Samsung MH026FJEA User manual

Air Conditioner
user manual
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MHFJEA Series

02_ features
For easy future reference write the model and serial number
down. You will find your model number on the right side of
the air conditioner.
Model #
Serial #
features of your new
air conditioner
• Slim & Smart Design
Extremely slim and compact design will allow this air conditioner to fit in any kind of interior
space.
•
function generates hydrogen(H) and oxygen(O2) to attack undesirable air
contaminants such as bacteria, pollen, and odor. It makes you breathe better as if you were
staying around waterfalls, ocean surf, rivers and mountains.
• 2Way air outlet
There are two separate air outlets for cooling and heating. Having warmer air coming out
from the bottom part of the air outlet will spread the warm air evenly throughout the room.
Stay cooler and warmer in every corner of your room.
• Cost Efficient System
Your new air conditioner not only provides maximum cooling power in the summer, but can
also be an efficient heating method in the winter with the advanced “Heat Pump” system.
This technology is up to 300% more efficient than electrical heating, so you can further
reduce its running cost. Now, meet year-round needs with one air conditioner.

safety information _03
ENGLISH
safety information
To prevent electric shock, disconnect the power before servicing, cleaning, and installing the unit.
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 questions, call your nearest
contact center or find help and information online at www.samsung.com.
What the icons and signs in this user manual mean:
WARNING
Risk of death or serious personal injury.
CAUTION
Potential risk of personal injury or material damage.
CAUTION
To reduce the risk of fire, explosion, electric shock, or personal injury when
using your air conditioner, follow these basic safety instructions:
Do NOT attempt.
Do NOT disassemble.
Do NOT touch.
Follow directions carefully.
Unplug the power plug from the wall socket.
Make sure the machine is grounded to prevent electric shock.
Call the contact center for help.
Recommended instructions or useful information for use.
These warning signs are here to prevent injury to you and others.
Please follow them carefully.
After reading this section, keep it in a safe place for future reference.
SEVERE WARNING SIGNS
Do not cut the power plug and connect to a different power cable.
Never attempt to lengthen the power cable.
• Potential risk of fire or electric shock.
Do not yank the power cable and touch the power plug with wet hands.
• Potential risk of fire or electric shock.
Never use a damaged power plug, power cable, or loosened power
receptacle.
• Potential risk of fire or electric shock.

04_ safety information
safety information
SEVERE WARNING SIGNS
Do not place the air conditioner near hazardous substances or equipment
that releases free flames to avoid fires, explosions or injuries.
• Potential risk of fire hazard or explosion.
Do not spray flammable gases such as insecticide near the air conditioner.
• Potential risk of electric shock, fire or unit malfunction.
Do not block or place items in front of the air conditioner. Do not step, hang
onto, or place heavy items on the air conditioner.
• Potential risk of personal injury.
Do not insert anything such as fingers or branches into the air conditioner
vents.
• Keep children away from the air conditioner. Potential risk of personal injury.
Do not install the air conditioner in areas exposed to the inflammable gas
leakage or the potential risk of gas leakage.
• Potential risk of fire hazard or explosion.
Do not install the outdoor unit at an unstable place such as outer high wall of
an apartment or building and on a outside of terrace to avoid falling.
• If the outdoor unit falls, it may cause personal injury or loss of property.
Consult the place of purchase or a contact center to disassemble or reinstall
the air conditioner.
• Potential risk of unit malfunction, water leakage, electric shock, or fire.
Do not connect the air conditioner with heating apparatus or do not attempt
to disassemble, remodel or repair it by yourself.
• Potential risk of malfunction, electric shock or fire. If repairs are needed, consult the
contact center.
Consult the place of purchase or a contact center to install the air
conditioner.
• Improper installation carries a risk of unit malfunction, water leakage, electric shock or
fire.
• If installing in specialty areas, such as a factory complex or saline coastal area, consult
the place of purchase or contact center for specific installation details.
Install the air conditioner with the support bracket securely fastened to use
for an extended period of time.
• If the air conditioner falls, it may cause personal injury or loss of property.
Ensure the air conditioner is installed in compliance with current national
safety standards.
Use a rated circuit breaker only.
• Never use steel wires or copper wires as a circuit breaker. It may cause fire or unit
malfunction.
Use an exclusive power source for the air conditioner.
• Potential risk of electric shock or fire.
Do not put undue stress on the power cable or place heavy objects on it.
Do not bend the power cable excessively.
• Potential risk of fire or electric shock.

safety information _05
ENGLISH
If the air conditioner becomes wet, turn the power off immediately and call
your nearest contact center.
• Potential risk of fire or electric shock.
Install an exclusive circuit breaker and short-circuit breaker for the air
conditioner.
• Potential risk of electric shock or fire.
If the power cable or cord is damaged, the manufacturer, a qualified service
technician must replace it to avoid a potential risk.
Disconnect the air conditioner from power supply before it is repaired or
disassembled.
Use a receptacle that has a ground terminal. The receptacle must be used
exclusively for the air conditioner.
• Improper electrical grounding may cause electric shock or fire.
Ensure proper ground has been established when installing the air
conditioner. Do not connect the ground cable of the unit to a gas pipe, a
water pipe or a telephone line.
• Potential risk of electric shock.
CAUTION SIGNS
Ensure no water gets into the air conditioner.
• Potential risk of fire or electric shock.
Do not install the air conditioner close to heating appliances to avoid damage.
Turn off the air conditioner using the provided remote control or control
accessory (if provided). Do not unplug to turn off the unit (unless there is an
immediate danger).
Do not open the front grille during operation.
• Potential risk of electric shock or unit malfunction.
Cool air should not flow directly towards people, pets, and plants.
• It is harmful to your health, pets, and plants.
Do not run the air conditioner for an extended period of time in a room with
the door closed or with babies, elderly or disabled people.
• Open the door or windows to ventilate your room at least once an hour to prevent oxygen
shortage.
Do not use the air conditioner as a cooling precision instrument for food,
pets, plants, cosmetics or machinery.
• Potential risk of property loss.
Do not drink water from the air conditioner.
• Potential risk of health hazard.
Do not give excessive shock to the air conditioner.
• Potential risk of fire or unit malfunction.
Do not expose the dust filter to direct sunlight while drying.
• Strong direct sunlight may deform the dust filter.
Do not spray water directly on the air conditioner or use benzene, thinner or
alcohol to clean the surface of the unit.
• Potential risk of electric shock or fire.
• Potential risk of damage to the air conditioner.

06_ safety information
safety information
CAUTION SIGNS
Do not place containers with liquid or other objects on the unit.
Do not pull the indoor unit.
• If the indoor unit falls, it may cause personal injury.
Do not allow children to climb on the air conditioner.
Do not touch the pipe connected to the air conditioner.
• Potential risk of personal injury or burn.
The air conditioner is composed of moving parts. Keep children away from
the unit to avoid physical injury.
Check for damage on delivery. If damaged, do not install the air conditioner
and call the place of purchase immediately.
Make sure the voltage and frequency of the electric system are compatible
with the air conditioner.
Insert the dust filter before operating the air conditioner.
• If there is no dust filter inside the air conditioner, accumulated dust may shorten the life of
the air conditioner and cause electricity waste.
Keep indoor temperatures stable and not extremely cold, especially where
there are children, elderly or disabled people.
Clean the conditioner after the inner fan stops operating.
• Potential risk of injury or electric shock.
Clean the dust filter every 2 weeks. Clean the filter more frequently if the air
conditioner is operated in dusty areas.
Inspect the condition, electric connections, pipes and external case of the
air conditioner regularly by a qualified service technician.
Do not open doors and windows in the room being cooled during operation
unless necessary.
Do not block air conditioner vents. If objects block the air flow, it may cause
unit malfunction or poor performance.
The packaging material and used batteries of the remote control(optional)
must be disposed of in accordance with the national standards.
The refrigerant used in the air conditioner must be treated as chemical
waste. Dispose the refrigerant following national standards.
Have a qualified service technician install the air conditioner and perform a
trial operation.
Install the air conditioner away from direct exposure to sunlight, heating
apparatus, and humid places.
• Hang a curtain to boost cooling efficiency and to avoid the risk of electric shock.
Firmly connect the drain hose to the air conditioner for a proper water
drainage.
• If it is not drain well, the condensed-water from the indoor unit may overflow and leak into
the room.
Install the outdoor unit where operating noise and vibration will not disturb
your neighbor and be well-ventilated with no obstacle.
• Potential risk of malfunction.
• Operating noise may disturb your neighbor.

safety information _07
ENGLISH
Install a pipe length according to minimum and maximum limit prescribed
into installation manual.
• with length different from specified, the system performance and reliability will be reduced
drastically.
If a power outage occurs while the air conditioner is working, turn off the
power source immediately.
When cleaning the outdoor unit, touch the heat exchanger radiator fins with
extreme care.
• Wearing thick gloves can protect your hands.
Make sure there are no obstacles under the indoor unit.
• Potential risk of fire or loss of property.
Make sure that children take precautions against access to the air
conditioner and they do not play with the unit.
The maximum input power & current and the input power & current are
measured in accordance with the rules given in the IEC/ISO.
Ensure to use the wireless remote control up to a distance of about 7m from
the remote control sensor of the air conditioner.
• The air conditioner may not work over the distance of 7m.
Make sure the cover or any obstacle is not near the air conditioner. Allow
sufficient space for air circulation.
• Insufficient ventilation may result in poor performance.
Batteries should be removed from the wireless remote control and be kept
separate when unused for long period of time.
If failure or damage occurs on the conditions of improper use not followed
by the installation manual, there will be an extra labor charge for installing
and construction.
• Potential risk of malfunction, electric shock or fire if repairs or installations are attempted
by a non-qualified service technician.
Ensure the off-on and protection switches are properly installed.
Do not use the air conditioner if damaged. If problems occur, immediately
stop operation and disconnect the plug from the power supply.
If the air conditioner will not be used for an extended period of time (for
example, over several months), unplug the power from the wall.
Call the place of purchase or a contact center if repairs are needed
• Potential risk of fire or electric shock if disassembly or repairs are attempted by a
non-qualified service technician.
If you smell burning plastic, hear strange sounds, or see smoke coming from
the unit, unplug the air conditioner immediately and call a contact center.
• Potential risk of fire or electric shock.

08_ contents
contents
VIEWING YOUR AIR CONDITIONER
BEFORE USE
09
09 Checking the indoor unit
09 Main parts
10 Mode indicator and control button
11 Removing the front panel
11 Viewing the power button and parts under
the panel
11 Checking the outdoor unit
12 Checking the remote control
13 Remote control display
13 Using the remote control
13 Installing the batteries
OPERATING BASIC FUNCTION
14
14 Turning the air conditioner on and off
14 Selecting operation mode
14 Auto
15 Cool
16 Dry
17 Fan
18 Heat
19 Adjusting the air flow direction
19 Vertical air flow
19 Horizontal air flow
OPERATING ADVANCED FUNCTION
20
20 Setting the Timer
20 On Timer
21 Off Timer
22 Combining ON and Off timer
23 Using the function
CLEANING AND MAINTAINING THE AIR
CONDITIONER
25
24 Cleaning the exterior
24 Cleaning the filter
24 Air filter
25 Anti-allergy filter
26 Replacing the filter
26 Deodorizing filter
26 Maintaining your air conditioner
APPENDIX
28
27 Troubleshooting
28 Operation ranges

viewing _09
ENGLISH
viewing your air conditioner
before use
Congratulations on the purchase of the air conditioner. We hope you will enjoy the features of your air
conditioner and stay cool or warm with optimal efficiency.
Please read the user manual to get started and to make the best use of the air conditioner.
CHECKING THE INDOOR UNIT
Carefully unpack your air conditioner, and check the unit to make sure it is not damaged.
Main parts
Your air conditioner may slightly look different from illustration shown above depending on
your model.
Air intake
Mode indicator and
Control button
Air outlet
(Cooling/Heating)
Air outlet
(Heating)
Blade pin lever
Blade pin lever

10_ viewing
viewing your air conditioner
before use
CHECKING THE INDOOR UNIT
Mode indicator and Control button
1 2 3 4 5 6 7
Each time you press the button, a short beep will sound and the unit is properly operating.
INDICATOR icon will light up when is operating.
FAN MODE
INDICATOR This icon will light up when the unit is operating in Fan mode.
TIMER INDICATOR Timer icon will light up when On/Off Timer function is set.
DEICE INDICATOR This icon will light up when the unit starts to de-ice.
POWER BUTTON Turn On/Off the air conditioner. The air conditioner will operate in
Auto mode.
POWER INDICATOR Power icon will light up when the unit is in operation.
REMOTE CONTROL
SENSOR Aim the remote control toward this spot on the air conditioner.
1
2
3
4
5
6
7

viewing _11
ENGLISH
REMOVING THE FRONT PANEL
Grab the top portion of the front panel and pull the front cover towards yourself. Unhook the safety string
and lift up the front panel.
Viewing the power button and parts under the panel
You may locate the Power button among with the mode indicators. When the front panel is
open, you may locate the temperature sensor and the Air flow switch. Temperature sensor is
located on the top left side of the air conditioner just above the anti-allergy/deodorizing filter slot
and the Air flow switch is located on the top right corner of the air conditioner.
You can turn on the air conditioner in Auto mode by pressing the Power button.
When you set the Air flow switch on Auto, it will open the bottom air outlet in Cool, Heat and
Fan modes. However, in Silence mode, the bottom air outlet will be closed. Also, in Cool mode,
the bottom air outlet will be closed within an hour. When you set the Air flow switch on Off, the
bottom air outlet will be closed.
The room temperature sensor measures indoor room temperature.
CHECKING THE OUTDOOR UNIT
Air intake (rear side)
Connection valve (inside)
Air outlet
 
 
 
Air flow switch Operation
Power button
Room temperature sensor
The designs and shape are subject to change according to the model.

12_ viewing
viewing your air conditioner
before use
CHECKING THE REMOTE CONTROL
You can activate the air conditioner by pointing the remote control away from it. When using the remote
control, always point it directly at the air conditioner.
Each time you press the button, a short beep will sound and a transmit indicator appears
on the remote control display.
Remote control display
Power
Turn on/off the air conditioner.
Mode
Set one of the 5 operating
modes. (See pages 14~18 for
instructions.)
Timer function
Up/Down
Increase/Decrease the time.
Set/Cancel
Set/Cancel the current Timer.
On/Off
Set the timer on/off.
Temperature 
Decrease/Increase the temperature
by 1˚C.
Fan speed
Adjust how much air flows through
the air conditioner with the
4 different fan speeds such as
Auto/Low/Medium/High.
function
On/Off
Emit hydrogen(H) and
oxygen(O2) in the air to remove
polluted substances such
harmful particles.
Clean Mode
Set one of the 3
operating types.
Air swing
Activate/Deactivate air flow
blade movement automatically
up and down.

viewing _13
ENGLISH
Remote control display
Air swing indicator
Operating mode
indicator
Set temperature
indicator
indicator
On/Off Timer indicator
Fan speed indicator
Installing the batteries
1. Slide the cover, on the
rear side of the remote
control, down to open.
2. Install two AAA
batteries.
Check and match the “+”
and “-” signs accordingly.
Make sure you have
installed the batteries in
correct position.
3. Close the cover by
sliding it back to its
original position.
You should hear click
sound when the cover is
locked properly.
Using the remote control
• Point the remote control towards the remote control sensor of the unit.
• When properly pressing the button on the remote control, you will hear beep sound
from the unit.
• The signal may not be received well of electronic lighting style fluorescent lamps,
such as inverter fluorescent lamps are in the same space.
• If other electrical products operate by the remote control, call your nearest contact
center.
Low battery
indicator
Transmit indicator

14_ operating
operating basic function
TURNING THE AIR CONDITIONER ON AND OFF
Press the Power button on the remote control.
You will hear a ringing sound and the air flow blade will move up
and down automatically when air conditioner is properly on. The air
conditioner will operate in the most recent operation mode used or Auto
mode.
When you turn off the air conditioner, air flow blade will stop moving and
remain closed.
Turning on/off your air conditioner without the remote control.
You can operate your air conditioner by pressing the Power button on the mode indicator of the air
conditioner.
SELECTING OPERATION MODE
Auto
In Auto mode, the air conditioner will automatically set the temperature and fan speed depending
on the room temperature detected by the room temperature sensor.
1. Turn on the air conditioner.
Press the Power button on the remote control.
2. Set the operation mode.
Press the Mode button on the remote control until
operation mode indicator displays Auto.
The air conditioner will automatically set the fan speed,
and operation mode to Cool or Heat depends on the
room temperature.
When you press the Mode button, mode will change in
order of Auto, Cool, Dry, Fan and Heat.
3. Set the Temperature.
Press the Temperature or button on the remote
control to decrease or increase the desired temperature.
You can set the desired temperature between the
range of 18˚C~30˚C.
You can decrease/increase the temperature by 1˚C.
• When the air conditioner is already operating in another mode, press the Mode button
until Auto mode indicator appears on the remote control display.
• When you are using the remote control, make sure correct indicator which matches your
selection appears on the remote control display.
• Air flow can be adjusted manually. (See page 19 for instructions.)

operating _15
ENGLISH
Cool
In Cool mode, the air conditioner will cool your room. You can adjust the temperature and the fan
speed to feel cooler in hot season.
1. Turn on the air conditioner.
Press the Power button on the remote control.
2. Set the operating mode.
Press the Mode button on the remote control until
Cool mode indicator appears on the remote control
display.
The air conditioner operates in Cool mode and
will lower the temperature in your room.
When you press the Mode button, mode will change
in order of Auto, Cool, Dry, Fan and Heat.
3. Set the temperature.
Press the Temperature or  button on the remote
control to decrease or increase the desired temperature.
You can set the desired temperature between
the range of 18˚C~30˚C.
You can decrease/increase the temperature by 1˚C.
4. Set the fan speed.
Press the Fan Speed button on the remote control to set
the desired fan speed.
If room temperature reaches desired value, the air
conditioner will shut off cooling for a while and just the
fan runs.
When you press the Fan Speed button, fan speed will
change in order of Auto, Low, Medium and High.
• When you are using the remote control, make sure correct indicator which matches your
selection appears on the remote control display.
• Air flow can be adjusted manually. (See page 19 for instructions.)
• If current outside temperatures are much higher than the selected indoor temperature,
it may take time to bring the inner temperature to the desired coolness.

16_ operating
operating basic function
SELECTING OPERATION MODE
Dry
The air conditioner in Dry mode acts like a dehumidifier by removing moisture from the indoor air.
Dry mode makes the air feel refreshing in a humid climate.
1. Turn on the air conditioner.
Press the Power button on the remote control.
2. Set the operating mode.
Press the Mode button on the remote control until Dry
mode indicator appears on the remote control display.
The air conditioner operates in Dry mode and
automatically adjusts the fan speed to Auto.
When you press the Mode button, mode will change
in order of Auto, Cool, Dry, Fan and Heat.
3. Set the temperature.
Press the Temperature or  button on the remote
control to decrease or increase the desired temperature.
You can set the desired temperature between
the range of 18˚C~30˚C.
You can decrease/increase the temperature by 1˚C.
• When you are using the remote control, make sure correct indicator which matches your
selection appears on the remote control display.
• Air flow can be adjusted manually. (See page 19 for instructions.)

operating _17
ENGLISH
Fan
Fan mode can be selected to ventilate your room. Fan mode will be helpful to refresh the stale air
in your room.
1. Turn on the air conditioner.
Press the Power button on the remote control.
2. Set the operating mode.
Press the Mode button on the remote control until
Fan mode indicator appears on the remote control
display.
The air conditioner operates in Fan mode.
When you press the Mode button, mode will change
in order of Auto, Cool, Dry, Fan and Heat.
3. Set the fan speed.
Press the Fan Speed button on the remote control to set
the desired fan speed.
When you press the Fan Speed button, fan speed will
change in order of Low, Medium and High.
• When you are using the remote control, make sure correct indicator which matches your
selection appears on the remote control display.
• Air flow can be adjusted manually. (See page 19 for instructions.)

18_ operating
operating basic function
SELECTING OPERATION MODE
Heat
The air conditioner heats as well as cools. Warm your room with this versatile appliance in the
cold of winter.
1. Turn on the air conditioner.
Press the Power button on the remote control.
2. Set the operating mode.
Press the Mode button on the remote control until Heat
mode indicator appears on the remote control display.
The air conditioner operates in Heat mode and warms
your room.
When you press the Mode button, mode will change
in order of Auto, Cool, Dry, Fan and Heat.
3. Set the temperature.
Press the Temperature or  button on the remote
control to decrease or increase the desired temperature.
You can set the desired temperature between
the range of 18˚C~30˚C.
You can decrease/increase the temperature by 1˚C.
4. Set the fan speed.
Press the Fan Speed button on the remote control to set
the desired fan speed.
If room temperature reaches desired value, heating will
stop for a while.
• When you press the Fan Speed button, fan speed
will change in order of Auto, Low, Medium and High.
• Fan may not operate for about 3~5 minutes at the
beginning to prevent any cold blasts while the air
conditioner is warming up.
• Air flow can be adjusted manually. (See page 19 for instructions.)
• Since the air conditioner heats the room by taking heat energy from outdoor air, the
heating capacity may decrease when outdoor temperatures are extremely low. If you
feel the air conditioner insufficiently heats, using an additional heating appliance in
combination with the air conditioner is recommended.

operating _19
ENGLISH
ADJUSTING THE AIR FLOW DIRECTION
Air flow can be directed to your desired position.
Vertical air flow
Air flow blades move up and down.
1. Press the Air swing button on the remote control.
Air swing indicator will be on and the number of indicator lights move up and down.
Air flow blades move up and down continuously to circulate the air.
To keep the air flow direction in a constant position, press the Air swing button on the
remote control again.
Vertical air flow direction is adjustable when the air conditioner is cooling the room.
Horizontal air flow
Make sure one of the blade pins that stick out of the air flow blades is not broken.
1. Move the blade pins left or right to keep the air flow direction in a constant position you
prefer.
To avoid any injuries, please move the blade pin after stopping Air Swing mode.
While the air conditioner cools the room, operate the appliance with the air flow blades
pointing upwards. If the unit operates in Cool mode for an extended period of time with the
air flow blades pointing downward, moisture may generate from the temperature difference
and thus carries the risk of electric shock or unit malfunction.
Cooling/Heating
Heating
CAUTION