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Air conditioner
conditgioner
User manual/Installation manual
AR✴✴HVSD✴✴
AR✴✴KCFH✴✴
•• Thank you for purchasing this Samsung air conditioner.
•• Before operating this unit, please read this user manual carefully and retain it for future
reference.
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Contents
Safety Information 4
Safety Information
4
At a Glance
12
Indoor Unit Overview
12
Display
Remote Control Overview
13
Inserting batteries
Remote Control Operation
14
Operation modes • Controlling temperature •
Controlling fan speed • Controlling air flow direction
Power Smart Features
16
Cooling Operation
16
Cool mode • 2-Step cooling function
Dehumidifying Operation
17
Dry mode
Quick Smart Features
18
Auto mode • Fan mode • Fast function
Comfort function • Beep sound function
Energy-Saving Features
21
Energy-Saving Operation
21
Single user function • Timed on/Timed off function • good’sleep function
Cleaning and Maintenance
24
Cleaning at a Glance
24
Troubleshooting26
Technical Specifications
28
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Installation30
Safety Information on Installation
30
Preparation32
Step 1.1 Choosing the installation location
Step 1.2 Packing and Unpacking
Step 1.3 Checking and preparing accessories and tools
Step 1.4 Drilling a hole through the wall
Step 1.5 Taping the pipes, cables, and drain hose
Indoor Unit Installation
36
Step 2.1 Connecting the cables (assembly cable)
Step 2.2 Optional: Extending the power cable
Step 2.3 Installing and connecting the drain hose
Step 2.4 Optional: Extending the drain hose
Step 2.5 Optional: Changing the direction of the drain hose
Step 2.6 Installing and connecting the assembly pipes to the refrigerant pipes (assembly pipe)
Step 2.7 Shortening or extending the refrigerant pipes (assembly pipe)
Step 2.8 Fixing the installation plate
Outdoor Unit Installation
43
Step 3.1 Fixing the outdoor unit in place
Step 3.2 Connecting the cables and the refrigerant pipes
Step 3.3 Evacuating the air
Step 3.4 Adding refrigerant
Installation Inspection
46
Step 4.1 Performing the gas leak tests
Step 4.2 Running the Smart Install mode
Step 4.3 Performing final check and trial operation
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Safety Information
Safety Information
Before using your new air conditioner, please read this manual thoroughly
to ensure that you know how to safely and efficiently operate the
extensive features and functions of your new appliance.
Because the following operating instructions cover various models, the
characteristics of your air conditioner may differ slightly from those
described in this manual. If you have any questions, call your nearest
contact centre or find help and information online at www.samsung.com.
WARNING
Hazards or unsafe practices that may result in severe personal injury or
death.
CAUTION
Hazards or unsafe practices that may result in minor personal injury or
property damage.
Follow directions.
Do NOT attempt.
Make sure the machine is grounded to prevent electric shock.
Cut off the power supply.
Do NOT disassemble.
FOR INSTALLATION
WARNING
Use a power cord with this product's power specifications or higher
and use the power cord for this appliance only. In addition, do not use
an extension cord.
• Extending the power cord may result in electric shock or fire.
• Do not use an electric transformer. This may result in electric shock
or fire.
• If the voltage/frequency/rated current condition is different, it may
cause fire.
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Install an Isolation Switch next to the Air Conditioner (but not on the
panels of the Air Conditioner) and circuit breaker dedicated to the air
conditioner.
• Failing to do so may result in electric shock or fire.
Safety Information
The installation of this appliance must be performed by a qualified
technician or service company.
• Failing to do so may result in electric shock, fire, explosion, problems
with the product, or injury and may also void warranty on the
installed product.
Fix the outdoor unit firmly so that the electric part of the outdoor
unit is not exposed.
• Failing to do so may result in electric shock, fire, explosion, or
problems with the product.
Do not install this appliance near a heater, or inflammable material. Do
not install this appliance in a humid, oily or dusty location, in a location
exposed to direct sunlight and water (or rain). Do not install this
appliance in a location where gas may leak.
• This may result in electric shock or fire.
Never install the outdoor unit in a location such as on a high external
wall where it could fall.
• If the outdoor unit falls, it may result in injury, death or property
damage.
This appliance must be properly grounded. Do not ground the
appliance to a gas pipe, plastic water pipe, or telephone line.
• Failing to do so may result in electric shock, fire, and explosion.
• Make sure to use a socket-outlet with ground.
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CAUTION
Safety Information
Install your appliance on a level and hard floor that can support its
weight.
• Failing to do so may result in abnormal vibrations, noise, or problems
with the product.
Install the drain hose properly so that water drains correctly.
• Failing to do so may result in water overflowing and property
damage. Avoid adding drain to waste pipes as odours may arise in
the future.
When installing the outdoor unit, make sure to connect the drain hose
so that draining is performed correctly.
• The water generated during heating by the outdoor unit may
overflow and result in property damage.
In particular, in winter, if a block of ice falls, it may result in injury,
death or property damage.
FOR POWER SUPPLY
WARNING
When the circuit breaker is damaged, contact your nearest service
centre.
Do not pull or excessively bend the power line. Do not twist or tie the
power line. Do not hook the power line over a metal object, place a
heavy object on the power line, insert the power line between objects,
or push the power line into the space behind the appliance.
• This may result in electric shock or fire.
CAUTION
When not using the air conditioner for a long period of time or during
a thunder/lightning storm, cut the power at the circuit breaker.
• Failing to do so may result in electric shock or fire.
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FOR USING
If the appliance is flooded, please contact your nearest service centre.
• Failing to do so may result in electric shock or fire.
If the appliance generates a strange noise, a burning smell or smoke,
cut off the power supply immediately and contact the nearest service
centre.
• Failing to do so may result in electric shock or fire.
Safety Information
WARNING
In the event of a gas leak (such as propane gas, LP gas, etc.), ventilate
immediately without touching the power line. Do not touch the
appliance or power line.
• Do not use a ventilating fan.
• A spark may result in an explosion or fire.
To reinstall the air conditioner, please contact your nearest service
centre.
• Failing to do so may result in problems with the product, water
leakage, electric shock, or fire.
• Delivery service for the product is not provided. If you reinstall the
product in another location, additional construction expenses and an
installation fee will be charged.
• Especially, when you wish to install the product in an unusual
location such as in an industrial area or near the seaside where it is
exposed to salt in the air, please contact your nearest service centre.
Do not touch the circuit breaker with wet hands.
• This may result in electric shock.
Do not turn the air conditioner off with the circuit breaker while it is
operating.
• Turning the air conditioner off and then on again with the circuit
breaker may cause a spark and result in electric shock or fire.
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Safety Information
After unpacking the air conditioner, keep all packaging materials well
out of the reach of children, as packaging materials can be dangerous
to children.
• If a child places a bag over its head, it may result in suffocation.
Do not touch the air flow blade with your hands or fingers during
heating.
• This may result in electric shock or burns.
Do not insert your fingers or foreign substances into the air inlet/outlet
of the air conditioner.
• Take special care that children do not injure themselves by inserting
their fingers into the product.
Do not strike or pull the air conditioner with excessive force.
• This may result in fire, injury, or problems with the product.
Do not place an object near the outdoor unit that allows children to
climb onto the machine.
• This may result in children seriously injuring themselves.
Do not use this air conditioner for long periods of time in badly
ventilated locations or near infirm people.
• Since this may be dangerous due to a lack of oxygen, open a window
at least once an hour.
If any foreign substance such as water has entered the appliance, cut
off the power supply and contact the nearest service centre.
• Failing to do so may result in electric shock or fire.
Do not attempt to repair, disassemble, or modify the appliance
yourself.
• Do not use any fuse (such as cooper, steel wire, etc.) other than the
standard fuse.
• Failing to do so may result in electric shock, fire, problems with the
product, or injury.
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CAUTION
Safety Information
Do not place objects or devices under the indoor unit.
• Water dripping from the indoor unit may result in fire or property
damage.
Check that the installation frame of the outdoor unit is not broken at
least once a year.
• Failing to do so may result in injury, death or property damage.
Max current is measured according to IEC standard for safety and
current is measured according to ISO standard for energy efficiency.
Do not stand on top of the appliance or place objects (such as laundry,
lighted candles, lighted cigarettes, dishes, chemicals, metal objects,
etc.) on the appliance.
• This may result in electric shock, fire, problems with the product, or
injury.
Do not operate the appliance with wet hands.
• This may result in electric shock.
Do not spray volatile material such as insecticide onto the surface of
the appliance.
• As well as being harmful to humans, it may also result in electric
shock, fire or problems with the product.
Do not drink the water from the air conditioner.
• The water may be harmful to humans.
Do not apply a strong impact to the remote control and do not
disassemble the remote control.
Do not touch the pipes connected with the product.
• This may result in burns or injury.
Do not use this air conditioner to preserve precision equipment, food,
animals, plants or cosmetics, or for any other unusual purposes.
• This may result in property damage.
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Safety Information
Avoid directly exposing humans, animals or plants to the air flow from
the air conditioner for long periods of time.
• This may result in harm to humans, animals or plants.
This appliance is not intended for use by persons (including children)
with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, without supervision or instruction
concerning use of the appliance by a person responsible for their
safety. Children should be supervised to ensure that they do not play
with the appliance.
FOR CLEANING
WARNING
Do not clean the appliance by spraying water directly onto it. Do not
use benzene, thinner or alcohol to clean the appliance.
• This may result in discolouration, deformation, damage, electric shock
or fire.
Before cleaning or performing maintenance, cut off the power supply
and wait until the fan stops.
• Failing to do so may result in electric shock or fire.
CAUTION
Take care when cleaning the surface of the heat exchanger of the
outdoor unit since it has sharp edges.
• This should be done by a qualified technician. Please contact your
installer or service centre.
Do not clean the inside of the air conditioner by yourself.
• For cleaning inside the appliance, contact your nearest service centre.
• When cleaning the filter, refer to the descriptions in the ‘Cleaning at a
Glance’ section.
• Failing to do so may result in damage, electric shock or fire.
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Correct Disposal of This Product
(Applicable in countries with separate collection systems)
This marking on the product, accessories or literature indicates that the product and its electronic accessories (e.g.
charger, headset, USB cable) should not be disposed of with other household waste at the end of their working life.
To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate
these items from other types of waste and recycle them responsibly to promote the sustainable reuse of material
resources.
Household users should contact either the retailer where they purchased this product, or their local government
office, for details of where and how they can take these items for environmentally safe recycling.
Business users should contact their supplier and check the terms and conditions of the purchase contract. This
product and its electronic accessories should not be mixed with other commercial wastes for disposal.
Safety Information
(Waste Electrical & Electronic Equipment)
Correct disposal of batteries in this product
(Applicable in countries with separate collection systems)
This marking on the battery, manual or packaging indicates that the batteries in this product should not be disposed
of with other household waste at the end of their working life. Where marked, the chemical symbols Hg, Cd or Pb
indicate that the battery contains mercury, cadmium or lead above the reference levels in EC Directive 2006/66. If
batteries are not properly disposed of, these substances can cause harm to human health or the environment.
To protect natural resources and to promote material reuse, please separate batteries from other types of waste and
recycle them through your local, free battery return system.
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Indoor Unit Overview
The actual product may differ slightly from the image depicted below.
01
05
02
At a Glance
06
07
03
04
01 Air intake
05 Room temperature sensor
02 Air filter
06 Display
03 Air flow blade (up and down)
07 Power button /
Remote control receiver
04 Air flow blade (left and right)
Display
01 good'sleep indicator
01
02
02 Timer indicator
Auto clean indicator
03 Operation indicator
03
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Remote Control Overview
01 Set temperature indicator
05
01
06
02
03
02 Timer option indicator
03 Operation mode indicator
07
04 Options indicator
08
05 Low battery indicator
06 Transmit indicator
04
07 Fan speed indicator
15
10
16
08 Vertical air swing indicator
At a Glance
09
09 Settings indicator
10 Power button
11 Temperature button
11
17
12 Options button
13 Timer button
12
13
18
14 Direction button / Selection button
19
15 Vertical air swing button
16 Mode button
17 Fan speed button
20
14
18 Single user button
19 Settings button
20 SET button
Inserting batteries
NOTE
• The descriptions in this manual are
primarily made based on the remote
control buttons.
• Although Heat, Quiet, Virus doctor( ),
d’light Cool, Usage, Filter Reset, Display is
displayed on the remote control display, it
is not available on this model.
two 1.5V AAA type batteries
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Remote Control Operation
You can use the air conditioner easily by selecting a mode and then by controlling the
temperature, fan speed, and air direction.
Operation modes
You can change the current mode between Auto, Cool, Dry,
and Fan by pressing the
button.
Controlling temperature
At a Glance
You can control the temperature in each mode as follows:
Mode
Temperature control
Auto/Cool
Adjust by 1 °C between 16 °C and 30 °C.
Dry
Adjust by 1 °C between 18 °C and 30 °C.
Fan
You cannot control the temperature.
NOTE
You can use the Cool and Dry modes in the following
conditions:
Mode
Cool
Dry
Indoor
temperature
16 °C to 32 °C
18 °C to 32 °C
Outdoor
temperature
15 °C to 52 °C
15 °C to 52 °C
Indoor humidity
80% or less
relative humidity
_
• If the air conditioner operates in a high humidity
environment in the Cool mode for an extended period of
time, condensation may occur.
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Controlling fan speed
You can select the following fan speeds in each mode:
Mode
Available fan speeds
Auto/Dry
(Auto)
(Auto),
(Turbo)
Fan
(Low),
(Low),
(Med),
(High),
(Med),
(High),
(Turbo)
At a Glance
Cool
Controlling air flow direction
Vertical air flow
Keep the vertical air flow in a constant direction by stopping
the movements of the vertical air flow blade.
In operation ►
NOTE
• If you adjust the vertical air flow blade manually, it may
not close completely when you turn off the air conditioner.
Horizontal air flow (manual)
Keep the horizontal air flow in a constant direction by
changing the directions of the horizontal air flow blades
manually.
CAUTION
• To prevent personal injury, make sure that you change the
directions of the horizontal air flow blades after stopping
the movements of the vertical air flow blade.
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Power Smart Features
Cooling Operation
The smart and powerful cooling functions of the Samsung air conditioner keep an enclosed
space cool and comfortable.
Cool mode
Use the Cool mode to stay cool in hot weather.
►
► Select Cool.
NOTE
• For comfort, keep the temperature difference between the
indoor and outdoor air within 5 °C in the Cool mode.
Power Smart Features
• After selecting the Cool mode, select a function,
temperature, and fan speed that you want to apply.
–– To cool your room quickly, select a low temperature
and a strong fan speed.
–– To save energy, select a high temperature and a weak
fan speed.
2-Step cooling function
Use the 2-Step cooling function to quickly reach the set
temperature. The air conditioner automatically adjusts the
fan speed and air flow direction. You can select this function
only when the Cool mode is running.
In the Cool mode ►
►
►
Select 2-Step. ►
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Dehumidifying Operation
The dehumidifying function of the Samsung air conditioner keeps an enclosed space dry and
comfortable.
Dry mode
Use the Dry mode in rainy or humid weather.
►
► Select Dry.
NOTE
• The lower the set temperature is, the greater the
dehumidifying capacity is. When the current humidity
seems to be high, adjust the set temperature to a low
temperature.
Power Smart Features
• You cannot use the Dry mode for heating. The Dry mode is
designed to produce a cooling side-effect.
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Quick Smart Features
There is a variety of extra functionality provided by the Samsung air conditioner.
Auto mode
Use the Auto mode when you want the air conditioner to
automatically control the operation. The air conditioner will
provide the most comfortable atmosphere that it can.
►
► Select Auto.
NOTE
Power Smart Features
• When the indoor temperature seems to be higher or
lower than the set point, the air conditioner automatically
produces cool air to cool down the indoor temperature.
Fan mode
Use the Fan mode to run the air conditioner like a common
fan. The air conditioner provides a natural breeze.
►
► Select Fan.
NOTE
• If the air conditioner will not be used for an extended
period of time, dry the air conditioner by running it in the
Fan mode for 3 or 4 hours.
• The outdoor unit is designed not to operate in the Fan
mode to prevent cold air from entering through the unit.
This is a normal operation and not a fault with the air
conditioner.
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Fast function
Use the Fast function to quickly cool your room. This
function is the most powerful cooling function provided by
the air conditioner. You can select this function in the Cool
mode.
In the Cool mode ►
►
►
Select Fast. ►
• If you select the Fast function while such functions as
2-Step cooling, Comfort, Single user, or good'sleep are
running, these functions are cancelled.
• You can change the air flow direction.
• You cannot change the set temperature and the fan speed.
Power Smart Features
NOTE
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Comfort function
Use the Comfort function when you feel the current cooling
effect is too strong. The air conditioner provides a mild
cooling. You can select this function in the Cool mode.
In the Cool mode ►
►
►
Select Comfort. ►
Power Smart Features
NOTE
• You can change the set temperature and the air flow
direction.
• You cannot change the fan speed.
• If you select the Comfort function while such functions as
2-Step cooling, Fast, Single user, or good'sleep are running,
these functions are cancelled.
• If you feel cooling effect in the Comfort function is weak,
cancel the Comfort function.
Beep sound function
Use the Beep sound function to turn on or off the beep
sound that plays when you press a button on the remote
control.
►
► Select Beep. ►
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Energy-Saving Operation
The smart energy-saving functions of the Samsung air conditioner reduce electricity
consumption.
Single user function
Use the Single user function to reduce electricity
consumption while staying cool. You can select this function
in the Cool mode.
In the Cool mode ►
NOTE
• When the Single user function starts, the
pattern
appears on the remote control for a few seconds, and
vertical air swing begins automatically.
• If you select the Single user while such function as 2-Step
cooling, Fast, Comfort, or good'sleep are running, these
modes are cancelled.
• When the Single user function is turned on in the Cool
mode while the set temperature is set to lower than 24 °C,
the set temperature is automatically raised to 24 °C. But if
the set temperature is set to between 25 °C and 30 °C, it
remains the same.
• Even after you turn off the Single user function, vertical
air swing continues until you turn it off with the Vertical
air swing (
) button.
Energy-Saving Features
• After selecting the Single user function, you can change
the set temperature (24 °C to 30 °C in the Cool mode), fan
speed, and vertical air flow direction.
• You can also start the Single user function by pressing the
Options (
) button.
In the Cool mode ►
►
►
Select Single user. ►
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Timed on/Timed off function
Use the Timed on/Timed off to turn on or off the air
conditioner after the time that you set.
(Select On or Off among On, Off, and
.) ►
(Set the on/off time.) ►
• Press the
(Timer) button to change the current function
between On, Off, and
(good’sleep).
(good’sleep) is
displayed in the Cool mode only.
NOTE
Energy-Saving Features
• You can set a time between 0.5 and 24 hours. Set the time
interval to 0.0 to cancel the Timed on/off function.
• Once you start the Timed on/off function, the Timer (
indicator is displayed on the indoor unit display.
)
• After starting the Timed on function, you can change the
mode and the set temperature. You cannot change the set
temperature while the Fan mode is running.
• You cannot set the same time for both of the Timed on
and Timed off functions.
Combining Timed on and Timed off
When
the air
conditioner
is off
Example) Timed on: 3 hours, Timed off: 5
hours
The air conditioner turns on after 3 hours
from the moment you start Timed on/
off, remains on for 2 hours, then turns off
automatically.
Example) Timed on: 3 hours, Timed off: 1 hour
When
The air conditioner turns off after 1 hour from
the air
the moment you start Timed on/off, then turns
conditioner
on after 2 hours from the moment it is turned
is on
off.
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good’sleep function
Use the good'sleep function to get a good sleep at night
and to save energy. You can select this function in the Cool
mode.
In the Cool mode ►
(Select
among ►
.)
On, Off, and
(Set the
►
operation time.)
• Press the
(Timer) button to change the current
function between On, Off, and
(good’sleep).
NOTE
• The recommended and optimal set temperatures in the
good’sleep function are as follows:
Mode
Recommended set
temperature
Optimal set
temperature
Cool
25 °C to 27 °C
26 °C
• Once you start the good’sleep function, the good’sleep(
indicator appears on the indoor unit display.
)
Energy-Saving Features
• You can adjust the set temperature by 1 °C between 16 °C
and 30 °C.
• You can set the operation time to between 0.5 and
12 hours. Set the operation time to 0.0 to cancel the
good’sleep function.
• The default operation time for the good’sleep function in
the Cool mode is 8 hours. If the operation time is set to
over 5 hours, the Wake up function begins 1 hour before
the set time. The air conditioner stops automatically when
the operation time expires.
• When the Timed on, Timed off, and good'sleep functions
are overlapped, the air conditioner operates its timer with
only the function that you have started most recently.
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Cleaning at a Glance
Running Auto clean
Cleaning duration
(minutes)
Auto (Cool),
Cool, Dry
30
Fan
15
NOTE
• When you set the Auto clean timer, Clean blinks and then disappears on the remote control
display. The Timer ( ) indicator also appears on the indoor unit display.
• When the air conditioner is off, Auto clean starts immediately when it is selected. When the
air conditioner is on, Auto clean starts as soon as the air conditioner stops running.
• During Auto clean, the indoor fan continues to run, and air flow blades remain open to expel
ambient air.
Cleaning the indoor unit exterior and outdoor unit heat exterior
Cleaning and Maintenance
Tepid damp cloth
Soft brush
Before cleaning, be sure to turn off the equipment
and disconnect the power plug.
Spray water to clean the dust.
CAUTION
• Do not clean the display by using alkaline detergent.
• Do not use sulphuric acid, hydrochloric acid, or organic solvents (such as thinner, kerosene,
and acetone) to clean the surfaces. Do not put any stickers on it as this can damage the
surface of the air conditioner.
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• When you clean and inspect the heat exchanger on the outdoor unit, contact the local
service centre for help.
• Make sure to prevent any injury from sharp edges of the surface when handling the heat
exchanger.
Cleaning the filter
Vacuum cleaner
Soft brush
30 minutes
Mild detergent
CAUTION
• Do not scrub the air filter with a brush or other cleaning utensil. This may damage the filter.
• Do not expose the air filter to direct sunlight when drying it.
• Clean the air filter every 2 weeks. Cleaning term may vary depending on the usage and
environmental conditions.
• If the air filter dries in a humid area, it may produce offensive odours. Clean it again and
dry it in a well-ventilated area.
Cleaning and Maintenance
NOTE
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Troubleshooting
If the air conditioner operates abnormally, refer to the following chart to save time and
unnecessary expenses.
Problem
Solution
• Check the power status, then operate the air conditioner again.
•
The air conditioner
does not work at
•
all.
•
I cannot change
the temperature.
Switch on the circuit breaker, plug in the power cord, then operate
the air conditioner again.
Make sure that the isolator is turned on.
Check whether the Timed off function is running. Operate the air
conditioner again by pressing the Power button.
• Check whether the Fan or Fast mode is running. In these modes, the
air conditioner controls the set temperature automatically, and you
cannot change the set temperature.
• Check whether the set temperature is higher in the Cool mode
than the current temperature. Press the Temperature button on the
remote control to change the set temperature.
• Check whether the air filter is blocked with dirt. If the air filter
is blocked, the cooling performance may decrease. Remove dirt
regularly.
• Check whether the outdoor unit is covered or installed near
Cool air does not
obstacles. Remove the coverings and obstacles.
come out of the air
• Check whether doors or windows are open. This may cause poor
conditioner.
cooling performance. Close the doors and windows.
Cleaning and Maintenance
• Check whether the air conditioner is turned on immediately after the
cooling operation stops. In this case, only the fan runs to protect the
outdoor unit compressor.
• Check whether the pipe length is too long. When the pipe length
exceeds the maximum pipe length, the cooling performance may
decrease.
I cannot change
the air flow
direction.
• Check whether the good'sleep function is running. While this
function is running, you cannot control the air flow direction.
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Problem
I cannot change
the fan speed.
Solution
• When the Auto, Dry, or Fast mode is running or the good'sleep
function is running in the Cool mode, the air conditioner controls
the fan speed automatically and you cannot change the fan speed.
• Replace the batteries in the remote control with new ones.
The remote control
does not work.
• Make sure that nothing is blocking the remote control sensor.
• Check whether there are strong lighting apparatus near the air
conditioner. Strong light which comes from fluorescent bulbs or
neon signs may interrupt the electric waves.
The Timed on/off
function does not
work.
• Check whether you pressed the SET button on the remote control
after setting the time.
The indicator
blinks
continuously.
• Press the Power button to turn off the air conditioner or disconnect
the power plug. If the indicator is still blinking, contact the service
centre.
Odours permeate
in the room during
operation.
• Check whether the air conditioner is running in a smoky area.
Ventilate the room or operate the air conditioner in the Fan
mode for 3 to 4 hours. (There are no components used in the air
conditioner that emit a strong odour.)
• Check whether the drains are clean. Clean them regularly.
• If the indoor unit indicator blinks, contact the nearest service
centre. Be sure to pass the error code to the service centre.
Noise is generated.
• When refrigerant flow changes, noise may be generated, depending
on the status of the air conditioner. This is a normal operation.
Water drops
from the pipe
connections of the
outdoor unit.
• Condensation may develop when the ambient temperature changes
excessively. This is a normal operation.
Cleaning and Maintenance
An error is
indicated.
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Technical Specifications
MODEL
AR18KCFHBWK/GU
CLIMATES CLASS
CAPACITY
COOLING
T1
T3
T1
T3
18000 Btu/h
15700 Btu/h
24000 Btu/h
20300 Btu/h
HEATING (H1)
RATED VOLTAGE & FREQUENCY
RATED
CURRENT
RATED POWER
INPUT
EER/COP
REFRIGERANT
-
-
220-240 V~ 50 Hz
220-240 V~ 50 Hz
9.0 A
COOLING
13.1 A
-
-
1900 W
2510 W
2240 W
HEATING (H1)
COOLING
11.5 A
10.0 A
HEATING (H1)
COOLING
AR24KCFHBWK/GU
2870 W
9.47 (Btu/h)/W
HEATING (H1)
7.01 (Btu/h)/W
9.56 (Btu/h)/W
-
7.07 (Btu/h)/W
R-22
TYPE
CHARGE
780 g [27.51 oz]
1280 g [45.15 oz]
ANNUAL ENERGY CONSUMPTION 1900 kWh/Year 2240 kWh/Year 2510 kWh/Year 2870 kWh/Year
INDOOR
TEMPERATURE
Cleaning and Maintenance
DIMENSIONS
OF THE UNIT
-
29 oC
-
27 oC
-
29 oC
-
19 C
-
19 C
-
19 C
-
19 C
-
35 C
-
46 C
-
35 C
-
46 C
-
24 C
-
24 C
-
24 C
-
24 C
-
o
o
OUTDOOR
NET WEIGHT
27 oC
o
o
o
o
o
o
o
o
o
o
INDOOR
11.6 kg
11.6 kg
OUTDOOR
32.0 kg
53.3 kg
INDOOR
1065 x 298 x 243 mm
1065 x 298 x 243 mm
OUTDOOR
720 x 548 x 265 mm
880 x 793 x 310 mm
COUNTRY OF ORIGIN
THAILAND
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Technical Specifications
MODEL
AR18KCFHRWK/GU
CLIMATES CLASS
CAPACITY
COOLING
T1
T3
T1
T3
18000 Btu/h
15700 Btu/h
24000 Btu/h
20300 Btu/h
HEATING (H1)
RATED VOLTAGE & FREQUENCY
RATED
CURRENT
COOLING
EER/COP
REFRIGERANT
-
-
220-240 V~ 50 Hz
220-240 V~ 50 Hz
9.0 A
10.0 A
HEATING (H1)
COOLING
RATED POWER
INPUT
HEATING (H1)
COOLING
AR24KCFHRWK/GU
11.5 A
13.1 A
1900 W
2240 W
2510 W
9.47 (Btu/h)/W
HEATING (H1)
2870 W
-
7.01 (Btu/h)/W
9.56 (Btu/h)/W
-
7.07 (Btu/h)/W
-
TYPE
R-22
CHARGE
780 g [27.51 oz]
1280 g [45.15 oz]
ANNUAL ENERGY CONSUMPTION 1900 kWh/Year 2240 kWh/Year 2510 kWh/Year 2870 kWh/Year
INDOOR
TEMPERATURE
OUTDOOR
NET WEIGHT
-
29˚C
-
27˚C
-
29˚C
-
19˚C
-
19˚C
-
19˚C
-
19˚C
-
35˚C
-
46˚C
-
35˚C
-
46˚C
-
24˚C
-
24˚C
-
24˚C
-
24˚C
-
INDOOR
11.6 kg
11.6 kg
OUTDOOR
34.3 kg
55.9 kg
INDOOR
1065 x 298 x 243 mm
1065 x 298 x 243 mm
OUTDOOR
720 x 548 x 265 mm
880 x 793 x 310 mm
COUNTRY OF ORIGIN
Cleaning and Maintenance
DIMENSIONS
OF THE UNIT
27˚C
THAILAND
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Safety Information on Installation
Carefully follow the precautions listed below because
they are essential to guarantee the safety of both the air
conditioner and the workers.
• Always disconnect the air conditioner from the power
supply before servicing it or accessing its internal
components.
• Verify that installation and testing operations are
performed by qualified personnel.
• Verify that the air conditioner is not installed in an
easily accessible area.
General information
• Carefully read the content of this manual before
installing the air conditioner and store the manual in
a safe place in order to be able to use it as reference
after installation.
• For maximum safety, installers should always
carefully read the following warnings.
• Store the operation and installation manual in a safe
location and remember to hand it over to the new
owner if the air conditioner is sold or transferred.
• This manual explains how to install an indoor unit
with a split system with two SAMSUNG units. The use
of other types of units with different control systems
may damage the units and invalidate the warranty.
The manufacturer shall not be responsible for
damages arising from the use of non compliant units.
• In order to help prevent electric shocks, fires or
injuries, always stop the unit, disable the protection
switch and contact SAMSUNG’s technical support if
the unit produces smoke, if the power cable is hot or
damaged or if the unit is very noisy.
• Always remember to inspect the unit, electric
connections, refrigerant tubes and protections
regularly. These operations should be performed by
qualified personnel only.
• The unit contains moving parts, which should always
be kept out of the reach of children.
• Do not attempt to repair, move, alter or reinstall the
unit. If performed by unauthorised personnel, these
operations may cause electric shocks or fires.
• Do not place containers with liquids or other objects
on the unit.
• All the materials used for the manufacture and
packaging of the air conditioner are recyclable.
• The packing material and exhaust batteries of the
remote control (optional) must be disposed of in
accordance with current laws.
• The air conditioner contains a refrigerant that has
to be disposed of as special waste. At the end of its
life cycle, the air conditioner must be disposed of in
authorised centres or returned to the retailer so that
it can be disposed of correctly and safely.
Installation of the unit
Installation
• This product has been determined to be in compliance
with the Low Voltage Directive (2006/95/EC) and the
Electromagnetic Compatibility Directive (2004/108/
EC) of the European Union.
• IMPORTANT: When installing the unit, always
remember to connect first the refrigerant tubes, then
the electrical lines. Always disassemble the electric
lines before the refrigerant tubes.
• The manufacturer shall not be responsible for damage
originating from unauthorised changes or the
improper connection of electric and requirements set
forth in the “Operating limits” table, included in the
manual, shall immediately invalidate the warranty.
• Upon receipt, inspect the product to verify that
it has not been damaged during transport. If the
product appears damaged, DO NOT INSTALL it and
immediately report the damage to the carrier or
retailer (if the installer or the authorised technician
has collected the material from the retailer.)
• The air conditioner should be used only for the
applications for which it has been designed: the
indoor unit is not suitable to be installed in areas
used for laundry.
• Do not use the units if damaged. If problems occur,
switch the unit off and disconnect it from the power
supply.
• After completing the installation, always carry out a
functional test and provide the instructions on how to
operate the air conditioner to the user.
• Do not use the air conditioner in environments with
hazardous substances or close to equipment that
release free flames to avoid the occurrence of fires,
explosions or injuries.
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• Our units must be installed in compliance with the
spaces indicated in the installation manual to ensure
either accessibility from both sides or ability to
perform routine maintenance and repairs. The units’
components must be accessible and that can be
disassembled in conditions of complete safety either
for people or things. For this reason, where it is not
observed as indicated into the Installation Manual,
the cost necessary to reach and repair the unit (in
safety, as required by current regulations in force)
with slings, trucks, scaffolding or any other means of
elevation won’t be considered in-warranty and will be
charged to end user.
• When installing the outdoor unit at the seaside, make
sure that it is not directly exposed to sea breeze. If
you cannot find an adequate place free from direct
sea breeze, construct a protection wall or a protective
fence.
–– Install the outdoor unit in a place (such as near
buildings etc.) where it can be protected from sea
breeze. Failure to do so may cause a damage to
the outdoor unit.
Sea breeze
Sea breeze
Outdoor unit
Sea
Sea
Outdoor unit
• If you cannot avoid installing the outdoor unit at the
seaside, construct a protection wall around to block
the sea breeze.
Sea breeze
Sea
• Be sure to clean the sea water and the dust on the
heat exchanger of the outdoor unit and apply a
corrosion inhibitor on it. (At least once in a year.)
Power supply line, fuse, or circuit
breaker
• Always make sure that the power supply is compliant
with current safety standards. Always install the air
conditioner in compliance with current local safety
standards.
• Always verify that a suitable grounding connection is
available.
• Verify that the voltage and frequency of the power
supply comply with the specifications and that the
installed power is sufficient to ensure the operation
of any other domestic appliance connected to the
same electric lines.
• Always verify that the cut-off and protection switches
are suitably dimensioned.
• Verify that the air conditioner is connected to the
power supply in accordance with the instructions
provided in the wiring diagram included in the
manual.
• Always verify that electric connections (cable entry,
section of leads, protections…) are compliant with
the electric specifications and with the instructions
provided in the wiring scheme. Always verify that all
connections comply with the standards applicable to
the installation of air conditioners.
Installation
• Construct a protection wall with a solid material such
as concrete to block the sea breeze. Make sure that
the height and the width of the wall are 1.5 times
larger than the size of the outdoor unit. Also, secure
a space larger than 600 mm between the protection
wall and the outdoor unit for exhausted air to
ventilate.
smoothly.
• If you have any difficulty finding installation location
as prescribed above, contact your manufacturer for
details.
Protection wall
Outdoor unit
Outdoor unit
Protection wall
• Install the unit in a place where water can drain
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Preparation
Step 1.1 Choosing the installation
location
CAUTION
• Comply with the length and height limits described in
the figure above.
Overview of installation location requirements
Minimum clearances for the outdoor unit
Wall
100 mm or more
125 mm
or more
125 mm
or more
Minimum clearance in mm
300
Drain hose hole
You can select the direction of
draining (left or right).
600
Maximum pipe height: 15 m
Maximum pipe length: 30 m
Air flow direction
Make at least one round to
reduce noise and vibration.
Top view
Side view
When installing 1 outdoor unit (6 cases)
(Unit: mm)
1500
300
The actual units may look different from
the images depicted here.
Maximum
✴✴18✴✴
3
15
7
✴✴24✴✴
3
20
8
Installation
Outdoor
Unit
Outer wall
Indoor
Unit
Cut insulation to have
rainwater drained
CAUTION
Make a U-trap (A) on the
pipe (which is connected to
the indoor unit) at outer wall
and cut the bottom part of
the insulation (about 10 mm)
to prevent rainwater from
getting inside through the
insulation.
150
300
1500
2000
600
300
Pipe height
Maximum
1500
Pipe length
Minimum
500
Model
300
(Unit : m)
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When installing more than 1 outdoor unit (5 cases)
(Unit: mm)
Unpacking the unit as below procedure
1 Open the packing case.
2 Take out the both side of cushion(Left and Right).
3 Move the set from the packing case.
600
3000
3000
200
1 Put the outdoor unit onto the cushion-bottom.
1500
600
600
Outdoor unit
Packing the unit as below procedure
300
1500
2 Put the cushion-top onto the outdoor unit
3 Put the packing case from the top of set.
1500
4 Seal the packing case.
Unpacking the unit as below procedure
300
1 Take out the packing case from the set.
600
500
300
600
600
300
2 Take out the cushion-top.
3 Move the set from the cushion-bottom
Step 1.3 Checking and preparing
accessories and tools
500
Accessories
300
Accessories in the indoor unit package
Installation plate (1)
Remote control (1)
Remote control holder (1)
Remote control battery (2)
User and Installation Manual
(1)
M4 x 12 tapping screw (2)
CAUTION
• If the outdoor unit is installed with any insufficient
clearance, it may generate sound and affect the whole
product.
Step 1.2 Packing and Unpacking
Indoor unit
Installation
• Be sure to install the outdoor unit in a level place
where its vibration does not affect the whole product
Packing the unit as below procedure
1 Put the indoor unit onto the packing case.
2 Assemble cushion-both side of indoor unit. (Left and
Right)
3 Seal the packing case.
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Optional accessories
NOTE
Insulated assembly pipe,
Ø 6.35 mm (1)
Insulated assembly pipe,
Ø 15.88 mm (1)
✴✴24✴✴
• A flare nut is attached to the end of each pipe of an
evaporator or a service port. Use flare nuts when
connecting the pipes.
• Wire assembly cables are optional. If they are not
supplied, use standard cables.
Insulated assembly pipe,
Ø 12.70 mm (1)
Drain Hose, 2 m long (1)
✴✴18✴✴
• The drain plug and the rubber legs are included
only when the air conditioner is supplied without
assembly pipes.
• If these accessories are supplied, they are in the
accessory package or outdoor unit package.
Tools
Pipe clamp A (3)
Pipe clamp B (3)
General tools
• Vacuum pump
(Backward flowing prevention)
Vinyl tape (2)
Putty 100 g (1)
• Manifold gauge
• Stud finder
• Torque wrench
PE T3 foam tube insulation
(1)
• Pipe cutter
M4 x 25 tapped screw (6)
• Reamer
• Pipe bender
• Spirit level
Drain plug (1)
Cement nail (6)
• Screwdriver
• Spanner
• Drill
• L-wrench
3-wire assembly cable (1)
• Measuring tape
Tools for test operation
• Thermometer
Accessories in the outdoor unit package
• Resistance meter
Installation
• Electroscope
Rubber leg (4)
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Step 1.4 Drilling a hole through the
wall
Before fixing the installation plate to a wall and then
fixing the indoor unit to the installation plate, a window
frame, or a gypsum board, you must determine the
position of a hole (with 65 mm inner diameter) through
which the pipe bundle (consisting of power and
communication cables, refrigerant pipes, and drain hose)
will pass and then drill that hole.
1 Determine the position of a 65 mm hole in
consideration of the possible directions of the pipe
bundle and the minimum distances between the hole
and the installation plate.
2 Drill the hole.
CAUTION
• Be sure to drill only one hole.
• Make sure that the hole slants downwards so that the
drain hose slants downwards to drain water well.
Wall
Indoor unit
Drain hose
<The hole slants downwards>
Left
Right
Rear right or left
Step 1.5 Taping the pipes, cables, and
drain hose
1 Wrap foam insulation on parts without insulation
on the ends of the refrigerant pipes, as shown in
the figure. This wrapping minimises condensation
problem.
Bottom right
<Possible directions of the pipe bundle>
Insulation
CAUTION
• If changing the pipe direction from left to right,
do not drastically bent it but slowly turn it in the
opposite direction as shown. Otherwise, the pipe may
be damaged in the process.
Refrigerant pipes
2 Wind the refrigerant pipes, power cable,
communication cable and drain hose with vinyl tape
to make a pipe bundle.
Pipe bundle hole
Refrigerant pipes
(assembly pipe)
Vinyl tape
<Minimum distances between the
hole and the installation plate>
(Unit : mm)
Model
A
B
C
D
✴✴18/24✴✴
38
126
70
38
Power and communication cables
(assembly cable)
Installation
Installation plate
Drain hose
Pipe bundle hole: Ø 65 mm
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Indoor Unit Installation
Step 2.1 Connecting the cables
(assembly cable)
• When performing electrical and earthing works,
be sure to comply with the 'technical standards of
electrical installations' and the 'wiring regulations' in
the local regulations.
• Tighten the terminal block screw to 1.2-1.8 N•m (1.21.8 kgf•cm).
NOTE
• Each wire is labelled with the corresponding terminal
number.
• Use shield cable (Category 5; less than 50pF/m) for
noisy environmental site.
Control box
Before
connecting
Correct
Upside down
Damaged
Non-circular
• Power supply cords of parts of appliances for
outdoor use shall not be lighter than polychloroprene
sheathed flexible cord. (Code designation IEC: 60227
IEC53/CENELEC: H05VV-F, 60245 IEC66/CENELEC:
H07RN-F)
• Power & Communication cable shall not exceed 30m.
After
connecting
Correct
(Front view)
Correct
(Side view)
Upside down
Non-fitted
• For the terminal block wiring, use a wire with a
ring terminal socket only. Regular wires without
a ring terminal socket may become a hazard due
to overheating of the electrical contact during
installation.
<Circular terminal>
N(1)
CAUTION
• If you need to extend the pipe, be sure to extend
the cable, too. The maximum length of each of the
cable and pipe used should not exceed 15 metres
(✴✴18✴✴) and 20 metres (✴✴24✴✴).
1
• Do not connect two or more different cables to
extend the length. This connection may cause fire.
• Each circular terminal must match the size of its
corresponding screw in the terminal block.
Fasten the screws for the wire holders.
Installation
Power cable
(Indoor unit)
3G X 2.5 mm², H05VV-F
Indoor-to-outdoor
power cable
3G X 2.5 mm², H07RN-F
Type GL
25A
• After connecting the cables, make sure that terminal
numbers on the indoor and outdoor units match.
• Ensure that power and communication cables are
separated, they must not be in the same cable.
WARNING
• Connect the wires firmly so that wires cannot be
pulled out easily. (If they are loose, it could cause
burn-out of the wires.)
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Step 2.2 Optional: Extending the
power cable
1 Prepare a compressor and the following tools.
Tools
Spec
Crimping pliers
MH-14
Connection sleeve
(mm)
20xØ7.0
(HxOD)
Insulation tape
Width 18
mm
Contraction tube
(mm)
50xØ8.0
(LxOD)
4 Using a compressor, compress the two points and flip it
over and compress another two points in the same location.
• The compression dimension should be 8.0.
Shape
Compression
dimension
• After compressing it, pull both sides of the wire to
make sure it is firmly pressed.
Method 1
Method 2
Compress it 4 times.
Compress it 4 times.
5 mm
5 mm
2 As shown in the figure, peel off the shields from the
rubber or wire of the power cable.
• Peel off 20 mm of the wire shields of the tube
installed already.
CAUTION
• For information about the power cable
specifications for indoor and outdoor units, refer
to the installation manual.
• After peeling off the tube wire, you must insert a
contraction tube.
5 Wrap it with the insulation tape twice or more and
position your contraction tube in the middle of the
insulation tape.
A total of three or more layers of insulation is
required.
Method 1
Method 2
Insulation tape
Insulation tape
Power cable (provided by us)
40 mm
20
20
35 mm
20
60
120
180
Contraction tube
(Unit: mm)
Wire tube power cable
6 Apply heat to the contraction tube to contract it.
20
(Unit: mm)
• Method 1: Push the core wire into the sleeve from
both sides.
• Method 2: Twist the wire cores together and push
it into the sleeve.
Method 1
Connection sleeve
Method 2
Connection sleeve
7 After tube contraction work is completed, wrap it with
the insulation tape to finish..
• Make sure that the connection parts are not
exposed to outside.
• Be sure to use insulation tape and a contraction
tube made of approved reinforced insulating
materials that have the same level of withstand
voltage with the power cable. (Comply with the
local regulations on extensions.)
Installation
3 Insert both sides of core wire of the power cable into
the connection sleeve.
Insulation tape
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WARNING
CAUTION
• In case of extending the
electric wire, please DO
NOT use a round-shaped
pressing socket.
• Make sure that the indoor unit is in upright position
when you pour water to check for leakage. Make sure
that the water does not overflow onto the electrical
part.
• Incomplete wire connections
can cause electric shock or a fire.
• If the diameter of the connection hose is smaller than
the product's drain hose, water leakage may occur.
Step 2.3 Installing and connecting
the drain hose
1 Install the drain hose.
• Inadequate installation may cause water leakage.
• If the drain hose is routed inside the room, insulate
the hose so that dripping condensation does not
damage the furniture or floors.
• Do not box in or cover the drain hose connection.
Drain hose connection must be easily accessible and
serviceable.
Drain hose
Assembly pipe
Connection hose
Step 2.4 Optional: Extending the
drain hose
Drain hose (A)
Extension drain hose (B)
Wall
Indoor unit
Drain hose
Slant downwards
Water
Slant upwards
Dipped in water
(A)
5 cm
less
Bent
Too small
clearance
Drain hose
(B)
Extension drain hose
Ditch
Too small
clearance
Installation
2 Pour water into the drain pan. Check whether the
hose is well drained.
20 mm or more
Foam insulation
Vinyl tape
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Step 2.5 Optional: Changing the
direction of the drain hose
Drain pan outlet
Rubber cap
Pour water in the direction of arrow.
Step 2.6 Installing and connecting
the assembly pipes to the refrigerant
pipes (assembly pipe)
Connect indoor and outdoor units with field-supplied
copper pipes by means of flare connections. Use
insulated seamless refrigeration grade pipe only,
(Cu DHP type according to ISO1337), degreased and
deoxidized, suitable for operating pressures of at least
4200 kPa and for burst pressure of at least 20700 kPa.
Under no circumstances must sanitary type copper pipe
be used.
There are 2 refrigerant pipes of different diameters:
• The smaller one is for the liquid refrigerant
• The larger one is for the gas refrigerant
<Front view>
A short liquid refrigerant pipe and a short gas
refrigerant pipe are already fitted to the air conditioner.
The connection procedure for the refrigerant pipes
varies according to the exit position of each pipe when
facing the wall:
Direction of the drained water
Left
<Side view>
Right
<Front view>
Underside
CAUTION
Rear right or left
<Side view>
Installation
• Make sure that the indoor unit is in upright position
when you pour water to check for leakage. Make sure
that the water does not overflow onto the electrical
part.
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1 Cut out the appropriate knock-out piece (A, B, C) on
the rear of the indoor unit unless you connect the
pipe directly from the rear.
Step 2.7 Shortening or extending the
refrigerant pipes (assembly pipe)
2 Smooth the cut edges.
3 Remove the protection caps of the pipes and connect
the assembly pipe to each pipe. Tighten the nuts first
with your hands, and then with a torque wrench,
applying the following torque:
Outer diameter (mm)
Torque (N•m)
Torque (kgf•cm)
ø 6.35
14 to 18
140 to 180
ø 9.52
34 to 42
350 to 430
ø 12.70
49 to 61
500 to 620
ø 15.88
68 to 82
690 to 830
Pipe cutter
Pipe
90°
Oblique
Rough
Burr
NOTE
• If you want to shorten or extend the pipes, see
Step 2.7 Shortening or extending the refrigerant
pipes (assembly pipe) on page 40.
D
90°±2°
A
4 Cut off the remaining foam insulation.
45°±2°
L
5 If necessary, bend the pipe to fit along the bottom
of the indoor unit. Then pull it out through the
appropriate hole.
• The pipe should not project from the rear of the
indoor unit.
• The bending radius should be 100 mm or more.
6 Pass the pipe through the hole in the wall.
NOTE
• The pipe will be insulated and fixed permanently into
position after finishing the installation and the gas
leak test. For further details. see Step 4.1 Performing
the gas leak tests on page 46.
R 0.4 to 0.8
Pipe
Flare
D
(Unit: mm)
Outer diameter (D)
Depth (A)
Flare dimension (L)
ø 6.35
1.3
8.7 to 9.1
ø 9.52
1.8
12.8 to 13.2
ø 12.70
2.0
16.2 to 16.6
ø 15.88
2.2
19.3 to 19.7
Flare nut
Installation
CAUTION
• Tighten the flare nut with a torque wrench according
to specified method. If the flare nut is over-tightened,
the flare may break and cause refrigerant gas
leakage.
• Do not box in or cover the pipe connection. All
refrigerant pipe connection must be easily accessible
and serviceable.
Indoor outlet pipe
Connecting pipe
Outer diameter (mm) Torque (N•m)
Torque (kgf•cm)
ø 6.35
14 to 18
140 to 180
ø 9.52
34 to 42
350 to 430
ø 12.70
49 to 61
500 to 620
ø 15.88
68 to 82
690 to 830
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Step 2.8 Fixing the installation plate
CAUTION
• If you need a pipe longer than specified in piping
codes and standards, you must add refrigerant to the
pipe. Otherwise, the indoor unit may freeze.
• While removing burrs, put the pipe face down to
make sure that the burrs do not get in to the pipe.
Liquid service port
<High pressure>
You can install the indoor unit on a wall, window frame,
or gypsum board.
WARNING
• Make sure that the wall, window frame, or gypsum
board can withstand the weight of the indoor unit. If
you install the indoor unit in a place where it is not
strong enough to withstand the unit's weight, the unit
could fall and cause injury.
When fixing the indoor unit on a wall
Gas service port
<Low pressure>
Fix the installation plate to the wall giving attention to
the weight of the indoor unit.
Plastic anchor
20 mm
Wall
(Unit : mm)
Correct
Model
A
B
C
D
✴✴18/24✴✴
38
126
70
38
Pipe bundle hole: Ø 65 mm
Inclined
Cracked
Uneven
thickness
Damaged
surface
<Flare nut>
NOTE
CAUTION
• Tighten the flare nut at the specified torque. If the
flare nut is over-tightened, it may break to cause
leakage of refrigerant gas.
When fixing the indoor unit on a window frame
1 Determine the positions of the wooden uprights to be
attached to the window frame.
2 Attach the wooden uprights to the window frame
giving attention to the weight of the indoor unit.
Installation
• Excessive torque may cause gas leakage. When
extending the pipe with welding or brazing, ensure
that nitrogen is used during the welding or brazing
process. The joint must be accessible and serviceable.
NOTE
• If you mount the plate to a concrete wall using plastic
anchors, make sure that gaps between the wall and
the plate, created by projected anchor, is less than 20
mm.
3 Attach the installation plate to the wooden upright
using tapping screws.
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When fixing the indoor unit on a gypsum board
1 Use stud finder to find out locations of the studs.
2 Fix the plate hanger on two studs.
CAUTION
• If you fix the indoor unit on a gypsum board, use
only specified anchor bolts on reference positions.
Otherwise, the gypsum surrounding the joints may
crumble over time and cause the screws to be
loosened and stripped. This may lead to physical
injury or equipment damage.
• Search for other spots if there are less than two studs,
or the distance between the studs are different from
the plate hanger.
• Fix the installation plate without inclining to one side.
Installation
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Outdoor Unit Installation
Step 3.1 Fixing the outdoor unit in
place
NOTE
• Make sure that the wall can support the weights of
the rack and the outdoor unit.
• Install the rack close to the column as much as
possible.
X
Y
Step 3.2 Connecting the cables and
the refrigerant pipes
Rubber leg
(Unit : mm)
Model
X
Y
✴✴18✴✴
507
292
✴✴24✴✴
660
340
N(1)
1
1 Place the outdoor unit as directed on the top of the
unit to let the discharged air out properly.
2 Fix the outdoor unit in level to an appropriate support
using anchor bolts.
NOTE
• Secure the rubber legs to help prevent the generation
of noise and vibration.
• If the outdoor unit is exposed to strong winds, install
shield plates around the outdoor unit so that the fan
can operate correctly.
CAUTION
• Be sure to fix the power cables and communication
cable with a cable clamp.
Optional: Fixing the outdoor unit to a wall with
a rack
Soft rubber designed to cut off vibration from
rack to wall (not supplied with product)
Installation
Soft rubber designed to cut off residual vibration from
outdoor unit to rack (not supplied with product)
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CAUTION
Control box
Remove the screw for the
control box cover
• When installing, make sure there is no leakage. When
recovering the refrigerant, ground the compressor
first before removing the connection pipe. If the
refrigerant pipe is not properly connected and the
compressor works with the stop valve open, the pipe
inhales the air and it makes the pressure inside of
the refrigerant cycle abnormally high. It may cause
explosion and injury.
1 Leave the system in the standby mode.
WARNING
Remove the gas and liquid
service port caps
For connecting the
refrigerant pipes
• Do not turn on the system! This is necessary for
better vacuum operation (full OPEN position of
Electronic Expansion Valve).
2 Connect the charging hose of the low pressure side
of manifold gauge to a gas service port as seen in the
picture.
Gas service port
<Low pressure>
3
Liquid service port
<High pressure>
Connect the gas and liquid
refrigerant pipes
Valve
15 minutes
4
Vacuum
Pump
(Backward flowing prevention)
Step 3.3 Evacuating the air
Installation
The outdoor unit is loaded with sufficient R-22
refrigerant. You should evacuate the air in the indoor
unit and in the pipe. If air remains in the refrigerant
pipes, it affects the compressor. It may cause reduction
of cooling capacity and malfunction. Use a vacuum
pump.
Liquid service port <Low pressure>
5
Liquid service port <High pressure>
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3 Open the valve of the low pressure side of manifold
gauge anticlockwise.
4 Evacuate the air in the connected pipes using the
vacuum pump for about 15 minutes.
• Make sure that pressure gauge shows -0.1 MPa
(-76 cmHg, 5 torr) after about 10 minutes. This
procedure is very important to avoid a gas leak.
• Close the valve of the low pressure side of
manifold gauge clockwise.
• Turn off the vacuum pump.
• Check for 2 minutes if there is any pressure
change.
• Remove the hose of the low pressure side of
manifold gauge.
5 Set a valve cork of liquid and gas service port to the
open position.
Step 3.4 Adding refrigerant
If you use a pipe longer than the length specified in
the piping codes and standards, you must add 20 g of
refrigerant R-22 for each extra meter. If you use a pipe
shorter than the length specified in the piping codes and
standards, the evacuating time is normal. Refer to the
Service Manual for further details.
CAUTION
• The remaining air in the Refrigeration cycle, which
contains moisture, may cause malfunction on the
compressor.
• Always contact the service centre or a professional
installation agency for product installation.
Installation
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Installation Inspection
Test parts for the
indoor unit
Step 4.1 Performing the gas leak
tests
1 Before inspecting the leakage, use a torque wrench
to close the cap for the stop valve. (Comply with a
tightening torque for each size of the diameter, and
tighten the cap firmly to prevent any leakage.)
Test parts for the
indoor unit
Tightening torque for body cap
(Refer to the table)
Charging core
Step 4.2 Running the Smart Install
mode
1 Make sure that the air conditioner is in the standby
status.
Spindle
R-22: Thread of the screw - 7/16-2OUNF
R-410A: Thread of the screw -1/2-2OUNF
Tightening torque for charging port cap (Refer to the table)
Outer diameter
(mm)
Tightening torque
Body cap
(N•m)
ø 6.35
20 to 25
ø 9.52
20 to 25
ø 12.70
25 to 30
ø 15.88
30 to 35
Over ø 19.05
35 to 40
2 Hold down the
(Power),
(Mode), and
(SET)
buttons on the remote control simultaneously for 4
seconds.
3 Wait until Smart Install mode succeeds or fails. It
takes approximately 7 to 13 minutes.
• While Smart Install mode is proceeding:
Charging port cap (N•m)
Type
Display
LED Display
LED3
LED2
10 to 12
LED1
Indoor
unit
indicator
( 1 N•m = 10 kgf•cm )
2 Insert inert gas into the pipes connected to indoor
and outdoor units.
3 Test leakage on the connection parts of the indoor
and outdoor units with soap lather or liquid.
The progress is
displayed as a
number between
0 and 99 on
the indoor unit
display.
The LEDs on the
indoor unit display
blink in sequence,
then all of them blink
simultaneously. These
operations repeat.
Installation
• When Smart Install mode succeeds: Smart Install
mode ends with ringing sound, and the air
conditioner is in standby status.
• When Smart Install mode fails: An error message
is displayed on the indoor unit display, and Smart
Install mode ends.
NOTE
Test parts for the
indoor unit
• Smart Install mode can be operated only with the
supplied remote control.
• During the Smart install mode procedure, remote
control cannot be operated.
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Test parts for the
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When error occurs, take necessary measures by referring to the following table. For more information on necessary
measures for errors, refer to the service manual.
Error indicator
LED Display
LED 1 LED 2
Display
LED 3
Error
Measures for the installer to take
/
,
display and
all LEDs blink.
Communication
error between
indoor and outdoor
units
• Check the connection wire between the
indoor and outdoor units (whether the
power cable or communication cable is
crossed or not).
Error on indoor
temperature sensor
• Check the connection of the connector.
Error on indoor heat
exchanger
• Check the connection of the connector.
Error on indoor fan
motor
• Check the connection of the connector.
EEPROM/Option
error
• Re-set options.
Refrigerant flow
blocking error
• Check if the stop valve is completely
open.
• Remove foreign substance. (Check for
the cause that restrains motor.)
,
• Check if there is any blockage in the
refrigerant pipe which connects the
indoor and outdoor units.
• Check for refrigerant leak.
❈
: Off,
: Blinking,
• Check if a sufficient amount of
refrigerant is additionally charged for
the pipe longer than specified in piping
codes and standards.
• Check for refrigerant leak between
valve and pipe connection.
Installation
❈This LED pattern
appears when an
error occurs on the
outdoor unit.
Lack of refrigerant
(for inverter models
only)
: On
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Step 4.3 Performing final check and
trial operation
1 Check the following:
4 Turn off the air conditioner and switch mains supply
off.
5 Disconnect tubing. After disconnection, protect valves
and tubing ends from dust.
• Strength of the installation site
• Tightness of pipe connection to detect gas leak
• Electric wiring connection
• Heat-resistant insulation of the pipe
CAUTION
• Compressor damage may occur if the compressor is
run at a negative suction pressure.
• Drainage
• Grounding conductor connection
Pumping down for removing the product
• Correct operation (Take the following steps.)
1 Turn on th air conditioner and select Fast Cool mode.
2 Press the
(Power) button on the remote control to
check the following:
• The indicator on the indoor unit lights up.
• The airflow blade opens and the fan gears up for
operation.
3 Press the
(Mode) button to select Cool mode. Then
take the following sub-steps:
• In Cool mode, use the Temperature button to set
the set temperature to 16 °C.
• Check whether, approximately 3 to 5 minutes later,
the outdoor unit starts, and a cool air blows out.
• After 12 minutes of stationary condition, check the
indoor unit air treatment.
4 Press the
(Air swing) button to check whether the
airflow blades work properly.
5 Press the
operation.
2 Let the compressor run for more than 5 minutes.
If the compressor does not operate for more than
5 minutes due to protection control, wait about 2
minutes, and then carry out the next procedure.
3 Release the valve caps on High and Low pressure
side.
4 Use L-wrench to close the valve on the high pressure
side.
5 After approximately 1 minute, close the valve on the
low pressure side.
6 Stop operation of the air conditioner by pressing
the
(Power) button on the indoor unit or remote
control.
7 Disconnect the pipes.
(Power) button to stop the trial
1
Pumping down refrigerant
Installation
Pump-down is an operation intended to collect all the
system refrigerant in the outdoor unit. This operation
must be carried out before disconnecting the refrigerant
tubing in order to avoid refrigerant loss to the
atmosphere.
1 Shut off the liquid valve with the Allen wrench.
1 minute
Liquid service port
<High pressure>
2 Turn on the air conditioner in cooling with fan
operating at high velocity. (Compressor will
immediately start, provided 3 minutes have elapsed
since the last stop.)
Gas service port
<Low pressure>
2
3 After 2 minutes of operation, shut the suction valve
with the same wrench.
Off
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Installation
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