Samsung AR09KVSPDGM, AR24KVSPDGM, AR12KVSPDGM, AR18KVSPDGM User manual

Samsung AR09KVSPDGM, AR24KVSPDGM, AR12KVSPDGM, AR18KVSPDGM User manual
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Air conditioner
User manual
ARKVSP
•• Thank you for purchasing this Samsung air conditioner.
•• Before operating this unit, please read this user manual carefully and retain it for future reference.
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
Air Purifying Operation
18
Virus doctor function
Quick Smart Features
19
Auto mode
Fan mode
Fast function
Comfort function
Beep sound function
Quiet function
Energy-Saving Features
22
Energy-Saving Operation
22
Single user function
Timed on/Timed off function
good’sleep function
Cleaning and Maintenance
25
Cleaning at a Glance
25
Troubleshooting27
2 English
Installation30
Safety Information on Installation
30
Preparation32
Step 1.1 Choosing the installation location
Step 1.2 Checking and preparing accessories and tools
Step 1.3 Drilling a hole through the wall
Step 1.4 Taping the pipes, cables, and drain hose
Indoor Unit Installation
36
Step 2.1 Connecting the power and communication 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
42
Step 3.1 Fixing the outdoor unit in place
Step 3.2 Connecting the power and communication cables and the refrigerant pipes
Step 3.3 Evacuating the air
Step 3.4 Adding refrigerant
Installation Inspection
45
Step 4.1 Performing the gas leak tests
Step 4.2 Performing final check and trial operation
English 3
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,
4 English
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.
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.
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.
CAUTION
English 5
Safety Information
it may cause fire.
Safety Information
Please cover the air conditioner with PE BAG after installation,
and remove it when you start to run air conditioner.
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
6 English
FOR USING
WARNING
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.
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.
English 7
Safety Information
during a thunder/lightning storm, cut the power at the circuit
breaker.
• Failing to do so may result in electric shock or fire.
Safety Information
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.
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
8 English
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.
CAUTION
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.
English 9
Safety Information
appliance, cut off the power supply and contact the nearest
service centre.
• Failing to do so may result in electric shock or fire.
Safety Information
• 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.
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.
10 English
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.
Correct Disposal of This Product
(Waste Electrical & Electronic Equipment)
(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.
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.
English 11
Safety Information
• Failing to do so may result in electric shock or fire.
Indoor Unit Overview
The actual product may differ slightly from the image depicted below.
05
01
At a Glance
02
03
04
06
07
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 Virus Doctor indicator
01
02 Timer indicator
Auto clean indicator
02
03 Operation indicator
04 Power button
03
05 Remote controller receiver
05
12 English
04
Remote Control Overview
01 Set temperature indicator
05
01
06
02
07
08
03
02 Timer option indicator
03 Operation mode indicator
04 Options indicator
05 Low battery indicator
At a Glance
06 Transmit indicator
04
07 Fan speed indicator
10
09
08 Vertical air swing indicator
15
09 Settings indicator
16
10 Power button
11 Temperature button
11
17
12 Options button
13 Timer button
14 Direction button / Selection button
12
18
19
13
15 Vertical air swing button
16 Mode button
17 Fan speed button
20
14
18 Single user button
19 Settings button
20 SET button
NOTE
Inserting batteries
• The descriptions in this manual are primarily
made based on the remote control buttons.
• Although d'light Cool / Usage / Filter Reset
/ Display/Heat are displayed on the remote
control display, they are not available on
this model.
two 1.5V AAA type batteries
English 13
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,
Fan, by pressing the
button.
At a Glance
Controlling temperature
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, Dry, modes in the following conditions:
Mode
Cool
Dry
Indoor
temperature
16 °C to 32 °C
18 °C to 32 °C
Outdoor
temperature
16 °C to 46 °C
16 °C to 46 °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.
14 English
Controlling fan speed
You can select the following fan speeds in each mode:
Mode
Auto/Dry
Available fan speeds
(Auto)
(Auto),
(Turbo)
Fan
(Low),
(Low),
(Med),
(High),
(Med),
(High),
(Turbo)
At a Glance
Cool
Controlling air flow direction
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.
English 15
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
Power Smart Features
• For comfort, keep the temperature difference between the
indoor and outdoor air within 5 °C in the Cool mode.
• 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.
–– As the indoor temperature approaches the set
temperature, the compressor will operate at a low speed
to save energy.
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. ►
16 English
►
►
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
• You cannot use the Dry mode for heating. The Dry mode is
designed to produce a cooling side-effect.
English 17
Power Smart Features
• 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.
Air Purifying Operation
The air purification function of the Samsung air conditioner keeps the air in an enclosed space purified.
Virus doctor function
Use the Virus doctor function to purify your room with positive ions
produced by the air conditioner. This function is available in the Auto, Dry,
Fan modes.
In the Auto, Cool, Dry, Fan
mode
Select
.
►
►
►
►
Power Smart Features
NOTE
• When the Virus doctor function starts, the Virus doctor lamp turns on
automatically.
• You can adjust the set temperature, except for in the Fan mode.
• When the Virus doctor function is additionally selected while a specific
mode is running, there is little difference in electricity consumption and
operating noise.
18 English
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.
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.
English 19
Power Smart Features
NOTE
• 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.
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 modes.
In the Cool mode
►
►
►
Select Fast. ►
Power Smart Features
NOTE
• If you select the Fast function while such functions as
2-Step cooling, Comfort, Single user, Quiet, 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.
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 modes.
In the Cool mode ►
►
►
Select Comfort. ►
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, Quiet, or good'sleep are
running, these functions are cancelled.
• If you feel cooling effect in the Comfort function is weak,
cancel the Comfort function.
20 English
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. ►
Use the Quiet function to reduce operating noise. You can
select this function in the Cool modes.
In the Cool mode
►
►
►
Select Quiet. ►
NOTE
• You can change the set temperature and the air flow
direction.
• You cannot change the fan speed.
• If you select the Quiet function while such functions as
2-Step cooling, Fast, Comfort, Single user, or good'sleep
are running, these functions are cancelled.
English 21
Power Smart Features
Quiet function
Energy-Saving Operation
If using a multi system, this function is not supported.
Single user function
Use the Single user function to reduce electricity consumption
while staying cool. You can select this function in the Cool
modes.
In the Cool mode
►
NOTE
Energy-Saving Features
• 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, Quiet, or good'sleep are running,
these modes are cancelled.
• 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.
• 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.
• You can also start the Single user function by pressing the
Options (
) button.
In the Cool mode ►
Select Single user. ►
22 English
►
►
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 modes only.
NOTE
• 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.
English 23
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.
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
modes.
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
Energy-Saving Features
• You can adjust the set temperature by 1 °C between 16 °C
and 30 °C.
• 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.
• 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.
24 English
Cleaning at a Glance
Running Auto clean
Cleaning duration
(minutes)
Auto (Cool), Cool,
Dry
30
Fan
15
Indoor unit display
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 and Maintenance
Cleaning the indoor unit exterior and outdoor unit heat exterior
Soft brush
Tepid damp cloth
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.
English 25
• 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.
• 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
Cleaning and Maintenance
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.
NOTE
• 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.
26 English
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.
• Switch on the circuit breaker, plug in the
power cord, then operate the air conditioner
The air
again.
conditioner does
not work at all.
• 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 mode than the current
temperature. Press the Temperature button
on the remote control to change the set
temperature.
Cool air does not
• Check whether the air filter is blocked with
come out of the
dirt. If the air filter is blocked, the cooling
air conditioner.
performance may decrease. Remove dirt
regularly.
• Check whether the outdoor unit is covered
or installed near obstacles. Remove the
coverings and obstacles.
English 27
Cleaning and Maintenance
I cannot change
the temperature.
Problem
Solution
• Check whether doors or windows are open.
This may cause poor cooling performance.
Close the doors and windows.
• Check whether the air conditioner is turned
Cool air does not
on immediately after the cooling operation
come out of the
stops. In this case, only the fan runs to
air conditioner.
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.
Cleaning and Maintenance
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.
I cannot change
the fan speed.
• 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.
The remote
control does not
work.
• Replace the batteries in the remote control
with new ones.
• 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.
28 English
Problem
Solution
• 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.
An error is
indicated.
• 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.
English 29
Cleaning and Maintenance
The Timed on/
off function
does not work.
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.
• 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
• 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.
• 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.)
• After completing the installation, always carry out a
functional test and provide the instructions on how to
operate the air conditioner to the user.
• 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 air conditioner in environments with
hazardous substances or close to equipment that release
free flames to avoid the occurrence of fires, explosions
or injuries.
• Do not use the units if damaged. If problems occur,
switch the unit off and disconnect it from the power
supply.
• 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,
• 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
30 English
installation
installation
• 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.
personnel only.
• The unit contains moving parts, which should always be
kept out of the reach of children.
• trucks, scaffolding or any other means of elevation
won’t be considered in-warranty and will be charged
to end user.
Power supply line, fuse, or circuit
breaker
• 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.
• 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.
–– 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
• 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.
Sea
Outdoor unit
Sea
Outdoor unit
• If you cannot avoid installing the outdoor unit at the
seaside, construct a protection wall around to block the
sea breeze.
• 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.
Sea breeze
• 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.
Protection wall
Outdoor unit
installation
Sea
• 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.
Outdoor unit
Protection wall
• Install the unit in a place where water can drain
smoothly.
• If you have any difficulty finding installation location
as prescribed above, contact your manufacturer for
details.
• 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.)
English 31
Preparation
Step 1.1 Choosing the installation
location
Overview of installation location requirements
CAUTION
• Comply with the length and height limits described in
the figure above.
Minimum clearances for the outdoor unit
100 mm or more
Wall
125 mm
or more
125 mm
or more
Minimum clearance in mm
Drain hose hole
300
You can select the direction of
draining (left or right).
600
Maximum pipe height: 7 /15 m
Maximum pipe length: 15/30 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)
The actual units may look different from
the images depicted here.
(Unit: mm)
3
30
15
Indoor
Unit
Cut insulation to have
rainwater drained
32 English
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.
2000
150
300
1500
7
18/24
Outer wall
Maximum
600
300
15
1500
Maximum
3
300
installation
Minimum
09/12
Outdoor Unit
1500
Pipe height
500
Model
300
(Unit : m)
Pipe length
Step 1.2 Checking and preparing
accessories and tools
When installing more than 1 outdoor unit (5 cases)
(Unit: mm)
Accessories
600
3000
3000
200
Installation plate (1)
Remote control (1)
600
Manual user & install (1)
Remote control battery
(2)
300
1500
600
Accessories in the indoor unit package
1500
300
1500
600
500
500
300
600
600
300
300
installation
CAUTION
• If the outdoor unit is installed with any insufficient
clearance, it may generate sound and affect the whole
product.
• Be sure to install the outdoor unit in a level place
where its vibration does not affect the whole product.
English 33
Optional accessories
NOTE
Insulated assembly pipe,
Ø 6.35 mm (1)
Insulated assembly pipe,
Ø 12.70 mm (1)
18
Drain Hose, 2 m long (1)
Insulated assembly pipe,
Ø 9.52 mm (1)
09/12
Insulated assembly pipe,
Ø 15.88 mm (1)
24
Foam Insulation(1)
• 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.
• 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)
Vinyl tape (2)
Pipe clamp B (3)
PE T3 foam tube
insulation (1)
General tools
• Vacuum pump
(Backward flowing
prevention)
• Manifold gauge
• Stud finder
Putty 100 g (1)
M4 x 25 tapped screw (6)
• Torque wrench
• Pipe cutter
• Reamer
Cement nail (6)
3-wire power cable (1)
4-wire assembly cable
09/12(1)
2-wire assembly cable
18/24(1)
• Pipe bender
• Spirit level
• Screwdriver
• Spanner
• Drill
• L-wrench
• Measuring tape
Tools for test operation
• Thermometer
• Resistance meter
installation
• Electroscope
3-wire assembly cable
18/24(1)
Step 1.3 Drilling a hole through the
wall
Accessories in the outdoor unit package
Rubber leg (4)
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.
34 English
2.Drillthehole.
CAUTION
Right
Left
• Besuretodrillonlyonehole.
• Makesurethattheholeslantsdownwardssothatthe
drainhoseslantsdownwardstodrainwaterwell.
Rearrightorleft
Wall
Bottomright
<Possible directions of the pipe bundle>
Indoorunit
CAUTION
• Ifchangingthepipedirectionfromlefttoright,donot
drasticallybentitbutslowlyturnitintheopposite
directionasshown.Otherwise,thepipemaybe
damagedintheprocess.
Pipebundlehole
Drainhose
<The hole slants downwards>
Step 1.4 Taping the pipes, cables, and
drain hose
1. Wrapfoaminsulationonpartswithoutinsulation
ontheendsoftherefrigerantpipes,asshownin
thefigure.Thiswrappingminimisescondensation
problem.
Insulation
<Minimum distances between the hole
and the installation plate>
(Unit:mm)
A
B
C
D
09/12
30
96
38
30
18/24
38
126
70
38
Pipebundlehole:Ø65mm
Refrigerantpipes
2. Windtherefrigerantpipes,powercable,
communicationcableanddrainhosewithvinyltape
tomakeapipebundle.
Installationplate
Refrigerantpipes
(assemblypipe)
Vinyltape
Powerandcommunication
cables(assemblycable)
Drainhose
English 35
installation
Model
Indoor Unit Installation
Step 2.1 Connecting the power and
communication 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 (1218 kgf•cm).
NOTE
• Each wire is labelled with the corresponding terminal
number.
Control box
• Use shield cable (Category 5; less than 50pF/m) for
noisy environmental site.
• Power supply cords of parts of appliances for outdoor
use shall not be lighter than polychloroprene sheathed
flexible cord. (Code designation IEC: 60245 IEC 66/
CENELEC: H07RN-F, IEC: 60245 IEC 57/CENELEC:
H05RN-F)
Before
connecting
Correct
Upside down
Correct
(Front view)
Correct
(Side view)
Damaged
Non-circular
• Power & Communication cable shall not exceed 30m.
CAUTION
After
connecting
Upside down
Non-fitted
<Circular terminal>
09/12
N(1) 1
18/24
1(L)2(N)
2
F1 F2
• 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.
• 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(09/12)
/30(18/24)metres.
• Do not connect two or more different cables to extend
the length. This connection may cause fire.
installation
• Each circular terminal must match the size of its
corresponding screw in the terminal block.
• After connecting the cables, make sure that terminal
numbers on the indoor and outdoor units match.
Fasten the screws for the wire holders.
Model
Power cable
Outdoor-toindoor power
cable
Communication
cable
Type GL
36 English
09/12
3G X AWG16
SJT
18/24
3G X 2.5 mm²,
H07RN-F
4G X 1.5 mm²,
H07RN-F
3G X 1.0 mm²,
H07RN-F
-
2G X 0.75 mm²,
H05RN-F
25A
20A
• 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.)
• Tighten the Holder Wire Clamp screw to 0.8~1.0 N•m
(8~10 kgf•cm)
Step 2.2 Optional: Extending the
power cable
1. Prepare a compressor and the following
tools.
Tools
Spec
Crimping
pliers
Connection
sleeve (mm)
Insulation
tape
Contraction
tube (mm)
20xØ7.0
(HxOD)
Width 18
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.
Compression
dimension
Shape
MH-14
• After compressing it, pull both sides of the wire to
make sure it is firmly pressed.
Method 1
Compress it 4 times
Method 2
Compress it 4 times
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.
Power cable
5 mm
5 mm
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
40 mm
20
20
20
60
35 mm
Contraction tube
120
180
20
(Unit: mm)
3. Insert both sides of core wire of the power
cable into the connection sleeve.
• 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
6. Apply heat to the contraction tube to
contract it.
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.)
Insulation tape
English 37
installation
(Unit: mm)
Wire tube power cable
WARNING
CAUTION
• In case of extending the electric wire, please DO NOT
use a round-shaped pressing socket.
–– Incomplete wire
connections can cause
electric shock or a fire.
• 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.
• 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.
Step 2.4 Optional: Extending the drain
hose
Drain hose
Assembly pipe
Connection hose
Drain hose (A)
Extension drain hose (B)
Wall
40~45mm
Indoor unit
Drain hose
Slant downwards
Slant upwards
Dipped in water
(A)
installation
Drain hose
5 cm
less
Bent
Too small clearance
(B)
Extension drain hose
Ditch
Too small clearance
20 mm or more
Foam insulation
2. Pour water into the drain pan. Check
whether the hose is well drained.
Vinyl tape
38 English
Step 2.5 Optional: Changing the
direction of the drain hose
Drain pan outlet
Rubber cap
• The larger one is for the gas refrigerant
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:
Left(A)
Right(B)
Underside(C)
Pour water in the direction of arrow.
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.
2. Smooth the cut edges.
<Front view>
Direction of the drained water
<Side view>
CAUTION
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.
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
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.
4. Cut off the remaining foam insulation.
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.
There are 2 refrigerant pipes of different diameters:
• The smaller one is for the liquid refrigerant
English 39
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.
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:
NOTE
Flare nut
• 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 45.
CAUTION
Indoor outlet pipe
Connecting pipe
(Unit: mm)
Outer diameter (mm) Torque (N•m) Torque (kgf•cm)
• 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.
Step 2.7 Shortening or extending the
refrigerant pipes (assembly pipe)
Pipe cutter
ø 6.35
ø 9.52
ø 12.70
ø 15.88
14 to 18
34 to 42
49 to 61
68 to 82
140 to 180
350 to 430
500 to 620
690 to 830
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.
Pipe
Oblique
90°
Rough
installation
D
Burr
Liquid service port
Gas service port
<High pressure>
<Low pressure>
90°±2°
A
45°±2°
L
R 0.4 to 0.8
Pipe
Flare
Correct
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
40 English
Inclined
Cracked
Uneven
thickness
<Flare nut>
Damaged
surface
When fixing the indoor unit on a window frame
NOTE
• 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.
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.
Step 2.8 Fixing the installation plate
You can install the indoor unit on a wall, window frame, or
gypsum board.
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.
3. Attach the installation plate to the wooden
upright using tapping screws.
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.
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
Fix the installation plate to the wall giving attention to the
weight of the indoor unit.
• 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.
Plastic anchor
installation
20 mm
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.
Wall
(Unit : mm)
Model
A
B
C
D
09/12
30
96
38
30
18/24
38
126
70
38
Pipe bundle hole: Ø 65 mm
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.
English 41
Outdoor Unit Installation
Step 3.1 Fixing the outdoor unit in
place
X
NOTE
• Make sure that the wall can support the weights of the
rack and the outdoor unit.
Y
• Install the rack close to the column as much as
possible.
Step 3.2 Connecting the power
and communication cables and the
refrigerant pipes
Rubber leg
(Unit : mm)
Model
X
Y
09/12
538
290
18
612
317
24
660
340
1. Place the outdoor unit as directed on the
top of the unit to let the discharged air out
properly.
09/12
N(1) 1
2
Outdoor-to-indoor
power cable
2. Fix the outdoor unit in level to an
appropriate support using anchor bolts.
18/24
NOTE
• Secure the rubber legs to help prevent the generation
of noise and vibration.
L
N
F1
• If the outdoor unit is exposed to strong winds, install
shield plates around the outdoor unit so that the fan
can operate correctly.
F2
installation
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)
Outdoor-to-indoor
power cable
(three wires)
Power cable
(three wires)
Communication cable
(two wires)
CAUTION
• Be sure to fix the power cables and communication
cable with a cable clamp.
Soft rubber designed to cut off residual vibration
from outdoor unit to rack (not supplied with product)
42 English
1
Leave the system in the standby mode.
WARNING
Control box
Remove the screw for the
control box cover
Remove the gas and liquid
service port caps
• 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.
For connecting the
refrigerant pipes
3
Valve
Gas service port
<Low pressure>
4
15 minutes
Vacuum
Pump
(Backward flowing prevention)
Liquid service port <Low pressure>
5
Liquid service port
<High pressure>
Connect the gas and liquid
refrigerant pipes
Liquid service port <High pressure>
Step 3.3 Evacuating the air
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.
CAUTION
• 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.
• 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.
English 43
installation
The outdoor unit is loaded with sufficient R-410A
refrigerant. Do not vent R-410A into atmosphere: it is a
fluorinated greenhouse gas, covered by Kyoto Protocol,
with a Global Warming Potential (GWP) = 2088. 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.
Step 3.4 Adding refrigerant
If you use a pipe longer than the length specified in
the piping codes and standards, you must add 15g of
refrigerant R-410A for each extra metre. 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 of the
compressor.
• Always contact the service centre or a professional
installation agency for product installation.
R-410A is a mixed type of refrigerant. It is necessary for
recharging under conditions of liquid. When recharging
refrigerant from the refrigerant cylinder to the equipment,
take the following instructions:
Before recharging, check whether the cylinder has
a siphon or not. There are two ways to recharge the
refrigerant:
Siphon
Charge the refrigerant
standing the cylinder upright.
Charge the refrigerant
turning the cylinder upside
down.
<Cylinder with siphon> <Cylinder without siphon>
installation
NOTE
• If R-410A refrigerant is charged with gas, the
composition of the charged refrigerant changes and
the characteristics of the equipment vary.
• During the measuring operation of refrigerant quantity
added, use electronic scales. If cylinder doesn't have
siphon, upset it.
44 English
Installation Inspection
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)
Spindle
Charging core
Step 4.2 Performing final check and trial
operation
1. Check the following:
• Strength of the installation site
R-22: Thread of the screw - 7/16-2OUNF
• Tightness of pipe connection to detect gas leak
R-410A: Thread of the screw -1/2-2OUNF
• Electric wiring connection
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
Charging port cap
(N•m)
10 to 12
( 1 N•m = 10 kgf•cm )
2. Insert inert gas into the pipes connected to
indoor and outdoor units.
• Drainage
• Grounding conductor connection
• Correct operation (Take the following steps.)
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.
Test parts for the
indoor unit
5. Press the
operation.
(Power) button to stop the trial
Pumping down refrigerant
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
English 45
installation
3. Test leakage on the connection parts of the
indoor and outdoor units with soap lather or
liquid.
• Heat-resistant insulation of the pipe
in order to avoid refrigerant loss to the atmosphere.
1. Shut off the liquid valve with the Allen
wrench.
1
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.)
3. After 2 minutes of operation, shut the
suction valve with the same wrench.
1 minute
Liquid service port
<High pressure>
Gas service port
<Low pressure>
4. Turn off the air conditioner and switch
mains supply off.
5. Disconnect tubing. After disconnection,
protect valves and tubing ends from dust.
2
CAUTION
• Compressor damage may occur if the compressor is
run at a negative suction pressure.
Pumping down for removing the product
1. Hold down the
(Power) button on the
indoor unit for 5 seconds. Beep sounds
immediately to indicate that the product is
ready for pump down procedure.
2. Let the compressor run for more than 5
minutes.
3. Release the valve caps on High and Low
pressure side.
installation
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.
46 English
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