Hitachi RAS-DX18CF, RAC-DX18CF, RAS-DX10CET, RAC-DX10CET, RAS-SX10CET Instruction Manual
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SPLIT TYPE AIR CONDITIONER
INDOOR UNIT/OUTDOOR UNIT
MODEL
RAS-DX18CF / RAC-DX18CF
OUTDOOR UNIT INDOOR UNIT
ENGLISH
RAS-DX18CF
RAC-DX18CF
Instruction manual Page 1~24
To obtain the best performance, please read this instruction manual completely.
Arahan pengendalian Muka surat 25~48
Untuk mendapatkan prestasi yang tinggi, sila baca arahan ini sepenuhnya.
– 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 “ 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.
!
!
Make sure to connect earth line.
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 fi re may occur if you reconstruct
the unit by yourself.
● Please ask your sales agent or qualifi ed technician for the installation
of your unit. Water leakage, short circuit or fi re may occur if you install
!
WARNING
!
CAUTION
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 specifi ed 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 fl ammable gas.
The outdoor unit may catch fi re if fl ammable gas leaks around it.
● Please ensure smooth fl ow of water when installing the drain hose.
The sign in the fi gure indicates prohibition.
W
A
R
N
N
G
!
W
A
R
N
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G
!
I
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 fi re 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 fi re.
● Please contact your agent if you need to remove and reinstall the unit. Electric
I
shock or fi re 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.
PRECAUTIONS DURING OPERATION
● Avoid an extended period of direct air fl ow for your health.
● Do not insert a fi nger, 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.
● Do not use any conductor as fuse wire, this could cause fatal accident.
● During thunder storm, disconnect and turn off the circuit breaker.
● This unit has UV LED which emits ultra violet light.
AVOID DIRECT EYE EXPOSURE.
– 2 –
!
PRECAUTIONS DURING OPERATION
● The product shall be operated under the manufacturer specifi cation and
not for any other intended use.
● 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.
● Please ensure that outdoor mounting frame is always stable, fi rm 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.
● Do not use any aerosol or hair sprays near the indoor unit. This chemical
can adhere on heat exchanger fi n and blocked the evaporation water
fl ow to drain pan. The water will drop on tangential fan and cause water
splashing out from indoor unit.
!
● Please switch off the unit and turn off the circuit breaker during cleaning,
C
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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.
● Do not climb on the outdoor unit or put objects on it.
ENGLISH
● Do not place plants directly under the air fl ow as it is bad for the plants.
● When operating the unit with the door and windows opened, (the room humidity is always above
80%) and with the air defl ector facing down or moving automatically for a long period of time,
water will condense on the air defl ector 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 can be used by children aged from 8 years and above and persons with reduced
physical, sensory or mental capabilities or lack of experience and knowledge if they have been
given supervision or instruction concerning use of the appliance in a safe way and understand
the hazards involved.
Children shall not play with the appliance. Cleaning and user maintenance shall not be made
by children without supervision.
● 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.
– 3 –
NAMES AND FUNCTIONS OF EACH PART
INDOOR UNIT
Pre-fi lter
To prevent dust from coming into the indoor unit.
(Refer page 19)
Front panel
Indoor unit indicators
Light indicator showing the operating condition.
(Refer page 5)
Horizontal defl ector
(Air Outlet)
(Refer page 14)
Remote controller
Send out operation signal to the indoor unit. So as
to operate the whole unit.
(Refer page 6)
●
Vertical defl ector
OUTDOOR UNIT
MODEL NAME AND DIMENSIONS
MODEL
Drain pipe
Condensed water drain to outside.
Connecting cord and insulation pipe for piping
Air inlet (Back, Left side)
Air outlet
WIDTH (mm)
HEIGHT (mm)
DEPTH (mm)
RAS-DX18CF
RAC-DX18CF
900
750
– 4 –
300
570
230
280
INDOOR UNIT INDICATORS
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 fi lter. The lamp goes
out when the “
pressed while the device is on “STANDBY MODE”.
UV FRESH
UV Fresh lamp can be ON or OFF by press the
operation button. Please refer to page 10 for
detail operation.
AIR SLEEP
This lamp lights when the Air Sleep function is
in operation. Please refer to page 9 for detail
operation.
(AUTO SWING)” button is
ENGLISH
OPERATION INDICATOR
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 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.
– 5 –
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 fi xed on a wall using the fi xture provided. Before fi xing 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.
● AIR SLEEP button
Use this button to set a comfortable air sleep temperature 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
● POWERFUL MODE buttonA
Use this button to deliver faster and more comfortable air-conditioning
or start operation.TO
● STOP button
Press this button to stop operation only.
● ONE-TOUCH SILENT button
Use this button to set silent condition.
● 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) to (SILENT).
● AUTO SWING button
Controls the angle of the horizontal air defl ector.
● 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
fl
oor, 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.
– 6 –
COOLING OPERATION
Use the device for cooling when the outdoor temperature is 21~ 43°C.
If indoor humidity is very high (over 80%), some dew may form on the air outlet grille of the indoor unit.
Press the (COOLING) button so that the display indicates
(COOL).
1
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.
ENGLISH
2
3
Set the desired FAN SPEED with the
button (the display indicates the setting).
(AUTO) : The FAN SPEED is HI at fi rst 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.
(SILENT) : Silent 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.
(FAN SPEED)
STOP
■ As the settings are stored in memory in the remote controller, you
Press the button to stop operation.
only have to press the
settings next time.
– 7 –
(COOLING) button to repeat the same
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.
Press the (DEHUMIDIFY) button.
Dehumidifying operation starts with a beep.
1
2
The FAN SPEED is set at SILENT or LOW automatically.
The FAN SPEED button can be used to change between
SILENT and LOW only.
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.
STOP
■ As the settings are stored in memory in the remote controller, you
Press the button to stop operation.
only have to press the
(DEHUMIDIFY) button next time.
■ 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. You might feel a bit colder in dehumidifying operation.
– 8 –
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