Hitachi air Home 600 RAK-VH18PHASV User manual

Instruction manual Page 1~26
To obtain the best performance, please read this instruction manual completely.
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OPERATION
MANUAL
(RC-AGS1EA0E)
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– 2 –
PRECAUTIONS DURING INSTALLATION
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 prop-
erly. Please observe all instructions strictly to ensure safety.
●The sign indicate the following meanings.
●Please keep this manual after reading.
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.
●
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.
●
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, break the plastic parts of the indoor unit.
CAUTION
The sign in the figure indicates prohibition.
Make sure to connect earth line.
Indicates the instructions that must be followed.
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.
This symbol shows that the Operation Instructions should be read carefully.
This symbol shows that a service personnel should be handling this equipment with reference to the Installation Manual.
This symbol shows that there is information included in the Operation Manual and/or Installation Manual
WARNING
CAUTION
CAUTION
CAUTION
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.
●
If the air conditioner is not cool, one possible cause could be due to refrigerant leakage, so consult your dealer.
The refrigerant gas used in the air conditioner is harmless. But if refrigerant gas leaks into the room, harmful products are generated when
in contact with fire from appliances such as a stove heater.
When there is refrigerant gas accumulation in the room, immediately stop the air conditioner. Open the windows for ventilation and contact
your agent.
W
A
R
N
I
N
G
!
!
!
PRECAUTIONS DURING OPERATION
W
A
R
N
I
N
G●
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.
!
● Avoid an extended period of direct air flow for your health.
● Do not insert a finger, 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.

– 3 –
ENGLISH
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 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.
●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.
● 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 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.
C
A
U
T
I
O
N
●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 place plants directly under the air flow as it is bad for the plants.
!

– 4 –
RAK-VH18PHASV
RAK-VH24PHASV 1050 294 255
Operation Range
Operation mode
Outdoor temperature
Cooling/Dehumidifying
-10 to 46°C
Heating
-15 to 21°C
Indoor Unit
Names and Functions of Each Part
Pre-filter
To prevent dust from coming into the indoor unit.
(Refer page 13)
Front panel
(Refer page 14)
Ioniser
Indoor unit indicators
Light indicator showing the operating condition.
(Refer page 5)
Horizontal deflector, Vertical deflector
(Air Outlet)
ECO Sensor
Remote controller
Send out operation signal to the indoor unit. So
as to operate the whole unit.
MODEL
Model Name and Dimensions
WIDTH (mm) HEIGHT (mm) DEPTH (mm)

– 5 –
ENGLISH
Indoor Unit Indications
Names and Functions of Each Part
Operation Lamp (Yellow)
This lamp lights during operation.
The Operation Lamp flashes in the
following cases during heating.
(1) During preheating
For about 2-3 minutes after
starting up.
(2) During defrosting
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.
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.
✩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 purifying filters
(Accessories) to the filter frame.
●Attach the air purifying filters to the C-case
to the designated position.
●The cooling capacity is slightly weakened
and the cooling speed becomes slower
when the air purifying filters are used.
●The air purifying filters are not washable. It
is recommended to use vacuum to clean.
It can be used for 1 year. When you want
to renew it, please ask your sales agent.
Clean Function Lamp (Green)
This lamp uses for FrostWash,
Mold Guard, Filter Sign.
Timer Lamp (Orange)
This lamp lights when the timer
is working.
Wi-Fi Lamp (Blue)
!
CAUTION
Turn off the circuit breaker if the
unit is not be operated for a long
period.
Air purifying filter
C-case
Backside of Air Filter
Claw
Hook
Hook
Filter Frame
Air Filter

– 6 –
Names and Functions of Remote
Controller
Operate Air Conditioner with
Smartphone
What You Should Confirm When
Using the Service
This controls the operation function and timer setting of the
room air conditioner. The range of control is about 7 meters. lf
indoor lighting is controlled electronically, the range of control
may be shorter.
Signal Transmission
Off Mode Sign
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
FrostWash Button
Filter Sign Reset Button
Smart Eco Button
Use this button to set the
Eco mode.
On Timer Button
Select the turn ON time.
Off Timer Button
Select the turn OFF time.
LeaveHome Button
AQtiv-Ion Button
My Mode Button
Invalid Operation Sign
Shown at invalid setting
or operation
Transmission Sign
The transmission sign
blinks when a signal has
been sent.
Fan Speed Button
Select the fan speed.
On/Off Button
Press this button to start
operation.
Press it again to stop
operation.
Temperature Button
Room temperature set-
ting. Value will change
quicker when keep
pressing.
Up/Down Button
Control the angle of the
horizontal air deflector.
Left/Right Button
Control the angle of the
Vertical air deflector.
Wide Reach Button
Control the angle of the
Vertical air deflector.
Powerful Button
Silent Button
Reset Button
Backlight function
Precautions for Use
●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.
●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 Mode Selector button during
operation, the air conditioner may stop for about 3
minutes for protection before you can start it again.
Built-in airCloud Home module
Internet environment at home
Smartphone
airCloud Home 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.
●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.
●iOS (iPhone, etc.) 10.0 / Android 8.0 or later
(as of December 2021).
●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.
airCloud Home 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 smartphone
Use the airCloud Home App to remotely
control the air conditioner.
Receive updates from the air conditioner.
Additional communication fees may
be charged based on the customer's
contract for Internet data.
How to install Page 7
Communication equipment
(Modem / ONU, etc.)
Your smartphone
Wireless LAN router
Connect the air conditioner to the internet airCloud Home App

– 7 –
ENGLISH
Wireless LAN router (Hereinafter 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 Home app on
your smartphone
(1) Search for the airCloud Home 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.
●To dedicated application is free of charge, but to
download the application, the data charges as
per the internet provider or smart phone network
provider charges apply.
●The names and icons of the dedicated apps are
as of September 2021. It may be changed by
updating the application.
Notes:
●The first registered user becomes group administrator
by default and manage other users and also set
access rights for other users.
●When using with multiple users, the registered user
should invite other users to register.
Notes on Wireless LAN
WARNING
●Do not enable remote features near those with
a cardiac pacemaker or defibrillator
If it is too close, radio waves may affect the operation
of pacemakers and other devices.
In the frequency band used by this air conditioner, in
addition to industrial, scientific and medical equipment
such as microwave ovens, private radio stations for
identification of mobile objects (radio stations that
require a license) and special Low power radio stations
(radio stations that do not require a license) and amateur
radio stations (radio stations that require a license) are
in operation.
Use frequency band
(1) Before using this air conditioner, make sure that
local radio stations for identification of mobile
objects, specified low-power radio stations and
amateur radio stations are not operating nearby.
(2) If any harmful radio interference occurs from the
air conditioner to the mobile station identification
radio station, immediately stop using the radio wave
and contact below to consult about measures for
avoidance.
(3) In addition, if you have any problems such as
harmful radio interference from the air conditioner to
the specified low power radio station for identifying
the moving object or amateur radio station. Please
contact us.
How to use frequency
Modulation system is DSSS and OFDM system
It means that the entire band from 2.400 GHz to 2.4835 GHz can be
used and the band of the mobile identification device can be avoided.
Radio interference
distance 40m or
less
Use 2.4GHz band
This air conditioner has a built-in wireless device that
has been approved for construction design based on
the Radio Law, so a license for a wireless station is
not required. However, the following acts are prohibited
by the Radio Law.
●Disassemble / modify wireless device.
●Remove the main unit nameplate.
●Erase the indication on the nameplate of the main
unit.
●Since wireless LAN transmits and receives using
radio waves, there is a risk of unauthorized access.
Please take security measures for the wireless LAN
router (hereinafter, router) to ensure data security.
Please note that we do not take any responsibility
if a problem occurs without implementing security
measures.
●We recommend that you set a password (encryption
key) for the router of at least 8 characters and no
more than 63 characters. (Refer to the instruction
manual of the router for the limitation of the number
of characters.) When you change the password
(encryption key), change the setting according to
“When the router is replaced” in the airCloud Home
app.
Equipment certification
Security measures

– 8 –
●This air conditioner has the function of connecting
to our server through the Internet and automatically
updating its firmware to the latest version. During the
update, wireless communication may be interrupted
and communication may be interrupted or can be
slow.
●Do not analyze or modify the firmware.
Please note the following restrictions on use. The
Company will not be liable for any failure to observe
the restrictions or for any incidental damage resulting
from the use or inability to use the air conditioner.
●Do not connect to wireless networks for which you
do not have usage rights. Unauthorized wireless
networks (*SSID) that you do not have permission
to use may be displayed during automatic search
of the wireless network environment.
✩SSID is a name to identify a specific network
in wireless LAN. If this SSID matches on both
devices, communication is possible.
●Do not use where magnetic fields, static electricity
or radio interference may occur.
If used near the following devices, communication
may be interrupted or the speed may decrease.
Please use as far as possible.
●Microwave oven during cooking
●Bluetooth compatible device
●Other wireless LAN devices (wireless WEB
cameras, PC devices, etc.) except the router
(wireless LAN router) that communicates with
this air conditioner.
●If the air conditioner is surrounded by a metal object,
or if there is an object such as metal or reinforced
concrete that cannot pass radio waves between itself
and the router, it may not be able to communicate
due to the reception of radio noise or a short range.
About firmware
Usage restrictions
Information about Using
Wireless LAN
●The air conditioner can be operated from a place
that is not directly visible. Therefore, for example,
a situation may occur where a person in the room
turns ON while another person turns OFF from
outside. Especially when infants, children, the elderly,
the sick, or the physically handicapped are indoors,
use it when a person who can manage it is nearby.
In addition, before using, please understand the
condition of the room before operating.
●Your smartphone and air conditioner communicate
data via our server using the Internet. Therefore, due
to the condition of the communication line of your
mobile phone company or provider, the setting of your
router, or the stop of service due to maintenance of
the airCloudHome server, data communication may
not be possible, and the system may not or delay
operate.
●After connecting the air conditioner to the router,
you can perform data communication. To use, you
will incur the broadband internet charges and your
smartphone network provider charges as per the
customer contract.
●If the air conditioner is not operated for a long time
or if the home internet network has been completely
shut down, it is advisable to initialize the airCloud
Home module and reconnect the same.
●Please do not inform other people about the SSID
/ KEY of this air conditioner.
●Our company guarantees repair of this air conditioner
under certain conditions. However, we do not
guarantee that stored data is lost or damaged.
●This air conditioner stores network setting information.
When disposing of this air conditioner, initialize the
built-in airCloud Home module (Refer to page 11
Restore Factory Setting).
●Customers are responsible for resolving any
deficiencies in the Internet and wireless environment
at home.
●If you operate the air conditioner using the App,
some of the set functions may be canceled. Check
the web page for details.
SSID & KEY Label Paste
SSID & KEY label details of Air conditioner’s built-in
airCloud Home module is pasted here for your reference.
Please keep it safe for future requirements during
pairing process and please write down the installation
location (like living room, bed room, etc.) on the label.
The AC type is “2” that is for models with a built-in
airCloud Home module.

– 9 –
ENGLISH
About Software License
The software installed in this air conditioner is composed
of multiple independent software modules, and each
software module has the copyright of Johnson Controls
Air Conditioning (Herein after referred to as “the
Company”) and a third party. This air conditioner also
contains software modules developed or created by
us, but these software and accompanying documents
have proprietary rights and intellectual property rights
of our company. These are protected by copyright law
and other laws.
Initial Setting of App
Go to Google Play or the Apple Store (depending on
your smartphone) and download the “airCloud Home”
Application
●Please read and agree to “the Terms of Use” on
the App.
●The App is free. Communication charges will be
incurred for download and operation as per the local
cell phone provider.
●Android is a trademark and registered by Google
LLC.
●iPhone is a trademark and registered by Apple Inc.
●QR code is a trademark and registered by DENSO
WAVE Inc.
Installation of App
Registration on App
(1) Click “Create Account”.
(2) Enter your name and click “Continue”.
(3) Enter your mobile number and password (or
click “E-mail” tab, and enter your E-mail address
and password), read the “terms and conditions”
and check on the box, click “Continue”.
(4) Enter received verification code you received and
click “Continue”.
(5) Click “Auto-Detect My Location” or Enter address
details manually, and click “Finish”.
(6) The account has been created successfully.
(1) (2) (3)
(4) (5) (6)
Note:
The first registered user can manage all the users and
set access rights as a group owner. Group owner can
invite others to register.
Air Conditioner Registration and
Router Connection
Make sure that the air conditioner is plugged in, then
follow the steps below to add your air conditioner
device to the App.
(1) Click “Add Air Conditioner” on the top screen after
registration and login your App.
(2) Scan QR code on the bundled SSID & KEY label
in this user manual or by lifting the front panel of
your air conditioner.
(3) If the SSID shown on the App is your home router,
enter your home router password, click “Next”.
Otherwise, click “Change Wi-Fi Network”, select
your home router enter password and click “Next”,

– 10 –
(4) Switch ON your air conditioner now. Once your
air conditioner is switched on, or reset the internal
settings (restore the factory settings) by remote
control, it will automatically set into pairing mode
for 10 minutes. Wi-Fi LED on air conditioner’s
panel (see diagram in status indicator section) will
blink for 3 times repeatedly showing air conditioner
is in pairing mode. Wi-Fi LED keeps blinking till
communication with Wi-Fi router is succeeded.
When the airCloud Home module reset operation is
performed through the remote control, the pairing
mode can be entered without restarting the air
conditioner.
(5) Click “Change Wi-Fi Network”, select the Wi-Fi
access point of the Built-in airCloud Home module
with SSID printed on the bundled SSID&KEY Label,
input password (the KEY). Click right arrow icon
on the screen top to continue for connecting your
smart phone with the Adapter.
(6) Waiting for the built-in airCloud Home module to
connect to your home router. When communication
is established, Wi-Fi LED on panel will be
continuously ON after blinking.
(7) Waiting for the Smartphone to connect with your
home network. If your Smartphone is connected
to another wireless network then click on Change
Wireless Network & select home network.
(8) Please assign a name to your registered air
conditioner. If you assign a custom name to your
air conditioner, it will not be compatible with your
smart speaker (integrated with Alexa or Google
Assistant), so we recommend that you select a
name from the pre-defined list.
(9) Your air conditioner has been successfully
configured.
(1) If communication cannot succeed within 10 minutes,
please follow the instructions of the App to complete
the pairing process again.
(2) If a user in the group has already registered some
air conditioning units, the other users in the same
group can also control the unit.
(3) If the air conditioning is not configured with router,
at power on unit enters into pairing mode every
time for 10 minutes with Wi-Fi indication blinking
for 3 times.
(4) If the air conditioning is already configured with
router, and router detection is available then at
power on, unit will skip the pairing mode & try to
connect to router.
(5) Please enter the SSID name of the air-conditioner
to proceed with the pairing process if unable to
scan QR code.

– 11 –
ENGLISH
Initialization of the Built-in airCloud
Home Module
Reset the internal settings (restore the factory settings)
by remote controller. Please note that the configuration
will be cleared and pairing procedure will be required
to do again to use the built-in airCloud Home module.
(1) Press Mode key and ON Timer key simultaneously,
pointing the remote controller towards the air
conditioning unit.
(2) Make sure Wi-Fi LED on Indoor Unit flashes 4
times repeatedly for about 20 seconds (LED is
turning off between 2 sequences of 20 seconds).
(3) Restart the unit (turn power OFF during 1 minute,
then turn power ON again) and check that the
Wi-Fi LED is blinking 3 times.
If Wi-Fi LED is indeed flashing 3 times, pairing
mode is well activated and factory settings have
well been restored.
Status Indicator (LED Indicator may
light up while the air conditioner is
turned off)
Wi-Fi Lamp Corresponding Status
LED OFF
LED ON
LED flashes
3 times
LED flashes
4 times
LED flashes
5 times
LED flashes
with 4 sec ON/
1 sec OFF
LED flashes
with 4 sec ON/
3 sec OFF
●Pairing time out occurs (after 10 mins.) &
configured router not detected.
●Air conditioner is not plugged in.
●Built-in airCloud Home module and the air
conditioner is not connected.
●The connection between the Built-in airCloud
Home module and the router is completed.
●The operation can be conducted through
smartphone.
Waiting to connect to the Wi-Fi router using
AP mode.
Restoring factory setting procedure has started.
Communication error between air conditioner
& Built-in airCloud Home module
(Error detection time: approx 24 mins.)
Router connection error.
Cloud connection error. (Error detection time:
approx 30 mins.)
Note:
●Please try to power OFF/ON your air conditioner
from mains switch when an error occurs.
●Wi-Fi is a trademark or registered trademark of
the “Wi-Fi” Alliance”.
Information
Capabilities
Heating Capability
●This room air
conditioner
utilizes a heat
pump system
that absorbs
exterior heat
and brings it
into a room
to be heated. As the ambient temperature
gets lower, heating capability will also lower. In
such a situation, the inverter work to increase
compressor rpm to keep the unit’s heating
capability from decreasing. If the unit’s heating
performance is still unsatisfactory, other heating
appliances should be used to augment this unit’s
performance.
●The air conditioner is designed to heat an entire
room so that it may take some time before you
feel warm. Timer operation is recommended for
effective preheating ahead of the desired time.
Cooling and Dehumidifying Capabilities
●If the heat present in a room exceeds the unit’s
cooling capacity (for example, if there are many
people in the room or other heating appliances
are used), the preset room temperature may not
be reached.
CAUTION
PROHIBITION
Do not use a stove
or any other high
temperature
devices in proximity
to the indoor unit.
●For the refrigerant charge information, please refer to
the outdoor unit installation manual or specification
label.
Refrigerant Information

– 12 –
ATTACHING THE AIR PURIFYING FILTERS
1Open the front panel
●Pull up the front panel by holding it at both sides
with both hands.
2Remove the Pre-filter
●Push upward to release the claws and pull out the
Pre-filter.
4Attach the Pre-filters
●Attach the Pre-filters by ensuring that the surface
written “FRONT” is facing front.
●After attaching the Pre-filters, push the front panel at
three arrow portions as shown in figure and close it.
!
Do not bend the air purifying
filter as it may cause damage
to the structure.
Please do not smell direct from
source of filter.
NOTE
●In case of removing the air purifying filters, please follow the above procedures.
●The cooling capacity is slightly weakened and the cooling speed becomes slower when the air
purifying filters are used. So, set the fan speed to "HIGH" when using it in this condition.
●Air purifying filters are not washable. It is recommended to use vacuum to clean it. It can be use
for 1 year time. Type number for this air purifying filter is <SPX-CFH22VR>. Please use this number
for ordering when you want to renew it.
●Do not use detergent on the air purifying filter as some detergent may deteriorate the air purifying
filter electrostatic performance.
CAUTION
3Attaching the air purifying filters
(Accessories) to the filter frame.
●Attach the air purifying filters to the C-case to
the designated position.
●The cooling capacity is slightly weakened and
the cooling speed becomes slower when the
air purifying filters are used.
●The air purifying filters are not washable. It is
recommended to use vacuum to clean. It can
be used for 1 year. When you want to renew
it, please ask your sales agent.
Air purifying filter
C-case
Backside of
Air Filter
Claw
Hook
Hook
Filter Frame
Air Filter

– 13 –
ENGLISH
MAINTENANCE
Cleaning and maintenance must be carried out only by qualified service
personnel. Before cleaning, stop operation and switch off the power supply.
CAUTION
CAUTION
!
!
1
2
3
1. PRE-FILTER
Clean the Pre-filter, as it removes dust inside the room. In case the Pre-filter is full of dust, the air flow
will decrease and the cooling capacity will be reduced. Further, noise may occur. Be sure to clean the
Pre-filter following the procedure below.
Open the front panel and remove the Pre-filter
●Gently lift and remove the air purifying filters
from the air purifying filter frame.
Vacuum dust from the Pre-filter and air purifying
filter using vacuum cleaner. If there is too much
dust, rinse under running tap water and gently
brush it with soft bristle brush. Allow filters to dry
in shade.
●Re-insert the air purifying filter to the filter frame.
Set the Pre-filter with “FRONT” mark facing front,
and slot them into the original state.
●After attaching the Pre-filters, push the front
panel at three arrow portions as shown in
figure and close it.
●Do not operate the air conditioner without Pre-filter. Dust may enter the air conditioner and fault may
occur.
NOTE:
●Air purifying filter should be cleaned every month or sooner if noticeable loading occurs. When
used overtime, it may lose its deodorizing function. For maximum performance, it is recommended
to replace it every 1 year depending on application requirements.

– 14 –
2. CLEANING OF FRONT PANEL
●Remove the front panel and wash with clean water.
Wash it with a soft sponge.
After using neutral detergent, wash thoroughly with
clean water.
●When front panel is not removed, wipe it with a soft
dry cloth. Wipe the remote controller thoroughly with
a soft dry cloth.
●Wipe the water thoroughly.
If water remains at indicators or signal receiver of
indoor unit, it causes trouble.
Method of removing the front panel.
Be sure to hold the front panel with both hands to
detach and attach it.
!
CAUTION
●Never use hot water (above 40°C), benzine, gasoline, acid, thinner or a
brush, because they will damage the plastic surface and the coating.
Removing the Front Panel
●When the front panel is fully opened with both
hands, push the right arm to the outside to
release it, and while closing the front panel
slightly, pull it out forward.
Attaching the Front Panel
●Move the projections of the left and right arms
into the Flanges in the unit and securely insert
them into the holes.
Move
21
Arm
Push
Arm
Shaft
Insert
Insert
Step
12

– 15 –
ENGLISH
Regular Inspection
PLEASE CHECK THE FOLLOWING POINTS BY QUALIFIED
SERVICE PERSONNEL EITHER EVERY HALF YEARLY OR
YEARLY. CONTACT YOUR SALES AGENT OR SERVICE
SHOP.
1
2
3
Is the earth line disconnected or
broken?
Is the mounting frame seriously
affected by rust and is the outdoor
unit tilted or unstable?
Is the plug of power line firmly
plugged into the socket?
(Please ensure no loose contact
between them).
AFTER SALE SERVICE AND
WARRANTY
WHEN ASKING FOR SERVICE, CHECK
THE FOLLOWING POINTS
CONDITION CHECK THE
FOLLOWING POINTS
When it does not cool
well
When it does not cool well
When it does not hot well
If the remote controller is
not transmitting a signal.
(Remote controller
display is dim or blank.)
●Do the batteries need
replacement?
●Is the polarity of the inserted
batteries correct?
●Is the fuse all right?
●Is the voltage extremely high
or low?
●Is the circuit breaker “ON”?
●Is the setting of operation
mode different from other
indoor units?
●Is the pre-filter blocked with
dust?
●Does sunlight fall directly on
the outdoor unit?
●Is the air flow of the outdoor
unit obstructed?
●Are the doors or windows
opened, or is there any
source of heat in the room?
●Is the set temperature
suitable?
●Are the air inlets or air
outlets of indoor and outdoor
units blocked?
●Is the fan speed “LOW” or
“SILENT”?
FrostWash Operation
Is the total operation time of the air
conditioner beyond default setting when
the air-conditioner is operated for about 30
minutes and stopped?
The FrostWash be started that must to meet
with the follow conditions.
Does not change to non-automatic
“FrostWash”?
Does it happen after “sleep” and “time off”?
Automatic “FrostWash” interval becomes
longer. Please operate manual “FrostWash”
with remote controller.
Within 60 minutes after the end of
“FrostWash”, “FrostWash” is not operated
for product protection.
It is the sound that the internal machine is
inflated and contracted by the temperature
change and the fin of the heat exchanger
is frozen and thawed
Repeat for 1 second on and 1 second off
for 10 seconds
Because “FrostWash” can not work when
operating the “FrostWash” with remote
controller.
●The air conditioner is operating
●Outside air temperature, room temperature
and room humidity are not suitable for
“FrostWash”
●It has not been over 60 minutes since the
end of “FrostWash”
Repeat for 4 seconds on and 1 second off
for 15 seconds
Because FrostWash has not been done for
a long time.
Operate the remote controller to operate
“FrostWash”.
FrostWash
Operation
does not
start
Noise
occurred
during
FrostWash
operation
(Clean
Function
Lamp)
blinks
Accumulation
time
outdoor
FrostWash auto
operation
The room
temperature
The humidity
in the room
The outside
temperature
indoor FrostWash
auto operation.
Accumulated
operating hours of
the air conditioner
have exceeded
about 42 hours
Accumulated
power supply
of the air
conditioner have
exceeded about
60 days
about 10~32°C
about 30~70%
about 1~43°C
about 5~25°C
It does not
request
about 5~25°C

– 16 –
Mold Guard Operation
Mold Guard
operation
does not
start
During Mold
Guard
If the air conditioner operation is stopped after
heating operation, Mold Guard will not operate.
If the air conditioner has operated in cooling and
drying mode, including auto mode, for less than
10 minutes, the Mold Guard operation will not
start even if the air conditioner is in off mode.
If operation of the air conditioner is stop by OFF
Timer or GoodSleep Timer, the Mold Guard will
not operate.
If ON Timer is set and on time is within about 2
hours, the Mold-Guard will not operate.
(Clean Function Lamp) on the indoor
unit lights up during Mold Guard operation.
If Mold Guard operation stop at middle
point, FrostWash and Filter sign indicator
will turn off.
The horizontal deflector remain open.
Room temperature or humidity may rise.
Depending on situation, Mold Guard will
operate with Fan Mode.
When there would be the window near indoor
unit, the water might condense on the window
during Mold Guard. If necessary, to cancel
Mold Guard.
When after FrostWash operation, the water
inside the indoor unit evaporates and
depending on the room conditions, may
emitted as steam. But this is not a malfunction.
If necessary, to cancel Mold-Guard.
Notes
■The following phenomena do not indicate unit failure.
<Operation start>
The unit is preparing to blow warm air.
Please wait.
<In operation>
The outdoor unit is defrosting. Please wait.
Refrigerant flow noise in the pipe or valve
sound generated when flow rate is adjusted.
Refrigerant flow noise occur during changes
of maximum fan speed to lowest speed.
Noise generated when the unit expands or
contracts due to temperature changes.
Noise generated with the indoor unit fan’s
rpm changing such as operation start times.
Noise of the motorized valve when the unit
is switched on.
Noise of the ventilation fan sucking in air
present in the drain hose and blowing out
dehumidifying water that had accumulated
in the condensed water collector. For details,
consult your sales agent.
Operation noise changes due to power
variations according to room temperature
changes.
Mist is generated as the air within the room
is suddenly cooled by conditioned air.
Water generated during defrosting operation
evaporates and steam is emitted.
Caused as the smells and particles of smoke,
food, cosmetics, etc. present in room air
become attached the unit and blown off into
the room again.
During heating,
the operation
indicator blinks
and air blow
stops
Hissing or fizzy
sounds
Squeaking noise
Rustling noise
Clicking noise
Perking noise
Changing
operation noise
Mist emission
Steam emitted
from the outdoor
unit
Odors
The outdoor
unit continues
to operate even
if operation is
stopped.
Defrosting is underway (as the heating
operation is stopped, the microcomputer
checks frost accumulated in the outdoor unit
and instructs the unit to perform automatic
defrosting if necessary).
Shows preheating or defrosting operation is
underway. As the protective circuit or preheat
sensor operates when unit operation is
stopped during preheating and then restarted,
or when operation mode is switched from
cooling to heating, the lamp continues to blink.
Actual room temperature may deviate slightly
from the remote controller's temperature
setting depending on the number of people
in the room, indoor or outdoor conditions.
If the unit still fails to operate normally after performing the above
inspections, turn the circuit breaker off and contact your sales agent
immediately.
Notes
●IIn quiet or stop operation, the following
phenomena may occassionally occur, but they
are not abnormal for the operation.
(1) Slight flowing noise of refrigerant in the
refrigerating cycle.
(2) Slight rubbing noise from the fan casing
which is cooled and then gradually warmed
as operation stops.
●The odor will possibly be emitted from the room air conditioner
because the various odor, emitted by smoke, foodstuffs, cosmetics
and so on, sticks to it. So the pre-filter and the evaporator regularly
must be cleaned to reduce the odor.
Please contact your sales agent immediately if the air conditioner still
fails to operate normally after the above inspections. Inform your agent
of the model of your unit, production number, date of installation. Please
also inform him regarding the fault.
Contact your sales agent immediately if the following
phenomena should occur
●The circuit breaker switches off or the fuse
blows frequently.
●The switch operation is not stable.
●Foreign matter or water accidentally enters
the unit interior.
●The power cord gets excessively hot or its insulation is torn
or stripped.
●TIMER lamp on the indoor unit display blinks.
(As the nature of the failure can be identified by the blinking
cycle, check the blinking cycle before turning off the circuit
breaker.)
The OPERATION
lamp is flashing
Does not reach
the temperature
setting
Please note:
On switching on the equipment, particularly when the room light
is dimmed, a slight brightness fluctuation may occur. This is of no
consequence.
The conditions of the local Power Supply Companies are to be
observed.

– 17 –
HƯỚNG DẪN
VẬN HÀNH
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

– 18 –
BIỆN PHÁP PHÒNG NGỪA KHI LẮP ĐẶT
CẢNH BÁO ĐỂ SỬ DỤNG AN TOÀN
● Vui lòng đọc kỹ "Cảnh báo để sử dụng an toàn" trước khi vận hành thiết bị để bảo đảm sử dụng thiết bị theo đúng cách.
● Đặc biệt lưu ý đến những dấu hiệu " Cảnh báo" và " Thận trọng". Phần "Cảnh báo" nêu lên các vấn đề có thể gây tử vong hoặc
thương tích nghiêm trọng nếu không tuân thủ nghiêm ngặt kỹ khi sử dụng. Phần "Thận trọng" nêu lên các vấn đề có thể dẫn đến hậu quả
nghiêm trọng nếu không tuân thủ nghiêm ngặt khi sử dụng. Vui lòng tuân thủ nghiêm ngặt mọi hướng dẫn để bảo đảm an toàn.
● Biểu tượng có ý nghĩa như sau.
● Vui lòng giữ lại sách hướng dẫn này sau khi đọc xong.
CẢNH
BÁO
CẢNH
BÁO
CẢNH
BÁO
BIỆN PHÁP PHÒNG NGỪA KHI LẮP ĐẶT
●
Không được thay đổi cấu trúc của thiết bị.
Tự ý thay đổi cấu trúc thiết bị có thể gây rò rỉ nước, hỏng hóc, chập điện hoặc cháy nổ.
●
Vui lòng yêu cầu đại lý bán hàng hoặc nhân viên kỹ thuật đủ trình độ lắp đặt thiết bị. Tự lắp đặt thiết bị có thể gây rò rỉ nước,
chập điện hoặc cháy nổ.
●
Vui lòng sử dụng dây nối đất.
Không đặt dây nối đất gần ống dẫn nước hoặc khí, cột thu lôi hay dây nối đất của điện thoại.
Lắp sai dây nối đất có thể dẫn đến nguy cơ giật điện.
●
Bảo đảm sử dụng bộ đường ống quy định dành cho R32. Bằng không, việc này có thể dẫn đến gãy ống đồng hoặc hỏng hóc.
●
Không sử dụng môi chất lạnh khác với loại ghi trên dàn nóng (R32) khi lắp đặt, di chuyển hoặc sửa chữa.
Sử dụng môi chất lạnh khác có thể gây ra sự cố hoặc hư hỏng thiết bị và gây thương tích cá nhân.
●
Cầu dao phải lắp đặt tùy theo vị trí lắp đặt thiết bị. Nếu không lắp cầu dao thì có thể dẫn đến nguy
cơ điện giật.
●
Không lắp đặt gần vị trí có khí dễ cháy. Nếu khí gas dễ cháy rò rỉ xung quanh, dàn nóng có thể bắt lửa.
●
Vui lòng bảo đảm dẫn thoát nước tốt khi lắp đặt ống thoát nước.
●
Không lắp đặt dàn lạnh gần nơi có hơi dầu mỡ hoặc hơi sương dầu ở xưởng cơ khí hoặc nhà bếp. Dầu sẽ bám vào bộ trao đổi
nhiệt, làm giảm hiệu suất của dàn lạnh và có thể làm biến dạng, thậm chí tệ hơn là làm hỏng các bộ phận nhựa của dàn lạnh.
THẬN
TRỌNG
Biểu tượng trong hình có nghĩa là nghiêm cấm.
Bảo đảm nối dây nối đất.
Cho biết là phải tuân theo hướng dẫn.
Ký hiệu này cho biết thiết bị này sử dụng môi chất lạnh dễ cháy.
Nguồn lửa bên ngoài có thể gây cháy nếu môi chất lạnh bị rò rỉ.
Ký hiệu này cho biết cần đọc kỹ Hướng dẫn vận hành.
Ký hiệu này cho biết nhân viên bảo trì xử lý thiết bị này phải tham khảo Hướng dẫn lắp đặt.
Ký hiệu này cho biết bạn nên tham khảo Hướng dẫn vận hành và/hoặc Hướng dẫn lắp đặt để biết thêm thông tin
CẢNH BÁO
THẬN TRỌNG
THẬN TRỌNG
THẬN TRỌNG
ĐỀ PHÒNG KHI DỊCH CHUYỂN HOẶC BẢO DƯỠNG THIẾT BỊ
●
Nếu phát hiện thấy dấu hiệu bất thường (như ngửi thấy mùi khét), vui lòng ngưng sử dụng thiết bị và ngắt cầu dao điện ngay
lập tức. Liên hệ với đại lý. Nếu tiếp tục vận hành thiết bị trong điều kiện bất thường thì có thể xảy ra sự cố, chập điện hoặc
cháy nổ.
●
Vui lòng liên hệ với đại lý để bảo trì. Bảo trì không đúng quy cách có thể dẫn đến điện giật và cháy nổ.
●
Vui lòng liên hệ với đại lý nếu cần tháo và lắp lại thiết bị. Nếu tháo và lắp đặt lại thiết bị không đúng cách thì có thể xảy ra nguy cơ bị điện
giật hoặc cháy nổ.
●
Nếu dây nguồn bị hỏng thì phải thay bằng dây nguồn chuyên dụng, có thể mua tại các trung tâm dịch vụ/linh kiện ủy quyền.
●
Nếu máy điều hòa không mát, thì một nguyên nhân thường gặp là do rò rỉ chất làm lạnh, vì vậy hãy liên hệ với đại lý bán.
Máy điều hòa sử dụng khí gas làm lạnh không gây hại. Tuy nhiên, nếu khí gas lạnh bị rò rỉ trong phòng thì sẽ tạo ra các chất có hại khi
tiếp xúc với lửa từ các thiết bị như bếp gas.
Khi phát hiện thấy khí gas lạnh tích tụ trong phòng, hãy tắt điều hòa ngay lập tức. Mở cửa sổ để thông khí và liên hệ với đại lý.
TẮT
ĐỀ PHÒNG KHI VẬN HÀNH
TẮT
●
Cần giữ bình xịt và các vật dễ cháy khác cách xa ít nhất một mét so với lối thoát không khí của cả dàn nóng và dàn lạnh.
Dưới tác động của nhiệt độ cao, áp suất bên trong bình xịt có thể tăng đột ngột, dẫn đến nguy cơ nổ bình.
● Tránh tiếp xúc trực tiếp với luồng khí trong thời gian dài để bảo vệ sức khỏe chính mình.
● Không cho ngón tay, que gậy hoặc vật lạ khác vào cửa hút gió hoặc cửa thoát khí. Quạt quay ở tốc độ cao có thể gây
thương tích. Trước khi vệ sinh, hãy nhớ tắt máy và NGẮT cầu dao.
● Tuyệt đối không sử dụng bất kỳ vật dẫn điện nào làm dây chì, việc này có thể gây tai nạn chết người.
● Trong cơn giông, hãy tắt thiết bị và ngắt cầu dao điện.

– 19 –
ĐỀ PHÒNG KHI VẬN HÀNH
● Không cố vận hành thiết bị khi tay ướt vì có thể gây ra tai nạn chết người.
● Nếu bật điều hòa trong khi sử dụng các thiết bị tỏa nhiệt, hãy thường
xuyên thông gió cho phòng để phòng có đủ ôxy.
● Cần tránh hướng luồng khí mát từ máy điều hòa không khí trực tiếp vào
thiết bị gia dụng phát nhiệt như ấm đun nước điện, lò sấy, v.v. vì điều này
có thể ảnh hưởng đến hoạt động của thiết bị.
● Không sử dụng mọi sản phẩm dạng xịt hoặc keo xịt tóc gần dàn lạnh. Hóa
chất này có thể bám dính vào lá tản nhiệt của bộ trao đổi nhiệt, làm cản
trở dòng chảy của nước bay hơi vào khay hứng nước ngưng. Nước sẽ
nhỏ giọt vào quạt luồng ngang và khiến nước bắn ra khỏi dàn lạnh.
● Vui lòng bảo đảm rằng khung gắn ngoài trời luôn vững chãi, chắc chắn
và không hỏng hóc. Nếu không, dàn nóng có thể bị rơi và gây nguy hiểm.
● Không vẩy hoặc xịt nước trực tiếp vào thân máy khi vệ sinh vì có thể gây
chập điện.
● Sử dụng tấm chuyển hướng gió hướng xuống hoặc tự động di chuyển trong thời gian dài khi cửa và cửa
sổ mở sẽ khiến độ ẩm trong phòng vượt quá 80%. Điều này có thể dẫn đến hiện tượng ngưng tụ nước
trên tấm chuyển hướng gió và nhỏ giọt xuống. Điều này sẽ khiến đồ đạc của bạn bị thấm nước. Do đó,
không được vận hành trong điều kiện như vậy trong thời gian dài.
● Khi lượng nhiệt trong phòng vượt quá khả năng làm mát hoặc sưởi ấm của thiết bị (ví dụ: do có nhiều
người hơn hoặc sử dụng thiết bị sưởi, v.v.), thì nhiệt độ phòng sẽ không đạt được mức đặt trước.
● Để đảm bảo an toàn, trẻ em từ 8 tuổi trở lên và những người có hạn chế về thể chất, giác quan hoặc
tâm thần, hoặc thiếu kinh nghiệm và kiến thức, chỉ nên sử dụng thiết bị này khi có người giám sát hoặc
được hướng dẫn về cách sử dụng an toàn và hiểu được những nguy cơ liên quan.
Không được để trẻ em nghịch thiết bị. Không được để trẻ em vệ sinh và thực hiện các nhiệm vụ bảo
dưỡng dành cho người dùng khi không có người lớn giám sát.
● Không trèo lên hoặc đặt đồ vật lên thiết bị.
● Vui lòng tắt thiết bị và ngắt cầu dao khi vệ sinh, quạt tốc độ cao bên trong
thiết bị có thể gây nguy hiểm.
● Ngắt cầu dao nếu không chạy thiết bị trong thời gian dài.
TẮT
TẮT
● Sản phẩm vận hành theo thông số kỹ thuật của nhà sản xuất và không
để sử dụng cho bất kỳ mục đích nào khác.
● Không đặt đồ chứa nước (như bình hoa) trên dàn lạnh để tránh nước nhỏ
giọt vào trong thiết bị. Nước rò rỉ sẽ làm hỏng lớp cách điện bên trong thiết
bị và gây ra hiện tượng chập điện.
● Không đặt trực tiếp cây trồng dưới luồng khí vì luồng khí này không tốt
cho cây.
CẢNH BÁO ĐỂ SỬ DỤNG AN TOÀN
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Ậ
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RAK-VH18PHASV
RAK-VH24PHASV 1.050 294 255
Phạm vi vận hành
Chế độ vận hành
Nhiệt độ bên ngoài
Làm mát/Khử ẩm
-10 đến 46°C
Sưởi
-15 đến 21°C
Dàn lạnh
Tên và chức năng của từng bộ phận
Lưới lọc
Để ngăn bụi bẩn xâm nhập vào trong dàn lạnh.
(Tham khảo trang 29)
Mặt nạ
(Tham khảo trang 30)
Bộ tạo ion
Các chỉ báo cho dàn lạnh
Chỉ báo đèn cho biết điều kiện vận hành.
(Tham khảo trang 21)
Tấm hướng dòng không khí ngang, Tấm
hướng dòng không khí dọc
(Lối thoát không khí)
Cảm biến ECO
Điều khiển từ xa
Gửi tín hiệu vận hành đến dàn lạnh. Để vận hành
toàn bộ thiết bị.
MODEL
Tên model và kích thước
RỘNG (mm) CAO (mm) SÂU (mm)