Samsung AJ NBRDCH Series User manual

Air conditioner
User manual/Installation manual
AJNBRDCH
•Thank you for purchasing this Samsung air conditioner.
•Before operating this unit, please read this user manual carefully and retain it for future reference.
DB68-07379A-00

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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
Heating Operation 18
Heat mode
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
Timed on/Timed off function
good’sleep function
Cleaning and Maintenance 24
Cleaning at a Glance 24
Troubleshooting 26

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Installation 30
Safety Information on Installation 30
Preparation 32
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 34
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
Installation Inspection 40
Step 3.1 Performing the gas leak tests
Step 3.2 Performing final check and trial operation
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
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.

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Safety InformationSafety Information 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.
Safety Information

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Safety Information Safety Information Safety Information
• If the voltage/frequency/rated current condition is different,
it may cause fire.
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.
Safety Information

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Safety InformationSafety Information Safety Information
CAUTION
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.

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Safety Information Safety Information Safety Information
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.
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.

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Safety InformationSafety Information Safety Information
• 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.
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.

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Safety Information Safety Information Safety Information
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.
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.
• 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.
Max current is measured according to IEC standard for safety
and current is measured according to ISO standard for energy
efficiency.

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Safety InformationSafety Information Safety Information
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.
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.

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Safety Information Safety Information Safety Information
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.
• Make sure to prevent any injury from sharp edges of the
surface when handling the heat exchanger.

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At a Glance At a Glance
03
04
01
02
06
07
05
01 Air intake
02 Air filter
03 Air flow blade (up and down)
04 Air flow blade (left and right)
05 Room temperature sensor
06 Display
07 Power button /
Remote control receiver
Display
01
02
03
04
05
01 good'sleep indicator
02 Timer indicator
Auto clean indicator
03 Operation indicator
04 Power button
05 Remote controller receiver
The actual product may differ slightly from the image depicted below.
Indoor Unit Overview
At a Glance

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At a Glance At a Glance
Remote Control Overview
01 Set temperature indicator
02 Timer option indicator
03 Operation mode indicator
04 Options indicator
05 Low battery indicator
06 Transmit indicator
07 Fan speed indicator
08 Vertical air swing indicator
09 Settings indicator
10 Power button
11 Temperature button
12 Options button
13 Timer button
14 Direction button / Selection button
15 Vertical air swing button
16 Mode button
17 Fan speed button
18 Single user button
19 Settings button
20 SET button
NOTE
• The descriptions in this manual are primarily
made based on the remote control buttons.
• Although Single user / Virus Doctor( ) /
d'light Cool / Usage / Filter Reset / Display
are displayed on the remote control display,
they are not available on this model.
At a Glance
01
05
06
07
09
15
16
17
19
20
02
03
04
10
11
12 18
13
14
08
Inserting batteries
two 1.5V AAA type batteries

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At a Glance At a Glance
Operation modes
You can change the current mode between Auto, Cool, Dry,
Fan, and Heat by pressing the button.
Controlling temperature
You can control the temperature in each mode as follows:
Mode Temperature control
Auto/Cool/
Heat 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, and Heat modes in the following
conditions:
Mode
Outdoor temperature Indoor temperature Indoor humidity
AJ017/018/
023/028NCJCH AJ034/038NCJ5CH
16
°C to 32 °C
80 % or
less relative humidity
Cool mode -5
°C to 46 °C -10 °C to 46 °C
Heat mode -15
°C to 24 °C 27 °C or less -
Dry mode -5
°C to 46 °C -10 °C to 46 °C 18 °C to 32 °C
-
• The standardizedtemperature for heating is 7˚C. If the outdoor temperature drops to 0˚C or
below, the heating capacity can be reduced depending on the temperature condition.
• If the cooling operation is used at over 32˚C(indoor temperature), it does not cool at its full
capacity.
You can use the air conditioner easily by selecting a mode and then by controlling the
temperature, fan speed, and air direction.
Remote Control Operation

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At a Glance At a Glance
Controlling fan speed
You can select the following fan speeds in each mode:
Mode Available fan speeds
Auto/Dry (Auto)
Cool/Heat (Auto), (Low), (Med), (High),
(Turbo)
Fan (Low), (Med), (High), (Turbo)
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.
• You can control the vertical air flow direction when the
good'sleep function is running while in the Heat mode, but
not while in the Cool mode.
Horizontal air flow (manual)
Keep the horizontal air flow in a constant direction by
changing the directions of the horizontal air flow blades
manually.

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Power Smart Features
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.
• 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. ►
The smart and powerful cooling functions of the Samsung air conditioner keep an enclosed space
cool and comfortable.
Cooling Operation
Power Smart Features

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Power Smart Features
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.
• You cannot use the Dry mode for heating. The Dry mode is
designed to produce a cooling side-effect.
The dehumidifying function of the Samsung air conditioner keeps an enclosed space dry and
comfortable.
Dehumidifying Operation
Power Smart Features

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Power Smart Features
Heat mode
Use the Heat mode to stay warm.
► ► Select Heat.
NOTE
• While the air conditioner warms up, the fan may not
operate for about 3 to 5 minutes at the beginning to
prevent cold blasts.
• If the air conditioner heats insufficiently, use an additional
heating appliance in combination with the air conditioner.
• When the outdoor temperature is low and the humidity is
high in Heat mode, frost may develop on the outdoor heat
exchanger. This may also decrease the heating efficiency.
If this occurs, the air conditioner runs the defrost function
for 5 to 12 minutes to remove frost from the outdoor heat
exchanger.
• When the defrost function is running, no air comes out
from the indoor unit in order to prevent cold air from
coming out. When the defrost function is finished, warm
air comes out after a while.
• The cycle of the defrost function may be shortened
depending on the amount of frost on the outdoor unit.
• The cycle of the defrost function may be shortened
depending on the humidity from rain and snow, too.
• When the defrost function is running, you cannot select
other functions with the remote control. Select them after
the defrost function is finished.
The heating functions of the Samsung air conditioner keep an enclosed space warm and
comfortable.
Heating Operation

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Power Smart Features
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
• When the indoor temperature seems to be higher
or lower than the set point, the air conditioner
automatically produces either cool air to cool down the
indoor temperature or warm air to warm up 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.
There is a variety of extra functionality provided by the Samsung air conditioner.
Quick Smart Features

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Power Smart Features
Fast function
Use the Fast function to quickly cool or heat your room. This
function is the most powerful cooling and heating function
provided by the air conditioner. You can select this function
both in the Cool and Heat modes.
In the Cool or Heat mode ► ► ►
Select Fast. ►
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.
• When you select the Fast function in the Heat mode, you
may not be able to increase the fan speed in order to
prevent cool air from blowing.
Comfort function
Use the Comfort function when you feel the current cooling
or heating effect is too strong. The air conditioner provides a
mild cooling or heating. You can select this function both in
the Cool and Heat modes.
In the Cool or Heat 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 or heating effect in the Comfort
function is weak, cancel the Comfort function.