Hitachi RAS-R10C-1 User manual

– 23 –

– 2 –
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Please read the “Safety Precaution” carefully before operating the unit to ensure correct usage of the unit.
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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.
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The sign indicate the following meanings.
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Please keep this manual after reading.
!
SAFETY PRECAUTION
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.
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●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.
●Do not put objects like thin rods into the panel of blower and suction side
because the high-speed fan inside may cause danger.
●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.
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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.
●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.
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●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
OUTDOOR UNIT
WIDTH (mm)MODEL
RAS-R10C-1 / R13C-1
RAC-R10C-1
RAC-R13C-1
HEIGHT (mm) DEPTH (mm)
MODEL NAME AND DIMENSIONS
NAMES AND FUNCTIONS OF EACH PART
AIR FILTER
To prevent dust from coming into the indoor unit.
(Refer page 17)
FRONT PANEL (AIR INLET).
INDOOR UNIT INDICATORS
Light indicator showing the operating condition.
(Refer page 5)
HORIZONTAL DEFLECTOR ●VERTICAL
DEFLECTOR (AIR OUTLET)
(Refer page 12)
REMOTE CONTROL
Send out operation signal to the indoor unit. So as to
operate the whole unit.
(Refer page 6)
780
700
750
280
570
570
210
210
280
DRAIN PIPE
Condensed water drain to outside.
CONNECTING CORD
AIR INLET (BACK, LEFT SIDE)
AIR OUTLET
DRAIN PIPE
Condensed water drain to outside.
CONNECTING CORD
AIR INLET (BACK, LEFT SIDE)
AIR OUTLET
RAC-R10C-1
RAC-R13C-1

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– 5 –
INDOOR UNIT INDICATORS
TEMPORARY SWITCH
Use this switch to start and stop when the remote controller does not work. [Use non-conductor stick
(example toothpick)]
●By pressing the temporary switch, the operation is done in previously set operation 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
SUPER LAMP
This lamp lights during super
operation.
OPERATION LAMP
This lamp lights during operation.
TIMER LAMP
This lamp lights when the timer is
working.
Power switch
TEMPORARY
SWITCH
Press
Temporary Switch
Non-conductor Stick
TEMPORARY
SWITCH

–6 –
NAMES AND FUNCTIONS OF REMOTE CONTROL UNIT
■This controls the operation function and timer setting of the room air conditioner. The range of
control is about 4 meters. If indoor lighting is controlled electronically, the range of control may be
shorter.
Precautions for Use
●Do not put the remote controller in direct
sunlight and high temperature.
●Do not drop it on the floor, and protect
it from water.
●If you press the FUNCTION selector
button during operation, the air
conditioner may stop for about 3 minutes
for protection before you can start it
again. (unless you turn off and on again
the power source)
You can use the remote controller by fixing it on the
wall with the accessory parts.
●Before fixing it,
make sure the
unit can be
controlled by the
remote control
unit at the fixing
position.
REMOTE
CONTROLLER
HOLDER
SILENT
SILENT
SUPER
SUPER Button
TIMER RESERVE /
CANCEL Button
SILENT Button

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–7 –
AUTOMATIC OPERATION
■The device will automatically determine the operation mode either COOL or DEHUMIDIFY, depending
on the initial room temperature. The selected operation mode will not change when the room
temperature varies.
1
Press the (START/STOP) button
●Operation start with a “beep”.
Press the (START/STOP) button
●The fan speed selector does not work at this operation.
STOP
Press the (ROOM TEMPERATURE) button
●Temperature setting change by 1°C for each 1 time press.
Up
Down
●You can raise or lower the temperature setting by a maximum of
3°C.
●The display does not indicate the preset temperature in the Automatic
mode. Device will receive the setting by a “beep”.
■You can slightly adjust the room temperature.
1
■CONDITION OF AUTOMATIC OPERATION
●The selected mode of operation will not change during the operation even though the room
temperature change.
Over 27°C COOL
16 ~ 27°C
FUNCTION
27°C
Slightly lower than the
room temperature LOW
FAN SPEED
●When the difference of room
temperature and setting
temperature is large, fan starts
to run at HI speed,
●After room temperature come
to 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.
DEHUMIDIFY
-
INITIAL ROOM
TEMPERATURE (APPROX.)
TEMPERATURE
SETTING
SILENT
SILENT
SUPER
SILENT
SILENT
SUPER
▲ ▲
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–8 –
SILENT OPERATION ONE TOUCH
■You can choose this mode in everytime when you want to reduce noise from air conditioner operation.
1
Press button
●Operation start with a signal received sound “beep”.
●The device will set to cooling mode and change fan speed down to
the lowest speed automatically.
SILENT
SILENT
SILENT
SUPER
2Temperature changing
Increase temperature when it is too cool.
Decrease temperature when it is too hot.
2
▲▲
SILENT
SILENT
SUPER
This mode cannot change fan speed.
SUGGESTION
Cooling capacity will be decreased 20-25% at silent mode. This mode is suitable to be used after room
temperature comes to setting temperature.
If the room humidity is more than 80% when using silent operation one touch system, water will
condense on the air deflector and drips down occasionally.

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–9 –
SUPER COOLING ONE TOUCH
■Use this mode whenever you want more cooling immediately.
1
Press button
●Operation start with a signal received sound “beep”and sign
blink.
●Initial setting temperature changed to 16°C and fan speed is changed
to maximum speed (Indicated by sign).
●Unit continues to operate in this mode for 1 hr. After that fan speed
changed to auto fan mode. The indicator of light and remote do not
change until unit operation is off or mode is changed.
SILENT
SILENT
SUPER
SILENT
SILENT
SUPER
SILENT
SILENT
SUPER
SUPER
SUPER
■If press “SUPER”button again during super operation, unit will re-
operated in this mode again for 1 Hr.
Room Temperature Setting
Up up when too cool.
DOWN unable to down because this setting temperature is
the lowest (16°C).
2
▲ ▲
3
FAN SPEED SETTING
●Press to change fan speed as the below sequence
HIHI HIGH MED LOW
[[[
[[[
■When operate in this mode, can not use TIMER RESERVATION
mode.
STOP “SUPER MODE”
●Press to stop this mode and change the mode to other.
●Press to stop this mode and also turn off the unit.
4
Fan speed can not operated with “HIHI”when you press button as the situation below. It is not
abnormal. About 3 minutes later fan speed will be changed to “HIHI”automatically itself.
1. If you press button within 3 minutes after stop the operation for “Cooling”of “Dehumidify”.
2. If you press button within 3 minutes after compressor stopped. (When operated in “Cooling”
or “Dehumidify”and the room temperature is almost reached to the setting temperature, compressor
will stop.)
SUPER
SUPER
SUPER

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MANUAL OPERATION
■Please use under below condition when you want to set the function mode, room temperature and
fan speed by manually.
DEHUMIDIFYING
Room Temperature 16°C above
COOLING
Outdoor Temperature 22-42°C
1
OPERATION MODE SELECTION
●Every time you press the button, the mode will change as the below
sequence
(Auto) [(Cool) [(Dehumidify)
4
Press the (START/STOP) button
●Operation start with a signal received sound “beep”.
Press the (START/STOP) button
●As the settings are stored in memory in the remote control unit, you
only have to press the (Start/Stop) button next time.
STOP
2
ROOM TEMPERATURE SETTING
Up
Down
●The cooling operation does not start if the
temperature setting is higher than the current
room temperature.
●If the device uses for cooling when the
humudity is very high (over 80%) at indoor,
some dew may form and drop on the air outlet
grill of cooling unit.
Cooling 25~28°C
Dehumidify 25~26°C
▲ ▲
3
FAN SPEED SETTING
●Every time you press the button, fan speed will change as the below sequence.
●COOLING
CIRCULATION
NOTE
(Auto) : The FAN SPEED is HIGH at first and varies to MED or LOW
automatically when the preset temperature has been reached.
●DEHUMIDIFYING : LOW (FIXED)
: ( )
}:AUTO [HIGH [MED [LOW
:( [[[)
SILENT
SILENT
SUPER
SILENT
SILENT
SUPER
■Recommend Temperature
SILENT
SILENT
SUPER
SILENT
SILENT
SUPER