Toshiba Ras 22lah A User Manual

OWNER’S MANUAL  
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)
SPLIT TYPE  
AIR CONDITIONER  
For general public use  
Indoor Unit  
Outdoor Unit  
RAS-18LKH-A  
RAS-22LKH-A  
RAS-18LAH-A  
RAS-22LAH-A  
Thank you very much for purchasing TOSHIBA  
Air Conditioner. Please read this owner’s  
manual carefully before using your  
Air Conditioner.  
A
A
SLEEP  
ON/OFF  
TEMP.  
CONTENTS  
2
6
P R ECAUTIONS  
BEFOR E OP ER ATION  
UNIT DESCRIPTION  
6
8
REMOTE CONTROL DESCRIPTION  
REMOTE CONTROL PREPARATION  
UNIT OP ER ATION  
11  
13  
13  
14  
15  
20  
21  
22  
23  
23  
25  
26  
26  
27  
AUTOMATIC OPERATION  
MANUAL OPERATION  
TIMER OPERATION  
DISCHARGE AIR LOUVER CONTROL  
EMERGENCY AND TEST OPERATION  
AIR CLEANING OPERATION  
CAR E AND MAINTENANCE  
POINTS TO NOTE  
CLEANING THE FILTERS AND FRONT PANEL  
CLEANING THE MAIN UNIT  
AFTER-SEASON CARE  
TROUBLESHOOTING  
OWNER ,S MANUAL - 2  
PRECAUTIONS  
Insta lling a nd se rvic ing a ir c onditioning e quipme nt c a n be ha za rdous due to syste m pre ssure a nd e le c tric a l  
c ompone nts.  
Only tra ine d a nd qua lifie d se rvic e pe rsonne l should insta ll or se rvic e this e quipme nt.  
Untra ine d pe rsonne l c a n pe rform ba sic ma inte na nc e func tions suc h a s c le a ning the c oil a nd filte rs, a nd re pla c ing  
filte rs.  
All othe r ope ra tions should be pe rforme d by tra ine d se rvic e pe rsonne l.  
Whe n working on a ir c onditioning e quipme nt, obse rve pre c a utions in the lite ra ture , ta gs a nd la be ls a tta c he d to the  
unit.  
WARNING  
Be fore pe rforming se rvic e or ma inte na nc e ope ra tions on the syste m, turn off the ma in powe r of the unit. Ele c tric  
shoc k c a n c a use pe rsona l injury.  
WARNING  
Use the c orre c t volta ge .  
Using volta ge othe r tha n spe c ifie d will da ma ge  
the unit.  
WARNING  
Che c k the powe r plug.  
If the powe r plug is not inse rte d tightly, or if the re is  
a ny da ma ge to the powe r c ord, it c ould re sult in  
le a ka ge or e le c tric shoc k.  
WARNING  
Do not use the powe r c ord a s a me a ns of turning  
off the unit.  
OWNER ,S MANUAL - 3  
PRECAUTIONS  
WARNING  
Do not use fla mma ble spra ys ne a r the unit.  
The unit c a n be da ma ge d by ga soline , be nze ne , thinne rs,  
inse c tic ide s a nd othe r c he mic a l a ge nts.  
WARNING  
Whe n unplugging the powe r plug, do not pull by the  
powe r c ord.  
The powe r c ord will ge t da ma ge d a nd it c a n c a use  
e le c tric shoc k.  
WARNING  
To a void the risk of se rious e le c tric shoc k, ne ve r  
spla sh the indoor a nd the outdoor unit with wa te r.  
WARNING  
Do not put ha nds or obje c ts into the disc ha rge grille  
of outdoor unit.  
This unit ha s a fa n running a t high spe e d. It is ve ry da nge rous  
to touc h the fa n.  
WARNING  
Use only fuse s of the prope r a mpe ra ge .  
OWNER ,S MANUAL - 4  
PRECAUTIONS  
WARNING  
Be c a re ful to ke e p the room te mpe ra ture a c omforta ble le ve l.  
Avoid c ontinuous dire c t a ir flow to the oc c upa nt,  
e spe c ia lly in c a se of sle e ping pe rsons or hospita l pa tie nts.  
WARNING  
Do not obstruc t the front of the disc ha rge grille of both units.  
This will bloc k a ir flow, re duc e the c ooling e ffe c t  
a nd ma y re sult in unit ma lfunc tion.  
WARNING  
Ve ntila te the room whe n it be c ome s stuffy or  
fille d with unde sira ble odors.  
WARNING  
Ke e p he a t sourc e s a wa y from the unit; high  
te mpe ra ture c a n c a use da ma ge .  
WARNING  
Se t a c omforta ble te mpe ra ture .  
Ve ry low or ve ry high te mpe ra ture se tting c onside r-  
a bly inc re a se powe r c onsumption.  
27°C  
OWNER ,S MANUAL - 5  
PRECAUTIONS  
WARNING  
To c irc ula te the room a ir only, ope ra te a t the FAN mode .  
WARNING  
In summe r, if possible , pre ve nt dire c t sunlight from  
e nte ring the room; dra w c urta ins or blinds.  
WARNING  
Use the time r c orre c tly to ma inta in c omfort c onditions.  
WARNING  
Ple a se re a d this owne r,s ma nua l c a re fully be fore  
ope ra ting the unit.  
It c onta ins furthe r importa nt instruc tions for prope r ope ra tion.  
OWNER ,S MANUAL - 6  
BEFORE OPERATION  
UNIT DESCRIPTION  
Indoor Unit  
ROOM AIR INLET  
AIR FILTER  
ACTIVE CARBON FILTER &  
OPTION 1 : ELECTROSTATIC FILTER  
OPTION 2 : PHOTO-CATALYST FILTER  
REMOTE CONTROL SIGNAL RECEIVER  
AIR SWING FLAP  
VERTICAL LOUVER  
ROOM AIR OUTLET  
POWER PLUG  
LCD REMOTE CONTROL  
OUTDOOR AIR OUTLET  
OUTDOOR AIR INLET  
INDOOR AND OUTDOOR  
CONNECTION  
DRAIN HOSE  
Outdoor Unit  
OWNER ,S MANUAL - 7  
BEFORE OPERATION  
Indoor Unit Display  
UNIT ON(Gre e n): Whe n the unit is switc he d on by the re mote c ontrol,  
a gre e n light will be displa ye d.  
TIMER(Ora nge ) : Whe n the unit is in re se rva tion mode ,  
a n ora nge light will be displa ye d.  
Switch Panel  
EMERGENCY  
TEST  
• EMERGENCY button :  
Ca n be use d whe n the re mote c ontrol is lost or inope ra tive .  
• TEST button :  
Is only use d by se rvic e me n to te st the unit ope ra tion.  
For the usa ge of EMERGENCY a nd TEST buttons, re fe r to  
EMERGENCY AND TEST OPERATION, p.21.  
OWNER ,S MANUAL - 8  
BEFORE OPERATION  
REMOTE CONTROL DESCRIPTION  
Names and Functions of the Buttons  
ON/ OFF BUTTON  
1
If you pre ss this button, the unit will be gin ope ra tion. Pre ss the  
button a ga in, a nd ope ra tion stops. ( You c a n he a r a re c e iving  
be e p. ) If you pre ss this button imme dia te ly a fte r turning off  
the unit, the c ompre ssor will not ope ra te for 3 minute s to  
pre ve nt ove rloa ding.  
A
TEMPERATURE SETTING BUTTONS  
2
If you se t the de sire d room te mpe ra ture , the n the unit will  
ma inta in the room te mpe ra ture a s se t . In COOL mode , if the  
room te mpe ra ture is highe r tha n the se tting, the c ompre ssor  
will a utoma tic a lly turn on to provide a c ooling e ffe c t. On the  
othe r ha nd, if the room te mpe ra ture is lowe r tha n the se tting,  
the c ompre ssor will a utoma tic a lly turn off to stop c ooling  
ope ra tion. In HEAT mode , if the room te mpe ra ture is lowe r  
tha n the se tting, the c ompre ssor will a utoma tic a lly turn on to  
provide a he a ting e ffe c t. If the room te mpe ra ture is highe r  
tha n the se tting, the c ompre ssor will a utoma tic a lly turn off to  
stop he a ting ope ra tion. Howe ve r,the indoor fa n will c ontinue  
to c irc ula te a ir e ve n if the c ompre ssor is turne d off.  
SWING  
A
SLEEP  
ON/OFF  
TEMP.  
MODE  
FAN  
FLAP  
SLEEP TIMER BUTTON  
3
4
CLOCK EVERYDAY HOUR MINUTE  
Pre ss this button to se t the SLEEP time r. (Re fe r to p.19)  
TIMER  
RESERV. CANCEL  
ON  
OFF  
RST  
TA  
OPERATION MODE SELECTING BUTTON  
Pre ss this button to se le c t the de sire d mode .  
In AUTO mode , the unit will run a utoma tic a lly by se le c ting  
COOL or HEAT mode a c c ording to the indoor room te mpe ra ture .  
In DRY mode , the mic roc ompute r of the unit c ontrols the indoor  
fa n motor a nd ma ke s the outdoor unit a utoma tic a lly turn on  
a nd off a c c ording to the room te mpe ra ture , whic h c a use s  
moisture to be re move d more e ffe c tive ly.  
In COOL mode , the unit will run a t the norma l c ooling mode .  
In FAN mode , only the indoor fa n will ope ra te a t the se le c te d  
fa n spe e d a nd c irc ula te room a ir. In HEAT mode , the unit will  
run a t the norma l he a ting mode .  
OWNER ,S MANUAL - 9  
BEFORE OPERATION  
FLAP CONTROL BUTTON  
6
7
Controls the disc ha rge a ir flow dire c tion up a nd down.  
( Re fe r to p.20 ) On sta rt up, the fla ps ope n a utoma tic a lly  
a c c ording to the ope ra ting mode .  
If you pre ss this button, the fla p will move ste pwise a nd  
the position will be displa ye d. If you pre ss this button  
a ga in, the unit ope ra te s a t “SWING” mode . At ope ra ting  
mode SWING, the fla p will swing up a nd down  
c ontinuously.  
ON/ OFF TIMER AND CURRENT TIME  
BUTTONS  
If you se t the ON a nd OFF time s, the unit will a utoma tic a lly  
turn on a nd off a t the se t time s.  
( Re fe r to pp.15 -16 )  
If you pre ss the CLOCK button during Time r ope ra tion,  
you will se e the c urre nt time for 5 se c onds.  
HOUR/ MINUTE SETTING BUTTONS  
8
9
Adjust the c urre nt time (Re fe r Pa ge 11) a nd the on/off  
time s of time r ope ra tion with the se buttons.  
RST  
TA  
LR03(AM4)1.5V  
LR03(AM4)1.5V  
RESERVATION AND CANCEL BUTTONS  
Pre ss the RESERV. button to re se rve the ON/OFF Time r a nd  
pre ss the CANCEL button to c a nc e l the re se rve d on/off  
time . ( Re fe r to pp.15 -18 )  
EVERYDAY TIMER BUTTON  
10  
Pre ss the EVERYDAY button a nd the on/off time you ha ve  
re se rve d will be re pe a te d until c a nc e lle d. ( Re fe r to pp.15 -18 )  
CURRENT TIME ADJUSTING BUTTON  
11  
Pre ss this button to a djust the c urre nt time . ( Re fe r to p.11 )  
RESET BUTTON  
12  
Pre ss this button whe n the re mote c ontrol is not ope ra ting  
prope rly or a fte r re pla c ing ba tte rie s.  
( Re fe r to p. 11 )  
FAN SPEED SELECTING  
BUTTON  
5
Pre ss the button to se le c t the de sire d fa n  
spe e d of AUTO, LOW, MED or HIGH, a nd the  
indoor fa n will ope ra te a t the se le c te d fa n  
spe e d.  
If you se le c t AUTO, the fa n spe e d will be  
c ontrolle d by the mic roc ompute r of the unit.  
ADDRESS SWITCH  
13  
If you ha ve two indoor units in the sa me room, you c a n  
link one re mote c ontrol with one indoor unit, a nd link the  
othe r re mote c ontrol with the othe r indoor unit.  
( Re fe r to p.11 )  
OWNER ,S MANUAL - 10  
BEFORE OPERATION  
Remote Control Display  
Indic a te s the se le c te d te mpe ra ture .  
5
6
A
Indic a te s fla p mode s  
SWING  
AUTO  
Automa tic position  
Use r se le c te d position  
Swing up a nd down  
SWING  
A
Indic a te s the se le c te d ope ra ting mode .  
1
Indic a te s the re se rve d sta tus of SLEEP time r or  
EVERYDAY time r.  
7
8
9
A
AUTOMATIC CHANGEOVER  
Indic a te s the re se rva tion time of ON time r a nd  
OFF time r or the c urre nt time .  
COOL DRY FAN HEAT  
Lights up whe n the signa l from the re mote  
c ontrol is tra nsmitte d.  
A re c e iving be e p is he a rd from the unit.  
2
3
Indic a te s the se le c te d fa n spe e d.  
Lights up whe n the ba tte rie s must be  
re pla c e d with ne w one s. Whe n this ma rk  
a ppe a rs, re pla c e the ba tte rie s within a  
we e k.  
A
AUTO LOW MED HIGH  
Lights up whe n the unit is ope ra ting.  
4
OWNER ,S MANUAL -11  
BEFORE OPERATION  
REMOTE CONTROL PREPARATION  
Replacing Batteries  
1 Re move the c ove r of the  
2
3
Re move the use d ba tte rie s a nd  
inse rt ne w ba tte rie s. The re mote  
c ontrol use s two a lka line ba tte rie s.  
(1.5V, LR03x2)  
Pre ss the RST button with a sha rp  
obje c t to re se t the re mote c ontrol .  
ba tte ry c ompa rtme nt a t the  
ba c k of the re mote c ontrol by  
sliding it out in the dire c tion of  
the a rrow.  
SLEEP  
ON/ OFF  
TEMP.  
RST TA  
MODE  
FAN  
FLAP  
RST TA  
LR03(AM4)1.5V  
CLOCK EVERYDAY HOUR MINUTE  
LR03(AM4)1.5V  
TIM
NCEL  
O
N
LR03(AM4)1.5V  
LR03(AM4)1.5V  
RST  
NOTE  
Do not fit use the use d ba tte rie s or ba tte rie s of a diffe re nt type . Suc h use ma y c a use the unit to ma lfunc tion.  
Cha nging ba tte rie s should be done a fte r turning off the unit.  
The a ve ra ge ba tte ry life during norma l use is a pproxima te ly one ye a r.  
Whe n the a ir c onditione r doe s not ope ra te norma lly a fte r re pla c ing the ba tte rie s, re move the ba tte rie s, re fit  
the m a nd re pre ss the RST button a fte r 5 se c onds.  
TA/RST button ma y loc a te ba c k side ne a r ba tte ry c ompa rtme nt for some mode ls.  
Setting Current Time  
Pre ss the TA button with a sha rp  
obje c t a nd the c urre nt time  
indic a tion symbol fla she s. In the  
be ginning, 6:00A.M. will fla sh.  
Se t the c urre nt time with the hour  
a nd the minute buttons while the  
c urre nt time indic a tion fla she s.  
Pre ss the TA button a ga in.  
The fla shing will stop a nd the  
c urre nt time will be se t.  
4
5
6
SLEEP  
ON/ OFF  
SLEEP  
SLEEP  
ON/ OFF  
ON/ OFF  
TEMP.  
TEMP.  
TEMP.  
MODE  
FAN  
FLAP  
MODE  
FAN  
FLAP  
MODE  
FAN  
FLAP  
CLOCK EVERYDAY HOUR MINUT  
E
CLOCK EVERYDAY HOUR MINUT  
E
CLOCK EVERYDAY HOUR MINUT  
E
TIMER  
RESERV. CANCEL  
TIMER  
O
N
O
FF  
TIMER  
O
N
O
FF  
O
N
O
FF  
RST  
TA  
RST  
TA  
RST  
TA  
MatchingAddress between Indoor Unit and Remote Control  
Whe n two units a re use d in the sa me room, you c a n ma tc h the a ddre ss of the re mote c ontrol to tha t of the unit.  
1
2
Re move the lid of the ba tte ry c a se . Assign the a ddre ss switc h of one re mote c ontrol a s B.  
Pre ss the RST button with a sha rp obje c t.  
Turn off the unit a nd pull out the powe r plug. Re move the front pa ne l, Te rmina l bloc k c ove r, a nd Fra me grille .  
Pull out the PCB. Assign the a ddre ss switc h of one indoor unit a s B.  
3
NOTE  
This func tion must only be pe rforme d by qua lifie d se rvic e pe rsonne l.  
OWNER ,S MANUAL - 12  
BEFORE OPERATION  
Signal Receiving  
The re mote c ontrol will only func tion whe n ope ra te d within 5 me te rs of the unit.  
You c a n he a r a be e ping sound from the unit in the following  
c a se s, whic h indic a te s tha t the signa l is re c e ive d.  
5m ma ximum  
CAUTION  
The a ir c onditione r will not ope ra te if c urta ins,  
doors or othe r ma te ria ls bloc k the signa ls from the  
re mote c ontrol to the unit.  
If the infra re d signa l re c e ive r on the unit is e xpose d  
to dire c t sunlight, the a ir c onditione r ma y not work  
prope rly.  
Dra w the c urta ins to a void dire c t sunlight.  
Avoid spilling liquid onto the re mote c ontrol  
or dropping it. This c a n c a use de forma tion,  
disc olora tion a nd ma lfunc tion.  
A mounting bra c ke t for the re mote c ontrol is  
supplie d with the unit.  
Insta ll the mounting bra c ke t on the wa ll 30c m  
be low the re c e ive r of the unit.  
OWNER ,S MANUAL - 13  
UNIT OPERATION  
AUTOMATIC OPERATION  
Automa tic ope ra tion me a ns tha t the a ir c onditione r ope ra te s a utoma tic a lly by se le c ting the COOL or HEAT mode a nd  
a utoma tic a lly c ha nge s the fa n spe e d a c c ording to the indoor c ondition to ke e p the room te mpe ra ture  
c omforta ble .  
PROCEDURE  
ON/OFF button  
1
Pre ss this button a nd the unit sta rts AUTO ope ra tion.  
A
MODE button  
2
If the unit is ope ra ting in a nothe r mode , pre ss the MODE  
button to se le c t AUTO.  
A
TEMP. (  
) buttons  
3
SLEEP  
ON/OFF  
MODE  
Se t the de sire d te mpe ra ture using the re mote c ontrol  
buttons.  
TEMP.  
At the sta rt of the AUTO ope ra tion, the te mpe ra ture  
is se t a t 25°c a nd it is func tiona l within the tota l  
te mpe ra ture ra nge .  
FAN  
FLAP  
CLOCK EVERYDAY HOUR MINUTE  
FLAP button  
4
TIMER  
RESERV. CANCEL  
ON  
OFF  
Pre ss this button to c ontrol the de sire d a ir flow dire c tion.  
RST  
TA  
FAN SPEED button  
5
Se t the de sire d fa n spe e d a t sta rt up, on AUTO.  
ON/OFF button  
6
Pre ss this button a ga in to stop ope ra tion.  
NOTE  
Whe n the room te mpe ra ture is be twe e n 21°c ~ 29°c .  
- If the room te mpe ra ture is lowe r 1°c or more tha n the se t te mpe ra ture : HEAT mode will ope ra te  
- If the room te mpe ra ture is highe r1°c or more tha n the se t te mpe ra ture : COOL mode will ope ra te  
Whe n the room te mpe ra ture is lowe r tha n 21°c or highe r tha n 29°c , the ope ra tion mode is re stric te d re ga rdle ss of  
the se t te mpe ra ture .  
- If the room te mpe ra ture is lowe r tha n 21°c the n only the he a ting mode is a llowe d.  
- If the room te mpe ra ture is highe r tha n 29°c the n only the c ooling mode is a llowe d.  
The Auto ope ra tion is not suita ble for the a pplic a tion to the c ompute r room or some food/wine stoc k stora ge .  
OWNER ,S MANUAL - 14  
UNIT OPERATION  
MANUAL OPERATION  
PROCEDURE  
ON/OFF button  
1
Pre ss this button a nd the AUTO ope ra tion is indic a te d.  
A re c e iving be e p is he a rd.  
The gre e n UNIT on la mp of the indoor unit displa y illumina te s.  
MODE button  
2
A
Pre ss this button to se le c t the de sire d ope ra tion mode .  
AUTO DRY COOL FAN HEAT  
FAN SPEED button  
3
Pre ss this button to se le c t the de sire d fa n spe e d.  
AUTO  
LOW  
MED  
HIGH  
A
SLEEP  
ON/OFF  
MODE  
TEMP.(  
) button  
4
TEMP.  
Pre ss the se buttons to se t the de sire d te mpe ra ture .  
FAN  
FLAP  
FLAP button  
5
CLOCK EVERYDAY HOUR MINUTE  
Pre ss this button to c ontrol the de sire d a ir flow  
dire c tion.  
TIMER  
RESERV. CANCEL  
ON  
OFF  
RST  
TA  
ON/OFF button  
6
Pre ss this button a nd AUTO ope ra tion is indic a te d.  
A re c e iving be e p is he a rd.  
The UNIT ON la mp is e xtinguishe d.  
DRY OPERATION  
This ope ra tion e limina te s moisture e c onomic a lly by ope ra ting the c ompre ssor, indoor a nd  
outdoor fa n motor inte rmitte ntly, so tha t the room te mpe ra ture is ma inta ine d a t the se t te mpe ra ture .  
OWNER ,S MANUAL - 15  
UNIT OPERATION  
TIMER OPERATION  
ON Timer  
PROCEDURE  
ON TIMER button  
1
Pre ss this button.  
On sta rt up, time is se t a t 6:00 A.M..  
A
HOUR, MINUTE buttons  
2
Pre ss the se buttons to se t the sta rt-up time  
de sire d while the ON Time r symbol is fla shing.  
RESERV. button  
3
A
Pre ss this button whe n pointing the re mote c ontrol towa rds  
the re c e ive r of the indoor unit.  
SLEEP  
ON/OFF  
MODE  
A re c e iving be e p is he a rd.  
TIMER la mp of the indoor unit illumina te s.  
TEMP.  
FAN  
FLAP  
MODE, FAN, FLAP, and TEMP. buttons  
4
Se t the de sire d ope ra tion mode with the se buttons.  
CLOCK EVERYDAY HOUR MINUTE  
TIMER  
RESERV. CANCEL  
ON  
OFF  
About ON Timer  
RST  
TA  
Whe n the ON Time r is se t, the unit monitors the room  
te mpe ra ture for 1hour be fore the se t time to ma ke sure  
the room c ondition is re a c he d by the re se rve time .  
The a c tua l on time of the unit is e a rlie r tha t the re se rve d  
time by 0 to 40 minute s a c c ording to the diffe re nc e  
be twe e n room te mp. a nd se t te mp.  
NOTE  
The c urre nt time is not indic a te d during the re se rva tion of ON/OFF Time .  
Whe n you wa nt to know the c urre nt time , pre ss the CLOCK button a nd you will se e the c urre nt time for 5 se c onds.  
If you re se rve the ON Time r during ope ra tion, the unit will ope ra te c ontinuously  
OWNER ,S MANUAL - 16  
UNIT OPERATION  
OFF Timer  
PROCEDURE  
OFF TIMER button  
1
2
3
A
Pre ss this button.  
In the be ginning, the time is se t a t 2:00 A.M. .  
HOUR, MINUTE buttons  
Pre ss the se buttons to se t the stop time de sire d while  
the OFF Time r symbol is fla shing.  
A
SLEEP  
ON/OFF  
MODE  
RESERV. button  
TEMP.  
Pre ss this button by pointing the re mote c ontrol  
towa rds the re c e ive r of the indoor unit.  
A re c e iving be e p is he a rd.  
FAN  
FLAP  
TIMER la mp of the indoor unit illumina te s.  
CLOCK EVERYDAY HOUR MINUTE  
TIMER  
RESERV. CANCEL  
ON  
OFF  
RST  
TA  
OWNER ,S MANUAL - 17  
UNIT OPERATION  
Combination of ON, OFF and EVERYDAY Timer  
PROCEDURE  
For e xa mple whe n you wa nt the ope ra tion to sta rt a t 5:30  
P.M. a nd stop a t 10:30 P.M..  
Re se rve the ON Time r a t 5:30 P.M..  
1
Re se rve the OFF Time r a t 10:30 P.M..  
2
Se t the ope ra tion mode a s de sire d.  
3
Or whe n you wa nt to stop the ope ra tion a t 10:30 P.M. a nd sta rt  
a ga in a t 7:30A.M. with the sa me c ondition.  
Re se rve the OFF Time r a t 10:30 P.M. during ope ra tion.  
1
2
Re se rve the ON Time r a t 7:30 A.M..  
Whe n you wa nt to sta rt ope ra tion a t 5:30 P.M. a nd stop a t 10:30 P.  
M. e ve ryda y with the sa me ope ra ting c ondition.  
Re se rve the ON Time r a t 5:30 P.M..  
1
Re se rve the OFF Time r a t 10:30 P.M..  
2
Pre ss the EVERYDAY button a nd RESERV. button.  
3
NOTE  
Re fe r to pp.15 -16 for the se tting me thod a nd re fe r to p.18 for the c a nc e ling me thod of the ON, OFF a nd  
EVERYDAY Time rs.  
In the ON a nd OFF Time r ope ra tion, the e a rlie r se tting c ompa re d to the c urre nt time will be a pplie d first.  
The EVERYDAY Time r c a n be se le c te d in c a se of a c ombina tion of the ON a nd OFF Time r re se rva tion or  
ON a nd SLEEP Time r re se rva tion.  
You c a n c ha nge the ON/OFF re se rva tion time whe re the EVERYDAY Time r re se rva tion.  
OWNER ,S MANUAL - 18  
UNIT OPERATION  
Cancellation of ON, OFF and EVERYDAY Timer  
PROCEDURE  
Pre ss the ON TIMER button to c a nc e l the ON Time r  
or pre ss OFF TIMER button to c a nc e l the OFF Time r.  
To c a nc e l the EVERYDAY Time r re se rva tion, pre ss the  
EVERYDAY, ON TIMER or OFF TIMER button.  
1
2
A
Pre ss the CANCEL button by pointing the re mote  
c ontrol towa rds the re c e ive r of the indoor unit.  
A re c e iving be e p is he a rd.  
TIMER la mp of the indoor unit lights off.  
A
SLEEP  
ON/OFF  
MODE  
TEMP.  
FAN  
FLAP  
CLOCK EVERYDAY HOUR MINUTE  
TIMER  
RESERV. CANCEL  
ON  
OFF  
RST  
TA  
NOTE  
If you c a nc e l the ON Time r or OFF Time r re se rva tion while EVERYDAY Time r is re se rve d, EVERYDAY Time r will be  
a utoma tic a lly c a nc e le d.  
Whe n the e le c tric ity fa ils while EVERYDAY Time r is re se rve d, EVERYDAY Time r re se rva tion will be c a nc e le d.  
Re se rve the EVERYDAY Time r a ga in a fte r the e le c tric ity c ome s on.  
The c urre nt time will not be indic a te d a nd the TIMER la mp of the indoor unit will be on if e ithe r the ON Time r or  
the OFF Time r is re se rve d.  
OWNER ,S MANUAL - 19  
UNIT OPERATION  
Sleep Timer  
This func tion e na ble s the use r to a utoma tic a lly switc h off the unit.  
PROCEDURE  
If you wa nt to stop the ope ra tion a fte r 3 hours from now.  
Pre ss the SLEEP button 3 time s  
3:hr will be displa ye d a nd the SLEEP signa l will be  
fla shing.  
1
A
Afte r 5 se c onds, the stopping time will be displa ye d.  
The unit ope ra te s in sle e p mode for 3 hours a nd will  
switc h off a t the e nd of the 3 hours.  
To c ha nge the re se rve d time or to c a nc e l,  
pre ss the SLEEP Button a ga in.  
A
1:hr  
2:hr  
3:hr  
7:hr  
9:hr  
Ca nc e l  
SLEEP  
ON/OFF  
Whe n the SLEEP Time r is se t, the unit will c ontrol the  
se t te mpe ra ture to a void ove rc ooling or ove rhe a ting  
in ope ra tion.  
2
TEMP.  
Se t te mpe ra ture is c ha nge d a s shown be low.  
+0.5°C  
°C  
+0.5°C  
+0.5°C  
+0.5°C  
SET  
TEMP.  
SLEEP  
30  
70  
110  
150  
TIME (MIN.)  
SET TIME  
FOR COOLING OR DRY MODE  
°C  
SET  
–1°C  
TEMP.  
SLEEP  
–1°C  
–1°C  
30  
90  
150  
TIME (MIN.)  
SET TIME  
FOR HEATING MODE  
NOTE  
Whe n the SLEEP time r is se t, the luminosity of the unit la mps will be dimme d so a s not to inte rrupt the sle e p.  
The SLEEP time r c a n be c ombine d with the ON time r.( Re fe r to p.17 for c ombina tion )  
OWNER ,S MANUAL - 20  
UNIT OPERATION  
DISCHARGE AIR LOUVER CONTROL  
Up and Down Control  
The a ir disc ha rge dire c tion c a n be c ontrolle d to swing up a nd down a nd c a n be fixe d a t a pre fe rre d position or a t  
a utoma tic position by the re mote c ontrol.  
AUTO  
SWING  
CLOSE  
COOL  
COOL  
Swing Ra nge  
Auto Position  
Fixe d  
HEAT  
HEAT  
If you se le c t the Fla p position using the FLAP button in the re mote c ontrol, the fla p in the unit will move to tha t  
position a utoma tic a lly. Onc e you se le c t the position, the unit re me mbe rs tha t position a nd whe ne ve r you turn  
on the unit, the fla p will be positione d to tha t position.  
If you se le c t SWING, the fla p will swing up a nd down. In the COOL, DRY a nd FAN mode , the fla p will swing in the  
c ool ra nge . In the HEAT mode , the fla p will swing in the he a t ra nge .  
If you se le c t AUTO, the fla p will position itse lf to the pre se t position a c c ording to the ope ra tion mode .  
NOTE  
Alwa ys use the re mote c ontrol to a djust the fla p position, othe rwise it ma y c a use a bnorma l ope ra tion.  
Ple a se turn off the unit a nd turn it on a ga in whe n you ma nua lly a djust the fla p out of ra nge .  
Left and Right Control  
If you wa nt to a djust the dire c tion of the disc ha rge a ir le ft or right, a djust the ve rtic a l louve r with the ha ndle a fte r  
ope ning the fla p.  
HANDLE  
NOTE  
Ple a se do not fix the fla p a t position for a long time , a s this position minimize s a ir c irc ula tion re sulting in  
une ve n room te mpe ra ture .  
Avoid the disc ha rge a ir be ing dire c te d towa rds the oc c upa nts for a long pe riod of time .  
Do not a djust the fla p by the ha nd during SWING ope ra tion be c a use it ma y da ma ge the a ir swing me c ha nism.  
OWNER ,S MANUAL - 21  
UNIT OPERATION  
EMERGENCY AND TEST OPERATION  
EMERGENCY  
TEST  
Emergency Operation  
Whe n the re mote c ontrol is lost, da ma ge d or the ba tte ry is disc ha rge d, the EMERGENCY button c a n be use d  
to run the unit.  
Pre ss the EMERGENCY button a t the off mode c ondition.  
- The unit ope ra te s a utoma tic a lly a c c ording to the room te mpe ra ture by se le c ting e ithe r the c ooling or  
the he a ting ope ra tion.  
If you wa nt to stop the e me rge nc y ope ra tion, push the EMERGENCY button a ga in or ope ra te the re mote c ontrol.  
The se tting c onditions of e me rge nc y ope ra tion a re a s follows:  
- Ope ra tion mode : AUTO  
- Pre se t te mpe ra ture : 25°c  
- Fa n spe e d : AUTO  
- Time r mode : Disa ble  
- Disc ha rge a ir dire c tion : Se t a utoma tic a lly a c c ording to ope ra tion mode . ( Re fe r to p. 20 )  
Test Operation  
This ope ra tion is use d for c he c king a fte r unit insta lla tion.  
Pre ss the TEST button.  
Pre ss the TEST button onc e more a fte r c he c king to a c tiva te re mote c ontrol. If the re is a ny input  
signa l ( re mote c ontrol signa l or EMERGENCY button pre sse d ) during te st ope ra tion, the TEST mode will  
c ha nge to the input signa l mode .  
The se tting c onditions of the te st ope ra tion a re a s follows:  
- Ope ra tion mode : COOL  
- Fa n spe e d : HIGH  
- Time r mode : Disa ble  
- Disc ha rge a ir dire c tion : SWING  
OWNER ,S MANUAL - 22  
UNIT OPERATION  
AIR CLEANING OPERATION  
Information for filters  
Filte rs  
Air filte rs  
Option 1 : Ac tive c a rbon filte r/Photo-c a ta lyst filte r  
Option 2 : Ac tive c a rbon filte r/Ele c trosta tic filte r  
Air filte rs e limina te dust a nd lint  
Optiona l Ac tive c a rbon filte r/Photo-c a ta lyst filte r e ffe c tive ly e limina te s odor a nd c iga re tte smoke in the room a ir.  
Optiona l Ac tive c a rbon filte r/Ele c trosta tic filte r is pa rtic ula rly e ffe c tive in e limina ting odor a nd mic ro sc opic dust.  
PHOTO-CATALYST FILTER  
(Blue c olor, OPTIONAL)  
or  
ACTIVE CARBON FILTER  
(Bla c k c olor, OPTIONAL)  
ELECTROSTATIC FILTER  
(White c olor, OPTIONAL)  
STANDARD  
AIR FILTER  
Life time of filters  
The life of a bove filte rs va rie s a c c ording to the a mount of c iga re tte smoke , room size a nd the ope ra ting time .  
Air filte rs c a n be c le a ne d with a va c uum c le a ne r or rinse d unde r running wa te r a fte r using a month.  
(Re fe r to CLEANING THE FILTERS AND FRONT PANEL,p.25.)  
The life time of optiona l Ac tive c a rbon filte r is a bout 2 ye a rs a nd tha t of optiona l Ele c trosta tic filte r is a bout 3 months.  
The se filte rs c a nnot be re c yc le d.  
The life time of optiona l Photo-c a ta lyst filte r is a bout 2 ye a rs. This filte r c a n be wa she d unde r running wa te r a nd  
c a n be re fre she d by e xposing unde r dire c t sun light. Expose d time is 6 hours a fte r using 3 months.  
(Re fe r to CLEANING THE FILTERS AND FRONT PANEL,p.25)  
OWNER ,S MANUAL - 23  
CARE AND MAINTENANCE  
POINTS TO NOTE  
Operating Condition  
Te mpe ra ture ra nge s suita ble for unit ope ra tion a re a s follows.  
MODE  
COOL  
HEAT  
DRY  
INDOOR  
21 ~ 32°c  
Be low 27°c  
17 ~ 32°c  
OUTDOOR  
21 ~ 43°c  
Be low 21°c  
12 ~ 43°c  
Whe n the unit ope ra te s a bove or be low the se c onditions for a long time , syste m dia gnostic s ma y de te c t a  
ma lfunc tion a nd the unit will not ope ra te prope rly.  
If the unit ope ra te s for a long time unde r a bnorma l situa tion of e xtre me ly high humidity, c onde nse d wa te r ma y  
drip from the unit.  
Time Delay  
The re will be time de la y be twe e n c ompre ssor turning off a nd turning on. (Cool a nd Dry mode : 3minute s,  
He a t mode : 3minute s for RAS-18LKH-A/RAS-18LAH-A, 5minute s for RAS-22LKH-A/RAS-22LAH-A)  
Whe n he a ting ope ra tion sta rts, hot a ir de live ry might be de la ye d due to a wa rm up pe riod.  
Minimum Operation Time  
In norma l ope ra tion, onc e the c ompre ssor turne d on, the re is a minimum ope ra tion time of 3 minute s re ga rdle ss of  
the r mosta t sa tisfa c tion.  
Heating Features  
Whe n the unit sta rts in the he a ting mode , the re will be a pre he a ting pe riod be fore the unit is re a dy to de live r  
wa rm a ir.  
Whe n the outdoor te mpe ra ture is low, the he a ting c a pa c ity will be re duc e d. If the room a ir is not wa rm e nough  
during se ve re winte r c onditions, use a dditiona l he a ting de vic e s.  
Defrost Operation  
In the he a ting mode , whe n the outdoor c oil is froste d, the indoor fa n a nd outdoor fa n will turn off while the  
c ompre ssor will turn on to re move the frost on the outdoor c oil.  
The de frost mode stops a fte r 10 minute s or whe n the outdoor c oil te mpe ra ture is gre a te r tha n 25°c .  
Whe n the powe r is off, the de frost ope ra tion is a utoma tic a lly c onduc te d de pe nding on frost  
a c c umula tion on the outdoor c oil.  
Auto Recovery  
Whe n the e le c tric ity fa ils while the unit is ope ra ting, the unit me morize s the ope ra ting c ondition, a nd it will  
sta rt ope ra tion a utoma tic a lly whe n the e le c tric ity is re store d.  
Whe n you le a ve home during a n e le c tric ity fa ilure , ple a se unplug the powe r c ord, or the unit will a utoma tic a lly  
re sta rt in your a bse nc e .  
OWNER ,S MANUAL - 24  
CARE AND MAINTENANCE  
Frost Prevention of Indoor Unit  
Whe n the unit ope ra te s (on c ooling) a t a low a mbie nt te mpe ra ture , frost ma y a ppe a r on the indoor c oil. Whe n the  
indoor c oil te mpe ra ture is be low 0°c , the mic roc ompute r ma ke s the c ompre ssor stop to prote c t the unit from frost.  
Normal Operation  
Any of the following c a n oc c ur during norma l ope ra tion:  
A sound like a GURGLEc a n some time s be he a rd during ope ra tion or whe n the unit stops.  
- It is the sound of the re frige ra nt flowing through the unit.  
Ba d sme lls c a n c ome from the unit.  
- Sme lls suc h a s smoke or c osme tic s c a n a c c umula te while room a ir c irc ula te s through the unit.  
- Cle a ning the filte rs will re duc e this proble m.  
The outdoor fa n doe s not rota te during he a ting ope ra tion.  
- The unit is in de frost mode .  
UNIT ON la mp on the indoor unit displa y fla she s a nd no a ir c ome s from the unit.  
- It indic a te s ma lfunc tion of the unit a nd the c ompre ssor will stop ope ra ting.  
A c re a kingnoise c a n some time s be he a rd during ope ra tion or whe n the unit turns on.  
- This is the sound of pla stic e xpa nding due to a n a brupt te mpe ra ture c ha nge .  
OWNER ,S MANUAL - 25  
CARE AND MAINTENANCE  
CLEANING THE FILTERS AND FRONT PANEL  
Cleaning the Air Filter  
NOTE  
Turn off the unit a nd pull out the powe r plug.  
Cle a n the a ir filte rs onc e a month.  
Lift the front pa ne l a nd pull the  
a ir filte rs downwa rd.  
Cle a n the filte rs with a va c uum  
c le a ne r.  
Rinse the filte rs unde r running  
1
2
3
3
wa te r, a nd dry the m c omple te ly,  
a nd the n re fit the m c orre c tly into  
the ir guide s.  
Refreshing the optional Photo-catalyst filter  
Lift the front pa ne l a nd pull the  
optiona l Photo-c a ta lyst filte r  
downwa rd.  
Blow off the dust from the filte r  
with fre sh a ir or wa sh the filte r  
unde r running wa te r.  
Expose unde r dire c t sun light for 6  
hours a nd re fit it c orre c tly into its  
guide .  
1
2
Washing the Front Panel  
NOTE  
Turn off the unit a nd pull out the powe r plug.  
Cle a n the front pa ne l if it be c ome s dirty a nd spotte d.  
Front pa ne l is re mova ble .  
Lift the front pa ne l up to the top  
of the unit. The n se pa ra te the  
front pa ne l from the unit.  
Rinse the pa ne l unde r running  
wa te r, a nd dry it c omple te ly in  
a sha de d a re a .  
Re fit it c orre c tly. Insta lla tion  
proc e dure is re ve rse to the  
re mova l proc e dure .  
1
2
3
OWNER ,S MANUAL - 26  
CARE AND MAINTENANCE  
CLEANING THE MAIN UNIT  
Use only a da mp soa py towe l.  
Do not pour wa te r onto the unit, a nd do not use  
pe trol, solve nts or a bra sive powde r whic h ma y  
re sult in da ma ge of the unit.  
NOTE  
Whe n c le a ning the unit, first turn it off a nd pull out the powe r plug.  
AFTER-SEASON CARE  
If the unit is to be switc he d off for a n e xte nde d  
pe riod, run the unit on FAN only for two hours to  
dry inside of the unit.  
Cle a n the filte rs a nd re fit the m into the unit.  
1
2
Cle a n the indoor a nd outdoor unit.  
3
OWNER ,S MANUAL - 27  
TROUBLESHOOTING  
Trouble  
Check Points  
Action  
Che c k tha t the powe r c ord is plugge d  
into the wa ll outle t.  
Inse rt the powe r c ord into the wa ll outle t.  
Ha s the c irc uit bre a ke r trippe d or ha s the  
fuse blown?  
Re se t the c irc uit bre a ke r or re pla c e the  
fuse with the spe c ifie d re pla c e me nt fuse .  
Unit doe s not  
ope ra te  
Ha s the re be e n a powe r fa ilure ?  
Re sta rt ope ra tion whe n powe r is re sume d.  
Doe s the UNIT ONla mp fla sh on a nd off?  
Ca ll your se rvic e re pre se nta tive .  
Confirm the a va ila ble volta ge .  
Is the volta ge too low?  
Is the filte r bloc ke d with dust?  
Cle a n the a ir filte r.  
Ha s the te mpe ra ture be e n se t prope rly?  
Are the windows or doors ope n?  
Che c k a nd re se t it if ne c e ssa ry.  
Close the windows a nd doors.  
Cooling is  
a bnorma lly low.  
Is a nything obstruc ting the outdoor unit?  
Re move the obstruc tion.  
Is the fa n spe e d too low?  
Cha nge the fa n spe e d se le c tion.  
Cha nge to c ooling ope ra tion or re se t the  
te mpe ra ture .  
Is the ope ra tion mode FAN or AUTO?  
Is the filte r bloc ke d with dust?  
Cle a n the a ir filte r.  
Ha s the te mpe ra ture be e n se t too low?  
Che c k a nd re se t it if ne c e ssa ry.  
He a ting is  
a bnorma lly low.  
Are the windows or doors ope n?  
Is a nything obstruc ting the outdoor unit?  
Is the OFF time r ope ra ting?  
Close the windows a nd doors.  
Re move the obstruc tion.  
Re sta rt the unit ope ra tion.  
Re sta rt the unit ope ra tion.  
Unit stops during  
ope ra tion.  
Ha s pa sse d the se t time of sle e p time r?  
If the a bove a c tions do not c orre c t the ope ra tion, c onsult the de a le r from whom you bought the unit.  
P/N:42QG8Q5404C  

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