Fujitsu AWTZ14LBC Operating Manual

O

SU G

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PERATING MANUA

L

door Unit

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A

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A

AO

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CO

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& COO

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M AIR

NDITIONE

EILING WALL TYPE

HEAT

L MODE

REVERSE CYCLE

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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

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]

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