HITACHI RAS-35FH6 User Manual
SPLIT TYPE AIR CONDITIONER
INDOOR UNIT/OUTDOOR UNIT
MODEL
RAS-18FH6/RAC-18YH6
RAS-25FH6/RAC-25YH6
RAS-35FH6/RAC-35YH6
ENGLISH
OUTDOOR UNIT
RAC-18YH6
RAC-25YH6
RAC-35YH6
Instruction manual Page 1~20
To obtain the best performance and ensure years of
trouble free use, please read this instruction manual
completely.
INDOOR UNIT
RAS-18FH6
RAS-25FH6
RAS-35FH6
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.
Bedlenungsanleitung Seite 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 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.
√‰ËÁ›Â˜ ¯Ú‹Û˘ ™ÂÏ›‰· 121~140
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БИ· ЩЛУ М·ОЪФЪfiıВЫМЛ ¯Ъ‹ЫЛ ЩФ˘ ¯ˆЪ›˜
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Ф‰ЛБ›В˜ ¯Ъ‹ЫЛ˜.
– 1 –
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 “
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.)
This sign in the figure indicates prohibition. Indicates the instructions that must be followed.
• Please keep this manual after reading.
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.
WARNING
CAUTION
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.
• 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. If any failure
is found in the drain path, water drops from the indoor and outdoor units, causing
wet household effects.
• Make sure that a single phase 230V power source is used.
The use of other power sources may cause electrical components to overheat
and lead to fire.
Warning” and “ Caution”. The “Warning” section contains
PROHIBITION
CONNECT EARTH LINE
PROHIBITION
PROHIBITION
WARNING
PRECAUTIONS DURING SHIFTING OR MAINTENANCE
• Should abnormal situation arise (like burning smell), please stop operating the
unit and remove plug from the socket or 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.
• Avoid an extended period of direct air flow for your health.
• Do not connect the power calbe with an extension cable or do not plug too many
leads of the other electric appliance into the socket where this cable is plugged.
In addition, wire the cable with some allowances to prevent the cable from stretching.
Not doing so will cause an electrical shock, heat generation or fire.
• Do not bundle the power cable, pull it, put something on it, heat it, process it, or
put it between things. Breakage of the power cable may result.
Use of a damaged cable may cause an electrical shock or a fire.
• Do not put objects like thin rods into the panel of blower and suction side
PROHIBITION
because the high-speed fan inside may cause danger.
“OFF”
PROHIBITION
PROHIBITION
PROHIBITION
– 2 –
WARNING
PRECAUTIONS DURING OPERATION
• Do not use any conductor as fuse wire, this could cause fatal accident.
“OFF”
• 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.
• The product shall be operated under the manufacturer specification and not for
any other intended use.
DON’T WET
• When operating the unit with burning equipments, regularly ventilate
the room to avoid oxygen insufficiency.
PROHIBITION
• During thunder storm, disconnect the plug top or turn off the circuit breaker.
• Do not attempt to operate the unit with wet hands, this could cause fatal accident.
STRICTLY OBSERVE
PRECAUTIONS
• 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.
PROHIBITION
ENGLISH
PROHIBITION
PROHIBITION
CAUTION
• 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.
PROHIBITION
Electrical leakage could be present and cause electric shock.
• Do not place plants or animals directly under the air flow as it is bad for the plants or
animals.
• Do not climb on the outdoor unit or put objects on it.
PROHIBITION
• 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
PROHIBITION
etc.), the preset room temperature cannot be achieved.
• This appliance especially 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.
PROHIBITION
PROHIBITION
PROHIBITION
PROHIBITION
• Do not touch the air outlet, bottom surface and aluminum fin of the outdoor
unit.
DON’T TOUCH
You may get hurt.
• Do not touch the refrigerant pipe and connecting valve.
Burns may result.
DON’T TOUCH
• 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 this appliance safely.
• Young children should be supervised to ensure that they do not play with the appliance.
– 3 –
NAMES AND FUNCTIONS OF EACH PART
INDOOR UNIT
Air filter
To prevent dust from coming into the indoor unit.
(Refer page 16)
Front panel
Indoor unit indicators
Light indicator showing the operating condition.
(Refer page 5)
Horizontal deflector Vertical deflector
(Air Outlet)
(Refer page 15)
Remote controller
Send out operation signal to the indoor unit. So as
to operate the whole unit.
(Refer page 6)
OUTDOOR UNIT
RAC-18YH6
RAC-25YH6
RAC-35YH6
Air outlet
When “heating” operation is
performed, cool air blows and
when “cooling” or “dehumidifying”
operation is performed, warm air
blows.
Drain port
(Bottom)
(Lower section of the side)
Air outlet
When “heating” operation is
performed, cool air blows and
when “cooling” or “dehumidifying”
operation is performed, warm air
blows.
Drain port
(Bottom)
(Lower section of the side)
Earth terminal
Earth terminal
MODEL NAME AND DIMENSIONS
Drain hose
Drains the dehumidified water from the indoor unit to the
outdoor during “cooling” or “dehumidifying” operation.
Piping and Wiring
Air inlets (Rear and left sides)
Drain hose
Drains the dehumidified water from the indoor unit to the
outdoor during “cooling” or “dehumidifying” operation.
Piping and Wiring
Air inlets (Rear and left sides)
About the outdoor unit:
• When “Stop” is selected during operation
of the indoor unit, the fan of the outdoor
unit continues turning for 10 to 60
seconds to cool the electric parts down.
• In heating operation, condensate or
water due to defrosting will flow.
Do not cover the drain port of the outdoor
unit because such water may freeze in
the chilly area.
• When the outdoor unit is hung on the
ceiling, install the bush and drain pipe
on the drain port and drain water.
MODEL WIDTH (mm) HEIGHT (mm) DEPTH (mm)
RAS-18FH6, RAS-25FH6, RAS-35FH6 780 280 220
RAC-18YH6, RAC-25YH6 700 505 258
RAC-35YH6 750 548 288
– 4 –
NAMES AND FUNCTIONS OF EACH PART
INDOOR UNIT INDICATIONS
FILTER LAMP (Green)
When the device is operated for a total of about 200
hours, the FILTER lamp lights indicates that it is time
POWER SWITCH
to clean the filter.The lamp goes out when the
“
operation is stopped.
OPERATION LAMP (Yellow)
This lamp lights during operation.
The OPERATION LAMP flashes in the following
cases during heating.
(1) During preheating
(2) During defrosting
ENGLISH
(AUTO SWING)” button is pressed while the
For about 2-3 minutes after starting up.
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.
TIMER LAMP (Orange)
This lamp lights when the timer is working.
TEMPORARY SWITCH
●
Use this switch to start and stop when the remote controller does not work.
●
This temporary operation will be at the most recent setting made. (The unit
will immediately go into automatic operation once power is switched on.)
CAUTION
Turn off the circuit breaker or pull out
the power plug if the unit is not be
operated for a long period.
✩ If the power stays on and the unit is not operated, power is slightly consumed in the control circuit.
The power is saved by turning off the power switch (or the circuit breaker when the power is supplied
from the outdoor unit).
Attaching the air cleansing and deodorizing filters (Accessories) to the filter frame.
• Attach the air cleansing and deodorizing filters to the frame by
gently compress its both sides and release after insertion into
filter frame.
• The cooling capacity is slightly weakened and the cooling speed
becomes slower when the air cleansing and deodorizing filters
are used.
• Air cleansing and deodorizing filters are washable and reusable up to 20 times by using vacuum
cleaner or water rinse under running tap water. When you want to renew it, please ask your sales
agent. Optional air cleansing and deodorizing filters(SPX-CFH11).
Frame
– 5 –
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, in some cases, the control signal may not be received.
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.
• 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.
● Signal emitting window/transmission sign
Point this window toward the indoor unit when controlling it.
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.
● AUTO SWING button
Controls the angle of the horizontal air deflector.
● 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.)
● 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 and date.
● RESET button
Press this button after the batteries are replaced or when some irregular
operation is found.
● 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
● AUTO SWING 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.
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.
• If you press the FUNCTION selector button during operation, the device
may stop for about 3 minutes for protection.
– 6 –
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