Hitachi RAD-25NH7 Руководство пользователя

– 1 –

ENGLISH

SPLIT TYPE AIR CONDITIONER

INDOOR UNIT

MODEL

RAD-18NH7

RAD-25NH7

RAD-35NH7

RAD-50NH7

Instruction manual Page 1~20

To obtain the best performance and ensure years of trouble

free use, please read this instruction manual completely.

Bedlenungsanleitung Suite 21~40

Bitte lesen Sie diese Bedienungsanleitung aufmerksam

durch, um durch richtige Bedienung jahrelangen und

störungsfreien Betrieb zu gewährleisten.

Mode d’emploi Page 41~60

Des performances optimales et un fonctionnement à long

terme seront assurés en appliquant les présentes

instructions après avoir entièrement lu ce mode d’emploi.

Manuale di istruzioni Pag. 61~80

Per garantire la migliore prestazione e la più lunga

durataleggere attentamente e al completo le seguanti

istruzioni.

Manual de instrucciones Página 81~100

Para obtener el mejor funcionamiento y asegurar años de

uso libre de problemas, lea cuidadosamente este manual

de instrucciones.

Manual de instruções Página 101~120

A fim de obter um bom funcionamento e de garantir uma

utilização sem falhas durante muitos anos, é favor ler este

manual de instruções completamente.

O‰ËÁ›Â˜ XÂÈÚÈÛÌÔ‡ ™ÂÏ›‰· 121~140

°È· ÙËÓ Î·Ï‡ÙÂÚË ‰˘Ó·Ù‹ ·ﬁ‰ÔÛË Î·È ÙËÓ Ì·ÎÚÔ¯ÚﬁÓÈ·

Î·È ¯ˆÚ›˜ ÚÔ‚Ï‹Ì·Ù· ¯Ú‹ÛË ÙË˜ Û˘ÛÎÂ˘‹˜ ·˘Ù‹˜,

·Ú·Î·ÏÔ‡ÌÂ ‰È·‚¿ÛÙÂ Ï‹Úˆ˜ ÙÈ˜ Ô‰ËÁ›Â˜ ¯ÂÈÚÈÛÌÔ‡ ÙË˜.

Инструкция по эксплуатации

стр. 141~160

Для обеспечения наилучших эксплуатационных

характеристик и многолетней безотказной работы

оборудования необходимо ознакомиться с данной

Инструкцией по эксплуатации.

RAD-18NH7

RAD-25NH7

RAD-35NH7

RAD-50NH7

– 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 SHIFTING OR MAINTENANCE

PRECAUTIONS DURING OPERATION

●

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

W

A

R

N

I

N

G

!

●

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.

●

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.

W

A

R

N

I

N

G

!

– 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 place plants directly under the air flow as it is bad for the plants.

●

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.

C

A

U

T

I

O

N

!

●

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 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.

– 4 –

MULTI-AIR CONDITIONER

With this multi-air conditioner, several indoor units can be connected to one outdoor unit to be driven. You

can operate the required number of indoor units.

Combination of Operations:

● You cannot operate the indoor units in

the following combinations.

● The indoor unit which is switched on first continues

to operate, but other indoor units which is switched

on later does not operate while the lamp lights.

● To re-start an indoor unit which was operated later,

stop the indoor unit which was operated first or

later and reset the type of operation, then perform

operation again.

One unit

Heating

Other unit

Cooling

Dehumidifying

Circulating (fan)

Adjusting the Number of Indoor

Units:

Decrease the number of

indoor units to be operated

especially when it is very

hot or cold or when you

want to reach the present

temperature quickly.

Stopped Indoor Units:

When an indoor unit is operated in the

cooling, heating or dehumidifying mode in

the room, the sound of refrigerant flow may

be heard from a stopped indoor unit or a

stopped indoor unit may become warm.

This is because the indoor unit returns

refrigerant to the outdoor unit to be ready

for operation.

When operation mode is selected:

● When heating operation is automatically selected for the first indoor unit, the next indoor unit will then

start to heat. Also, if cooling or dehumidifying is automatically selected for the first indoor unit, the next

indoor unit will also start to cool or dehumidify.

During automatic operation:

– 5 –

ENGLISH

INDOOR UNIT

NAMES AND FUNCTIONS OF EACH PART

WIDTH (mm)

750

MODEL

RAD-18NH7/RAD-25NH7/RAD-35NH7/RAD-50NH7

HEIGHT (mm)

235

DEPTH (mm)

400

MODEL NAME AND DIMENSIONS

Electrical

box

Air outlet

Filter

Air inlet

– 6 –

NAMES AND FUNCTIONS OF REMOTE CONTROL UNIT

■ This controls the operation function and timer setting of the room air conditioner.

Hr.

START/STOP Button

12

Use this button to select the

operating mode. Every time you

press it, the mode will change from

(AUTO) to (HEAT) to

(DEHUMIDIFY) and to (COOL)

cyclically.

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) (This

button allows selecting the optimal

or preferred fan speed for each

operation mode).

Precautions for Use

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

● Under 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.

● If you press the FUNCTION selector button during operation, the device may stop for about

3 minutes for protection.

– 7 –

ENGLISH

AUTOMATIC OPERATION

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

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

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

to press the (START/STOP) button next time.

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. However the mode of operation will

not change when indoor unit connected to multi type outdoor unit.

● If the mode automatically selected by the unit is not satisfactory,

manually change the mode setting (heat, dehumidify, cool or fan).

Press the (START/STOP) button.

Operation starts with a beep.

Press the button again to stop operation.

1

START

STOP

VARIOUS FUNCTIONS

■ Auto Restart Control

● If there is a power failure, operation will be automatically restarted when the power is resumed with previous operation mode.

(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.

Note: 1. If you do not require Auto Restart Control, please consult your sales agent or OFF by remote control.

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

FAN SPEED (AUTO)

.....

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

For the heating operation

● The fan speed will automatically change according to the temperature of

discharged air.

● When the difference of room temperature and setting temperature is large,

fan starts to run at HI speed.

● When the room temperature reaches setting temperature, fan speed changes

to LOW automatically.

● When the difference of room temperature and setting temperature is large,

fan starts to run at HI speed.

● After room temperature reaches the preset temperature, the cooling operation,

which changes the fan speed and room temperature to obtain optimum

conditions for natural healthful cooling will be performed.

For the cooling operation

– 8 –

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).

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 warm

quickly.

But you may feel a chill at the beginning.

(MED) : Fan speed slow.

(LOW) : Fan speed slower.

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.

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

have to press the (START/STOP) button next time.

1

2

3

START

STOP

– 9 –

ENGLISH

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.

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 (START/STOP) button. Dehumidifying operation

starts with a beep. Press the button again to stop operation.

2

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

only have to press the

(START/STOP) button next time.

START

STOP

Press the FUNCTION selector so that the display indicates

(DEHUMIDIFY).

The FAN SPEED is set at LOW automatically.

The FAN SPEED button does not work.

1

– 10 –

COOLING OPERATION

Use the device for cooling when the outdoor temperature is

–

10 ~ 43°C.

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

Press the FUNCTION selector so that the display indicates

(COOL).

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 temperature setting and the actual room temperature may

vary some how 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.

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

only have to press the

(START/STOP) button next time.

1

2

START

STOP

3

– 11 –

ENGLISH

TIMER RESERVATION

■ ON Timer and OFF Timer are available.

1

OFF TIME setting

● Select the OFF TIME by pressing the (OFF)

Button.

● Setting time will change according to the below

sequence when you press the button.

● The value change quicker if you keep pressing the

button.

OFF Timer Reservation

■ Operation stop at setting time

2

Press the (Reserve) button

● OFF TIMER reserved with a signal received sound

“beep”.

● The (OFF) Mark starts lighting instead of blinking.

0.5 1.0 1.5 9.5 10 11 12

0.5 hour interval 1 hour interval

1

ON TIME setting

● Select the ON TIMER by pressing the (ON)

Button.

● At the beginning of setting, time 6 hours was set.

● Setting time will change according to the below

sequence.

● The value change quicker if you keep pressing the

button.

ON Timer Reservation

0.5 1.0 1.5 9.5 10 11 12

0.5 hour interval 1 hour interval

1

Press the (Cancel) button

● As the time settings are stored in remote controller

memory, you only have to press the (Reserve)

button in order to use the same setting next time.

CANCELLATION of Timer Reservation

2

Press the (Reserve) button

● ON TIMER reserved with a signal received sound

“beep”.

● The (ON) Mark starts lighting instead of blinking.

■ Operation will start for setting

temperature at setting time (The starting

time may different depend on the room

temperature and set temperature).

Hr.

– 12 –

HOW TO SET THE SLEEP TIMER

Mode

Sleep timer

Indication

1 hour 2 hours 3 hours 7 hours

Sleep timer off

44 44

1

Sleep Timer: The device will continue working for the designated

number of hours and then turn off.

Press the SLEEP button, indoor unit will produce a beep.

The timer information will be displayed on the remote controller.

How to Cancel Reservation

Press the (CANCEL) button. The (RESERVED) sign goes out with a beep.

Example: Setting 3 hours

sleep time.

Hr.

– 13 –

ENGLISH

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.

● If you set the sleep timer after the off or on-timer has been

set, the sleep timer becomes effective instead of the off or

on-timer set earlier.

● You can not set other timer during sleep timer operation.

● After sleep timer time is up and when press sleep button

again, the sleep timer will be set as last setting.

● Sleep timer effective only once.

NOTE

– 14 –

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.

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.

CAUTION

!

– 15 –

ENGLISH

Suitable Room Temperature Install curtain or blinds

Ventilation Effective Usage Of Timer

Do Not Forget To Clean The Air Filter

Please Adjust Suitable Temperature

For Baby And Children

Warning

Freezing temperature

is bad for health and a

waste of electric power.

!

It is possible to

reduce heat

entering the

room through

windows.

At night, please use the “OFF or ON timer

operation mode”, together with your wake up

time in the morning. This will enable you to

enjoy a comfortable room temperature. Please

use the timer effectively.

Dusty air filter will reduce the air volume and

the cooling efficiency. To prevent from wasting

electric energy, please clean the filter every 2

weeks.

Please pay attention to the room temperature

and air flow direction when operating the unit

for baby, children and old folks who have

difficulty in movement.

Caution

Do not close the room for a long period of

time. Occasionally open the door and windows

to allow the

entrance of

fresh air.

!

THE IDEAL WAYS OF OPERATION

– 16 –

FOR USER’S INFORMATION

The Air Conditioner And The Heat Source In The Room

Not Operating For A Long Time

When Lightning Occurs

Caution

If the amount of heat in the room is above the cooling

capability of the air conditioner (for example: more

people entering the room, using heating equipments

and etc.), the preset room temperature cannot be

achieved.

!

When the indoor unit is not to be used for a long

period of time, please switch off the power from the

mains. If the power from mains remains “ON”, the

indoor unit still consumes about 8W in the operation

control circuit even if it is in “OFF” mode.

Warning

To protect the whole unit during lightning, please

stop operating the unit and remove the plug from the

socket.

!

OFF

Interference From Electrical Products

Caution

To avoid noise interference, please place the indoor

unit and its remote controller at least 1m away from

electrical products.

!

Inverter-type

fluorescent

lamp.

To prevent

interference,

place at least

1m away.

TV

– 17 –

ENGLISH

MAINTENANCE

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

!

WARNING

1

Pull the filter toward the center until it detached from the holders.

Then take it out from holders

(refer to diagram).

PROCEDURE

● 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.

!

CAUTION

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.

Holders

Indoor unit

Pull

2

Remove dust from the filter using a vacuum cleaner. If there is

too much dust, use neutral detergent. After using neutral

detergent, wash with clean water and dry in the shade.

3

Install the filters.

Gently insert back the filter into the holders.

!

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.

● Do not operate the air conditioner with the filter removed. Dust may enter the air conditioner and

cause trouble.

– 18 –

1

2

3

REGULAR INSPECTION

PLEASE CHECK THE FOLLOWING POINTS BY QUALIFIED SERVICE PERSONAL EITHER

EVERY HALF YEARLY OR YEARLY. CONTACT YOUR SALES AGENT OR SERVICE SHOP.

Is the earth line disconnected or broken?

Is the mounting frame seriously affected by rust and is the

outdoor unit tilted or unstable?

Is the plug of power line firmly plugged into the socket?

(Please ensure no loose contact between them).

Confirm

AFTER SALE SERVICE AND WARRANTY

WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS.

When it does not operate

● Is the fuse all right?

● Is the voltage extremely high or low?

● Is the circuit breaker “ON”?

● Was the air filter cleaned?

● Does sunlight fall directly on the outdoor unit?

● Is the air flow of the outdoor unit obstructed?

● Are the doors or windows opened, or is there any source of

heat in the room?

● Is the set temperature suitable?

CONDITION CHECK THE FOLLOWING POINTS

Notes

● In quiet or stop operation, the following phenomena may occassionally occur, but

they are not abnormal for the operation.

(1) Slight flowing noise of refrigerant in the refrigerating cycle.

(2) Slight rubbing noise from the fan casing which is cooled and then gradually

warmed as operation stops.

● The odor will possibly be emitted from the room air conditioner because the

various odor, emitted by smoke, foodstuffs, cosmetics and so on, sticks to it. So

the air filter and the evaporator regularly must be cleaned to reduce the odor.

●

Please contact your sales agent immediately if the air conditioner still fails to operate normally after the above

inspections. Inform your agent of the model of your unit, production number, date of installation. Please also

inform him regarding the fault.

●

Power supply shall be connected at the rated voltage, otherwise the unit will be broken or could not reach the

specified capacity.

When it does not cool well

When it does not hot well

– 19 –

ENGLISH

MEMO

.....................................................................................................................................................................................

Please note:

On switching on the equipment, particularly when the room light is dimmed, a slight brightness fluctuation

may occur. This is of no consequence.

The conditions of the local Power Supply Companies are to be observed.

Minimum Maximum Minimum Maximum

Indoor

Dry bulb °C21 32 20 27

Wet bulb °C15 23 12 19

Outdoor

Dry bulb °C21 43 2 21

Wet bulb °C15 26 1 15

Note

● Avoid to use the room air conditioner for cooling operation when the outside temperature is below

21°C (70°F).

The recommended maximum and minimum operating temperatures of the hot and cold sides

should be as below:

Cooling Heating

– 20 –

MEMO

.....................................................................................................................................................................................

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