Samsung Am kn4dch series User manual

Air conditioner

User manual

AC✴✴✴KN4DCH

•Thank you for purchasing this Samsung air conditioner.

•Before operating this unit, please read this user manual carefully and retain it for future

reference.

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Safety Information 3

At a Glance 10

Indoor Unit Overview 10

Power Smart Features 11

Operation Features 11

Operating temperature and humidity

Cleaning and Maintenance 12

Cleaning and Maintaining 12

Cleaning the indoor unit exterior • Disassembling the air filter • Cleaning the air filter •

Reassembling the air filter • Periodical maintenance • Troubleshooting

Contents

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Safety Information

WARNING

State of California Proposition 65 Warning (US only)

This product contains chemicals known to the State of California to cause

cancer, birth defects, or other reproductive harm.

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.

Safety Information

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Safety Information

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.

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

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

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

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 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.

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At a Glance

Indoor Unit Overview

At a Glance

01 Display

Operation status Indication on the

display

Power on Ice blue (blinking)

In operation Ice blue

Stopped Off

Timed on/off

function Blue

Requires filter

cleaning Yellow green

Defrost function Ice blue (blinking once

every 10 seconds)

Wide

Mid

Spot

Swing

NOTE

• For the AR-KH00U wireless remote control,

the air flow direction indications appear on

its display, too.

• By using the AR-KH00U wireless remote

control, you can turn on or turn off the air

flow direction indications that appear on

the indoor unit display.

• For the MR-EH00U wireless remote control,

which is designed generally for any indoor

units, the air flow direction is not shown

on the remote control display. Control the

air flow direction with checking it on the

indoor unit display.

02 Remote control sensor (behind the front

grille)

03 Air outlet

04 Front grille /

Air filter (behind the front grille)

NOTE

• For information on how to operate the

product, see the user manual for the

remote control.

• The actual appearances of the indoor units

and their displays may differ slightly from

the images depicted above.

• By using the AR-KH00U wireless remote

control, which is designed specifically

for the 360 cassette indoor units, you

can operate them more conveniently.

In addition, because you can check the

operation status of each indoor unit on

the remote control, you can use the indoor

units more effectively.

Circular panel

Square panel

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Power Smart Features

Operating temperature and humidity

Mode Outdoor temperature Indoor temperature Indoor humidity

Cool mode -18°C to 46°C

(0°F to 115°F)

18°C to 32°C

(64°F to 90°F) 80% or less

Heat mode -20°C to 24°C

(-4°F to 75°F) 30°C(86°F) or less -

Dry mode -18°C to 46°C

(0°F to 115°F)

18°C to 32°C

(64°F to 90°F) -

CAUTION

• If you use the air conditioner at a relative humidity above 80%, it may cause formation of

condensation and a leakage of water on the floor.

Operation Features

Power Smart Features

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Cleaning and Maintenance

Cleaning and Maintaining

Cleaning and Maintenance

Cleaning the indoor unit exterior

Wipe the surface of the unit with a slightly wet or dry cloth when needed. Wipe off dirt from

odd-shaped areas by using a soft brush.

CAUTION

• Do not use alkaline detergent, 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 indoor unit.

Disassembling the air filter

CAUTION

• For cleaning and maintenance, be sure to turn off the circuit breaker.

NOTE

• When the next filter-cleaning time arrives (after 1000 hours of operation), the indoor unit

display appears in yellow green.

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Cleaning and Maintenance

Cleaning the air filter

NOTE

• Clean the air filter once every two weeks.

• Spray water or use a vacuum cleaner to remove dust.

• After removing dust, dry the air filter completely.

– Avoid direct sunlight. Failure to do so may deform the air filter.

Reassembling the air filter

After cleaning and reassembling the air filter, reset the filter-cleaning reminder as follows:

• AR-KH00U remote control: > Select Filter Reset.

• MR-EH00U remote control: Hold down the Filter Reset button for two seconds.

NOTE

• If you try to assemble the air filter upside down, it will not be assembled because it cannot

be clamped by the internal structure.

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Cleaning and Maintaining

Cleaning and Maintenance

Periodical maintenance

Unit Maintenance item Interval Requires qualified

technicians

Indoor

unit

Clean the air filter. At least once a month

Clean the condensate drain pan. Once a year Required

Clean up the heat exchange. Once a year Required

Clean the condensate drain pipe. Once every 4 months Required

Replace the remote control

batteries. At least once a year

Outdoor

unit

Clean the heat exchanger on the

outside of the unit. Once every 4 months Required

Clean the heat exchanger on the

inside of the unit. Once a year Required

Clean the electric components with

jets of air. Once a year Required

Verify that all the electric

components are firmly tightened. Once a year Required

Clean the fan. Once a year Required

Verify that the fan assemblies are

firmly tightened. Once a year Required

Clean the condensate drain pan. Once a year Required

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Cleaning and Maintenance

Troubleshooting

Refer to the following chart if the air conditioner operates abnormally. This may save time and

unnecessary expense.

Problem Solution

The air conditioner

does not operate

at all.

• Check if the power plug is properly connected.

• Check whether the auxiliary power switch (MCCB, ELB) is turned on.

• If the auxiliary power switch (MCCB, ELB) is turned off, the air

conditioner does not work although you press the (Power)

button.

• When you clean the air conditioner or do not use it for an extended

period of time, turn off the auxiliary power switch (MCCB, ELB).

• After the air conditioner is not used for an extended period of time,

be sure to turn on the auxiliary power switch (MCCB, ELB) 6 hours

before starting operation.

NOTE

• The auxiliary power switch (MCCB, ELB) is sold separately.

• Make sure that auxiliary power switch (MCCB, ELB) is installed

in the distribution box inside the building.

• If the air conditioner is turned off by the Timed off function, turn on

the air conditioner again by pressing the (Power) button.

The temperature

does not change.

• Check whether the Fan mode is running. In the Fan mode, the air

conditioner controls the set temperature automatically, and you

cannot change the set temperature.

Warm air does not

come out of the air

conditioner.

• Check whether the outdoor unit is designed for cooling only. In

this case, warm air does not come out although you select the Heat

mode.

• Check whether the remote control is designed only for cooling only.

Use a remote control that supports both cooling and heating.

The fan speed does

not change.

• Check whether the Auto or Dry mode is running. In these modes, the

air conditioner controls the fan speed automatically, and you cannot

change the fan speed.

The wireless

remote control

does not operate.

• Check whether the batteries are discharged. Replace the batteries

with new ones.

• Make sure that nothing is blocking the remote control sensor.

• Check whether any strong lighting sources are near the air

conditioner. Strong light which comes from fluorescent bulbs or

neon signs may interfere with the remote control.

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Cleaning and Maintaining

Cleaning and Maintenance

Problem Solution

The wired remote

control does not

operate.

• Check whether the indicator is displayed at the bottom right

of the remote control display. In this case, turn off both the air

conditioner and the auxiliary power switch, and then contact a

service centre.

The air conditioner

is not turned on or

off immediately

with the wired

remote control.

• Check whether the wired remote control is set for group control. In

this case, the air conditioners connected to the wired remote control

are turned on or off sequentially. This operation takes up to 32

seconds.

The Timed on/off

function does not

operate.

• Check whether you pressed the (SET) button on the remote

control after setting the on/off time. Set the on/off time.

The indoor unit

display blinks

continuously.

• Turn on the air conditioner again by pressing the (Power)

button.

• Turn off and then turn on the auxiliary power switch, and then turn

on the conditioner.

• If the indoor unit display is still blinking, contact a service centre.

I want to get

cooler air.

• Operate the air conditioner with a common fan to save energy and

enhance the cooling efficiency.

The air is not cool

or warm enough.

• In the Cool mode, cool air does not come out if the set temperature

is higher than the current temperature.

– MR-EH00U remote control: Press the Temperature button

repeatedly until the set temperature (minimum : 18°C (64°F)) is

set to lower than the current temperature.

– AR-KH00U remote control: Press the Temperature button on the

remote control. Then rotate the Wheel until the set temperature

(minimum : 18°C (64°F)) is set to lower than the current

temperature.

• In the Heat mode, warm air does not come out if the set temperature

is lower than the current temperature.

– MR-EH00U remote control: Press the Temperature button

repeatedly until the set temperature (maximum : 30°C (86°F)) is

set to higher than the current temperature.

– AR-KH00U remote control: Press the Temperature button on the

remote control. Then rotate the Wheel until the set temperature

(maximum: 30°C (86°F)) is set to higher than the current

temperature.

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Cleaning and Maintenance

Problem Solution

The air is not cool

or warm enough.

• Both cooling and heating do not operate in the Fan mode. Select the

Cool, Heat, Auto, or Dry mode.

• Check whether the air filter is blocked with dirt. A dusty filter may

decrease the cooling and heating efficiencies. Clean the air filter

frequently.

• If a cover is on the outdoor unit or any obstacle is present near the

outdoor unit, remove them.

• Install the outdoor unit in a well-ventilated place. Avoiding places

exposed to direct sunlight or close to a heating appliance.

• Place a sunscreen over the outdoor unit to protect it from direct

sunlight.

• If the indoor unit is installed in a place exposed to direct sunlight,

pull the curtains on the windows.

• Close the windows and doors to maximize the cooling and heating

efficiencies.

• If the Cool mode is stopped and then started immediately, cool air

comes out after about 3 minutes to protect the compressor of the

outdoor unit.

• When the Heat mode is started, warm air does not come out

immediately to prevent cool air from coming out at the beginning.

• If the refrigerant pipe is too long, the cooling and heating

efficiencies may be decreased. Avoid exceeding the maximum pipe

length.

The air conditioner

makes strange

noises.

• In certain conditions (especially, when the outdoor temperature

is lower than 20°C (68°F)), a hissing, rumbling, or splashing sound

may be heard while the refrigerant is circulating through the air

conditioner. This is a normal operation.

• When you press the (Power) button on the remote control, noise

may be heard from the drain pump inside the air conditioner. This

noise is a normal sound.

Unpleasant odours

permeate the

room.

• If the air conditioner is running in a smoky area or if there is a smell

entering from outside, ventilate the room properly.

• If both indoor temperature and indoor humidity are high, operate

the air conditioner in the Clean or Fan mode for 1 to 2 hours.

• If the air conditioner has not been operated for an extended period

of time, clean the indoor unit and then operate the air conditioner

in the Fan mode for 3 to 4 hours to dry the inside of the indoor unit

for removal of unpleasant odours.

• If the air filter blocked with dirt, clean the air filter.

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Cleaning and Maintaining

Cleaning and Maintenance

Problem Solution

Steam is produced

on the indoor unit.

• In winter, if the indoor humidity is high, steam may be produced

around the air outlet while the defrost function is running. This is a

normal operation.

The outdoor unit

fan continues to

operate when the

air conditioner is

turned off.

• W hen the air conditioner is turned off, the outdoor unit fan may

continue to operate to reduce noise of the refrigerant gas. This is a

normal operation.

Water drops

from the piping

connections of the

outdoor unit.

• Condensation may develop due to the difference in temperature.

This is a normal condition.

Steam is produced

on the outdoor

unit.

• In winter, when the air conditioner runs in the Heat mode, the frost

on the heat exchanger melts and steam may be produced. This is a

normal operation, neither product malfunction nor a fire.

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Cleaning and Maintenance

Memo

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COUNTRY CALL OR VISIT US ONLINE AT

U.S.A

- Consumer Electronics 1-800-SAMSUNG (726-7864) www.samsung.com/us/support

CANADA 1-800-SAMSUNG(726-7864) "www.samsung.com/ca/support (English)

www.samsung.com/ca_fr/support (French)"

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BRAZIL "0800-124-421 (Demais cidades e regiões)

4004-0000 (Capitais e grandes centros)" www.samsung.com/br/support

COSTA RICA 00-800-1-SAMSUNG (726-7864) "www.samsung.com/latin/support (Spanish)