Hitachi RAS-19JP4 User manual

RAS-19JP4

RAS-24JP4

Instruction manual Page 1~22

To obtain the best performance and ensure years of

trouble free use, please read this instruction manual

completely.

تﺎﻤﻴﻠﻌﺘﻟا ﺐﻴﺘﻛ٢٢-١ ص

ﻮـﻃ ةﺪﳌ زﺎﻬﳉا لﺎﻤﻌﺘﺳا ﻦﻜﳝ ﻲﻜﻟﻼﻃﻹا ﺐﺠﻳ ﺐﻄﻋ نوﺪﺑ ﺔﻠﻳ

.اﺪﻴﺟ ﺐﻴﺘﻜﻟا اﺬﻫ ﻰﻠﻋ

SPLIT TYPE

INDOOR UNIT/OUTDOOR UNIT

MODEL

RAS-19JP4/RAC-19JP4

RAS-24JP4/RAC-24JP4

INDOOR UNIT

OUTDOOR UNIT

RAC-19JP4

RAC-24JP4

RAS/RAC 19/24JP4(ENG COVER) 17/2/09, 3:13 PM1

– 2 –

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 sign indicate the following meanings.

●

Please keep this manual after reading.

WARNING

PRECAUTIONS DURING INSTALLATION

●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.

●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 near location where there is flammable gas. The outdoor

unit may catch fire if flammable gas leaks around it.

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

CAUTION

PRECAUTIONS DURING OPERATION

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

●Do not insert a finger, a rod or other objects into the air outlet or inlet. As the fan

is rotating at a high speed, it will cause injury. Before cleaning, be sure to stop the

operation and turn the breaker OFF.

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

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

Make sure to connect earth line.

Indicates the instructions that must be followed.

The sign in the figure indicates prohibition.

PRECAUTIONS DURING SHIFTING OR MAINTENANCE

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

and turn off the circuit breaker. 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.

●If the supply cord is damaged, it must be replaced by the special cord obtainable

at authorized service/parts centers.

(EN1) RAS-19/24JP4 (1-5) 17/2/09, 14:452

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– 3 –

ENGLISH

PRECAUTIONS DURING OPERATION

●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.

●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.

●Do not use any aerosol or hair sprays near the indoor unit. This chemical

can adhere on heat exchanger fin and blocked the evaporation water flow

to drain pan. The water will drop on tangential fan and cause water splashing

out from indoor unit.

●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 splash or direct water to the body of the unit when cleaning it as this

may cause short circuit.

●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.

●This appliance is not intended for use by young children or infirm persons unless they have been

adequately supervised by a responsible person to ensure that they can use the appliance safely.

●Young children should be supervised to ensure that they do not play with the appliance.

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

●Please switch off the unit 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 to be operated for a long period.

●The product shall be operated under the manufacturer specification and

not for any other intended use.

●Do not put water container (like vase) on the indoor unit to avoid water

dripping into the unit. Dripping water will damage the insulator inside the unit

and causes short-circuit.

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

(EN1) RAS-19/24JP4 (1-5) 17/2/09, 14:453

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– 4 –

INDOOR UNIT

NAMES AND FUNCTIONS OF EACH PART

Air filter

To prevent dust from coming into the indoor unit.

(Refer page 17)

Front panel

Indoor unit indicators

Light indicator showing the operating condition.

(Refer page 5)

Horizontal deflector ●Vertical deflector

(Air Outlet)

(Refer page 12)

Remote controller

Send out operation signal to the indoor unit. So as to

operate the whole unit.

(Refer page 6)

OUTDOOR UNIT

Drain pipe

Condensed water drain to outside.

Connecting cord and insulation pipe for piping

Air inlet (Back and Left side)

Air outlet

WIDTH (mm)

1030

850

MODEL

RAS-19JP4 / RAS-24JP4

RAC-19JP4 / RAC-24JP4

HEIGHT (mm)

295

650

DEPTH (mm)

207

298

MODEL NAME AND DIMENSIONS

(EN1) RAS-19/24JP4 (1-5) 17/2/09, 14:454

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– 5 –

ENGLISH

INDOOR UNIT INDICATORS

OPERATION INDICATOR

●This figure shows the opening condition of

front panel. Refer to page 16 in relation to

how to open or close the front panel.

OPERATION LAMP

This lamp lights during operation.

TIMER LAMP

This lamp lights when the timer is working.

FILTER LAMP

When the device is operated for a total of about 200

hours, the FILTER lamp lights to indicate that it is time

to clean the filter. The lamp goes out when the POWER

SWITCH set to OFF and ON again.

TEMPORARY

SWITCH

TEMPORARY

SWITCH

HITACHI

TEMPORARY SWITCH

●Use this switch to start and stop when the remote controller does not work.

●By pressing the temporary switch, the operation is done in automatic mode.

(EN1) RAS-19/24JP4 (1-5) 17/2/09, 14:455

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– 6 –

NAMES AND FUNCTIONS OF REMOTE CONTROL UNIT

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.

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

be controlled from the remote controller.

●Transmission sign

The transmission sign blinks when a signal is sent.

●Display

This indicates the room temperature selected, timer status, function

and intensity of circulation selected.

●CIRCULATION button

Use this button to set air circulation in the room or start operation.

●DEHUMIDIFYING button

Use this button to reduce humidity in the room or start operation.

●COOLING button

Use this button to set cooling mode in the room or start operation.

●RESET button

●STOP button

Press this button to stop operation only.

●SLEEP button

Use this button to set the sleep timer.

●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).

●AUTO SWING button

Controls the angle of the horizontal air deflector.

●TEMPERATURE button

Use this button to raise or lower the temperature setting. (Keep

pressed, and the value will change more quickly.)

●OFF-TIMER button Select to turn OFF time.

●ON-TIMER button Select to turn ON time.

Precautions for Use

●Do not put the remote controller in the following places.

●In direct sunlight.

●In the vicinity of a heater.

●Handle the remote controller carefully. Do not drop it on the

floor, and protect 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.

CIRCULATION / START

DEHUMIDIFY / START

COOLING / START

FAN

FAN SPEED

LOW

MED

SLEEP TIMER

STOP

TIMER SELECTOR

ON TIMER

OFF TIMER

AUTO SWING

(EN2) RAS-19/24JP4 (6-12) 17/2/09, 14:466

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–7 –

ENGLISH

COOLING OPERATION

Use the device for cooling when the outdoor temperature is 21-54°C.

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

Press the button so that the display indicates

(COOL).

Cooling operation starts with a beep.

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.

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 or LOW automatically when the preset

temperature has been reached.

(HI) : Economical as the room will become cool

quickly.

(MED) : Fan speed slow.

(LOW) : Fan speed slower.

Set the desired room temperature with the TEMPERATURE

button (the display indicates the setting).

The range of 25-28°C is recommended as the

room temperature for cooling.

If the temperature setting is 27°C, the room

temperature will be controlled at around 27°C.

The temperature setting and the actual room temperature may

vary somewhat depending on conditions.

Press the (STOP) button to stop operation.

■As the settings are stored in memory in the remote controller, you

only have to press the (COOLING) button next time.

STOP

(EN2) RAS-19/24JP4 (6-12) 17/2/09, 14:467

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–8 –

DEHUMIDIFYING OPERATION

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.

■Dehumidifying Function

When the room temperature is higher than the temperature setting: The device will dehumidify the room,

reducing the room temperature to the preset level.

When the room temperature is lower than the temperature setting: Dehumidifying will be performed at the

temperature setting slightly lower than the current room temperature, regardless of the temperature

setting. The function will stop (the indoor unit will stop emitting air) as soon as the room temperature

becomes lower than the setting temperature.

■As the settings are stored in memory in the remote controller, you

only have to press the (DEHUMIDIFY) button next time.

Set the desired room temperature with the TEMPERATURE

button (the display indicates the setting).

The range of 20-26˚C is recommended as the

room temperature for dehumidifying.

Press the button so that the display indicates

(DEHUMIDIFY).

Dehumidifying operation starts with a beep.

The FAN SPEED is set at LOW automatically.

The FAN SPEED button does not work.

Press the (STOP) button to stop operation.

STOP

(EN2) RAS-19/24JP4 (6-12) 17/2/09, 14:468

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–9 –

ENGLISH

CIRCULATION OPERATION

Press the button so that the display indicates

(CIRCULATION).

Circulating operation starts with a beep.

Press the FAN SPEED button and select the desired FAN

SPEED (the display indicates your choice).

Press the temperature control button to set to the desired

temperature.

■As the settings are stored in memory in the remote controller,

you only have to press the (CIRCULATION) button next time.

Press the (STOP) button to stop operation.

STOP

■Circulation Function

●During circulation operation, compressor will not be running and there is no cooling operation with only

indoor fan running.

●When the setting temperature is higher than room temperature, indoor fan will stop running.

(EN2) RAS-19/24JP4 (6-12) 17/2/09, 14:469

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–10 –

HOW TO SET THE SLEEP TIMER

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

Mode

Sleep timer

Indication

1 hour 2 hours 3 hours 7 hours

Sleep timer off

44 44

Sleep Timer: The device will continue working for the designated

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.

Cooling

“”

and

dehumidifying

“”

Explanation of the sleep timer

The device will control the FAN SPEED and room temperature automatically

so as to be quiet and good for people’s health.

You can set the sleep timer to turn off after 1, 2, 3 or 7 hours. The FAN

SPEED and room temperature will be controlled as shown below.

Function Operation

The room temperature will be

controlled 2°C above the

temperature and the FAN

SPEED will be set to LOW

setting 60 minutes after the

setting of the sleep timer.

Operation with the sleep timer

SLEEP

(EN2) RAS-19/24JP4 (6-12) 17/2/09, 14:4610

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