Hitachi XJ Series User manual

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<H1221: A >
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OPERATION
MANUAL
Page. 2~11
Seite.12~21
Page. 22~31
Pagina. 32~41
Página. 42~51
Pág. 52~61
Pagina. 62~71
Sidan. 72~81
Sivut. 82~91
RAK-XJ18QHAE
RAK-XJ25RHAE
RAK-XJ35RHAE
RAK-XJ50RHAE
RC-BGH1FA0G
800

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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.
• The signs indicate the following meanings. (The following are examples of signs.)
Make sure to connect earth line. This sign in the figure indicates prohibition.
Indicates the instructions that must be followed.
SAFETY PRECAUTION
PRECAUTIONS DURING INSTALLATION
WARNING
• Do not reconstruct the unit.
Water leakage, fault, short circuit or fire may occur if you reconstruct the unit by yourself.
PROHIBITION
• 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 or fire.
CONNECT EARTH LINE
• Be sure to use the specified piping set for R32. Otherwise, this may result in broken copper pipes or faults.
• Do not use refrigerant other than the one indicated on the outdoor unit (R32) when installing, moving or repairing.
Using other refrigerants may cause trouble or damage to the unit, and personal injury.
CAUTION
• A circuit breaker should be installed depending on the mounting site of the unit. Without
a circuit breaker, the danger of electric shock exists.
PROHIBITION
• 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.
• Please ensure smooth flow of water when installing the drain hose.
• Make sure that a single phase 220V-240V power source is used. The use of other power
sources may cause electrical components to overheat and lead to fire.
PROHIBITION
PRECAUTIONS DURING SHIFTING OR MAINTENANCE
WARNING
• Should abnormal situation arise (livke burning smell), please stop operating the unit
and turn off the circuit breaker. Contact your agent. Fault, short circuit or “OFF”fire may
occur if you continue to operate the unit under abnormal situation. “OFF”
• 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.
PRECAUTIONS DURING OPERATION
WARNING
• Avoid an extended period of direct airflow for your health.
PROHIBITION
WARNING
This symbol shows that this equipment uses a flammable refrigerant.
If the refrigerant is leaked, together with an external ignition source, there is a possibility
of ignition.
CAUTION This symbol shows that the Operation Instructions should be read carefully.
CAUTION This symbol shows that a service personnel should be handling this equipment with
reference to the Installation Manual.
CAUTION This symbol shows that there is information included in the Operation Manual and/or
Installation Manual.
• Please keep this manual after reading.

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PRECAUTIONS DURING OPERATION
WARNING
PROHIBITION
• Do not put objects like thin rods into the panel of blower and suction side because the
high-speed fan inside may cause danger.
• Do not use any conductor as fuse wire, this could cause fatal accident.
PROHIBITION
“OFF”
• During thunder storm, disconnect the plug top and turn off the circuit breaker.
• 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.
PROHIBITION
CAUTION
• This room air conditioner is only for residential usage.
Do not use for preservation of foods, animals, plants, precision machines, art, medicine or such.
• The product shall be operated under the manufacturer specif ication and not for any
other intended use.
PROHIBITION
• Do not attempt to operate the unit with wet hands, this could cause fatal accident.
• When operating the unit with burning equipment, regularly ventilate the room to avoid
oxygen insufficiency.
PROHIBITION
• 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, firm and without defect. If
not, the outdoor unit may collapse and cause danger.
PROHIBITION
PROHIBITION
• Do not wash the unit with water or place a water container such as a vase on the indoor unit.
Electrical leakage could be present and cause electric shock.
• Do not place plants or animals directly under the airflow as it is bad for the plants or
animals.
PROHIBITION
“OFF”
• Be sure to stop the operation by using the remote controller 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 operated for a long period.
“OFF”
PROHIBITION
• Do not climb on the outdoor unit or put objects on it.
• 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.
PROHIBITION
PROHIBITION
• 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 equipment and etc.), the preset
room temperature cannot be achieved.
• 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
• Do not spray pesticides, flammable sprays, deodorants, antibacterial agents, etc. on indoor
units. because it may cause fire, deformation, refrigerant leakage, or water leakage.
• Do not touch the air outlet, bottom surface and aluminium fin of the outdoor unit. You
may get hurt.
DON’ T TOUCH
DON’
T WET
STRICTL
Y OBSERVE
PRECAUTIONS

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Names and Functions of 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.
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
3~4 seconds to respond to commands and operate.
• When remote controller is not in use for about 3 minutes during OFF condition, indicated by on the
display, the LCD will turn off.
• During clock setting, the LCD will turn off about 3 minutes later if the remote controller is not in use.
• When pressing any button, the LCD will turn on.
• The LCD will not turn off during TIMER setting.
Off Mode Sign
Room Temperature Sensor
A temperature sensor inside
the remote controller senses
ambient temperature around
the remote controller.
Powerful Button
Silent Button
Fan Speed Button
Select the fan speed.
Invalid Operation Sign
Signal Transmission(transmitting)/Receiving
Shown at invalid setting or
operation
Transmission Sign
The transmission sign blinks
when a signal has been sent.
On/Off Button
Press this button to start
operation.
Press it again to stop
operation.
Temperature Button
Room temperature setting.
Value will change quicker
when keep pressing.
Mode Selector Button
Use this button to select the
operation mode. Every time
you press this button the
mode will change from (Heat)
(Auto) (Cool)
(Dry) (Fan) cyclically.
SleepSense Button
Smart Eco Button
Use this button to set the
Eco mode.
Info Button
FrostWash Button
Up/Down Button
ehtfoelgnaehtlortnoC
horizontal air deflector.
AQtiv-lon Button
Le/Right Button
Control the angle of the
Vertical air deflector.
Filter Sign Reset Button
My Mode Button
Wide Reach Button
Control the angle of the
Vertical air deflector.
LeaveHome Button
Weekly Timer setting
Buttons
Press this buttons to set
weekly timer.
Reset Button
On / Off Timer setting
Buttons
This buttons use to set On/
Off timer.
OK
OK
PRECAUTIONS DURING OPERATION
CAUTION
DON’ T TOUCH
•Do not touch the refrigerant pipe and connecting valve. Burns may result.
• This appliance is not to be used by children or persons with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given supervision or
instruction. Children must be supervised not to play with the appliance.

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Backlight function
• Backlight is to see the LCD readings in the dark.
• On Pressing any key, the LCD panel lights up for
a period of approx. 10 seconds. After approx. 10
seconds the light automatically switches off.
• The function is independent of all other
functions of the air conditioner.
• The backlight color is white.
Precautions for Use
• Do not put the remote controller under direct
sunlight and high temperature.
• Do not drop it on the floor, and protect it from
water.
• If you press the FUNCTION button during
operation, the air conditioner may stop for about
3 minutes for protection before you can start it
again.
Operate Air Conditioner
with Smartphone
Built-in airCloud Go module
airCloud Go is a cloud-based solution for remotely
controlling your Hitachi air conditioning system via
smart phone. You can operate the air conditioner
from outside the home with your smartphone and
check the operating status.
airCloud Go App dedicated server
Send the operation from the smartphone to the air conditioner.
In addition, we send status from air conditioner to customer's smartphone.
What you need to prepare to operate the air conditioner with your smartpone
Communication equipment Your smartphone
Wireless LAN router airCloud Go App
Use the airCloud Go App to remotely control
the air conditioner.
Receive updates from the air conditioner.
What You Should Confirm
When Using the Service
Internet environment at home
• In order to use the service, FTTH (optical fiber)
ADSL / CATV (cable TV) and other Internet services,
a broadband line capable of communication is
required. Not available on dial-up lines.
• For details on Internet connection, contact your
provider or carrier. Please check your contract.
• Internet communication charges are the
responsibility of the customer.
Smartphone
• iOS (iPhone, etc.) 13.0 / Android 9.0 or later (as of
October 2023).
• To confirm the OS version, check on your
smart phone, or contact your smart phone
manufacturer.
• Make sure that you can connect to the router with
wireless LAN.
• Tablets are not guaranteed to work.
Wireless LAN router (Hereinaer router)
• Please use a router that supports the 2.4GHz
band.
• For security, be sure to use a router that can set
the encryption method WPA2 or WPA (either
TKIP or AES). We recommend the WPA2 (AES)
encryption method. For the setting procedure,
refer to the instruction manual of the router.
• Routers that support only WEP cannot be used.
• Mobile routers are not guaranteed to work.
Initial Settings
Please install the airCloud Go App
on your smartphone
(1) Search for the airCloud Go App
• For Android models: Open Google Play.
Android is a trademark and registered
trademark of Google LLC.
• For iOS models (iPhone): Open the App Store.
iPhone is a trademark and registered
trademark of Apple Inc.
(2) Please install according to the screen
• In order to use the dedicated App, you need to
read and agree to the Terms of Service.
• The dedicated application is free of charge,
but to download the application, additional