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