
6. Installandclose the air-ingrillinthe reverseorderof step 1 and 2andconnect thecontrolbox
cablesto the corresponding terminatorsof the mainbody.
Cautions :
Note: High-staticPressure ParvisSplitType hasnoairfilter.
16
AIR CONDITIONER OPERATIONS ANDPERFORMANCE

Airconditioneroperatingconditions
Relocation
Forproperperformance, runtheairconditionerunderthefollowing temperatureconditions:
If youmoveout orif itisdesired to relocatetheairconditioner, consult yourdealer, because special
skills to withdraw Freon, purge airand performotheroperationsarerequired.
If airconditionerisused beyondtheaboveconditions,safetyprotection featuresmaycomeinto
operation.
Coolingoperation
Outdoortemperature: 21to 43Cor21 to 52C(T3 type)
oo
Outdoortemperature: -5 to24C
o
Outdoortemperature: 11 to 43C or21 to 52C(T3 type)
oo
Room temperature: 17to 32C
o
Room temperature: 0 to 30C
o
Room temperature: 17to 30C
o
CAUTION
Room relative humiditylessthan 80%. If theairconditioner
operatesin excess of thisfigure, the surfaceof the airconditioner
mayattract condensation.
Dry operation
Heating operating
(coolingonlytypewithout)
Location:
Becareful ofnoiseorvibrations
Wire
During cooling operation, theairconditionerwilldry the roomair, soplease fixapipe to drain all the
waterawayfrom the airconditioner.
Pleaselet theindoorunit morethan onemetre awayfromthe TVset and the radioin orderto avoid
the pictureand noise interference.
Powerfulradio transmittersoranyotherdevicesradiating highfrequency radio wavescan cause
the airconditionerto malfunction. Please consultthe dealerwhere you purchased the airconditio-
nerbefore installing it.
Don't fix the unitinthe dangerousregion withcombustiblegasorvolatile matter.
Ifthe airconditioneroperatesinanatmosphere containingoils(machine oil), salt(neara coastal
area), sulfide gas(nearahotspring), etc.,suchsubstancesmaylead to failure of theairconditioner.
Pleasefixthe unitin thestableplace to avoid thenoise orvibrations.
The noise nearthe airoutletofthe outdoorunit mayenterthe airexit.
Locatethe outdoorunitwhere noiseemitted byitorhot airfrom itsairoutlet willcausenonuisance
toyourneighbours.
Ifthe airconditionersoundsabnormalduring operation, contact the dealerwhere you purchased the
airconditioner.
To avoid theelectricshock,pleaselinktheairconditionerwith the ground.Theplug inthe air
conditionerhasjoined theground wiring, please don't changeit freely.
The powersocket isusedastheairconditionerspecially.
Don't pull thepowerwiring hard.
Whenlinking theairconditionerwith the ground,observe thelocalrulers.
Ifnecessary,usethe powerfuse orthe circuit,breakerorthe corresponding scaleampere.
Ifyouwant to change thepowerwiring, please contact thecentre service of thelocalMD electric
appliance.
INSTALLATION
17

Beforeyou askforservicing orrepairs,checkthe followingpoints.
Setting ChangeisImpossible
Symptoms Causes Reason and Disposal
Thefanspeedcan not be
changed.
CheckwhethertheMODE
indicatedon the displayis
"AUTO"
CheckwhethertheMODE
indicatedon the displayis
"DRY"
Whentheautomaticmodeis
selected,theairconditioner
automaticallyselectsthefan
speed.
Whendry operation is selected,
theairconditionerautomatically
select thefanspeed. The fan
speed canbe selected during
"COOL"and"FAN ONLY", and
"HEAT"
TROUBLES ANDCAUSES
(CONCERNINGREMOTE
CONTROLLER)
TROUBLESAND CAUSES
Beforeyou askforservicing orrepairs,checkthe followingpoints.
Thepowerfuseisblownorthe circuitbreakerhasbeen tripped.
Thebatteriesinthe remote controllerareexhausted.
Thetimerisset.
Abad odorcomesfromtheairconditioner.
Theairinlet oroutletof the outdoorunitisblocked.
Doorsorwindowsare open.
Theairfilterisclogged withdust.
Thelouverisnot at thecorrectposition.
Thefanspeedisset to low.
Thetemperature settingistoo highortoo low.
Smellsimpregnated inthe wall, carpet, furniture, clothing, orfurs, are comingout.Awhite mist
of chilled airorwaterisgeneratedfrom the outdoorunit.
Theindicatorlampsflashrapidly(fivetimespersecond), youdisconnect the unit with the power
and then connectthe unit with the poweragainaftertwo orthreeminutesbut the lampsstillflash.
Switchoperationsareerratic.
Thefuse is blown frequently orthe circuitbreakeris trippedfrequently.
Foreignmatterorwaterhasfallen insidetheairconditioner.
Anyotherunusualcondition isobserved.
Recheck
Thesearenotfailures
Inoperative
Roomairissmelly.
Does notcoolorheatwell.
If anyof the following conditionsoccur, stop the airconditionerimmediately,set to off the power
switch, and contact the dealer:
CAUTION
18