Fujitsu AWTZ14LBC Operating Manual

O

SU G

D

PERATING MANUA

L

door Unit

A

C

A

C

A

AO

C

CO

R

& COO

L

)

M AIR

NDITIONE

EILING WALL TYPE

HEAT

L MODE

REVERSE CYCLE

n

WTZ14LB
WTZ18LB

utdoor Unit

OTZ14LBC

TZ18LB

KEEP THIS OPERATION MANUAL
F

FUJIT

R FUTURE REFERENCE

ENERAL LIMITE

R410A

REFRIGERANT

This Air Conditioner contains and operates
with refrigerant R410A and Polyol Ester oil.

THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED
BY QUALIFIED PERSONNEL.

Refer to Commonwealth, State, Territory and local legislation,
regulations, codes, installation & operation manuals, before
the installation, maintenance and/or service of this product.

N9315236036-01

PRECAUTIONS........................................ 1

2

3

5

ADJUS

A

9

T

1

2

3

S

-

s

.

-

t

.

g

.

cord

.

c

y

t

e

d.

.

g

.

ppl

g

.

.

ater drained from the a

.

n

.

.

.

.

.

-

o

ts.

OPERATION....................................... 13

4

G

5

O

0

FEATURES AND FUNCTIONS...............................

AME OF PARTS...................................................

REPARATION .......................................................

PERATION ........................................................... 7

TING THE DIRECTION OF

IR CIRCULATION .................................................

SWING OPERATION ............................................. 10

IMER OPERATION .............................................. 1

LEEP TIMER OPERATION .................................. 1

ECONOMY OPERATION...................................... 1

AFETY PRECAUTION

-

IL DRY OPERATION ........................................ 1

AUTOMATIC FILTER CLEANIN

NCTION ........................................................... 1

PERFOMING MAINTENANCE ............................. 17

PERF

CONTINUED) ...................................................... 2

MANUAL AUTO OPERATION ............................. 22

TROUBLESHOOTING .......................................... 23

PERATING TIPS................................................. 24

MING MAINTENANCE

DANGER!

AUTION!

● Do not attempt to install this air conditioner by yourself.
This unit contains no user-serviceable parts. Always consult authorized service per

onnel for repairs

● When moving, consult authorized service personnel for disconnection and installa

ion of the unit

Do not become excessively chilled by staying for lengthy periods in the direct coolin

irflow

Do not insert fingers or objects into the outlet port or intake grilles.

o not start and stop air conditioner operation by disconnecting the power supply

●

and so on.

Take care not to damage the power supply cord

n the event of a malfunction (burning smell, etc.), immediately stop operation, dis-

onnect the power supply plug, and consult authorized service personnel.

f the power supply cord of this appliance is damaged, it should only be replaced b

●

he authorized service personal, since special purpose tools and specified cord ar
equire

rovide occasional ventilation during use
Do not direct air flow at fireplaces or heating apparatus.
Do not climb on, or place objects on, the air conditioner.

● Do not han
Do not set flower vases or water containers on top of air conditioners.

●

o not expose the air conditioner directly to water

Do not operate the air conditioner with wet hands.

o not pull power su

● Turn off power source when not usin

heck the condition of the installation stand for damage

● Do not place animals or plants in the direct path of the air flow.
Do not drink the w
Do not use in applications involving the storage of foods, plants or animals, precisio

equipment, or art works

onnection valves become hot during Heating; handle with care

Do not apply any heavy pressure to radiator fins

● Operate only with air filters installed
Do not block or cover the intake grille and outlet port

●

nsure that any electronic equipment is at least one metre away from either the in

oor or outdoor units.
Avoid installing the air conditioner near a fireplace or other heating apparatus.
When installing the indoor and outdoor unit, take precautions to prevent access t

nfan

● Do not use inflammable gases near the air conditioner.

objects from the indoor unit.

y cord.

the unit for extended periods

ir conditioner

EATURES AND FUNCTION

S

A

-

.

-

t

y

estra

eed of bacteriu

A

t

-

T

ess Remote Control Unit allows convenient co

t

.

/

G

g

p

e

eate a comfortable e

t.

g

g

,

ON

prod

e

.

G

s

SWING OPERATION

t the start of operation, a large power is used to bring the

oom quickly to the desired temperature. Afterwards, the

nit automatically switches to a low power setting for eco
omic and comfortable operation

OIL DRY OPERATION

The Indoor unit can be dried by pressing the COIL DRY but

on on the Remote Control Unit so as to avoid going mold

nd r

in the br

m.

UTO CHANGEOVER

The operation mode (cooling, dry, heating) is switched au-

omatically to maintain the set temperature, and the tem

erature is kept constant at all times.

WIRELESS REMOTE CONTROL UNI

The Wirel

rol of air conditioner operation

n-

The airflow-direction louvers move (swing) automatically.
In addition, up, down, left, and ri
be selected usin

the Remote Control Unit.

ht airflow directions can

ILDEW-RESISTANT FILTER

The AIR FILTER has been treated to resist mildew growth
thus allowing cleaner use and easier care.

PER QUIET OPERATI

When the SUPER QUIET button is pressed, the unit begins

UPER QUIET Operation; the indoor unit’s airflow is reduced

to

uce quieter operation.

AUTO FILTER MAINTENANCE FUNCTION

The filter is automatically cleaned after a set amount of tim

f air conditioner operation

NTERNAL UV CLEANIN

HORIZONTAL AIRFLOW: COOLING

WNWARD AIRFLOW: HEATIN

or cooling, use horizontal airflow so the cool air does not
blow directly on the occupants in the room. For heatin
use downward airflow to send
floor and cr

owerful, warm air to th

nvironmen

Growth of mold and various germs inside the indoor unit i
suppressed with UV (ultraviolet rays).

,

1

2

g

fig

.

5

NAME OF PART

S

.

1

2

0

Fig.

3

578

Fig.

D

E

F

G

H

9

0
A

B

C

MAINTENANCE SIGN

. 4

I

TIMER OPERATION HI-POWER

4

6

SUPER QUIET

L

J

K

Fi

. 6

Y

[

`
a

M

Z

\
]

b

c

e
h
i
l
m

n
q

r

d

f
g

j
k

p

s
o

O

P

Q

R

N

S

T

U
V
W

X

This

ure shows the control display when all indicator lamps are on. It may differ from the actual display

NAME OF PART

S

take Grilles

)

(Fig. 2)

TIMER Indi

)

g

).

)

)

)

r

n

,

g

e

time o

stallation.

.

y

n

ust Bo

ectio

er

)

ffuser

d

g

t

t

)

r

y

y

Transmit

cator

T

y

y

n

(

butto

butto

AUTO button

butto

button

n

butto

butto

button

A

A

n

)

TES

butto

butto

n

n

V Lamp (4 position

ndicator

cator Lamp (green

If the TIMER indicator lamp flashes when the
timer is operatin

ccurred with the timer setting (See Page 24

Auto Restart

, it indicates that a fault has

PERATION Indicator Lamp (red

UPER QUIET Indicator Lamp (green

HI-POWER Indicator Lamp (orange

Remote Control Signal Receive

MAINTENANCE/MANUAL AUTO butto

When kept on pressing the MANUAL AUTO

button for more than 10 seconds
coolin

The forced cooling operation is used at th

Only for authorized service personnel's use
When the forced cooling operation starts b

any chance, press the START/STOP butto
to stop the operation.

operation will start.

f in

the forced

Air Filter
D

Air Flow Dir

x

n Louv

Right-Left Louver

behind Air Flow Direction Louver
Power Di
Power Supply Cor
Power Supply Plu

Intake Por

utlet Por

e Unit

rain Port (bottom

ignal Transmitte

IL DRY Displa

perating Mode Display

AN CONTROL Displa

CONOMY Operation

Indi

emperature Display

WING Display
attery Indicator Displa

N TIMER Display
FF TIMER Displa

TART/STOP butto
ET TEMP. button
OOL button

button

EAT

LEEP

AN

n

n

n

IL DRY

button

I-POWER button

UPER QUIET butto

AN CONTROL

ECONOMY

n

n

WING

IR DIRECTION (Left-Right) button
IR DIRECTION (Up-Down) button
N TIMER butto

FF TIMER button
ET TIME buttons ( /
ET (TIMER) button
ANCEL (TIMER) button

T RUN

RESET

n

n

LOCK ADJUST butto

●

(Fig

s

about 10

utes

g

s

.

e

.

About the

butto

●

d

p

●

t

R

●

o

e

●

ill chang

g

●

e

)

T

REPARATI

ON

t

th

How to open and close the remote control's cover.

Open gently (do not b
too rough)

Take hold of both sides

the cover, and inser
e cover into its place

ntil you hear a click.

Prompts to change remote control's batteries

emote control periodically starts and stops.

attery Indicator Display

At start-up: blinks 5 time

At shut-down: remains lit for

If the Battery Indicator Display is shown, please chan

ossible, even if your remote control is still usable

.6 V shown during operations.

min

.

e your batteries as soon a

TEST RUN

This button is used when installing the air conditioner and should not be use
under normal conditions, as it will cause the air conditioner’s thermostat func­tion to o

If this button is press during normal operation, the unit will switch to the tes

peration mode and the OPERATION Indicator Lamp (red) (Fig.2 6 and TIME

Indicator Lamp (green) (Fig.25) on the Indoor Unit will flash simultaneously.

To the stop the test operation mode, press the START/STOP button (Fig.5 Y t

top the air conditioner.

erate incorrectly.

EST RUN button

n

About the Compulsory Cooling Mod

If the TEST RUN button (Fig.5q is pressed during the cooling mode, the unit w
and the room will be cooled re

Use the compulsory cooling mode to collect refrigerant in the outdoor unit before moving the air conditioner. (Do not us
this button under normal conditions.

5

e to the compulsory cooling mode

ardless of the thermostat setting.

Tu

rn on the Pow

er

;

.

)

-

.

batteries

(

+/-

y.

.

n

n

,

r

a

e

the clock to the current time.

butto

ess to advance the time

butto

ess to reverse the time

p

y

)

Thi

k.

To Use the Remote Control Unit

●

ly.

●

.

●

Wh

ill

d.

●

ote Control Unit Holder

●

●

W

t

f

e

ible leakag

d

.

●

.

●

d

r

l

y.

●

●

n

e

r

.

use

g

e

c

The B

n

ibl

s

close to

door Unit

ote Control Unit is unable

ly

T

1

.

2

3

-

.

s

t

Connect the Power Supply Plug (Fig. 1

to an electrical outlet

in the case of a direct line connection, turn on the circuit breaker

oad Batteries (LR03

2

Press and slide the battery compartment lid on the re

1

verse side to open it.

lide in the direction of the arrow while pressing the mark

2

nsert

e sure to align the battery polarities

.

correctl

lose the battery compartment lid

3

About the RESET (Fig.5 r

4

If the remote control is unable to functio

normally after the batteries are changed
please press the RESET button (Fig.5

Press the RESET button (Fig.5 r using a

all-point pen or other such items with

elatively sharp tip.

butto

RESE

n

CAUTION!

Take care to prevent infants from
accidentally swallowing batteries.

hen not using the Remote Control Uni

or an extended period, remove th

atteries to avoid poss

amage to the unit
If leaking battery fluid comes in contact
with your skin, eyes, or mouth, immedi­ately wash with copious amounts of
water, and consult your physician

ead batteries should be remove
uickly and disposed of properly, eithe
y placing in a public battery collection

receptac
authorit
Do not attempt to recharge dry batteries.
Please always press the RESET butto
after changing batteries to avoid th

In any of the followin

hange your batteries.

•

• No data transmission poss

• The Rem

e, or by returning to appropriate

ossibility of functional errors.

ever mix new and used batteries, o
atteries of different types
atteries should last about one year
nder normal

attery Indicator Display is show

to work proper

.

situations, pleas

In

e an

e unles

the Current Tim

Press the CLOCK ADJUST button (Fig. 5

1

Use the tip of a ball-point pen or other small object to press the button.

the / SET TIME buttons (Fig. 5

)to adjust

2

n: Pr
n: Pr

(Each time the buttons are

ne-minute steps.hold the buttons depressed to change the time quickl

in ten-minute steps.

ressed,the time will be advanced/reversed in

Press the SET button (Fig. 5

3

The Remote Control Unit must be pointed at signal receiver (Fig. 19) to operate
correct

Operating Range: About 7 meters

en a signal is properly received by the air conditioner, a beeping sound w

e hear

If no beep is heard, press the Remote Control Unit button again.

s completes the time setting and starts the cloc

.

.

.

Rem

Inser

crew

ount the Holder

ress in

Set the Romote Control

nit.

Pull out

To remove the Remote Con
trol Unit (when use hand)

PERATION

To S

.

[

]

\

a

O

ill light.

Y

To Set the

ostat

g.

C

C

C

temp

.

To S

.

:

A

When set to AUTO:

C

g:

A

g,

:

-

ture of the a

ssued

door unit is lo

:

T

:

)

●

T

.

.

●

.

●

COOL

Wh

8

elect Mode Operation

ress the necessary Operation button

ooling Operation: Press the COOL button (Fig.5

Heating Operation: Press the HEAT button (Fig.5

ry Operation : Press the DRY button (Fig.5

Auto Operation : Press the AUTO button (Fig.5

an Operation : Press the FAN button (Fig.5b)

The Indoor Unit's
The Air conditioner will start operating.
Pressing the unit's START/ STOP button (Fig.5

ecently-used mode.

PERATION Indicator Lamp (red) (Fig.26 w

) will run the unit in its most

Therm

Press the SET TEMP. button (Fig. 5 Z).

ress to raise the thermostat settin
ress to lower the thermostat setting.

Thermostat setting range:

ooling/Dry........................ 18 to 30 °

eating............................... 16 to 30 °

AUTO.................................. 18 to 30 °

The thermostat can not be used to set room temperature during the FAN Mode (the

erature will not appear on the Remote Control Unit’s Display)

et the Fan Speed

ress the FAN CONTROL button (Fig. 5

ach time the button is pressed, the fan speed changes in the following order

AUTO

bout three seconds later, the entire display will reappear.

oolin

Heating

an

s the room temperature approaches that of the thermostat settin

the fan speed becomes slower.

Fan operates so as to optimally circulate warmed air.

owever, the fan will operate at very low speed when the tempera

ir i

he fan operates at the low speed.

from the in

)

w.

xample:When set to

en set to 2

Super Quiet Operation

ress the SUPER QUIET button(Fig.5

The Indoor Unit's SUPER QUIET Indicator Lamp (green) (Fig.2 7) will light. (No

isplay on the Remote Control Unit
SUPER QUIET operation begins.
The Indoor Unit's airflow will be reduced for quieter operation.

In SUPER QUIET mode, any of the changes listed below will switch SUPER QUIE
Operations off

Changing the Fan Speed.

Switching to HI-POWER Operation

When the Air Conditioner's operations are stopped, SUPER QUIET Operation is
cancelled. When the unit is started again, it will run at the Fan Speed displayed

n the Remote Control Unit's FAN CONTROL Display

uring SUPER QUIET Operation, Heating and Cooling and Dry performance will

e reduced somewhat.

To S

top Operation

●

W

-

-

ture is more tha

n

-

ture is

n

-

t

H

n

●

Wh

m

th

ill begi

r

b

ill

g, C

-

.

ostat set

ting

●

●

.

●

W

y

r

.

●

W

h

f

o

-

.

●

y:

●

.

●

Y

●

t

t

:

●

The H

ill

.

:

m

s

t

e

-

:

Y

l

yo

oom.

ress the START/STOP button (Fig.5

The OPERATION Indicator Lamp (red) (Fig. 2 6 will go out.

About AUTO CHANGEOVER Operation

AUTO:

hen AUTO CHANGEOVER operation first selected, the fan will oper
te at very low speed for about one minute, during which time the unit
etects the room conditions and selects the proper operating mode.

the differance between thermostat setting and actual room tempera

f the difference between thermostat setting and actual room tempera

within ±2

the difference between thermostat setting and actual room tempera

ure is more than

en the air conditioner has adjusted your roo

e thermostat setting, it w

operation mode, the fan will operate at low speed. If the room tem­perature su
select the appropriate operation (Heatin

erature to the value set in the thermostat

The monitor operation range is ±2

.)

f the mode automatically selected by the unit is not what you wish,

select one of the mode operation (HEAT, COOL, DRY, FAN).

About Mode Operation

eating:

Cooling:

Dr

an

se to warm your room

hen Heating mode is selected, the air conditioner will operate at ver

low fan speed for about 3 to 5 minutes, after which it will switch to the

elected fan setting. This period of time is provided to allow the indoo
nit to warm up before begin full operation

hen the room temperature is very low, frost may form on the outside
nit, and its performance may be reduced. In order to remove suc

rost, the unit will automatically enter the defrost cycle from time t
time. During Automatic Defrosting operation, the OPERATION Indica
tor Lamp (red) will flash, and the heat operation will be interrupted

se to cool your room.

se for gently cooling while dehumidifying your room

ou cannot heat the room during Dry mode.

During Dry mode, the unit will operate at low speed; in order to adjust
room humidity, the Indoor Uni

he fan may operate at very low speed when adjusting room humidity.

se to circulate the air throughout your room.

n +2

Cooling or dry operatio

Monitor operatio

eating operatio

n monitor operation. In the monito

sequently changes, the air conditioner w

ooling) to adjust the tem

relative to the therm

once again

-

uring Heating mode:

et the thermostat to a temperature set­ting that is higher than the current room
temperature.

erate if the thermostat is set lower than

the actual room temperature

uring Cooling/Dry mode

et the thermostat to a temperature set­ting that is lower than the current roo
temperature. The Cooling and Dry mode
will not operate if the thermostat is se

er than the actual room temperatur
(in Cooling mode, the fan alone will oper
ate).

uring Fan mode

ou can not use the unit to heat and coo

ur r

eating mode w

not

ADJUSTING THE DIRECTION OF AIR CIRCULATI

ON

●

.

●

V

●

w

●

ect the desired a

ectio

t

●

.

●

You can select the desired a

ectio

●

door Unit is set fo

t

.

●

Wh

i

ectio

au-

t

h

th

g,

w

●

t

g

.

●

W

t

c

-

d

●

o

w

●

t

n

/

ill

-

.

●

.

12345678

ote Control Unit

.

ow

w

R

●

n

high

e

A

s

Adjust the up, down, left, and right air directions with the AIR DIRECTION buttons on the Remote Control Unit

Use the AIR DIRECTION buttons after the Indoor Unit has started operating and the airflow-direction louvers have

stopped moving.

ertical Air Direction Adjustment

pen the lid on the Remote Control Unit.

ress the AIR DIRECTION (Up-Down) button. (Fig. 5

When the AIR DIRECTION (Up-Down) button (Fig.5k) is pushed, the airflo

irection changes within the range to the following.

You can sel

Cooling/Dry range1234 Heating range5678

ir flow-direction

ver

* The Remote Control Unit

splay does not change.

irflow dir

4

* The up/down airflow-direction louvers move in the

irection of the arrow from the closed position

In order to maximize the heating and cooling

n.

1

2

3

8

5

6

7

erformance, use the ranges above

an range

ANGER!

ever place fingers or foreign objects in­side the outlet ports, since the internal fa
operates at

ersonal injury.

About airflow direction adjustments

en the unit is turned on or the op-

erat

on mode is changed, the position

the airflow-dir

omatically set as listed below to matc

e operation mode (heating, coolin

etc.) selected.

ooling/Dry/Fan:1 horizontal airflow
eating:7 downward airflo

During HI-POWER operation (see page

12), the up/down airflow direction is se
utomatically to optimize the heatin
nd cooling performance

hen the AIR DIRECTION buttons on
he Remote Control Unit are pressed,
t may take a short time for the up/

down airflow-direction louvers or the

eft/right airflow-direction louvers to

reach the desired position.

uring that time, the airflow direction

annot be adjusted even if the AIR DI
RECTION buttons are repeatedly
presse

uring the monitor period in the aut

ode (see page 7), horizontal airflo

rection is set and cannot be adjusted.

f the AIR DIRTCTION (Up-Down) but-

on is pressed during the up/dow

wing operation (see page 11), the up

own swing operation w

ddition, if the AIR DIRECTION (Left

ight) button is pressed during the left/

right swing operation, the left/right

wing operation will stop.

speed and could caus

n louvers is

.

stop. In

Right-Left Adjustmen

Open the lid on the Remote Control Unit.

ush the AIR DIRECTION (Left-Right) button (Fig.5

When the AIR DIRECTION (Left-Right) button (Fig.5j) is pushed, the airflow

irection will change in the following order

Left airflo

The In

is turned on

ight airflow

ront airfl

irflow dir

r front airflow when the uni

.

n.

* The Rem

splay does not change

0

WING OPERATI

ON

T

n

n

.

ill light.

e

f

T

A

.

e

f

-

.

Airf

.

e

g

.

Airf

.

-

w

●

.

w

.

●

e

●

d

Begin air conditioner operation before performing this procedure.

o select SWING Operatio

pen the Remote Control Unit lid to perform swing operatio

settings

ress the SWING button (Fig. 5

The SWING Display (Fig. 6U w

ach time the SWING button is pressed, the swing operation will change in th

ollowing order.

Up/down swing operation Left/right swing operation

Swing operation stops Up/down/left/right swing operation

o stop SWING Operation

.

ress the SWING button (Fig.5 i

irflow direction will return to the setting before swing was begun

and select STOP.

About Swing Operation

● Up/down swing:Swing operation begins using th
ollowing range according to the current airflow direc

tion

low direction is 1
With the upper airflow-direction louver in th
horizontal position, the lower airflow-direction
louver moves (swin
area

low direction is 58 (for heating, fan)
With the airflow-direction louvers set for down

ard or straight down airflow, airflow is directly

ainly at the floor.

4 (for cooling, dry, fan)

s) to direct airflow to a wide

Left/right swing: The airflow-direction louvers move

swing) in the left/right airflow direction

● Up/down/left/right swing: The airflow-direction louvers
ove (swing) in both the up/down and left/right airflo
rections

The SWING operation may stop temporarily when th

r conditioner

t very low speeds.

If the AIR DIRECTION (Up-Down) button is presse

during the up/down swing operation, the up/down

wing operation will stop and if the AIR DIRECTION

Left-Right) button is pressed during the left/right swing

operation, the left/right swing operation will stop.

1

TIMER OPERATI

ON

ess the CANC

button.

s

S

.

To Use the O

R

P

.

.

door Unit

6

s

-

(Fig

.

e.

utton:

Press to advance the time

ces

utes

.

utto

e

ote Control Unit towards the

door Unit

g

p

T

door Unit

6

desired times for O

.

sectio

Use the O

set the desired

e

door unit

5

.

.

T

.

TIMER Indi

ill go

T

R

o

.

ess the CANC

butto

T

n

d

TIMER b

3

ess the S

button.

T

O

g

.

Ab

●

o

●

t

l

t

●

g

y

.

efore using the timer function,be sure that the Remote Control Unit is set to the correct current time (See page 6)

FF TIMER or ON TIME

Open the Remote Control Unit lid to perform the timer function settings.

To Cancel the Timer

Pr

EL

Press the desired Operation button or START/STO

1

button (Fig. 5

)

(if the unit is already operating, proceed to step 2)

The In

Select the desired timer operation time, and then pres

2

the OFF TIMER button (Fig. 5
ton

The OFF or ON timer indicator flashes

. 5

Use the SET TIME buttons (Fig. 5

3

ired OFF time or ON tim

B

ncrements

B

n:Press to reverse the time.The time goes backward in 5-minut

ncrements.

or the ON TIMER but

to adjust the de-

.The time advan

Point the Rem

4

nd press the SET button (Fig. 5

The OFF or ON timer Indicator stops flashing.
The TIMER Indicator Lamp (
If the ON TIMER function is selected, the air conditioner o

reen) (Fig.25)on the Indoor Unit will light.

o Use the Program timer

Press the START/STOP button (Fig. 5

1

(if the unit is already operating, proceed to step 2).

The In

2

Th

the

the

and times.

in

n “To

FF timer and ON timer

FF timer or ON timerto

will light.

in 5-min

In

eration stops.

will light.

) will light

To Change the Timer Setting

Perform operations 2–4.

To Stop Air Conditioner Operation
while the Timer is Operating

Press the

o Cancel the Timer

Press the CANCEL button

out.Canceling the OFF TIMER or the ON

IME

. Press the TIMER button of the function t

cancel (OFF or ON)

2. Pr

o Change the Timer Settings

. Press the TIMER button of the functio

to change (OFF or ON).

2. Set the timer using the

. Pr

o Stop Air Conditioner Operation

while the Timer is

Press the START/STOP button

TAR T/STOP button

cator Lamp (green) w

EL

uttons.

ET

n.

peratin

an

out the Program timer

The PROGRAM timer allows you to integrate OFF timer and ON timer operations

n a single sequence. The sequence can involve one transition from OFF timer t

ON timer,or from ON timer to OFF timer,within a twenty-four hour period.

The first timer function to operate will be the one set nearest to the current

ime.The order of operation is indicated by the arrow in the Remote Contro

ni
ne example of PROGRAM timer use might be to have the air conditioner auto-

matically stop (OFF timer)after you

n the morning before you arise

ON,or OFF ←ON).

o to sleep,then start (ON timer)automaticall

LEEP TIMER OPERATI

ON

0

0

0 5.0

0

)

)

To Use the S

er

g

:

door Unit

6

-

t

.

T

gs

g

.

f

:

e

-

.

T

CANC

.

T

r

Op

/

.

nlike other timer functions, the SLEEP timer is used to set the length of time until air conditioner operate is stopped

LEEP tim

While the air conditioner is operating or stopped, press the
SLEEP button (Fi

ach time the button is presssd, the time changes in the following order

. 5

.

2.

.

3.

7.

9.0(hour

o Cancel the Timer:

Press the

o Stop the Air Conditioner During Time

eration:

Press the START

EL (TIMER) button

STOP button

The In

or Lamp (green) (Fig. 2 5) light

and the TIMER Indica

o Change the Timer Settin

ress the SLEEP button (Fig.5

once to display the last set­ting time.
Press the SLEEP button (Fi

ach time the button is pressed, the time changes in the following order (Change

rom the last setting time)

.0 →

.0 →

.5

again to change the time

.0 → 5.0 → 7.0 → 9.0(hour

nfirmation of TIMER's tim

The left time of the TIMER which is being set currently will be displayed for 5 min

3

ON

.

T

n

.

T

n

.

●

.

●

p

.

●

p

g.

e

.

A

n

The Ind

ill op

During h

2

●

e

n

●

e

door Unit is

eased.

E

CONO

p

.

T

n

To S

A

n

A

.

W

y

.

.

●

●

.

●

f

Begin Air Conditioner operation before performing this procedure.
O

en the Remote Control Unit lid

MY OPERATION

o Use the ECONOMY Operatio

ress the ECONOMY button (Fig.5

"ECO" appears on the Remote Control Unit display.

conomy operation begins.

top the ECONOMY Operation

ress the ECONOMY button (Fig.5

"ECO" disappears from the Remote Control Unit display.

ormal operation begins.

again.

bout ECONOMY Operatio

t the maximum output, ECONOMY Operation is approximately 70% of normal air conditioner operation for cooling and

eating

hen ECONOMY operation is performed during the cooling mode, dehumidification is improved. This function is especiall

onvenient when you want to remove the humidity in the room without significantly lowering the room temperature
During ECONOMY operation, the thermostat setting automatically changes according to the temperature to avoid Unneces­sary cooling and heating for the most economical operation

If the room is not cooled(or heated) well during economy operation, select normal operation.
Once air conditioner operation is stopped, normal operation begins when the indoor unit is turned on again
During the monitor period in the AUTO mode, the air conditioner operation will not change to ECONOMY operation even i

ECONOMY operation is selected by pressing the ECONOMY operation button.

I-POWER OPERATI

Begin Air Conditioner operation before performing this procedure.
Open the Remote Control Unit lid

o Use the HI-POWER Operatio

The Indoor Unit's HI-POWER Indicator Lamp (orange) (Fig.2 8 will light.

The Indoor Unit's HI-POWER Indicator Lamp(orange) (Fig.2 8) will go out

● During fan mod

● During cooling mode

●

1

ress the HI-POWER button(Fig.5

I-POWER operation begins

.

o Stop the HI-POWER Operatio

ress the HI-POWER button(Fig.5 e

ormal operation begins.
owever, HI-POWER operation will automatically stop under the following conditions.

If SUPER QUIET Operations are selected during HI-POWER Operation, HI-POWER will be cancelled
During cooling mode

The room tem

During heating mode

The room tem

5 minutes has passed since the HI-POWER operation began

erature is 1

erature is 2

below the thermostat setting or 30 minutes has passed since the HI-POWER operation began

above the thermostat settin

again.

bout HI-POWER Operatio

oor unit w

eating mode

The Indoor unit will operate at maximum power until the room temperature is

During dry mod

The airflow can not be set during HI-POWER operatio

During fan mod

The airflow from the In

erate at maximum power until the room temperature is 1

incr

below the thermostat setting.

above the thermostat setting.

IL DRY OPERATION

●

of

g.

●

y.

T

r

.

.

p-

c

g

.

T

ion.

ill g

●

!

●

g

m

idi

e

lightly.

●

●

w

.

n

p

.

1

g

terior of the

door unit

odors are to be removed

ter.

2

)

f

f

,

.

3

p

After allowing the interior of the indoor unit time to dry, run the UV filter clean, to limit mold and bacteria on the interir

the unit and on the air filter. This function shows clear results after cooling or dehumidifyin

For COLID DRY Operation, press the COIL DRY button. Cleaning operations will run for about 20 minutes and stop automati-

call

o start COIL DRY Operation

ress the COIL DRY button (Fig.5

(when the air conditione

is operating or stopped)

Only the OPERATION Indicator Lamp (red) (Fig2.6)on the Indoor Unit will light

IL DRY

roximately 20 minutes.
If the COIL DRY button (Fig5.
DRY operation will start a

appears on the Remote Control Unit display and disappears after a

) is pressed again during COIL DRY operation, COIL

ain

o stop COIL DRY Operation

ress the START/STOP button (Fig.5 Y

during COIL DRY op-

erat

The OPERATION Indicator Lamp (red) (Fig2. 6on the Indoor Unit w

The Remote Control Unit will be in the operation-stopped condition.

About COIL DRY Operatio

The following procedures are performed during COIL DRY operation before the

eration automatically stops after approximately 20 minutes

o

ryin
After about 18 minutes of COIL DRY Operation, drying shall be performed on the
in
fil
UV filter cleaning (about 2 minutes
UV rays are discharged onto the air filter, so that all dirt, odor, and dust undergo
disin

ecting and deodorizing processing, and are recycled into the dust box. At
the same time, the air
and returned to cleaning mode

Operations sto
The COIL DRY operation come to an end.

in

. All dirt and foul

ilter's disinfecting and deodorizing functions are reset

o out.

from the air

NOTE

When COIL DRY operation begins, the

ndoor Unit operates in the heatin
mode and the fan mode to dry the inside
of the Indoor Unit. As a result, the roo
temperature and hum
s

IL DRY operation cannot be used to
clean the air in the room.
COIL DRY operation is most effective

hen performed frequently

ty may ris

AUTO FILTER MAINTENANCE FUNCTI

ON

●

●

CAUTION!

o

filte

●

e

●

g

A

Fil

e

●

g

●

)

2

4

.

out

●

t

n

l).

2

t

●

s

door Unit.

●

-

t

.

s

f

r

f

.

l

.

f

W

OCK

S

.

s

.

n

.

.

.

o

o

k

This is a convenient function that automatically removes dust from the air filters after a set amount of time of air conditione

peration.

The auto filter maintenance function can also be started using the remote control unit.

uto

ter Maintenanc

About operating the Auto Filter Maintenance

Auto filter maintenance is performed after the air conditioner operates for a set
amount of time and is stopped or the FILTER button (Fi

ontrol Unit is pressed.

During auto filter maintenance, the MAINTENANCE SIGN Indicator Lamp (red

(Fig.

) on the Indoor Unit will light

.5d on the Remote

. Air filters come

The air filters automatically come out of the indoor unit under the open panel. A

this time, the dust on the air filters is collected in the dust boxes (behind the ope

ane

Open panel

. Air filter retrac

After the air filters come out, they automatically retract to their original position

in the In

Do not touch the air filters during the aut

r maintenance.
The Indoor Unit may malfunction if th
air filters are pulled or pushed.

the air filters are unnecessarily pulled,

they may be dama

ersonal injury.

ed or fall and cause

When the auto filter maintenance is complete, the MAINTENANCE SIGN Indica

or Lamp (red) (Fig.24) on the Indoor Unit goes out

MAINTENANCE SIGN Indicator Lamp(red) flashe

The MAINTENANCE SIGN Indicator Lamp (red) (Fig.24 will flash during auto filter
maintenance i

onditioner operation, unplug the power supply cord from the Electrical outlet and

ollow procedures "Dust Box Maintenance" to install the air filters

hanging the FILTER MAINTENANCE Interva

The filter maintenance interval can be changed

ome dust may be tough to clear away with Auto Filter Maintenance.

In such a situation, please switch the Interval to 50H

hile cleaning, please place the remote control in stop mode (so that only the CL

nd the time are displayed).

1. Hold down the
witches from displaying the current time to displaying the interval, and begin

blinking

. Set the interval using the SET TIME button's and keys (Fig.5

ressing these buttons will allow you to scroll between the figures below

H
actory settings are 100H
or more detailed FILTER MAINTENANCE, set to 50H

. Point the remote control to the main unit and press the SET button (Fig.5

The display will stop blinking and send signals to the Indoor Unit.
If you do not press the SET button (Fig.5
time settings.

the air filters are not Installed or are pulled. If this occurs during ai

or more thorough cleaning.

ET TIME button (Fig.5 n for at least 3 seconds

H

), there is no way to save the wor

15

6

A

t

FILTER b

(Fig

ill light.

A

●

-

r

w

●

g

.

●

C

g

●

s

.

●

r

R

s

N

●

T

●

t

Fil

2

4

illumi

About the Auto Filter Maintenance function

●

d

f

m

.

●

f

●

s

o

).

●

●

e

t

.

A

.

●

g

.

●

l

.

n

d

s

000 hours

s

000 hours

Depending on how dirty the air filters are, all of the dust may not be remove

rom the air filters during the auto filter maintenance. In this case, perfor

auto filter maintenance again

If dust remains on the air filters after auto filter maintenance has been per-

ormed a number of times, perform dust box maintenance (see page 17)

Depending on the condition of the dust on the air filters, such as if the dust i

particularly oily or hardened, the dust may not be removed during the aut
FILTER MAINTENANCE. In this case, remove the air filters and clean with water

see page 20
During auto filter maintenance, clicking or hissing sounds may be producd.
During FILTER MAINTENANCE, if you pull or push the filter upwards, th

FILTER MAINTENANCE process will stop and the MAINTENANCE SIGN Indica-

or Lamp (red) (Fig.24 will blink

t this time, please refer to Dust Box Maintenance, FILTER Installation

If the FILTER is inserted too low, it will automatically correct itself by movin

pwards

If there are any objects located under the indoor unit, should the FILTER fal

out, it would hit these objects and would no longer be able to work properly

UTO Filter Maintenance using the Remote Control Uni

ress the

tton

.5

(When the Air Conditioner is operating or stopped.)

The MAINTENANCE SIGN Indicator Lamp (red) (Fig.2 4 on the Indor Unit w

uto filter maintenance begins.

If the FILTER button is pressed during Air Conditioner operation, the Air Condi
tioner will stop, auto filter maintenance will be perfomed, and the air conditione

ill start operating again after the auto filter maintenance is complete.

Even if the FILTER button is pressed during the auto filter maintenance, the clean­in

will not stop

About the notification for Dust Box cleaning

When auto filter maintenance is not activated, but the Indoor Unit's MAINTE­NAN

E SIGN Indicator Lamp (red) (Fig.24) is illuminated, this means that it is

time to perform dust box cleanin

x.

ue to differences in Auto Filter Maintenance intervals, there are also difference

in the amount of time that an air conditioner runs before its MAINTENANCE

IGN Indicator Lamp (red) (Fig.24 is lit

Auto filter maintenance interval Interval before maintenance sig

hour

100 hour

. In such a situation, please clean your dust

ndicator lamp (red) is illuminate

2

4

While the MAINTENANCE SIGN Indicator Lamp (red) is illuminated, Auto Filte
Maintenance will not work. (Even if you press the Remote Control Unit's FILTE

utton, it will not run). In such a situation, please clean the DUST BOX, and pres

the MAINTENANCE/ MANUAL AUTO button (Fig.3A . The MAINTENANCE SIG

ndicator Lamp (red) (Fig.24 will go out.

he MAINTENANCE SIGN Indicator Lamp (red) will only light up when the Air

onditioner is running or coming to a halt.

you put out the MAINTENANCE SIGN Indicator Lamp (red) (Fig.24 withou

cleaning the Dust Box, the next time that Auto

pill out from the unit. When the MAINTENANCE SIGN Indicator Lamp (red) (Fig.

is

nated, please be sure to clean the Dust Box.

ter Maintenance runs, dust may

1

ERFORMING MAINTENANCE

●

●

e

ectrical outlet

ce

●

n

e

.

●

from the dust boxes.

●

S

●

.

e

(The p

ill

n

)

2

dust box's loc

e

the lock.

3

-

)

r

out

dust bo

ection of the arrow.

●

W

r

.

requent maintenance will extend the life of the air conditioner and improve the cooling and heating performance.

efore maintenance, stop air conditioner operation using the remote control and unplug the power supply cord from th

l

.

CAUTION!

Before cleaning the air conditioner, be sure to turn it off
and unplug the power supply cord from the electrical
outlet.

The internal fan operates at high speed and could cause
personal injury.

When removing the dust boxes and grill, do not touch any
metal parts (heat exchanger, etc.).

Personal injury may result.

When cleaning the air conditioner, do not stand on any
unstable objects.

You might fall and personal injury could result.

When cleaning the dust boxes and grill, be sure to install
them securely.

If the dust boxes and grill are not properly installed,
they could fall and cause personal injury.

Box Maintenan

If the MAINTENANCE SIGN Indicator Lamp (red) (Fig.2 4) on the Indoor
Unit is lit, be sure to clean the dust boxes. If the Indoor Unit is installed i
an area with a lot of dust, clean the dust boxes every 3 months even if th
MAINTENANCE SIGN Indicator Lamp (red) (Fig.2 4) is not lit
When cleaning the dust boxes, dust may fall to the floor. Lay newspaper,
etc. under the Indoor Unit before cleaning the dust boxes.

MAINTENANCE SIGN

TIMER OPERATION HI-POWER

SUPER QUIET

1. Remove the dust boxes and air filters from the indoor unit. Remove the air filters

Preparation

top the air conditioner using the Remote Control Unit.

Unplug the power supply cord from the electrical outlet.

. Open the open panel

Open panel

rab both sides of the open panel and fully open th

open panel. Continue to open the open panel past the

orizontal position.

ter it is released.

. Remove the

Dust boxes

anel w

Latches

remain open eve

k.

. Remove the dust boxes and air filters.

rab the center of each dust box, lift the bottom in direc

tion 1, and then remove the dust box in direction 2.

Remove the dust boxes and air filters together.

1

2

4. Remove the air filter from each dust box.

rab the holding position on the air filter and pull the ai

filter

from the

Holding
position

x in the dir

Air filter

“Click”

ove the holding positions (yellow) on either side of the

ust boxes (2 on the left and right) inwards, and remov

“Click”

Dust box

hen the air filter is removed from the dust box, dust

ay fall from the dust box. Lay newspaper, etc. unde

the dust box before removing the air filter

8

2

. Remove the

dust collected

dust boxes and clean the dust boxes

.

1

r

d.

2

●

●

pap

3

U

d

●

.

2

cases

ate

1

a-

d

)

2

3

.

4

.

5

Wip

d

y.

ild synthetic l

y

.

y

ff.

●

p

-

o

y

r

f

3. D

1

the i

g.

r

.

●

y

in the

.

. Open the dust boxes

Hold the latch (light blue) on both sides of the interio

of the dust box, and pull outwards until you hear a

catch" soun

Latch

"Click"

Open the interior of the box.

Inner case

Outer case

Be gentle when opening, as excess force may result in

amage and malfunction.

When opening the inner case, dust collected inside the

ust box may fall out. During this process, please place

news

ers or some other cover under the dust box.

"Click"

After washing with water, make sure the dust boxes are

com

letely dry before installation. The brushes are espe

cially difficult to dry so wipe them with a towel, etc. t

ake sure they are completely dry. If the dust boxes are

installed wet, the dust ma

ilters during auto filter maintenance.

not be removed from the ai

ust box installation

First pull down on the outer casing, and then cover up

nner casin

Inner case

Outer case

Put the latches (light blue) on either side into thei

place

"Click"

"Click"

Cleaning the interior of the box.

se a vacuum to clean up the dust on the brush an

the box, or use a brush to wipe this dust away.

Outer case

Brush holder

Brush

Inner case

Do not be too forceful when opening up the brush holder

Otherwise, this may result in damage and malfunction.

. Wash the front and rear

with w

if they are extremely dirty.

Lightly rub the brushes clean with 40–
ter. If the brushes are difficult to clean, apply a mil

ynthetic laundry detergent (low or neutral alkalinity

nd rub lightly.
Rub the front and rear cases lightly with a sponge.
Rinse under running water
Remove the water from the front and rear cases

e the brushes and cases with a towel, etc., an

ace in a shaded area to dr

●

o not use a cleaner other than a m

etergent (low or neutral alkalinity).

●

o not clean with hot water above 60

●

o not clean with any abrasive or hard object

●

o not dry with hot air from a hair dryer, etc.The cases

be deformed and the brushes may come o

ma

.

hot w

aundr

latch

When installing the dust box, please insert the latch di-

rectl

into its correct position. If the latch is not fully in
lace, and the box is installed onto the main unit, Auto
ilter Maintenance will not work.

r

1

9

3.

nstall the dust box onto the main unit, press the "MAINTENANCE / MANUAL AUTO" button, and then insert the air filter.

I

.

1

Mak

e

2

Op

e

3

.

●

,

.

●

d

y

t

2. I

pply li

A

1

2

2

4

.

●

"

p

g

.

●

L

butto

uto

be

g

.

3

1

2

t

y

.

nstall the dust box onto the main unit

e sure that the dust box's 2 yellow latches ar

open.

en the front panel and insert the dust box into th

nit until you hear it catch in place.

"Beep"

*If the MAINTENANCE SIGN Indicator Lamp (red) (Fig.

) light is illuminated, it will go out at this point

Press down on the MAINTENANCE / MANUAL AUTO

utton, and release the button when you hear a "beep.

f the MAINTENANCE / MANUAL AUTO button is held
down for more than 3 seconds, MANUAL AUTO O
tion will be

in (page 22)

Please be sure to press the MAINTENANCE / MANUA

AUTO

n. A

Filter Maintenance is unable to

erformed when the MAINTENANCE SIGN Indicator

Lamp (red) (Fi

.2 4 is illuminated

Remove

Latch

Lock

era-

Insert the dust box fully and move the two latches on

ther side outside to lock it in place

Latch

Remove

"click"

Lock

If the latches are locked while installing the dust box

malfunctions may result and the dust box may fall out

During installation, make sure that you have a goo

rip of the middle of the dust box and insert it soundl

in its place. Should there be any errors in installation,

he dust box may fall out and cause injury.

nsert the power su

ne into its socket

and press the MAINTENANCE / MANUAL

UTO button (Fig.3

Insert the power supply line into its socket.

Press the unit's "MAINTENANCE / MANUAL AUTO"

n.

.

. Insert the air filters into the unit (one on

oth the left and right side).

Insert the air filter net into the dust box slot.

Dust Box

INLET
Direc

t

i

o

n

Air filter

Insert the air filter until it reaches the upper limits of

he air filter frame (on both sides). (After about 2 sec-

onds, the air filter will automaticall

Dust box

lock into its place)

1

Mark

Air filter

Air filter
frame

A

ce

●

●

e

the dust boxes and a

ge

).

2

.

e

,

.

●

-

●

g

a

y.

●

-

r

●

d

.

●

0

f

f

-

f

sta

dust boxes and a

e

.

)

A

e

)

●

e

d

e

.

●

r

.

e

●

dust

door unit

th

,

●

y

●

y

w

ERFORMING MAINTENANCE

(CO

)

3

Following th

g

r

c

f

in

.

●

.

ically lock i

.

ose the

)

NTINUED

3. Install the dust box onto the main unit, press the "MAINTENANCE / MANUAL AUTO" button, and then insert the air filter. (Continued

e same procedure, insert the other side's

ir filter.

● Durin

● Please insert the air

Insert the air filter to the point designated on the filter

installation, please make sure that both the filter

nd your hands are dry. Any moisture on the filter o

on your hands may result in malfunctions or electri

ock.

ilter correctly according to the
esignated direction. Incorrect insertion may result
xcess noise or functional problems

If the filter is not in the correct position, it may not
automat

4. Cl

nto its place

Front Panel.

ir Filter Maintenan

Wash the air filters with water if small dust particles remain on the air filters even after auto filter maintenance is perform.

t is recommended to perform dust box maintenance when the air filter maintenance is performed.

. Open the open panel, and then remov

ir filters.

Refer to procedure 1 in Dust Box Maintenance (see pa
17

. Remove the air filters from the dust boxes

Refer to procedure 1 in Dust Box Maintenance (see pag

17).

3. Remove the dust with a vacuum cleaner
and then wash the air filters with water

If there is excessive oil or dirt, please wash with syn

thetic kitchen detergent (medium-grade).

Wipe the air filters with a towel, etc., after washin

them with water, and then place them in a shaded are
to dr

Do not bend the air filters. The air filters may be dam

ed and prevent the auto filter maintenance from be-

ng performed. Please pay special attention to the ai

filter frame and the internal gears.

Air filter backside

Do not clean the air filters with any abrasive or har

object. The air filters may be damaged

Do not clean with hot water above 6

● Do not dry with hot air from a hair dryer, etc. The air
ilters may be deformed.

● A

ter washing the air filters with water, do not force

ully shake them dry. The air filters may be damaged.

4. In

ll the

ir filters in th

ndoor unit, and then close the open panel

Refer to procedure 4 in Dust Box Maintenance (see page
16

.

bout the air filter (titanium apatit

micro-filter

With a micro-fiber filter (extra fine) enhanced by th

ddition of titanium apatite, disinfection an
eodorization is performed on dust gathered from th

ir and all types of odorous bacteria

UV rays on the filter's titanium enhance the effects of

isinfecting and deodorizing, and leave the air filte

ompletely clean

Rack (bar with teeth)

ndoor Unit Maintenanc

move the
a vacuum cleaner, wipe the unit with lukewarm water
and then dry with a clean, soft cloth.

o not clean with water above 40

indoor unit ma

o not clean with benzene, paint thinner, or polish. The

ill damage the exterior of the indoor unit.

from the exterior of the in

. The exterior of the

be deformed and become discolored.

wi

ERFORMING MAINTENANCE

(CO

)

ce

●

dust bo

e.

ill

●

l inj

.

.

ge

).

2

1

P

g

2

G

.

3

ater.

m

y

t

.

r

.

illes.

1

S

e

ill

)

1

e

y

)

●

e

2

o

t

.

t

g

the

backward and

de.

)

Intake Grille Maintenan

NTINUED

rform

x maintenance at the same tim

Intake grille

. Open the open panel

Refer to procedure 1 in Dust Box Maintenance (See pa
17

. Removing the Intake grille.

ush the grille's holding positions (4) on the interior

of the open panel upwards (releasin

l's four holding positions).

Projections

Projections

the front pan-

CAUTION!

e sure to install the intake gr

the intake grilles are not installed securely, they may fall and

cause persona

ury

es securely.

5. Install the Intake grilles.

Slide Intake grille into the indoor unit along the guid

rails under the open panel until it stop. (Lift up slightl
on the intake grille as it is being installed.

Guide rails

Open panel

Holding positions

rasp the Intake grille's upper holding positions and

ull them forward

. Wash with w

Remove the dust from the intake grilles with a vacuu

leaner, wipe them with lukewarm water, and then dr

hem with a clean, soft cloth

o not clean with water above 40

nit may be deformed and become discolored

The exterior of the indoo

4. Install the intake gr

lide each intake grille into the indoor unit along th

uide rails under the open panel until it stops. (Lift up

tly on the intake gr

e as it is being installed.

Make sure that the intake grilles are installed in th

correct direction. FRONT is stamped on the holding

osition of each intake grille.

Insert the four projections on each intake grille int

he indoor unit in the direction of the arrows shown

Projections

If the intake grilles are not installed properly along the

uide rails until they stop, the projections will not fi
nto the indoor unit. After installation, make sure the
ntake grilles are installed securely by gently movin

m forward and

Projections

from side to si

. Close the open panel.

Refer to procedure 4 in Dust Box Maintenance (See page
17

.

ANUAL AUTO OPERATI

ON

.

3

idi

l

.

.

n

)

2

O

●

A

p-

O

ill light.

Th

ill op

g

ill

.

A

ill g

.

se the MANUAL AUTO operation in the event the Remote Control Unit is lost or otherwise unavailable

REMOTE CONTROL UNIT UNAVAILABLE (MANUAL AUTO OPERATION)

If the Remote Control Unit is lost or the batteries are dead, the air conditioner can be operated provisionally from the indoor

nit.

. Open the open panel

rab both sides of the open panel and open the open
panel until it is held in place. (The panel will remain ope
even after it is released.

. Press the MAINTENANCE/MANUAL AUT

utton (Fig.3 A) for 3 seconds.

Press the MAINTENANCE/MANUAL AUTO button (Fig.3

) and continue to press the button even after a bee

ng sound is produced.

The

PERATION Indicator Lamp (red) (Fig.26 on the

ndoor Unit w

e air conditioner w

pa

e 8). Airflow will be automatic, airflow direction will
e the standard setting, and the thermostat settings w
e the standard temperature

erate in the auto mode (see

. Close the open panel.

●

o not operate the air cont

open

oner with the open pane

Stopping MANUAL AUTO Operation

Press the MAINTENANCE/MANUAL AUTO button (Fig.3

ir conditioner operation will stop and the OPERATION Indicator Lamp (red) (Fig.26 on the Indoor Unit w

for 3 seconds.

o out

TROUBLESH

OO

G

!

Symptom

oesn

y:

d:

s:

e

A

:

W

m

the outdoor unit:

●

-

t

f

●

-

●

e

r

3

.

●

ligh

This i

f

r

.

●

.

.

●

s

e

●

d

f

f

.

●

.

●

W

y

●

e

ill

r

e

.

●

-

g

ON

●

T

g

m

●

w

.

●

w

d.

●

S

7

UNCTIO

S

t

o

.

:

TIN

WARNING

Before requesting service, perform the following checks

NORMAL

F

D

N

tel

oise is hear

In the event of a malfunction (burning smell, etc.), immediately stop operation, disconnect the
Power

source. Always be sure to disconnect the Power Supply Plug or turn off your circuit breaker t
ensure that power is completely off

t operate immedi-

upply Plug, and consult authorized service personnel.

erely turning off the uni

the unit is stopped and then immediately started again, the com
ressor will not operate for about 3 minutes, in order to preven

use blowouts.

Whenever the Power Supply Plug is disconnected and then re

onnected to a power outlet, the protection circuit will operate for

bout 3 minutes, preventing unit operation during that period.

uring operation and immediately after stopping the unit, th

ound of water flowing in the air conditione

eard. Also, noise may be particularly noticeable for about 2 to

inutes after starting operation (sound of coolant flowing)

uring operation, a s

the result o

ue to temperature changes

uring Heating operation, a sizzling sound may be heard occasional

This sound is produced by the Automatic Defrosting operation

Problem

t squeaking sound may be heard.

minute expansion and contraction of the front cove

ee Page

s

mell

st or steam ar

emitted:

irflow is weak or stops

Some smell may be emitted from the indoor unit. This smell i
the result of room smells (furniture, tobacco, etc.) which hav

n taken into the air conditioner.

uring Cooling or Dry operation, a thin mist may be seen emitte

rom the indoor unit. This results from the sudden Cooling o
room air by the air emitted from the air conditioner, resulting in
condensation and misting

uring Heating operation, the outdoor unit

team may be seen rising from the unit. This is due to Automatic

efrosting operation

hen Heating operation is started, fan speed is temporarily ver

low, to allow internal parts to warm up.

uring Heating operation, if the room temperature rises abov

the thermostat setting, the outdoor unit w

nit will operate at very low fan speed. If you wish to warm th

room further, set the thermostat for a higher setting

uring Heating operation, the unit will temporarily stop opera
tion (between 7 and 15 minutes) as the Automatic Defrosting mode
operates. Durin

ndicator lamp will flash.

Automatic Defrosting operation, the OPERATI

stop, and the indoo

he fan may operate at very low speed during Dry operation or

when the unit is monitorin

uring SUPER QUIET operation, the fan will operate at very lo

peed

n the monitor AUTO operation, the fan will operate at very lo

ee

ater is produced fro

uring Heating operation, water may be produced from the out­door unit due to Automatic Defrosting operation.

the roo

TROUBLESH

OO

G

Symptom

C

s

S

CE

k

●

●

?

●

●

?

●

y?

●

●

y?

●

●

-

●

p

?

●

●

?

●

S

)

TIMER Indi

(Fig

y

l.

e

e

●

-

g

n

w

.

●

by

d.

g

●

m

-

f

.

it i

ipped with

ON

(Fi

AUTO Restart

n

●

a

-

●

●

r

e

g

.

●

r

y

n

.

TIN

HECK ON

RE

Doesn’t operate at all:

Poor

ooling performance:

The unit operate
differently from the Remote

ontrol Unit’s setting:

tems to chec

Is the Power Supply Plug disconnected its outlet?

Has there been a power failure

Has a fuse blown out, or a circuit breaker been tripped?

Is the timer operating

Is the Air Filter dirt

Air the air conditioner’s intake grille or outlet port blocked?

you adjust the room temperature settings (thermostat) cor-

ectl

Is there a window or door open?

In the case of Cooling operation, is a window allowing bright sun

ight to enter? (Close the curtains.)

In the case of Cooling operation, are there heating apparatus and
com

uters inside the room, or are there too many people in the

oom

Is the unit set for SUPER QUIET operation?

Are the Remote Control Unit’s batteries dead

Are the Remote Control Unit’s batteries loaded properly?

ee Page

-

If the problem persists after performing these checks, or if you notice burning smells, or the OPERATION Indicator Lamp (red

. 26 and the

Plug (Fig. 1H, and consult authorized service personne

cator Lamp (green )

. 25) flashes, immediately stop operation, disconnect the Power Suppl

PERATING TIP

Operation and Performanc

Heating Performanc

This air conditioner operates on the heat-pump princi
ple, absorbing heat from outdoor air and transferring that
heat indoors. As a result, the operatin

educed as outdoor air temperature drops. If you feel that

insufficient heating performance is being produced, we

ecommend you use this air conditioner in conjunctio

ith another kind of heating appliance

eat-pump air conditioners heat your entire room

ecirculating air throughout the room, with the result that

ome time may be required after first starting the air con-

tioner until the room is heate

performance is

Microcomputer-controlled Automatic Defrostin

When using the Heating mode under conditions of low

utdoor temperature and high humidity, frost may for
n the outdoor unit, resulting in reduced operating per

ormance

In order to prevent this kind of reduced performance, this
un

s equ

atic Defrosting function. If frost forms, the air condi-

tioner will temporarily stop, and the defrosting circuit will

erate briefly (for about 7-15 minutes).

uring Automatic Defrosting operation, the OPERATI

ndicator Lamp (red)

a Microcomputer-controlled Auto-

g. 2 6) will flash.

In Event of Power Interruptio

The air conditioner power has been interrupted by

ower failure. The air conditioner will then restart auto

atically in its previous mode when the power is restored.

perated by setting before the power failure.

f a power failure occurs during TIMER operation, the time
will be reset and the unit will begin (or stop) operation at th
new time setting. In the event that this kind of timer fault
occurs the TIMER Indicator Lamp will flash (see Pa

Use of other electrical appliances (electric shaver, etc.) o
nearby use of a wireless radio transmitter may cause the
air conditioner to malfunction. In this event, temporaril
disconnect the Power Supply Plug, reconnect it, and the
use the Remote Control Unit to resume operation

e. 4)

PERATING TIP

S

bout to 43

bout 18 to 3

e

e

C

About to 43

bout 18 to 3

de

bout to

About 30

ess

T

e

●

f

.

●

g

●

r

T

●

Wh

●

.

emperature and Humidity Rang

A

A

ry Mode

2

ooling Mode

Outdoor temperatur

ndoor temperatur

If the air conditioner is used under higher temperature conditioner than those listed, the built-in protection circuit may

perate to prevent internal circuit damage. Also, during Cooling and Dry modes, if the unit is used under conditions o

lower temperature than those listed above, the heat-exchanger may freeze, leading to water leakage and other damage

o not use this unit for any purposes other than the Cooling, Dehumidifying, and air-circulation of rooms in ordinary

dwellin

If the unit is used for long periods under high-humidity conditions, condensation may form on the surface of the indoo
unit, and drip onto the floor or other objects underneath. (About 80% or more)

s.

A

2

eating Mo

A

24

or l

ips for saving energy

en the outdoor temperature is low (about 10 or less), the unit will consume the power of 20~40W unless the power

plug is disconnected from the outlet even if the air conditioner turns off.

emove the power plug to stop the power supply for energy saving when not using for a long time

5