Samsung AR NXFH Series User manual

1
English
Air conditioner
User manual
AR**NXFH***
•Thank you for purchasing this Samsung air conditioner.
•Before operating this unit, please read this user manual carefully and retain it for future
reference.

2
English
Contents
Safety Information 3
Safety Information 3
At a Glance 12
Remote Control Operation 12
Inserting batteries • Operation modes • Controlling temperature •
Controlling fan speed • Controlling air flow direction
Power Smart Features 14
Cooling Operation 14
Cool mode • 2-Step cooling function
Dehumidifying Operation 14
Dry mode
Heating Operation 15
Heat mode
Quick Smart Features 16
Auto mode • Fan mode • Fast function • Comfort function • Beep sound function •
Quiet function • Display lighting function
Energy-Saving Features 18
Energy-Saving Operation 18
Electricity consumption check • Usage time check • Single user function •
Timed on/Timed off function • good’sleep function
Cleaning and Maintenance 21
Cleaning at a Glance 21
Troubleshooting 23
Information about refrigerant 25

3
English
Safety InformationSafety Information
Safety Information
Before using your new air conditioner, please read this manual thoroughly
to ensure that you know how to safely and efficiently operate the extensive
features and functions of your new appliance.
Because the following operating instructions cover various models,
the characteristics of your air conditioner may differ slightly from those
described in this manual. If you have any questions, call your nearest contact
centre or find help and information online at www.samsung.com.
WARNING
Hazards or unsafe practices that may result in severe personal injury or
death.
CAUTION
Hazards or unsafe practices that may result in minor personal injury or
property damage.
Follow directions. Do NOT attempt.
Make sure the machine is grounded to prevent electric shock.
Cut off the power supply. Do NOT disassemble.
FOR INSTALLATION
WARNING
Use a power cord with this product's power specifications or higher
and use the power cord for this appliance only. In addition, do not use
an extension cord.
•Extending the power cord may result in electric shock or fire.
•Do not use an electric transformer. This may result in electric shock or
fire.
•If the voltage/frequency/rated current condition is different, it may cause
fire.
Safety Information

4
Safety Information
English
Safety InformationSafety Information
The installation of this appliance must be performed by a qualified
technician or service company.
•Failing to do so may result in electric shock, fire, explosion, problems
with the product, or injury and may also void warranty on the installed
product.
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.

5
English
Safety InformationSafety Information
CAUTION
Please cover the air conditionerwith 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.
The product shall be stored in a room with no ignition sources (e.g.
open flames, gas appliance, electric heater, etc.).
•Note that the refrigerant has no odour.
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.

6
Safety Information
English
Safety InformationSafety Information
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.
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.

7
English
Safety InformationSafety Information
In case of a malfunction, immediately stop operation of the air
conditioner and disconnect the entire power system. Then consult the
authorized service personnel.
In the event of a gas leak (such as propane gas, LP gas, etc.), ventilate
immediately without touching the power line. Do not touch the
appliance or power line.
•Do not use a ventilating fan.
•A spark may result in an explosion or fire.
To reinstall the air conditioner, please contact your nearest service
centre.
•Failing to do so may result in problems with the product, water leakage,
electric shock, or fire.
•Delivery service for the product is not provided. If you reinstall the
product in another location, additional construction expenses and an
installation fee will be charged.
•Especially, when you wish to install the product in an unusual location
such as in an industrial area or near the seaside where it is exposed to
salt in the air, please contact your nearest service centre.
Do not touch the circuit breakerwith wet hands.
•This may result in electric shock.
Do not turn the air conditioner off with the circuit breakerwhile 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.

8
Safety Information
English
Safety InformationSafety Information
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 conditionerwith excessive force.
•This may result in fire, injury, or problems with the product.
Do not place an object nearthe outdoor unit that allows children to
climb onto the machine.
•This may result in children seriously injuring themselves.
Do not use this air conditioner for long periods of time in badly
ventilated locations or near infirm people.
•Since this may be dangerous due to a lack of oxygen, open a window at
least once an hour.
If any foreign substance such as water has entered the appliance, cut
off the power supply and contact the nearest service centre.
•Failing to do so may result in electric shock or fire.
Do not attempt to repair, disassemble, or modify the appliance
yourself.
•Do not use any fuse (such as cooper, steel wire, etc.) other than the
standard fuse.
•Failing to do so may result in electric shock, fire, problems with the
product, or injury.

9
English
Safety InformationSafety Information
CAUTION
Do not place objects or devices underthe 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.
When the air conditioner does not operate properly for cooling
or heating, there is a possibility of refrigerant leakage. If any
leakage, stop operation, ventilate the room, and consult your dealer
immediately for recharging refrigerant.
The refrigerant is not harmful. However, if it comes in contact with
fire, it may generate harmful gases and there is risk of fire.
During transportation of the indoor unit, the pipe lines shall be
covered with brackets for protection. Do not move the product with
holding the pipe lines.
•It may cause gas leakage.
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.

10
Safety Information
English
Safety InformationSafety Information
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 cut or burn the refrigerant container or pipings.
Do not point the air direction to the fireplace or heater.
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 fortheir
safety. Children should be supervised to ensure that they do not play
with the appliance.

11
English
Safety InformationSafety Information
For use in Europe : This appliance can be used by children aged from 8
years and above and persons with reduced physical, sensory or mental
capabilities or lack of experience and knowledge if they have been given
supervision or instruction concerning use of the appliance in a safe way
and understand the hazards involved. Children shall not play with the
appliance. Cleaning and user maintenance shall not be made by children
without supervision.
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 exchangerof 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.

12
English
Remote Control Operation
At a Glance
Inserting batteries
two 1.5V AAA type batteries
NOTE
• The descriptions in this manual are primarily made
based on the remote control buttons.
• Although Ionizer ( )and d’light Cool is displayed
on the remote control display, it is not available on
this model.
• For the multi system Ionizer ( )/ d’light Cool /
Single user are displayed on the remote control
display, but these functions are not available.
1
Operation modes
You can change the current mode between Auto,
Cool, Dry, Fan, and Heat by pressing the button.
1
Controlling temperature
You can control the temperature in each mode as
follows:
Mode Temperature control
Auto/
Cool/
Heat
Adjust by1 °C between 16 °C and 30 °C.
Dry Adjust by1 °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 Cool Dry Heat
Indoor
temperature
16 °C to
32 °C
18 °C to
32 °C
27 °C or
less
Outdoor
temperature
-10 °C to
46 °C
-10 °C to
46 °C
-15 °C to
24 °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.
• If the outdoor temperature drops to -15°C, the
heating capacity may decrease to as much as 60%
to 70% of the specified capacity.
• For more information about outdoor temperature in
the multi system, refer to the manual for the multi
system.
You can use the air conditioner easily by selecting a mode and then by controlling the temperature, fan speed, and air
direction. For remote control buttons related to each operation, see the pages at the front of this manual.
Remote Control Operation
At a Glance

13
English
At a Glance
1
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)
1
Controlling air flow direction
Vertical air flow
Keep the vertical air flow in a constant direction
by stopping the movements of the vertical air flow
blade.
In operation ▶
NOTE
• If you adjust the vertical air flow blade manually, it
may not close completely when you turn off the air
conditioner.
• 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.

14
English
Power Smart Features
2
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 compressorwill operate at a
low speed to save energy.
3
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. ▶
NOTE
• If you select the 2-Step cooling function while
such functions as Fast, Comfort, Quiet, Single user,
good'sleep function are running, these functions are
cancelled.
The smart and powerful cooling functions of the Samsung air conditioner keep an enclosed space cool and
comfortable.
Cooling Operation
Power Smart Features
4
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

15
English
Power Smart Features
Heating Operation
5
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.

16
English
Power Smart Features
6
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.
7
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.
8
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
• 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.
• 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.
9
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. ▶
There is a variety of extra functionality provided by the Samsung air conditioner.
Quick Smart Features

17
English
Power Smart Features
NOTE
• You can change the set temperature and the air flow
direction.
• You cannot change the fan speed.
• If you feel cooling or heating effect in the Comfort
function is weak, cancel the Comfort function.
• 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.
10
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.
▶
11
Quiet function
Use the Quiet function to reduce operating noise. You can
select this function both in the Cool and Heat modes.
In the Cool or Heat 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.
12
Display lighting function
Use the Display lighting function to turn on or off the
lighting of the indoor unit display.
▶ ▶ Select Display.
▶
NOTE
• The Display lighting function does not operate when
the indoor unit is turned off.
• The Timer ( ) indicator does not disappear, even if
you turn off the Display lighting function.
• If you change the current mode or function when the
Display lighting function is on, the Display lighting
function turns off.

18
English
Energy-Saving Features
Energy-Saving Operation
Energy-Saving Features
13
Electricity consumption check
For the multi system, this function is not supported.
Use the Usage function to check the amount of
electricity consumed by using the air conditioner.
The amount consumed is displayed on the indoor
unit display for a few seconds, and the set indoor
temperature appears.
In operation ▶ ▶ ▶
Select Usage. ▶
The value range displayed is between 0.1 kWh and
99 kWh. Electricity consumption is calculated from
the moment the air conditioner turns on. The value is
reset when the air conditioner turns off.
NOTE
• The usage shown on the indoor unit display may
slightly differ from the amount of electricity actually
consumed.
• You can view electricity consumption only when the
air conditioner is operating.
14
Usage time check
For the single system, this function is not supported.
Use the Usage time function to check the operation
duration from the moment when the air conditioner
is turned on to the moment when the Usage time
function is selected. The usage time is displayed on the
indoor unit display for a few seconds, and the set indoor
temperature appears.
In operation ▶ ▶ ▶
Select Usage. ▶
The usage time is displayed in units of hour. For up
to 59 minutes, 00 is displayed. For from 1 hour, only
hours, without minutes, are displayed. The value
range displayed is between 00 and 99. The value is
reset when the air conditioner turns off.
NOTE
• The usage time shown on the indoor unit display
may a little differ from the actual operation time
of the air conditioner.
• You can view the usage time only when the air
conditioner is operating.
The smart energy-saving functions of the Samsung air conditioner reduce electricity consumption.

19
English
Energy-Saving Features
15
Single user function
For the multi system, this function is not supported.
Use the Single user function to reduce electricity
consumption while staying cool orwarm. You can
select this function in the Cool and Heat modes.
In the Cool or Heat mode ▶
NOTE
• When the Single user function starts, the
pattern appears on the remote control for a few
seconds, and vertical air swing begins automatically.
• After selecting the Single user function, you can
change the set temperature (24 °C to 30 °C in the
Cool mode, 16 °C to 30 °C in the Heat 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.
• If you select the Single userwhile such function as
2-Step cooling, Fast, Comfort, Quiet, or good'sleep
are running, these modes are cancelled.
• You can also start the Single user function by
pressing the Options ( ) button.
In the Cool or Heat mode ▶ ▶
▶Select Single user. ▶
16
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 and Heat mode only.
NOTE
• Once you start the Timed on/off function, the Timer
() indicator is displayed on the indoor unit display.
• 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.
• 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.
When
the air
conditioner
is on
Example) Timed on: 3 hours, Timed
off: 1 hour
The air conditioner turns off after 1hour
from the moment you start Timed on/
off, then turns on after 2hours from
the moment it is turned off.

20
Energy-Saving Operation
English
Energy-Saving Features
17
good’sleep function
Use the good'sleep function to get a good sleep at
night and to save energy. You can select this function
both in the Cool and Heat modes.
In the Cool or
Heat 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
• Once you start the good’sleep function, the Timer
() indicator appears on the indoor unit display.
• 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
Heat 21 °C to 23 °C 22 °C
• You can set the operation time to between 0.5 and
12 hours. Set the operation time to 0.0 to cancel the
good’sleep function.
• The default operation time for the good’sleep
function in the Cool mode is 8 hours. If the operation
time is set to over 5 hours, the Wake up function
begins 1 hour before the set time. The air conditioner
stops automatically when the operation time
expires.
• When the Timed on, Timed off, and good'sleep
functions are overlapped, the air conditioner
operates its timerwith only the function that you
have started most recently.
• If you select the good'sleep function while such
functions as 2-step cooling, Fast, Comfort, Quiet,
Single user function are running, these functions are
cancelled.