Hitachi RAC-50FX8 Manuel utilisateur

TC NO. 0779EF

RAF-50FX8

RAC-50FX8

SERVICE MANUAL

TECHNICAL INFORMATION

INFORMATIONS TECHNIQUES

REFER TO THE FOUNDATION MANUAL

REPORTEZ-VOUS AU MANUEL DE BASE

ROOM AIR CONDITIONER

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

LES SPECIFICATIONS ET PIECES DETACHEES PEUVENT CHANGER POUR ETRE AMELIOREES.

FOR SERVICE PERSONNEL ONLY

RESERVE AU PERSONNEL

SPECIFICATIONS

CARACTERISTIQUES GENERALES

SPECIFICATIONS

CARACTERISTIQUES GENERALES

HOW TO USE

UTILISATION

CONSTRUCTION AND DIMENSIONAL DIAGRAM

DIMENSIONS DES UNITÉS

MAIN PARTS COMPONENT

PRINCIPAUX COMPOSANTS

WIRING DIAGRAM

SCHÉMAS ÉLECTRIQUES

WIRING DIAGRAM OF THE PRINTED WIRING BOARD

SCHÉMA ÉLECTRIQUE DU CIRCUIT IMPRIMÉ

BLOCK DIAGRAM

ORGANIGRAMME DE CONTROLE

BASIC MODE

MODE DE BASE

REFRIGERATING CYCLE DIAGRAM

SCHÉMA DU CYCLE DE RÉFRIGÉRATION

PROCEDURE D'ASSEMBLAGE ET DESASSEMBLAGE

DESCRIPTION OF MAIN CIRCUIT OPERATION

DESCRIPTION DES PRINCIPAUX CIRCUITS ÉLECTRIQUES

SERVICE CALL Q&A

MODE OPERATOIRE DE DEPANNAGE

TROUBLE SHOOTING

DETECTION DES PANNES

PARTS LIST AND DIAGRAM

LISTE DES PIÉCES DE RECHANGE

CONTENTS

TABLE DES MATIERES

INDOOR UNIT + OUTDOOR UNIT

MARCH 2008 Hitachi Appliances, Inc.

8

9

32

36

39

43

53

57

82

84

94

156

164

204

OUTDOOR UNIT

UNITÉ EXTÉRIEURE

RAF-50FX8

RAC-50FX8

INDOOR UNIT

UNITÉ INTÉRIEURE

After installation Après installation

750

590

215

15

792 (+95)

600

299 (+46)

45

RAF-50FX8

TYPE TYPE

MODEL MODÈLE

POWER SOURCE

PHASE/TENSION/FREQUENCE)

TOTAL INPUT

PUISSANCE ABSORBEE TOTALE (W)

TOTAL AMPERES

AMPERES TOTAUX (A)

CAPACITY CAPACITE

(kW)

(B.T.U./h)

TOTAL INPUT

PUISSANCE ABSORBEE TOTALE (W)

TOTAL AMPERES

AMPERES TOTAUX (A)

CAPACITY CAPACITE

(kW)

(B.T.U./h)

W, L

DIMENSIONS DIMENSIONS (mm) H, H

D, P

NET WEIGHT POIDS NET (kg)

DC INVERTER INVERSEUR C.C.

INDOOR UNIT

UNITÉ INTÉRIEURE

OUTDOOR UNIT

UNITÉ EXTÉRIEURE

1ø, 220V - 230V, 50Hz

1,560 (155 - 1,950)

7.16 - 6.85

5.0 (0.9 - 5.2)

17,065 (3,072 - 17,748)

1,780 (155 - 2,100)

8.17 - 7.82

6.5 (0.9 - 8.1)

22,185 (3,072 - 27,645)

COOLING

RÉFRIGÉRATION

HEATING

CHAUFFAGE

RAC-50FX8

1. In order to disassemble and repair the

unit in question, be sure to disconnect the

power cord plug from the power outlet

before starting the work.

2. If it is necessary to replace any parts, they should be replaced with respective genuine parts for the unit,

and the replacement must be effected in correct manner according to the instructions in the Service

Manual of the unit.

3. After completion of repairs, the initial state should be

restored.

4. Lead wires should be connected and laid as in the

initial state.

5. Modification of the unit by the user himself should

absolutely be prohibited.

6. Tools and measuring instruments for use in repairs or inspection should be accurately calibrated in

advance.

7. In installing the unit having been repaired, be careful to prevent the occurrence of any accident such as

electrical shock, leak of current, or bodily injury due to the drop of any part.

8. To check the insulation of the unit, measure the insulation resistance between the power cord plug and

grounding terminal of the unit.

The insulation resistance should be 1M or more as measured by a 500V DC megger.

9. The initial location of installation such as window, floor or the other should be checked for being safe

enough to support the repaired unit again.

If it is found not so strong and safe, the unit should be installed at the initial location after reinforced or

at a new location.

10. Any inflammable object must not be placed

about the location of installation.

11. Check the grounding to see whether it is

proper or not, and if it is found improper,

connect the grounding terminal to the earth.

Spray

gasoline

gasbombe

thinner

SAFETY DURING REPAIR WORK

If the contacts of electrical

parts are defective, replace

the electrical parts without

trying to repair them

1

2

3

4

5

– 1 –

1. Avant de procéder à une réparation, veillez

à couper l'alimentation électrique.

2. Les pièces de rechange doivent être des pièces d'origine et le remplacement des pièces doit être réalisé

conformément aux instructions figurant dans le manuel d'entretien.

3. Après achèvement des réparations, les conditions

initiales doivent être rétablies.

4. Après toute intervention, le raccordement et le

cheminement des câbles électriques doivent être

rétablis comme à l'origine.

5. Toute modification au niveau de l'installation ne peut être effectuée que par une personne compétente.

Toute intervention ou modification par l'utilisateur lui-même est par conséquent à proscrire.

6. Les outils et les appareils de mesure qui doivent être employés pour effectuer l'entretien auront été

préalablement réglés ou étalonnés comme il convient.

7. Lors de l'installation d'une unité ayant subi une réparation, veillez à éviter tout accident dû à une décharge

électrique ou la chute d'un objet.

8. Pour vérifier l'isolement de l'appareillage, mesurer la résistance entre le cordon d'alimentation et la borne

de masse. Cette résistance doit au moins être égale à 1M lorsque la mesure est effectuée avec un

mégohmmètre de 500V CC.

9. Avant la fixation de l'unité réparée, vérifiez que les fixations d'origine peuvent supporter l'appareil. Si ces

fixations vous paraissent défectueuses, renforcez-les si possible et dans le cas contraire, l'unité doit être

fixée à un autre endroit.

10. L'emplacement de l'installation doit être

éloigné de toute matière inflammable.

11. La mise à la masse doit être soigneusement

contrôlée; en cas de défaut, la borne de

masse doit être mise à la terre.

Il faut d'abord que je coupe

I'alim

entation électrique.

Aérosol

Essence

Dilunt

Bonbonne de gaz

PRECAUTIONS RELATIVES A LA SECURITE PENDANT LES REPARATIONS

Si vous constatez que les contacts d'un

composant électrique sont défectueux,

remplacez le composant et ne tentez pas

de réparer les contacts.

1

2

3

4

5

– 2 –

WORKING STANDARDS FOR PREVENTING BREAKAGE OF SEMICONDUCTORS

1. Scope

The standards provide for items to be generally observed in carrying and handling semiconductors in

relative manufactures during maintenance and handling thereof. (They apply the same to handling of

abnormal goods such as rejected goods being returned.)

2. Object parts

(1) Microcomputer

(2) Integrated circuits (I.C.)

(3) Field effective transistor (F.E.T.)

(4) P.C. boards or the like to which the parts mentioned in (1) and (2) of this paragraph are equipped.

3. Items to be observed in handling

(1) Use a conductive container for carrying and storing of parts. (Even rejected goods should be handled in

the same way.)

(2) When any part is handled uncovered (in counting, packing and the like), the handling person must

always use himself as a body earth. (Make yourself a body earth by passing one M ohm earth

resistance through a ring or bracelet.)

(3) Be careful not to touch the parts with your clothing when you hold a part even if a body earth is

being taken.

(4) Be sure to place a part on a metal plate with grounding.

(5) Be careful not to fail to turn off power when you repair the printed circuit board. At the same time,

try to repair the printed circuit board on a grounded metal plate.

H

IT

A

C

H

I I

C

4

0

1

T

H

1

,

1

8

U

V

Fig. 1 Conductive container

A conductive polyvinyl bag

IC

Conductive sponge

Fig. 2 Body earth

Body earth (Elimik conductive band)

Clip for connection with

a grounding wire

1M

– 3 –

PREVENTION DES DOMMAGES AUX SEMI-CONDUCTEURS

1. Champ d'application

Pour éviter d'endommager les semi-conducteurs utilisés dans les unités, lors de chaque intervention

d'entretien ou de réparation, vous devez observer des précautions spéciales. Les mêmes précautions

doivent être prises lors de la manipulation d'organes défectueux qui doivent être retournés en usine.

2. Pièces détachées de l'appareillage.

(1) Microprocesseur

(2) Circuits intégrés (C.I.)

(3) Transistor à effet de champ (T.E.C)

(4) Circuits imprimés sur lesquels se trouvent implantés les composants (1) et (2).

3. Précautions de manipulation

(1) Pour transporter ou stocker un semi-conducteur, placez-le dans un emballage conducteur. Procéder de

même avec un composant défectueux.

(2) Lorsque vous maniqulez des composants qui ne sont pas protégés (par exemple pour les compter ou

les emballer), vous devez veiller à ce que votre corps soit électriquement relié à la terre. Pour cela,

portez un bracelet conducteur. Reliez le bracelet à une résistance de 1M et celle-ci à la terre par

l'intermédiaire d'un conducteur.

(3) Veillez en outre à ce que vos vêtements ne viennent jamais en contact avec le composant même si

votre corps est relié à la terre.

(4) Déposez le composant sur une surface métallique correctement mise à la terre.

(5) Sous aucun prétexte, n'omettez de couper l'alimentation avant de procéder à une réparation sur un

circuit imprimé. Par ailleurs, l'intervention sur le circuit imprimé doit se faire alors que celui-ci repose

sur une surface métallique mise à la masse.

H

IT

A

C

H

I IC

4

0

1

T

H

1

,

1

8

U

V

Fig. 1 Emballage conducteur

Sac en polyvinyle

conducteur

C.I.

Eponge

conductrice

Fig. 2 Mise à la terre du corps

Bracelet de mise à la terre du corps

(Bande conductrice Elimik)

Pince de connexion avec

fil de mise à la terre

1M

– 4 –

(6) Use a three wire type soldering iron including a grounding wire.

Fig.4 Grounding a solder iron

Use a high insulation mode (100V, 10M or higher) when ordinary iron is to be used.

(7) In checking circuits for maintenance, inspection, or some others, be careful not to have the test probes

of the measuring instrument shortcircuit a load circuit or the like.

Bare copper wire (for body earth)

Metal plate (of Al. stainless steel, etc.)

Working table

Resistor 1M (1/2W)

Earth wirte

Staple

Fig.3 Grounding of the working table

soldering iron

Grounding wire

Screw stop at the screwed

part using a rag plate

– 5 –

(6) Le fer à souder doit être alimenté par un câble à trois conducteurs (dont un pour la mise à la terre).

Fig.4 Mise à la terre d'un fer à souder

Vous pouvez également utiliser un fer à souder ordinaire dans la mesure où il est parfaitement

isolé (au moins 10M sous 100V).

(7) Pendant le contrôle des circuits au cours des opérations d'entretien ou d'inspection, évitez à tout prix la

mise en court-circuit de la charge par les pointes de contact de l'appareil de mesure.

Fil de cuivre nu

(pour mise à la

terre du corps)

Surface métallique (aluminium, acier inoxydable, etc.)

Plan de travail

Résistance de

1M (1/2W)

Câble de masse

Agrafe

Fig.3 Mise à la terre d'un plan de travail

fer à souder

Câble de masse

Poser ici une rondelle éventail et la visser

– 6 –

1. In quiet operation or stopping the running, its heard slight flowing noise of

refrigerant in the refrigerating cycle occasionally, but this noise is not abnormal

for the operation.

2. When it thunders near by, it is recommend to stop the operation and to

disconnect the power cord plug from the power outlet for safety.

3. The room air conditioner dose not start automaticaly after recovery of the

electric power failure for preventing fuse blowing. Re-press START / STOP

button after 3 minutes from when unit stopped.

4. If the room air conditioner is stopped by adjusting thermostat, or missoperation,

and re-start in a moment, there is occasion that the cooling and heating

operation does not start for 3 minutes, it is not abnormal and this is the result

of the operation of IC delay circuit. This IC delay circuit ensures that there is

no danger of blowing fuse or damaging parts even if operation is restarted

accidentally.

5. This room air conditioner should not be used at the cooling operation when the

outside temperature is below –10˚C (14˚F).

6. This room air conditioner (the reverse cycle) should not be used when the

outside temperature is below –15˚C (5˚F).

If the reverse cycle is used under this condition, the outside heat exchanger is

frosted and efficiency falls.

7. When the outside heat exchanger is frosted, the front is melted by operating

the hot gas system, it is not trouble that at this time fan stops and the vapour

may rise from the outside heat exchanger.

CAUTION

– 7 –

1. Dans certaines conditions et pendant un arrêt de fonctionnement, on peut

parfois entendre le bruit du réfrigérant circulant dans les canalisations; ce bruit

n'a rien d'anormal.

2. Pour des raisons de sécurité, il est conseillé, pendant un orage, d'arrêter le

fonctionnement du système en coupant l'alimentation électrique.

3. Pour éviter que le fusible ne fonde, le climatiseur ne démarre pas

automatiquement après une panne de secteur. La remise en marche suppose

une pression sur la touche START / STOP après un délai d'au moins 3 minutes

suivant l'arrêt.

4. Si le climatiseur est arrêté à la suite d'un réglage de thermostat, ou à cause

d'une fausse manoeuvre et qu'il est remis en route, il se peut que la

réfrigération ou le chauffage ne reprenne qu'après 3 minutes. Ce phénomène

est normal et dû à un relais temporisé. Ce relais temporisé a pour rôle

d'éviter que le fusible ne fonde ou que des composants ne soient

endommagés par une remise en service accidentelle.

5. Ce climatiseur ne doit pas être utilisé pour réfrigérer une pièce lorsque la

température extérieure est inférieure à –10˚C (14˚F).

6. Ce climatiseur ne doit pas être utilisé lorsque la température extérieure est

inférieure à –15˚C (5˚F).

En effet, dans ce cas, l'échangeur de chaleur extérieur gèle et le rendement

chute considérablement.

7. Quand l'échangeur de chaleur extérieur est givré, les gaz chauds peuvent

entraîner une vaporisation de l'eau accumulée sur la face avant. Ce n'est pas

un problème si à ce moment-là le ventilateur s'arrête et il se peut que de la

vapeur se dégage de l'échangeur de chaleur extérieur.

ATTENTION

– 8 –

MODEL

FAN MOTOR

FAN MOTOR CAPACITOR

FAN MOTOR PROTECTOR

COMPRESSOR

OVER HEAT PROTECTOR

OVERLOAD RELAY

FUSE (for MICRO COMPUTER)

POWER RELAY, STICK RELAY

POWER SWITCH

TEMPORARY SWITCH

SERVICE SWITCH

TRANSFORMER

VARISTOR

NOISE SUPPRESSOR

THERMOSTAT

REFRIGERANT CHARGING VOLUME

(R410A)

CHARGE EN RÉFRIGÉRANT

(R410A)

UNIT UNITÉ

PIPES

CANALISATIONS

(MAX. 30m)

SPECIFICATIONS CARACTERISTIQUES GENERALES

MODÈLE

MOTEUR DE VENTILATEUR

COMPRESSEUR

RELAIS DE SURCHARGE

INTERRUPTEUR D'ALIMENTATION

INTERRUPTEUR AUXILIAIRE

INTERRUPTEUR DE SERVICE

TRANSFORMATEUR

VARISTANCE

ANTIPARASITAGE

THERMOSTAT

CONDENSATEUR DE MOTEUR

DE VENTILATEUR

PROTECTION DU MOTEUR

DE VENTILATEUR

PROTECTION CONTRE LES

SURCHAUFFES

FUSIBLE

(pour MICROPROCESSEUR)

RELAIS DE PUISSANCE,

RELAIS AUTOEXCITE

REMOTE CONTROL SWITCH (LIQUID CRYSTAL)

INTERRUPTEUR DE TÉLÉCOMMANDE (CRISTAUX LIQUIDES)

YES (RAR-3U2)

OUI (RAR-3U2)

NO

NON

FUSE CAPACITY

CALIBRE DE FUSIBLE

RAF-50FX8

25W (DC35V)

NO NON

YES OUI

NO NON

YES (IC) OUI (IC)

RAC-50FX8

47W (DC380V)

EU1013E2

YES OUI

3A

G4A

NO NON

YES OUI

NO NON

450NR

NO NON

WITHOUT REFRIGERANT BECAUSE COUPLING

IS FLARE TYPE.

SANS RÉFRIGÉRANT EN RAISON DU

RACCORDEMENT FLARE.

A INRUSH - WITH STAND TYPE

A RETARDE-AVEC STAND TYPE

NO NON

1,450g

– 9 –

HOW TO USE

MODEL RAF-50FX8, RAC-50FX8

– 3 –

ENGLISH

FRANÇAIS

ITALIANO

PORTUGUÊS

œœÀ”»Œø

Do not place plants directly under the air flow as it is bad for the plants.

Do not direct the cool air coming out from the air-conditioner panel to face household

heating apparatus as this may affect the working of apparatus such as the electric

kettle, oven etc.

The product shall be operated under the manufacturer specification and not for any

other intended use.

PRECAUTIONS DURING OPERATION

CAUTION

Do not attempt to operate the unit with wet hands, this could cause fatal accident.

When operating the unit with burning equipments, regularly ventilate the

room to avoid oxygen insufficiency.

Please ensure that outdoor mounting frame is always stable, firm and without

defect. If not, the outdoor unit may collapse and cause danger.

Do not wash the unit with water or place a water container such as a vase on the

indoor unit.

Electrical leakage could be present and cause electric shock.

Be sure to stop the operation by using the remote controller and turn off the circuit

breaker during cleaning, the high-speed fan inside the unit may cause danger.

Turn off the circuit breaker if the unit is not be operated for a long period.

Do not climb on the outdoor unit or put objects on it.

When operating the unit with the door and windows opened, (the room humidity is

always above 80%) and with the air deflector facing down or moving automatically

for a long period of time, water will condense on the air deflector and drips down

occasionally. This will wet your furniture. Therefore, do not operate under such

condition for a long time.

If the amount of heat in the room is above the cooling or heating capability of the unit

(for example: more people entering the room, using heating equipments and etc.),

the preset room temperature cannot be achieved.

Indoor unit cleaning must be performed by authorized personnel only. Consult your

sales agent.

Using a commercially available detergent or similar can damage the plastic parts

or clog the drain pipe, causing water to drip with potential electric shock hazard.

Do not touch the air outlet, bottom surface and aluminum fin of the outdoor

unit.

You may get hurt.

Do not touch the refrigerant pipe and connecting valve.

Burns may result.

PROHIBITION

DON'T WET

PROHIBITION

DON’T TOUCH

"OFF"

PROHIBITION

DONíT TOUCH

"OFF"

STRICTLY OBSERVE

PRECAUTIONS

– 2 –

PRECAUTIONS DURING OPERATION

WARNING

SAFETY PRECAUTION

Please read the “Safety Precaution” carefully before operating the unit to ensure correct usage of the unit.

Pay special attention to signs of “

Warning” and “ Caution”. The “Warning” section contains matters

which, if not observed strictly, may cause death or serious injury. The “Caution” section contains matters

which may result in serious consequences if not observed properly. Please observe all instructions strictly to

ensure safety.

The signs indicate the following meanings. (The following are examples of signs.)

Please keep this manual after reading.

Do not reconstruct the unit.

Water leakage, fault, short circuit or fire may occur if you reconstruct the unit by

yourself.

Please ask your sales agent or qualified technician for the installation of your unit.

Water leakage, short circuit or fire may occur if you install the unit by yourself.

Please use earth line.

Do not place the earth line near water or gas pipes, lightning-conductor, or the

earth line of telephone. Improper installation of earth line may cause electric

shock or fire.

Be sure to use the specified piping set for R410A. Otherwise, this may result in

broken copper pipes or faults.

A circuit breaker should be installed depending on the mounting site of the unit.

Without a circuit breaker, the danger of electric shock exists.

Do not install the unit near a location where there is flammable gas. The outdoor unit

may catch fire if flammable gas leaks around it. Piping shall be suitable supported

with a maximum spacing of 1m between the supports.

Please ensure smooth flow of water when installing the drain hose.

Make sure that a single phase 220-230V power source is used.

The use of other power sources may cause electrical components to overheat and

lead to fire.

PRECAUTIONS DURING INSTALLATION

PROHIBITION

CONNECT EARTH LINE

PROHIBITION

WARNING

CAUTION

Avoid an extended period of direct air flow for your health.

Should abnormal situation arise (like burning smell), please stop operating the unit

and remove plug from the socket. Contact your agent. Fault, short circuit or fire may

occur if you continue to operate the unit under abnormal situation.

Please contact your agent for maintenance. Improper self maintenance may cause electric shock

and fire.

Please contact your agent if you need to remove and reinstall the unit. Electric shock or fire may occur

if you remove and reinstall the unit yourself improperly.

PRECAUTIONS DURING SHIFTING OR MAINTENANCE

Do not use any conductor as fuse wire, this could cause fatal accident.

During thunder storm, disconnect the plug top and turn off the circuit breaker.

Do not put objects like thin rods into the panel of blower and suction side because

the high-speed fan inside may cause danger.

Spray cans and other combustibles should not be located within a meter of the air

outlets of both indoor and outdoor units.

As a spray can’s internal pressure can be increased by hot air, a rupture may result.

PROHIBITION

"OFF"

This sign in the figure indicates prohibition. Indicates the instructions that must be followed.

"OFF"

– 10 –

– 4 –

MODEL WIDTH HEIGHT DEPTH

RAF-25FX8

RAF-35FX8

750mm (29-17/32") 590mm (23-6/25") 215mm (8-15/32")

RAF-50FX8

(INDOOR UNIT)

RAC-25FX8

RAC-35FX8 750mm (29-17/32") 548mm (21-29/50") 288mm (11-17/50")

(OUTDOOR UNIT)

RAC-50FX8

792mm (31-2/13") 600mm (23-5/8") 299mm (11-19/25")

(OUTDOOR UNIT)

NAMES AND FUNCTIONS OF EACH PART

Remote controller

MODEL NAME AND DIMENSIONS

INDOOR UNIT

Indoor unit indicators

Horizontal air deflector (Air intake)

(Opens during operation and it closes

when it stops operation.)

Air filter

Front panel

Horizontal air

deflector (Air outlet)

Signal receiver

OUTDOOR UNIT

– 5 –

ENGLISH

FRANÇAISITALIANOSPANISH

PORTUGUÊSœœÀ”»Œø

Open the front panel

•To open the front panel, use the remote controller to stop unit

operation. Then press at the top left and right corners of the front

panel.

•Grasp the left and right sides of the front panel and open it toward

you.

Close the front panel

•To close the front panel, press at the top left and right corners of the

front panel.

•Press the upper center part of the front panel to close properly.

TIMER lamp

This lamp lights when the timer is working.

OPERATION lamp

This lamp lights during operation.

During heating, the operation indicator may

blink, blowing very lightly or totally stopping

under the following conditions:

(1) During preheating (heating operation)

For about 2~3 minutes after start up.

(2) During defrosting (heating operation)

Defrosting will be performed about

once an hour when frost forms on the

heat exchanger of the outdoor unit, for

5~10 minutes each time. (If the piping

length used is longer than usual, frost will

likely to form.)

TEMPORARY SWITCH

Top left and right corners

TEMPORARY SWITCH

If the remote controller does not work due to

battery failure, press this switch to start and

stop operation.

• This temporary operation will be at the most

recent setting made. (The unit will

immediately go into automatic operation

once power is switched on.)

Upper center part

INDOOR UNIT INDICATORS

HOW TO OPEN OR CLOSE THE FRONT PANEL

FILTER lamp

This lamp lights when the

device is operated for a total

of about 200 hours, it is time

to clean the filter. The lamp

goes out when the “

(AUTO

SWING)” button is pressed

while the operation is stopped.

– 11 –

SILENT

LOW

MED

HI

AUTO

HEAT

DEHUMIDIFY

COOL

FAN

FAN SPEED

SLEEPING

STOP (CANCEL)

START (RESERVE)

START/STOP

TIME

TIMER SET

TIMER SELECTOR

ON TIMER

OFF TIMER

AUTO SWING

EXTENDED AIRFLOW

NAMES AND FUNCTIONS OF EACH PART

REMOTE CONTROLLER

This controls the operation of the indoor unit. The range of control is about 7 meters. If indoor lighting is

controlled electronically, the range of control may be shorter.

be controlled from the remote controller.

Handle the remote controller with care. Dropping it or getting it wet may compromise its signal

transmission capability.

After new batteries are inserted into the remote controller, the unit will initially require approximately 10

seconds to respond to commands and operate.

Precautions for Use

Do not put the remote controller in the following places.

In direct sunlight.

In the vicinity of a heater.

it from water.

Once the outdoor unit stops, it will not restart for about 3 minutes (unless you

turn the power switch off and on or unplug the power cord and plug it in again).

This is to protect the device and does not indicate a failure.

If you press the FUNCTION selector button during operation, the device may

stop for about 3 minutes for protection.

Signal emitting window/transmission sign

The transmission sign blinks when a signal is sent.

Display

This indicates the room temperature selected, current time, timer status, function

and intensity of circulation selected.

START/STOP button

Press this button to start operation. Press it again to stop operation.

SLEEP button

Use this button to set the sleep timer.

TEMPERATURE buttons

Use these buttons to raise or lower the temperature setting. (Keep pressed,

and the value will change more quickly.)

TIME button

Use this button to set and check the time.

RESET buttons

FUNCTION selector

Use this button to select the operating mode. Every time you press it, the mode

will change from

(AUTO) to (HEAT) to (DEHUMIDIFY) to (COOL)

and to

(FAN) cyclically.

FAN SPEED selector

This determines the fan speed. Every time you press this button, the intensity

of circulation will change from

(AUTO) to (HI) to (MED) to (LOW)

to

(SILENT). (This button allows selecting the optimal or preferred fan speed

for each operation mode.)

AUTO SWING button

EXTENDED AIRFLOW button

TIMER control

Use these buttons to set the timer.

OFF-TIMER button Select the turn OFF time.

ON-TIMER button Select the turn ON time.

RESERVE button Time setting reservation.

CANCEL button Cancel time reservation.

– 6 –

•

This unit can be fixed on a wall using the fixture provided. Before fixing it, make sure the indoor unit can

•

Handle the remote controller carefully

•

Controls the angle of the horizontal air deflector

Pushes air out further for an extended airflow

– 7 –

ENGLISH

VARIOUS FUNCTIONS

Auto Restart Control

AUTOMATIC OPERATION

The device will automatically determine the mode of operation, HEAT, COOL, or DEHUMIDIFY, depending

on the initial room temperature. The selected mode of operation will change when the room temperature

varies. However, the mode of operation will not change when indoor unit connected to multi type outdoor

unit.

Press the (FAN SPEED) button, AUTO, LOW and SILENT are available.

Press the (START/STOP) button.

Operation starts with a beep.

Press the button again to stop operation.

As the settings are stored in memory in the remote controller, you only have

to press the

(START/STOP) button next time.

You can raise or lower the temperature setting as necessary by maximum

of 3°C.

Press the temperature button and the temperature

setting will change by 1°C each time.

• The preset temperature and the actual room temperature may vary

somewhat depending on conditions.

1

START

STOP

Press the FUNCTION selector so that the display indicates the

(AUTO) mode of operation.

•When AUTO has been selected, the device will automatically

determine the mode of operation, HEAT, COOL, or DEHUMIDIFY,

depending on the current room temperature.

• If there is a power failure, operation will be automatically restarted when the power is resumed with

previous operation mode and airflow direction.

(As the operation is not stopped by remote controller.)

• If you intend not to continue the operation when the power is resumed, switch off the power supply.

When you switch on the circuit breaker, the operation will be automatically restarted with previous

operation mode and airflow direction.

Note: 1. If you do not require Auto Restart Control, please consult your sales agent.

2. Auto Restart Control is not available when Timer or Sleep Timer mode is set.

– 12 –

Set the desired FAN SPEED with the (FAN SPEED) button (the

display indicates the setting).

(AUTO) : The fan speed changes automatically according

to the temperature of the air which blows out.

(HI):Economical as the room will become warm

quickly.

But you may feel a chill at the beginning.

(MED) : Quiet.

(LOW) : More quiet.

(SILENT) : Ultra quiet.

HEATING OPERATION

Use the device for heating when the outdoor temperature is under 21

°

C.

When it is too warm (over 21

°

C), the heating function may not work in order to protect the device.

In order to keep reliability of the device, please use this device above -15

°

C of the outdoor temperature.

Press the FUNCTION selector so that the display indicates

(HEAT).

As the settings are stored in memory in the remote controller, you only have

to press the

(START/STOP) button next time.

Set the desired room temperature with the TEMPERATURE buttons

(the display indicates the setting).

The temperature setting and the actual room temperature may vary

somewhat depending on conditions.

Press the (START/STOP) button. Heating operation starts with

a beep. Press the button again to stop operation.

1

3

2

START

STOP

Defrosting

Defrosting will be performed about once an hour when frost forms on the heat exchange of the outdoor unit,

for 5~10 minutes each time.

During defrosting operation, the operation lamp blinks in cycle of 3 seconds on and 0.5 second off.

The maximum time for defrosting is 20 minutes.

However, if it is connected to multi type outdoor unit, the maximum time for defrosting is 15 minutes.

(If the piping length used is longer than usual, frost will likely to form.)

– 8 – – 9 –

•

ENGLISH

DEHUMIDIFYING OPERATION

When you want to change the operation mode, please use the FUNCTION

selector.

Set the desired temperature is available.

You also can use the FUNCTION selector to select this operation.

Press the FUNCTION selector so that the display indicates

(DEHUMIDIFY).

The FAN SPEED button, LOW and SILENT.

Press the (START/STOP) button.

1

Dehumidifying takes place with a target temperature which is slightly lower than the room temperature

setting. (However, target temperature is 16°C for a temperature setting of 16°C.)

If the room temperature becomes lower than the target value, operation stops. If the room temperature

becomes higher than the target value, operation restarts.

The preset room temperature may not be reached depending on the number of people present in the room

or other room conditions.

Dehumidifying Function

START

STOP

Use the device for dehumidifying when the room temperature is over 16

°

C.

When it is under 15

°

C, the dehumidifying function will not work.

•

– 13 –

Set the desired FAN SPEED with the (FAN SPEED) button (the

display indicates the setting).

(AUTO) : The FAN SPEED is HI at first and varies to MED

automatically when the preset temperature has

been reached.

(HI) : Economical as the room will become cool quickly.

(MED) : Quiet.

(LOW) : More quiet.

(SILENT) : Ultra quiet.

Press the FUNCTION selector so that the display indicates

(COOL).

As the settings are stored in memory in the remote controller, you only have

to press the

(START/STOP) button next time.

Set the desired room temperature with the TEMPERATURE buttons

(the display indicates the setting).

The temperature setting and the actual room temperature may vary

somewhat depending on conditions.

Press the (START/STOP) button. Cooling operation starts with

a beep. Press the button again to stop operation. The cooling function

does not start if the temperature setting is higher than the current

room temperature (even though the

(OPERATION) lamp lights).

The cooling function will start as soon as you set the temperature

below the current room temperature.

COOLING OPERATION

1

2

3

START

STOP

– 10 – – 11 –

Use the device for cooling when the outdoor temperature is –10~42°C.

If humidity is very high (over 80%) indoors, some dew may form on the air outlet grille of the indoor unit.

ENGLISH

FAN OPERATION

You can use the device simply as an air circulator. Use this function to dry the interior of the indoor unit

at the end of summer.

FAN SPEED (AUTO)

For the cooling operation

For the heating operation

The fan speed will automatically change according to the temperature of

discharged air.

As room temperature reaches the preset temperature, a very light breeze

will blow.

Operation starts in the ìHIî mode to reach the preset temperature.

As room temperature approaches the preset temperature, fan speed

automatically switches to ìMEDî.

Press the (START/STOP) button. Fan operation starts with a

beep. Press the button again to stop operation.

Press the (FAN SPEED) button.

(HI) : The strongest air blow.

(MED) : Quiet.

(LOW) : More quiet.

(SILENT) : Ultra quiet.

Press the FUNCTION selector so that the display indicates (FAN).

1

2

START

STOP

When the (EXTENDED AIRFLOW) button is pressed during operation, the airflow

direction will automatically set according to the type of operation and the fan speed will

change to allow air to blow further. (During cooling operation, fan speed will return to

the original position after 3 hours.)

If the (EXTENDED AIRFLOW) button is pressed while the AUTO SWING mode is

set, the AUTO SWING mode is cancelled and the EXTENDED AIRFLOW mode is set.

If the

(AUTO SWING) button is pressed while the EXTENDED AIRFLOW mode is set,

the EXTENDED AIRFLOW mode is cancelled and the AUTO SWING mode is set.

Press (EXTENDED AIRFLOW) button to lower the room temperature quickly when

the temperature is high during the cooling operation.

EXTENDED AIRFLOW

•

If the (EXTENDED AIRFLOW) button is pressed when the horizontal air deflector

stops at your preferred angle, the deflector will change to EXTENDED AIRFLOW.

… When the AUTO fan speed mode is set in the cooling/heating operation:

– 14 –

– 12 –

Stop

Start

HOW TO SET THE TIMER

TIME

(current time)

OFF TIMER

ON TIMER

RESERVE

CANCEL

1

Set the (TIME) button.

1

Press the (OFF-TIMER)

button. The

(OFF) mark blinks on

the display.

After you change the

batteries;

You can set the device to turn off at

the present time.

1

Press the (ON-TIMER)

button. The

(ON) mark blinks on

the display.

The device will turn on at the

designated times.

1

Press the

(ON-OFF) button so

that the

(OFF)

mark blinks.

2

Set the turn-off time with

the TIMER control button.

Press the

(RESERVE)

button.

3

Press the (ON-

TIMER) button so that the

(OFF) mark lights and

the

(ON) mark blinks.

• The device will turn on (off) and

off (on) at the designated times.

• The switching occurs first at the

preset time that comes earlier.

• The arrow mark appearing on the

display indicates the sequence of

switching operations.

How to Cancel Reservation

Point the signal window of the remote controller toward the indoor unit, and press the (CANCEL)

button.

The

(RESERVED) sign goes out with a beep and the (TIMER) lamp turns off on the indoor unit.

NOTE

You can set only one of the OFF-timer,

ON-timer and ON/OFF-timer.

Start

Stop

AM

PM

AM

PM

AM

PM

StopStart

ON-Timer

OFF-Timer

Time

ON/OFF-Timer

ENGLISH

3

Point the signal window of the remote controller toward the indoor unit, and

press the (RESERVE) button.

The

(RESERVED)

sign lights. A beep occurs and the

(TIMER) lamp lights on the indoor unit.

2

Set the turn-on time with the

TIMER control button.

Example:

The device will automatically turn on earlier so that

the preset temperature can be reached at 7:00a.m.

The setting of the turn-on time is now complete.

4

Set the turn-on time with the

TIMER control button.

Example:

The device will turn off at 10:30p.m. and then

automatically turn on earlier so that the preset

temperature can be reached at 7:00a.m.

The settings of the turn-on/off times are now

complete.

5

Point the signal window of the remote controller toward the indoor unit, and

press the

(RESERVE) button.

The

(RESERVED) sign

lights. A beep occurs and the

(TIMER) lamp lights on the indoor unit.

The timer may be used in three ways: off-timer, on-timer and ON/OFF (OFF/ON)-timer. Set the current time

As the time settings are stored in memory in the remote controller, you only have to press the

(RESERVE)

button is order to use the same settings next time.

Example: The current time is 1:30p.m.

The time indication will disappear automatically in

10 seconds.

To check the current time setting, press the

(TIME)

button twice.

The setting of the current time is now complete.

2

Set the current time with

the TIMER control button.

3

Press the (TIME) button

again. The time indication starts

2

Set the turn-off time with the

TIMER control button.

3

Point the signal window of the remote controller toward the indoor unit, and

press the (RESERVE) button.

The

(RESERVED)

sign lights. A beep occurs and the

(TIMER) lamp lights on the indoor unit.

PM

AM

PM

AM

PM

AM

PM

AM

PM

– 13 –

(ON) mark starts lighting instead of flashing and the

at first because it serves as a reference.

(OFF) mark starts lighting instead of flashing and the

Example:

The device will turn off at 11:00p.m.

The setting of turn-off time is now complete.

•

lighting instead of flashing.

– 15 –

– 14 –

HOW TO SET THE SLEEP TIMER

Set the current time at first if it is not set before (see the pages for setting the current time). Press the

(SLEEP) button and the display changes as shown below.

SLEEP

How to Cancel Reservation

Point the signal window of the remote controller toward the indoor unit, and press the (CANCEL)

button.

The

(RESERVED) sign goes out with a beep and the (TIMER) lamp turns off on the indoor unit.

Mode Indication

Sleep Timer

Sleep Timer: The device will continue working for the desired number

of hours and then turn off.

Point the signal window of the remote controller toward the indoor unit,

and press the SLEEP button.

The timer information will be displayed on the remote controller. The

TIMER lamp lights with a beep from the indoor unit. When the sleep

timer has been set, the display indicates the turn-off time.

Example: If you set 3 hours sleep time

at 11:38 p.m., the turn-off time is

2:38 a.m..

Start

Sleep

timer

The device will be turned off by the sleep timer

and turned on by on-timer.

1

Set the ON-timer.

2

Press the (SLEEP) button and set the sleep timer.

For heating:

In this case, the device will turn off in 2

hours (at 1:38 a.m.) and will turn on

early so that the present temperature

will be almost reached at 6:00 a.m. next

morning.

1 hour 2 hours 3 hours 7 hours

Sleep timer off

H

AM

H

AM

– 15 –

ENGLISH

Vertical air deflector

ADJUSTING THE AIR DEFLECTORS

Adjustment of the conditioned air in the upward

and downward directions.

The horizontal air deflector is automatically set to

the proper angle suitable for each operation. The

deflector can be swung up and down continuously

and also set to the desired angle using the “

(AUTO SWING)” button.

1

CAUTION

•When operating the unit in cooling operation with the air deflector facing down and moving automatically

for a long period of time, water will be condensed on the air deflector and drips down occasionally. This

will wet your furniture.

Vertical

When

heating,

about 20°

When cooling,

dehumidifying

about 50°

about

70°

EXTENDED AIRFLOW

(Heating)

Adjustment of the conditioned air to the left and

right.

Hold the vertical air deflector as shown in the figure

and adjust the conditioned air to the left and right.

2

• If the “ (AUTO SWING)” button is

pressed once, the horizontal air deflector

swings up and down. If the button is

pressed again, the deflector stops in its

current position.

• Use the horizontal air deflector within

the adjusting range shown in the right

figure.

• When the “

(AUTO SWING)” button is

pressed while the operation is stopped,

the horizontal air deflector moves and

stops at the position where the air outlet

closes.

• When the auto swing operation is

performed, if the horizontal air deflector

is moved manually, the swinging range

may drift. However, it will return to the

original operation range after a short

time.

• When the humid in the room is high

during cooling or dehumidifying

operation, the vertical air deflector may

automatically change to the straight

direction to prevent dew (except during

auto swing operation).

EXTENDED AIRFLOW

(Cooling, dehumidifying)

– 16 –

HOW TO CHANGE THE BATTERIES IN THE REMOTE CONTROLLER

CIRCUIT BREAKER

When you do not use the room air conditioner, set the circuit breaker to “OFF”.

HOW TO USE THE AIR CONDITIONER EFFECTIVELY

1. An average room temperature setting is probably the best for you as well as being

economical.

•Excessive cooling or heating is not recommended for health reasons. High electricity

bills may also result.

•Close the curtains or blinds to prevent heat from flowing into or escaping the room as

well as to make more effective use of electricity.

2. At intervals, the doors and windows should be opened to let fresh air in.

CAUTION

Make sure the room is ventilated when operating the air conditioner

at the same time as other heating appliances.

3. Using the timer is recommended before going to sleep or going out.

4. The following must never be used for cleaning the indoor and outdoor units:

•Benzine, thinner and scrub can damage plastic surfaces or coating.

•Hot water above 40°C can shrink the filter and deform plastic parts.

5. Do not block the air intake and air outlet.

•Do not block the air outlets and intakes of the indoor and outdoor units with curtains

or other obstacles which could degrade air conditioner performance and cause unit

failure.

TEMPORARY SWITCH

If the remote controller does not work due to battery failure,

press this switch to start and stop operation.

• This temporary operation will be at the setting made most

recently. (The unit will immediately go into automatic

operation once power is switched on.)

TEMPORARY SWITCH

CAUTION

1. Do not mix new and old batteries, or different type of

batteries together.

2. Remove the batteries when you do not use the remote

controller for 2 or 3 months.

Install the new batteries.

The direction of the batteries should match the marks in

the case.

Remove the cover as shown in the figure and remove the

old batteries.

2

1

Push and pull to

the direction of

arrow mark

.

Cover

– 17 –

ENGLISH

1. AIR FILTER

Clean the air filter, as it removes dust inside the room.

Be sure to clean the filter once every two weeks so as not to consume electricity unnecessarily.

PROCEDURE

MAINTENANCE

Open the front panel.

• To open the front panel, use the remote controller to stop unit

operation. Then press at the top left and right corners of the front

panel.

•Grasp the left and right sides of the front panel and open it toward you.

1

WARNING

•Before cleaning, stop unit operation with the remote controller and turn off the circuit breaker.

Remove the filters.

(Front side 2 pieces, upper side 2 pieces, total 4 pieces.)

2

Remove dust of the filters using a vacuum cleaner.

•After using neutral detergent, wash with clean water and dry in

shade.

3

Attach the filters.

•Attaching the filters.

(Front side 2 pieces, upper side 2 pieces, total 4 pieces.)

4

CAUTION

•Do not wash with hot water at more than 40°C. The filter may shrink.

•When washing it, shake off moisture completely and dry it in the shade; do not expose it directly to the sun.

The filter may shrink. And also use a soft sponge to wash. Using a scrubber or brush cause the metal film

on the surface to come off.

•Don’t operate the unit without filter. Fault may occur if you continue.

Close the front panel.

• To close the front panel, press at the top left and right corners of the

front panel.

•Press the upper center part of the front panel to close properly.

5

CAUTION

•

Do not expose the unit to water as it may cause an electric shock.

•For cleaning inside the air conditioner, consult your sales agent.

•Avoid using detergent when cleaning the heat exchanger of the indoor unit. Unit failure may result.

•When cleaning the heat exchanger with a vacuum cleaner, make sure to wear gloves so as not to injure your

hands on the heat exchanger fins.

Upper side filter

Front side filter

– 17 –

– 18 –

Removing

1 Press the hook found at the tip of the resin band

installed inside the front panelís right section to

remove the resin band.

2. HOW TO INSTALL AND REMOVE THE FRONT PANEL

• Be sure to use both hands to grasp the front panel when removing it or attaching it.

• The front panel may be installed up or down to suit user preference.

4. MAINTENANCE AT BEGINNING OF LONG OFF PERIOD

• Activating air conditioner drying will keep the interior of the indoor unit

dry and prevent mold formation.

•

Turn off the circuit breaker.

2 Pull the front panel down toward you and once

fully open, pull it to remove.

1 Attach three front panel bearings to the axis of

the front cover. (Set the hook to face up.)

2 Insert the tip of the resin band into the hole of the

protrusion inside the right section of the front

panel.

3. CLEANING OF FRONT PANEL

The front panel can be washed in water. It can be kept clean at all times.

•Front panel can be removed and washed in water. Gently clean the

front panel using a soft sponge.

• When the air conditioner is to be cleaned without removing the front

panel, clean both the body and remote controller with a dry soft cloth.

• Wipe off water completely. If water remains on the display section or

light receiver section, this could cause a malfunction.

CAUTION

• Do not splash or direct water to the body of the unit when cleaning it as this may

cause short circuit.

• Never clean with hot water (above 40

°C

), benzine, gasoline, acid, thinner or a

brush, because it will damage the plastic surface and the coating.

Resin band

Air blow

B

E

N

Z

I

N

E

T

H

I

N

E

R

A

C

I

D

Hook

Front cover

Front panel

Resin band

Attaching

– 19 –

ENGLISH

5. AIR CLEANSING FILTERS (SPX-CFH15)

• When installing the air cleansing filters, remove the air filters and attach

them onto the hooks of the front cover frame.

• The cooling capacity is slightly weakened and the cooling speed becomes

slower when the air cleansing filters are used. So, set the fan speed to

“HIGH” when using it in this condition.

• The air cleansing filters can be used for 2 years.

Air cleansing filters

– 18 –

– 20 –

Heating Capability

•

This room air conditioner utilizes a heat pump system that absorbs

exterior heat and brings it into a room to be heated. As the ambient

temperature gets lower, heating capability will also lower. In such a

situation, the PAM and inverter work to increase compressor rpm to keep

the unitís heating capability from decreasing. If the unitís heating

performance is still unsatisfactory, other heating appliances should be

used to augment this unitís performance.

•

The air conditioner is designed to heat an entire room so that it may take some time before you feel warm. Timer

Cooling and Dehumidifying Capabilities

•

If the heat present in a room exceeds the unitís cooling capacity (for example, if there are many people in the room

or other heating appliances are used), the preset room temperature may not be reached.

INFORMATION

CAPABILITIES

CAUTION

Do not use a stove

or any other high-

temperature devices

in proximity to the

indoor unit.

• When fan speed, room temperature are set with the remote controller before starting manual operation and

the buttons are released, the indication of settings will go off in 10 seconds and only the operation mode will

be displayed.

• Pressing the button while the unit is in operation will let the protective circuit work so that the unit will

not operate for approximately 3 minutes.

•

If you feel cold wind during warming operation with the (HI) fan speed or want to make the unit operation

quieter after the room is heated, use of

(AUTO) setting is recommended.

• With the (SILENT) setting, the unitís cooling capability will lower slightly.

VARIOUS FUNCTIONS

• When the timer has been programmed, the unit will not operate even if the set time is reached unless the unit

receives a signal from the remote controller.

that timer programming is complete (beep) and the

TIMER lamp of the indoor unit lights.

• If the (SLEEP) button is pressed while the ON/OFF timer is programmed, the sleep timer takes priority.

• During sleep timer operation, the fan speed sets to (SILENT) regardless of the preset speed. The remote

controller display indication will remain unchanged even with the

(SILENT) setting.

TIMER PROGRAMMING/SLEEP TIMER OPERATION

PROHIBITION

operation is recommended for effective preheating ahead of the desired time.

During heating operation, the indoor unit’s color indicator lamp may flash with no air emitted for a while.

– 21 –

ENGLISH

REGULAR INSPECTION

PLEASE CHECK THE FOLLOWING POINTS EVERY EITHER HALF YEARLY OR YEARLY. CONTACT YOUR

SALES AGENT SHOULD YOU NEED ANY HELP.

1

2

Check to see if the unit’s earth line has been connected

correctly.

If the earth line is disconnected or faulty, unit failure or electric

shock hazard may result.

Check to see if the mounting frame has rusted excessively

or if the outdoor unit has tilted or become unstable.

It could collapse or fall, causing injury.

WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING

CONDITION CHECK THE FOLLOWING POINTS

• Do the batteries need replacement?

•Is the polarity of the inserted batteries correct?

•Is the air filter blocked with dust?

•Is the set temperature suitable?

• Have the top and bottom air deflectors been adjusted to their correct

positions according to the operation mode selected?

•Are the air inlets or air outlets of indoor and outdoor units blocked?

•Is the fan speed “LOW” or “SILENT”?

WARNING

AFTER SALES SERVICE AND WARRANTY

•Is the fuse all right?

•Is the voltage extremely high or low?

•Is the circuit breaker “ON”?

•Is the setting of operation mode different from other indoor units?

When it does not operate.

When it does not cool well.

When it does not heat well.

The unit is preparing to blow warm air. Please wait.

The outdoor unit is defrosting. Please wait.

Hissing or fizzy sounds

Refrigerant flow noise in the pipe or valve sound generated when flow rate is

adjusted.

Squeaking noise

Noise generated when the unit expands or contracts due to temperature

changes.

Rustling noise

Noise generated with the indoor unit fan’s rpm changing such as operation start

times.

Clicking noise Noise of the motorized valve when the unit is switched on.

Perking noise

Noise of the ventilation fan sucking in air present in the drain hose and blowing out

dehumidifying water that had accumulated in the condensed water collector. For

details, consult your sales agent.

Changing operation noise

Operation noise changes due to power variations according to room temperature

changes.

Mist emission Mist is generated as the air within the room is suddenly cooled by conditioned air.

During heating, the operation indicator

blinks and air blow stops

If the remote controller is not

transmitting a signal.

(Remote controller display is

dim or blank.)

The following phenomena do not indicate unit failure.

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