Hitachi RAS-S10CDT User manual

– 1 –

ENGLISH

SPLIT TYPE AIR CONDITIONER

INDOOR UNIT/OUTDOOR UNIT

MODEL

RAS-S10CDT / RAC-S10CDT

RAS-S13CDT / RAC-S13CDT

OUTDOOR UNIT INDOOR UNIT

RAS-S10CDT

RAS-S13CDT

RAC-S10CDT

RAC-S13CDT

Instruction manual Page 1~22

To obtain the best performance, please read this instruction manual completely.

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RAS-S10CDT-S13CDT (EN1) 1RAS-S10CDT-S13CDT (EN1) 1 1/4/14 10:34 AM1/4/14 10:34 AM

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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.

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.

Make sure to connect earth line.

Indicates the instructions that must be followed.

The sign in the ﬁgure indicates prohibition.

PRECAUTIONS DURING OPERATION

●

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

●

Do not insert ﬁnger(s), 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.

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.

●

Do not install the indoor unit in a machine shop or kitchen where vapor from oil or its

mist ﬂows to the indoor unit. The oil will deposit on the heat exchanger, thereby reducing

the indoor unit performance and may deform and in the worst case, breake the plastic

parts of the indoor unit.

CAUTION

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ENGLISH

PRECAUTIONS DURING OPERATION

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

accident.

●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 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 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 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.

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INDOOR UNIT

NAMES AND FUNCTIONS OF EACH PART

Pre-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, Left side)

Air outlet

WIDTH (mm)

790

700

750

MODEL

RAS-S10CDT/RAS-S13CDT

RAC-S10CDT

RAC-S13CDT

HEIGHT (mm)

300

468

570

DEPTH (mm)

230

258

280

MODEL NAME AND DIMENSIONS

Drain pipe

Condensed water drain to outside.

Connecting cord and insulation pipe for piping

Air inlet (Back, Left side)

Air outlet

RAC-S10CDT

RAC-S13CDT

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ENGLISH

INDOOR UNIT INDICATORS

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.

●When the operation is done using the temporary switch after the power source is turned off and turn

on again, the operation is done in automatic mode.

OPERATION INDICATOR

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 “ (AUTO SWING)” button is

pressed while the device is on “STANDBY MODE”.

OPERATION LAMP

This lamp lights during operation.

TIMER LAMP

This lamp lights when the timer is working.

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NAMES AND FUNCTIONS OF REMOTE CONTROL UNIT

REMOTE CONTROLLER

This controls the operation of the indoor unit. Signal range to reach indoor unit is about 7 meters. If

inverter lamp is used, 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 dehumidify 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 MODE button

Use this button to set the sleep mode.

●FAN SPEED selector

This determines the fan speed. Each 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.

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ENGLISH

Use the device for cooling when the outdoor temperature is 21 ~ 43°C.

If indoors 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) : Hi fan speed mode.

(MED) : Medium fan speed mode.

(LOW) : Low fan speed mode.

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 of the remote controller, you

only have to press the (COOLING) button to repeat the same

settings next time.

STOP

COOLING OPERATION

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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

and 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. You might feel a bit colder in dehumidifying operation.

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

have to press the 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. Dehumidifying operation starts with a

beep.

The FAN SPEED is set at LOW automatically.

The FAN SPEED button does not work.

Press the button to stop operation.

STOP

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– 9 –

ENGLISH

CIRCULATION OPERATION

■Circulation Function

●During circulation operation, compressor does not run 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.

Press the button so that the display indicates

(CIRCULATE).

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 button to stop operation.

STOP

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HOW TO SET THE SLEEP MODE

Press the 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.

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

setting temperature and the

FAN SPEED will be set to LOW

setting 1 hour after the setting

of the sleep timer.

SLEEP

RAS-S10CDT-S13CDT (EN1) 10RAS-S10CDT-S13CDT (EN1) 10 1/4/14 10:34 AM1/4/14 10:34 AM

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