Samsung AJ NBLDCH Series User manual

Air conditioner
User manual/Installation manual
AJNBLDCH / AJ018NBMDCH
•Thank you for purchasing this Samsung air conditioner.
•Before operating this unit, please read this user manual carefully and retain it for future
reference.
DB68-07380A-00

2English
Safety Information 3
Safety Information 3
At a Glance 11
Indoor Unit Overview 11
Cleaning and Maintenance 12
Cleaning the Air Conditioner 12
Cleaning the air filter
Maintaining the Air Conditioner 14
Periodical checks
Appendix 16
Troubleshooting 16
Operation Features 20
Installation 21
Safety Information 21
Installation Procedure 24
Step 1 Checking and preparing accessories
Step 2 Choosing the installation location
Step 3 Optional: Insulating the body of the indoor unit
Step 4 Installing the indoor unit
Step 5 Purging inert gas from the indoor unit
Step 6 Cutting and flaring the pipes
Step 7 Connecting the assembly pipes to the refrigerant pipes
Step 8 Performing the gas leak test
Step 9 Insulating the refrigerant pipes
Step 10 Installing the drain hose and drain pipe
Step 11 Performing the drainage test
Step 12 Connecting the power and communication cables
Step 13 Optional: Extending the power cable
Step 14 Increasing Fan Speed
Step 15 Setting the Indoor unit addresses
Step 16 Additional Functions
Contents

3English
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.
Troubleshooting 38

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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 the power line with the power specifications of the product or
higher and use the power line for this appliance only. In addition, do not
use an extension line.
• Extending the power line may result in electric shock or fire.
• Do not use an electric transformer. It may result in electric shock or fire.
• If the voltage/frequency/rated current condition is different, it may cause
fire.
Safety Information
Safety Information

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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.
Install a switch 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 or fire.
Do not install this appliance near a heater, inflammable material. Do
not install this appliance in a humid, oily or dusty location, in a location
exposed to direct sunlight and water (rain drops). 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.
• Failure to do so may result in electric shock, fire, an explosion, or other
problems with the product.
• Never plug the power cord into a socket that is not grounded correctly
and make sure that it is in accordance with local and national codes.

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Safety Information
Safety Information
CAUTION
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 draining hose properly so that water is drained 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 draining
hose so that draining is performed correctly.
• The water generated during the heating operation 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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Safety Information
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,
unplug the power plug immediately and contact your 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.
• A 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 the
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
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 front panel with your hands or fingers during the
heating operation.
• This may result in electric shock or burns.
Do not insert your fingers or foreign substances into the outlet when
the air conditioner is operating or the front panel is closing.
• Take special care that children do not injure themselves by inserting their
fingers into the product.
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
the power by unplugging the power plug and turning the circuit breaker
off and then contact your 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 copper, 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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Safety Information
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.
• 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 controller and do not
disassemble the remote controller.
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 from the air flow
from the air conditioner for long periods of time.
• This may result in harm to humans, animals or plants.

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Safety Information
Safety Information
This appliance is not intended for use by persons (including children)
with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, unless they have been given 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, alcohol or acetone to clean the appliance.
• This may result in discoloration, deformation, damage, electric shock or fire.
Before cleaning or performing maintenance, unplug the air conditioner
from the wall socket 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.
• To avoid cutting your fingers, wear thick cotton gloves when cleaning it.
• 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 internal filter, refer to the descriptions in the ‘Cleaning
and Maintaining’ section.
• Failure to do may result in damage, electric shock or fire.