Air conditioner
User & installation manual
AC***BNPDKC / AC***BXPD*C
• Thank you for purchasing this Samsung air conditioner.
• Before operating this unit, please read this manual carefully and retain it for future reference.
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Contents
Safety Information 4
Safety Information 4
Operation Features 9
Checking auxiliary power switch • Operating temperature and humidity 9
At a Glance 10
Indoor Unit Overview 10
Control Panel Overview 12
Indoor unit display 12
Controlling with the control panel 13
Turning on or off the air conditioner • Controlling temperature • • Controlling the fan speed 13
Selecting the operation mode/Locking the control panel 14
Remote Control Overview 15
Replacing batteries • Storing the remote control 16
Remote Control Operation 17
Turning on or off the air conditioner • Operation modes 17
Controlling fan speed • Controlling temperature • Controlling air flow direction 18
Power Smart Features 19
Power Smart Features 19
Auto mode • Cool mode 19
Dry mode • Fan mode 20
Variety Smart Features 21
Turbo function • Long reach function 21
Clean function 22
Energy-Saving Operation 23
Timed on/Timed off function 23
Cleaning and Maintenance 24
Cleaning at a Glance 24
Cleaning the indoor unit exterior and outdoor unit heat exterior 24
Cleaning the filter 25
Periodical maintenance 26
Troubleshooting 27
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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.
Safety Information 29
Safety Information (Installing the Air Conditioner) 29
General information 29
Installing the unit 30
Power supply line, fuse or circuit breaker 30
Installation Procedure 32
Step 1 Choosing the installation location 32
Step 2 Unpacking 36
Step 3 Checking and preparing accessories 36
Step 4 Drilling a hole through a wall 37
Step 5 Taping the pipes, cables, and drain hose 37
Step 6 Purging inert gas from the indoor unit 38
Step 7 Optional: Cutting and flaring the pipes 38
Step 8 Connecting the refrigerant pipes 39
Step 9 Connecting the power and communication cables 41
Step 10 Optional: Extending the power cable 44
Step 11 Setting the indoor unit addresses and the installation options 46
Step 12 Checking the earthing 56
Step 13 Performing gas leakage test 56
Step 14 Evacuating the air 57
Step 15 Charging the refrigerant 57
Step 16 Fixing and insulating the connection part for refrigerant pipes 58
Step 17 Installing and connecting the drain hose 59
Step 18 Performing drainage test 60
Step 19 Checking the earthing 60
Step 20 Performing the final check and trial operation 61
Appendix 64
Troubleshooting 64
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Safety Information
Safety Information
Safety Information
Before using your new air conditioner, please read this manual thoroughly to ensure that you know how to safely
and efficiently operate the extensive features and functions of your new appliance.
Because the following operating instructions cover various models, the characteristics of your air conditioner may
differ slightly from those described in this manual. If you have any questions, call your nearest contact center or
find help and information online at www.samsung.com.
These warning signs are here to prevent injury to you and others. Please follow them carefully.
Important safety symbols and precautions:
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.
• Ex tending 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.
Safety Information
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Safety Information
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.
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.
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.
Do not install the product in a place where thermo-hygrostat is needed (such as server room, machinery
room, computer room, etc.)
• Those places do not provide guaranteed operation condition of the product therefore
performance can be poor in these places.
Do not install the product in a place where hair spray is frequently used (such as hair salon) since it
decreases the hydrophilicity of the product's heat exchanger and cause dew formation on the surface of
the product.
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
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, cut-off the power supply
immediately and contact the nearest service center.
• 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 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 turn the air conditioner off with the circuit breaker while it is operating.
• Turning the air conditioner off and then on again with the circuit breaker may cause a spark and
result in electric shock or fire.
After unpacking the air conditioner, keep all packaging materials well out of the reach of children, as
packaging materials can be dangerous to children.
• If a child places a bag over its head, it may result in suffocation.
Do not insert your fingers or foreign substances into the outlet when the air conditioner is operating or
the air flow blade 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 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.
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Safety Information
If any foreign substance such as water has entered the appliance, cut-off the power supply and contact
the nearest service center.
• 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.
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 control and do not disassemble the remote control.
Do not touch the pipes connected with the product.
• This may result in burns or injury.
Do not use this air conditioner to preserve precision equipment, food, animals, plants or cosmetics, or for
any other unusual purposes.
• This may result in property damage.
Avoid directly exposing humans, animals or plants from 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, 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.
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Safety Information
Safety Information
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, cut-off the power supply and wait until the fan stops.
• Failing to do so may result in electric shock or fire.
CAUTION
Take care when cleaning the surface of the heat exchanger of the outdoor unit since it has sharp edges.
• To avoid cutting your fingers, wear thick cotton gloves when cleaning it.
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 the air
conditioner’ section.
• Failure to do may result in damage, electric shock or fire.
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Safety Information
Checking auxiliary power switch
ON
1 phase circuit breaker 3 phase 4 wire
circuit breaker
Turn on the auxiliary power switch which is
installed separately.
NOTE
Auxiliary power switch(ELCB, ELB)
• Auxiliary power switch is not included in the package. Purchase and install it separately.
• Auxiliary power switch is a device for preventing over-current or short circuit. Turn off the auxiliary
power switch when you are cleaning the product or not going to use the product for long period of time.
• If ELB has already been installed in the switch box of the building, it is not mandatory for you to install
the auxiliary power switch.
Operating temperature and humidity
Mode Outdoor temperature Indoor temperature Indoor humidity
Cool mode -15°C to 54°C 18°C to 32°C 80% or less
Dry mode -15°C to 54°C 18°C to 32°C 80% or less
CAUTION
• If you use the air conditioner at a relative humidity above 80%, it may cause a formation of condensation
and a leakage of water on the floor.
• If the indoor unit is out of the operating temperature and humidity range, the safery device may operate
and the air conditioner may stops.
Operation Features
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At a Glance
The actual product may differ slightly from the image depicted below.
AC030BNPDKC
01
02
04
03
06
07
08
09
05
01 Air flow blade (up and down)
02 Air flow blade (left and right)
03 Air outlet
04 Control panel
05 Indoor unit display
06 Air filter
07 Remote control holder
08 Air intake
09 Safety hook
Opening the panel
Hold the upper part of the panel, then pull it slightly forward.
CAUTION
• Do not open the panel when the air conditioner is operating. It may cause
a malfunction or an electric shock.
NOTE
• Be sure to fasten the safety hook on the panel while in operation.
Indoor Unit Overview
At a Glance
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At a Glance
AC036/048/054BNPDKC
01
02
03
04
05
06
07
08
09
01 Air flow blade (up and down)
02 Air flow blade (left and right)
03 Air outlet
04 Control panel
05 Indoor unit display
06 Air filter
07 Remote control holder
08 Air intake
09 Safety hook
Opening the panel
Hold the upper part of the panel, then pull it slightly forward.
CAUTION
• Do not open the panel when the air conditioner is operating. It may cause
a malfunction or an electric shock.
NOTE
• Be sure to fasten the safety hook on the panel while in operation.
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At a Glance
02 03
04
0501
01 Power button
02 Mode button (Lock button)
03 Fan speed button (Turbo function Button)
04 Indoor unit display
05 Temperature button
Indoor unit display
02
03
04
05
06 07
08
09
01
01 Operation mode indicators
02 Defrost operation indicator
03 Outdoor unit operation indicator
04 Vertical air swing indicator /
Horizontal air swing indicator
05
Fan speed indicator
06 Set temperature indicator
07 Turbo function indicator /
Long reach function indicator /
Clean function indicator /
08
Lock indicator
09 Set timer indicator
NOTE
• The Heat mode is not supported by this model.
NOTE
• If you set a dedicated mode available only in the upper level controller (DMS), it may limit available
operation modes that can be selected in the indoor unit display.
– DMS cooling mode: Auto, Cool, Dry, and Fan
Control Panel Overview
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At a Glance
You can control the air conditioner with the control panel without using the remote control.
Turning on or off the air conditioner
Press the (Power) button. The air conditioner turns on
with a ring sound and then its operation starts. To turn off
the air conditioner, press the (Power) button again.
Controlling temperature
Each time you press the button, the temperature increases
or decreases by 1 °C.
Mode Temperature control
Auto/Cool/Dry Adjust by 1°C between 18°C and 30°C.
Fan You cannot control the temperature.
(Turbo 3sec)
Controlling the fan speed
Press the (Fan speed) button to change the fan speed in
each mode. Each time you press the button, the fan speed
changes in the following order:
Mode Available fan speeds
Auto/Dry
(Auto)
Cool
(Med), (High), (Turbo), (Auto),
Fan
(Med), (High), (Turbo)
Press and hold the (Fan speed) button for 3 seconds to
activate the Turbo function.
NOTE
• In Fan mode, cool air does not come out because the
outdoor unit does not operate.
Controlling with the control panel
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Controlling with the control panel
At a Glance
(Lock 3sec)
Selecting the operation mode/
Locking the control panel
• Press the (Mode) button to change the operation
mode. Each time you press the button, the mode changes
in the following order: Auto → Cool → Dry → Fan.
• Press the
(Mode) button for 3 seconds. The
(Lock) indicator appears and then the control panel is
locked with a ring sound.
NOTE
• Once the Lock function has been activated, the air
conditioner cannot be controlled with the control
panel but the remote control.
• To release the Lock function, press the
(Mode)
button for 3seconds.
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At a Glance
01
02
03
04
10
11
12
13
14
05
06
07
08
09
15
16
17
18
19
20
01 Set temperature indicator
02 Timed on/off indicator
03 Operation mode indicator
NOTE
• The Heat mode is not supported by this model.
04 Unsupported functions
NOTE
• The Single user, Heater and Purity functions ( ) are
not supported by this model.
05 Low battery indicator
06 Signal transmission indicator
07 Fan speed indicator
08 Vertical air swing indicator /
Horizontal air swing indicator
09
Options indicator
10 Power button
11 Temperature button
12 Options button
13 Timer button
14 Direction button / Selection button
15 Vertical air swing button
16 Mode button
17 Fan speed button
18 Horizontal air swing button
19 Turbo button
20 SET button
NOTE
• The descriptions in this manual are primarily made
based on the remote control buttons.
• When you press the button, a short ring will sound
and a transmit indicator (
)appears on the remote
controller display.
• Remote controller will remember the most recent
temperature setting if you turn off the air conditioner
and then turn it on again
.
Remote Control Overview
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Remote Control Overview
At a Glance
Replacing batteries
When the icon appears in the remote control display,
replace the batteries with new ones. Two 1.5V AAA type
batteries are required.
Two 1.5V AAA type batteries
1
3
2
Correct disposal of batteries in this product
This marking on the battery, manual or packaging indicates that the batteries in this product should not be
disposed of with other household waste at the end of their working life. Where marked, the chemical symbols
Hg, Cd or Pb indicate that the battery contains mercury, cadmium or lead above the reference levels in EC
Directive 2006/66.
Storing the remote control
If the remote control will not be used for an extended
period of time, remove the batteries and store it in a
remote control holder on the wall or inside the panel.
CAUTION
• Make sure that water does not come into the
remote control.
OR
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At a Glance
Turning on or off the air conditioner
You can turn on or off the air conditioner by pressing the (Power)
button.
Operation modes
You can change the current mode between Auto, Cool, Dry, Fan and Heat
by pressing the (Mode) button.
▶ ▶ ▶
▶
NOTE
• The Heat mode is not supported by this model.
You can use the air conditioner easily by selecting a mode or function and then by controlling the temperature,
fan speed, and air flow direction.
Remote Control Operation
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Remote Control Operation
At a Glance
Controlling fan speed
You can select the following fan speeds in each mode:
Mode Available fan speeds
Auto/Dry
(Auto)
Cool
(Auto), (Med), (High), (Turbo)
Fan
(Med), (High), (Turbo)
Controlling temperature
You can control the temperature in each mode as follows:
Mode Temperature control
Auto/Cool/Dry
Adjust by 1°C (1°F) between 18°C (65°F) and 30°C (86°F)
Fan You cannot control the temperature.
You can switch between Celsius and Fahrenheit indications on the
remote control.
▶ Press and hold for 3 or more seconds.
NOTE
• The temperature indications on the indoor unit are not switched.
• This function is canceled when the remote control batteries are replaced. In
this case, run this function again.
Controlling air flow direction
This function allows you to shift the air flow direction up and down or left
and right.
In operation ▶
or
• Press the or button to move the air flow direction up and down or
left and right while the air conditioner is turned on.
• When the blade reaches the desired position, press the or
button one more time to set the air flow direction. The up/down
and left/right tilting of the blade will stop.
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Power Smart Features
Auto mode
Use the Auto mode when you want the air conditioner to automatically
control the Cool mode. The air conditioner will provide the most
comfortable atmosphere that it can.
▶ ▶ Select Auto.
NOTE
• You cannot change the fan speed.
• While the Cool mode is running, the air conditioner produces
a strong cold air if there is a large difference between the set
temperature and the current temperature. When the temperature
difference becomes small, the air conditioner automatically
changes the air flow direction to Wide and keeps the room at a
comfortable temperature.
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 (9°F) in the Cool mode.
• To cool your room quickly, select a low temperature and a high fan
speed.
• To save energy, select a high temperature and a low fan speed.
• As the indoor temperature approaches the set temperature, the
compressor will operate at a low speed to save energy.
Power Smart Features
Power Smart Features
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Power Smart Features
Power Smart Features
Dry mode
Use the Dry mode in rainy or humid weather.
▶ ▶ Select Dry.
NOTE
• You cannot change fan speed in the Dry mode.
• The greater the difference between the set temperature and
the current temperature is, the greater the amount of air that is
dehumidified is.
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.
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Power Smart Features
Variety Smart Features
Turbo function
Use the Turbo function to quickly cool your room. This function provides
the most powerful cooling air.
▶
NOTE
• To turn off the Turbo function, press (Turbo) button again.
• This function is only available in the Auto and Cool modes.
• When this function is run for 30 minutes, the air conditioner
automatically returns to the previous mode.
• You cannot use this function and the Long reach function at the
same time.
• You can change the air flow direction.
• You cannot change the set temperature and the fan speed.
Long reach function
Use the Long reach function to extend the area cooled by the air
conditioner.
▶ ▶ ▶ Select Long. ▶
NOTE
• To turn off the Long reach function, press the (Options) button and
directional button to select Long, and then press the (SET) button.
• You cannot use this function and the Turbo function at the same time.
• You can change the horizontal air flow direction.
• You cannot change the fan speed.
• You cannot use this function in the Dry and Fan modes.
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Variety Smart Features
Power Smart Features
Clean function
Use the Clean function to remove moisture from the inside of the air
conditioner for preventing propagation of fungi, bacteria, etc.
▶ ▶ Select Clean. ▶
• When the Clean function is set, the (Clean) indicator appears
on the indoor unit display. When the air conditioner is ended, the
Clean function starts for 10 minutes and then the air conditioner
turns off.
• When the Clean runs with the air conditioner off, cleaning runs for
10 minutes and then the air conditioner turns off.
• Once the Clean function is started, it automatically continues to
operate until it is cancelled.
NOTE
• When you reactivate the Clean fuction while Clean function is running,
the cleaning stops immediately.
• The Clean function operates only in Auto, Cool and Dry modes.
• Although the Clean appears on the remote control in Auto (Heat), Fan and
Heat modes, the Clean function does not operate.
• Clean function runs only when the air conditioner operates for over 20
seconds in Auto, Cool and Dry modes.
• Although the Clean appears on the remote control with the Timed off
active, the cleaning does not operate.
• The
(Clean) indicator does not disappear on the indoor unit display
when you turn off the air conditioner with the Clean function active. This
is a normal operation.
• While in Clean function, the other indicators other than
(Clean)
disappear on the indoor unit display. This is a normal operation.
• When the Clean function runs, it starts with a low fan speed and after a
certain period of time, the fan speed becomes strong.
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Power Smart Features
Energy-Saving Operation
(When the air conditioner is off)
Timed on/Timed off function
Use the Timed on/off function to turn the air conditioner on or
off after the time that you set.
▶ ▶ Select On or Off. ▶
(Set the on/off time.) ▶
NOTE
• You can set a time between 0.5 and 24 hours.
• To cancel the Timed on/off function, set the time interval
to 0.0 on the remote control, or press the
(Power)
button on the control panel.
• After starting the Timed on function, you cannot change
the fan speed.
• Once you start the Timed on/off function, the
(Timer)
indicator is displayed on the indoor unit display.
• 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.
(When the air conditioner is on)
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Cleaning at a Glance
Cleaning and Maintenance
Cleaning the indoor unit exterior and outdoor unit heat exterior
Before cleaning,
be sure to turn off the air
conditioner.
Tepid damp cloth
Soft brush
Spray water to clean the dust.
CAUTION
• Do not open the panel when the air conditioner is operating. This action may cause a malfunction or an
electrical hazard.
• Do not clean the display by using alkaline detergent.
• Do not use 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 air conditioner.
• When you clean and inspect the heat exchanger on the indoor and outdoor units, contact the local
service centre for help.
• Be sure to prevent any injury from sharp edges of the surface when handling the heat exchanger.
• If the air conditioner is running in specific environment such as a restaurant or a hair salon, it may
generate unpleasant odours. To prevent odours, ventilate the room properly, clean the air filter, or
operate the air conditioner in the Fan mode. If the problem still exists, contact a service centre.
Cleaning at a Glance
Cleaning and Maintenance
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Cleaning and Maintenance
Cleaning the filter
Vacuum
cleaner
CAUTION
• Do not scrub the air filter with a brush or other cleaning utensil. This may damage the filter.
• Do not expose the air filter to direct sunlight when drying it.
NOTE
• Clean the air filter every 2 weeks. Cleaning term may vary depending on the usage and environmental conditions.
• If the air filter dries in a humid area, it may produce offensive odours. Clean it again and dry it in a well-ventilated
area.
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Cleaning at a Glance
Cleaning and Maintenance
Periodical maintenance
Unit Maintenance item Interval
Requires qualified
technicians
Indoor unit
Clean the air filter. Once every 2 weeks
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. 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
CAUTION
• Be sure to perform the maintenance check periodically. This work improves the air conditioner's
efficiency.
• The frequency of maintenance work may vary depending on the geographical area, amount of dust,
and other environmental elements. If the air conditioner is installed in a very dusty place, perform the
maintenance work more frequently.
• Make sure that the maintenance work must be done by qualified technicians. For more detailed
information, refer to the Installation manual.
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Cleaning and Maintenance
Refer to the following chart if the air conditioner operates abnormally. This may save time and unnecessary
expense.
Troubleshooting
Problem Solution
The air conditioner does
not operate at all.
• Check whether the power is turned on, and then operate the air conditioner
again.
• Check whether the auxiliary power switch (ELCB, ELB) is turned on.
• If the auxiliary power switch (ELCB, 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 (ELCB, ELB).
NOTE
• The auxiliary power switch (ELCB, ELB) is sold separately.
• Make sure that auxiliary power switch (ELCB, 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 Auto or Fan mode, or the Turbo function is running. In
these modes and function, the air conditioner controls the set temperature
automatically, and you cannot change the set temperature.
The fan speed does not
change.
• Check whether the Auto or Dry mode, or the Turbo or Long reach function
is running. In these modes and functions, the air conditioner controls its fan
speed automatically, and you cannot change the fan speed.
The air flow direction
does not change.
• Check whether the Long reach function is running. In the Long reach
function, only horizontal air flow direction can be changed.
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.
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.
• Check whether
, is displayed on the indoor unit display. Make
sure that the power and communication cables are connected correctly
between the indoor and outdoor units, and then restart the air conditioner. If
the error is still displayed, contact a service centre.
• Check whether the following errors are displayed on the indoor unit display:
, , , , , , , ,
, , , , , , , ,
, , , , , , , ,
, , , , , , ,
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Troubleshooting
Cleaning and Maintenance
Problem Solution
Air does not come out
of the air conditioner.
• In the Cool mode, air does not come out if the set temperature is higher than
the current temperature.
• Cooling does not operate in the Fan mode. Select the Cool, Auto, or Dry
mode.
• Check whether the air filter is blocked with dirt. A dusty filter may decrease
the cooling 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. Avoid 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 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.
• If the refrigerant pipe is too long, the cooling 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), a hissing, rumbling, or splashing sound may be heard while
the refrigerant is circulating through the air conditioner. This is a normal
operation.
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 the air conditioner has not been operated for an extended period of time,
clean the indoor unit and operate the air conditioner in 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.
Water drops from the
piping connections of
the outdoor unit.
• Condensation may develop due to the difference in temperature. This is a
normal condition.
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Safety Information
Carefully follow the precautions listed as below because they
are essential to guarantee the safety of SAMSUNG product.
WARNING
• Always disconnect the air conditioner from the power
supply before servicing it or accessing its internal
components.
• Verify that installation and testing operations are
performed by qualified personnel.
• Verify that the air conditioner is not installed in an
easily accessible area.
General information
• Carefully read the content of this manual before
installing the air conditioner and store the manual in a
safe place in order to be able to use it as reference after
installation.
• For maximum safety, installers should always carefully
read the following warnings.
• Store the manual in a safe location and remember to
hand it over to the new owner if the air conditioner is
sold or transferred.
• This manual explains how to install an indoor unit with
a split system with two SAMSUNG units. The use of
other types of units with different control systems may
damage the units and invalidate the warranty. The
manufacturer shall not be responsible for damages
arising from the use of non compliant units.
• The manufacturer shall not be responsible for damage
originating from unauthorized changes or the improper
connection of electric and hydraulic lines. Failure to
comply with these instructions or to comply with the
requirements set forth in the “Operating limits” table,
included in the manual, shall immediately invalidate
the warranty.
• The air conditioner should be used only for the
applications for which it has been designed: the indoor
unit is not suitable to be installed in areas used for
laundry.
• Do not use the units if damaged. If problems occur,
switch the unit off and disconnect it from the power
supply.
• In order to prevent electric shocks, fires or injuries,
always stop the unit, disable the protection switch
and contact SAMSUNG’s technical support if the unit
produces smoke, if the power cable is hot or damaged
or if the unit is very noisy.
• Always remember to inspect the unit, electric
connections, refrigerant tubes and protections
regularly. These operations should be performed by
qualified personnel only.
• The unit contains moving parts, which should always be
kept out of the reach of children.
• Do not attempt to repair, move, alter or reinstall the
unit. If performed by unauthorized personnel, these
operations may cause electric shocks or fires.
• Do not place containers with liquids or other objects
on the unit.
• All the materials used for the manufacture and
packaging of the air conditioner are recyclable.
• The packing material and exhaust batteries of the
remote control (optional) must be disposed of in
accordance with current laws.
• The air conditioner contains a refrigerant that has to be
disposed of as special waste. At the end of its life cycle,
the air conditioner must be disposed of in authorized
centers or returned to the retailer so that it can be
disposed of correctly and safely.
• Wear protective equipment (such as safety gloves,
goggles, and headgear) during installation and
maintenance works. Installation/repair technicians
may be injured if protective equipment is not properly
equipped.
• This appliance is not intended for use by persons
(including children) with reduced physical, sensory
or mental capabilities, or lack of experience and
knowledge, without supervision or instruction
concerning use of the appliance by a person
responsible for their safety. Children should be
supervised to ensure that they do not play with the
appliance.
Safety Information (Installing the Air Conditioner)
Safety Information
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Safety Information (Installing the Air Conditioner)
Safety Information
Installing the unit
IMPORTANT: When installing the unit, always remember to
connect first the refrigerant tubes, then the electrical lines.
Always disassemble the electric lines before the refrigerant
tubes.
• Upon receipt, inspect the product to verify that it has
not been damaged during transport. If the product
appears damaged, DO NOT INSTALL it and immediately
report the damage to the carrier or retailer (if the
installer or the authorized technician has collected the
material from the retailer).
• After completing the installation, always carry out a
functional test and provide the instructions on how to
operate the air conditioner to the user.
• Do not use the air conditioner in environments with
hazardous substances or close to equipment that
release free flames to avoid the occurrence of fires,
explosions or injuries.
• Our units must be installed in compliance with the
spaces indicated in the manual to ensure either
accessibility from both sides or ability to perform
routine maintenance and repairs. The units’
components must be accessible and that can be
disassembled in conditions of complete safety either
for people or things. For this reason, where it is not
observed as indicated into the manual, the cost
necessary to reach and repair the unit (in safety, as
required by current regulations in force) with slings,
trucks, scaffolding or any other means of elevation
won’t be considered in-warranty and charged to end
user.
Power supply line, fuse or circuit breaker
• For this reason, when provisions of the installation
manual are not complied with, the cost required to
access and repair the units (in SAFETY CONDITIONS,
as set out in prevailing regulations) with harnesses,
ladders, scaffolding or any other elevation system will
NOT be considered part of the warranty and will be
charged to the end customer.
• Always make sure that the power supply is compliant
with current safety standards. Always install the air
conditioner in compliance with current local safety
standards.
• Always verify that a suitable grounding connection is
available.
• Verify that the voltage and frequency of the power
supply comply with the specifications and that the
installed power is sufficient to ensure the operation of
any other domestic appliance connected to the same
electric lines.
• Always verify that the cut-off and protection switches
are suitably dimensioned.
• Verify that the air conditioner is connected to the power
supply in accordance with the instructions provided in
the wiring diagram included in the manual.
• Always verify that electric connections (cable entry,
section of leads, protections…) are compliant with
the electric specifications and with the instructions
provided in the wiring scheme. Always verify that all
connections comply with the standards applicable to
the installation of air conditioners.
• Be sure not to perform power cable modification,
midway wiring, and multiple wire connection.
– It may cause electric shock or fire due to poor
connection or insulation and current limit override.
– When midway wiring is required due to power line
damage, refer to "Step 2.4 Optional: Extending the
power cable" in the installation manual.
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Safety Information
CAUTION
• Make sure that you earth the cables.
– Do not connect the earth wire to the gas pipe, water
pipe, lighting rod or telephone wire. If earthing is
not complete, electric shock or fire may occur.
• Install the circuit breaker.
– If the circuit breaker is not installed, electric shock
or fire may occur.
• Make sure that the condensed water dripping from the
drain hose runs out properly and safely.
• Install the power cable and communication cable of
the indoor and outdoor unit at least 1m away from the
electric appliance.
• Install the indoor unit away from lighting apparatus
using the ballast.
– If you use the wireless remote control, reception
error may occur due to the ballast of the lighting
apparatus.
• Do not install the air conditioner in following places.
– Place where there is mineral oil or arsenic acid.
Resin parts flame and the accessories may drop or
water may leak. The capacity of the heat exchanger
may reduce or the air conditioner may be out of
order.
– The place where corrosive gas such as sulfurous
acid gas generates from the vent pipe or air outlet.
The copper pipe or connection pipe may corrode
and refrigerant may leak.
– The place where there is a machine that generates
electromagnetic waves. The air conditioner may not
operate normally due to control system.
– The place where there is a danger of existing
combustible gas, carbon fiber or flammable dust.
The place where thinner or gasoline is handled. Gas
may leak and it may cause fire.
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Installation Procedure
Installation Procedure
Installation Procedure
Installation Procedure
Step 1 Choosing the installation location
Determine the installation location considering the following
conditions and obtain the user approval.
Indoor unit
• Install the unit where the pipes and cables can be easily
connected to the outdoor unit.
• Install the unit where there are no obstacles against
the wind around the air intake and air outlet.
• Install the unit on a flat and stable surface that
can hold the unit’s weight. Otherwise, the unit may
generate noise and vibrations.
• Do not install the unit near highly frequented doors and
passages.
• Do not install the unit in a location exposed to direct
sunlight.
Top view Side view
More than 60cm
<Wall installation>
<Corner installation>
More than 100cm
More than 50cm
Air outlet
Air intake
Outdoor unit
• Install the unit where it will not experience oil
leakages, salt collection, gas exposure, or sulfide gas
risk, and keep it and safe from other dangers.
• Install the unit where does not disturb your neighbors as
they may be affected by the noise or airflow coming from
the unit.
• Install the unit where no rainwater can collect on or near it.
• Install the unit in a well-ventilated location away from
direct sunlight or strong winds.
• Install the unit where the pipes and cables can be easily
connected to the indoor unit.
• Maintain sufficient space for repairs and service.
• Make sure that condensed water dripping from the
drain hose is directed away safely.
• If there is any unavoidable reason to install the unit at
such a place, take the following measures:
– When installing the unit at a roadside concentrated
with buildings, install it parallel to the road.
– Install the unit so that the air outlet faces the wall
such as rooftop that may be subjected to strong wind.
Strong wind
Rooftop
• When installing the outdoor unit near the seashore, make sure
that it is not directly exposed to sea breeze. If you cannot find
an adequate place, a protection wall should be constructed.
– Install the outdoor unit at a place (such as near a
building) where it can be protected from sea breeze.
Failure to do so may cause damage to the outdoor unit.
Outdoor Unit
Sea breeze
Sea
Outdoor Unit
Sea breeze
Sea
• If you cannot avoid a place near the seashore, construct
a protection wall around the outdoor unit.
Sea
Sea breeze
Outdoor Unit
Protection wall
• Construct a protection wall made of solid material such
as concrete to block sea breeze. Make sure that its
height and width are 1.5 times greater than the size of
the outdoor unit. In addition, secure a space larger than
600 mm between the protection wall and the outdoor
unit for exhausted air to ventilate.
• Install the unit at a place where water can drain smoothly.
• If you have any difficulty in finding an installation
location, contact your manufacturer.
• Be sure to clean sea water and dust on the heat
exchanger of the outdoor unit and apply a corrosion
inhibitor on it (at least once in a year).
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Installation Procedure
• Check the condition of the product periodically.
– Check the installation site every 3 months and
perform anti-corrosion treatment such as R-Pro
supplied by SAMSUNG (Code: MOK-220SA) or
commercial water repellent grease and wax, etc.,
based on the product condition.
– When the product is to be shut down for a long
period of time, such as off-peak hours, take
appropriate measures like covering the product.
• If the product installed within 500m of seashore,
special anti-corrosion treatment is required.
※ Please contact your local SAMSUNG
representative
for further details.
Outdoor unit installation request
• The suggested space is based on the outdoor
temperature of 35°C while in operation. If the outdoor
temperature is higher than 35°C, secure more space.
• Be sure to secure sufficient clearance for a person and
air flow passage.
• See the clearances and dimensions in Minimum
clearances for the outdoor unit (page 33) when
installing the outdoor unit.
• If you install multiple outdoor units in the same place, be
sure to secure enough space for ventilation and free airflow.
• If the space for ventilation is insufficient, the air
conditioner may not perform well as designed.
Minimum clearances for the outdoor unit
When installing 1 outdoor unit
(Unit: mm)
300 or more
1500 or more
300 or
more
600 or
more
300 or
more
1500 or more
2000 or
more
600 or more
300 or
more
300 or more
1500 or more
When installing more than 1 outdoor unit
(Unit: mm)
1500 or
more
600 or
more
3000 or
more
3000 or
more
300 or
more
300 or
more
600 or
more
600 or
more
600 or
more
300 or more
1500 or
more
600 or
more
600 or
more
600 or
more
600 or
more
1500 or more
300 or more
500 or
more
300 or
more
500 or
more
300 or
more
CAUTION
• The outdoor unit must be installed according to the
specified distance in order to permit accessibility from
each side, to guarantee correct operation, maintenance,
and repair of the unit. The components of the outdoor
unit must be reachable and removable under safe
conditions for people and the unit.
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Installation Procedure
Installation Procedure
WARNING
• Should adopt bar type louver. Don’t use a type of rain
resistance louver.
[Rain resistance louver]
[Bar type louver]
• Louver specifications.
– Angle criteria : less than 20°
– Opening ratio criteria : greater than 80%
WARNING
• After installing the outdoor unit, apply rust inhibitor on
the internal pipes and heat exchanger.
– Airborne corrosive gas such as sulfur compounds,
hydrogen sulfide, and ammonia, or salty dust may
cause pipe corrosion. This corrosion may result in
refrigerant leakage.
– Inspect the outdoor unit at least once a year and
re-apply the rust inhibitor where it is damaged or
worn out.
• When applying rust inhibitor, be sure to follow the
instructions below:
– Turn off the power before spraying the rust
inhibitor.
– Wear protective goggles and a mask in advance.
– Clean the dusty surface with clean fabric or paper
before spraying the inhibitor.
– Make sure that wind is blowing from behind the
worker.
– Do not spray on the PCB panel and electric parts.
CAUTION
• Install the indoor unit away from any interference,
such as radios, computers, and stereo devices, and
also select the place where the electrical wiring work
is possible.
– Keep the unit at least 3 m away from electronic
devices that generate electromagnetic waves, and
install a protection tube for the main power cable
and communication cable.
– Make sure that there is no device that can generate
electromagnetic waves. Otherwise, a malfunction
of the control system may occur. For example, the
indoor unit remote control sensor may not properly
receive signals near fluorescent lamps because of
interference.
• Be sure to install the outdoor unit in a safe place
where it is not affected by snowfall. The frame should
be installed in a place where the air inlet and heat
exchanger of the unit are not buried under snow.
• A ventilation system is required when the outdoor unit
is installed in a closed space or room, even though
R-410A is not poisonous or flammable.
• Install the railing around the outdoor unit to prevent
falling when installed at a high place.
• Avoid installation near exhaust pipes and ventilating
openings exposed to corrosive gas, sulfur oxide,
ammonia, or sulfur gas herbicide. Installations near
these places require anticorrosive treatments. Contact
the manufacturer to avoid corrosion of copper pipes or
soldered parts.
• Depending on the power supply, electric noise or
unstable voltage may happen after malfunctions of the
electrical parts or the control system particularly on
ships or other places using generators.
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Installation Procedure
Moving the outdoor unit with wire rope
1 Before carrying the outdoor unit, fasten two wire ropes of
8 m or longer, as shown in the figure.
2 To prevent damages or scratches effectively, insert a piece
of cloth between the outdoor unit and the ropes.
3 Move the outdoor unit.
Wire rope
Plate protection cloth
Wire rope
Plate protection cloth
• The appearance of the unit may be different from
the picture depending on the model.
Fixing the outdoor unit in place
Fix the outdoor unit with anchor bolts. Make sure that the
anchor bolts are 20 mm or higher from the base surface.
(Unit : mm)
310
109.5 661
880
AC030BXPDKC
338.2
(Unit : mm)
AC036BXPDKC
330
165 620
940
360
330
165 620
940
361
(Unit : mm)
AC048BXPD*C
(Unit : mm)
330
165 620
940
AC054BXPDNC
361
CAUTION
• Install a drain outlet at the lowest end around the base
for the outdoor unit drainage.
• When installing the outdoor unit on the roof,
waterproof the unit and check ceiling strength.
• Make sure that the wall can support the weights of the
rack and the outdoor unit.
• Install the rack close to the column as much as
possible.
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Installation Procedure
Installation Procedure
Optional: Fixing the outdoor unit to a wall with
a rack
Anchor bolt
Designed to cut off residual vibration from
outdoor unit to rack. (not supplied with product)
S
oft rubbe
r designed to cut off vibration from rack to wall.
(not supplied with product)
Base surf
ac
e
20 mm
• Install a proper grommet in order to reduce noise
and residual vibration transferred by the outdoor unit
towards the wall.
CAUTION
• When installing an air guide duct, be sure to check the
following:
– The screws do not damage the copper pipe.
– The air guide duct is fixed firmly on the guard fan.
Step 2 Unpacking
Unpacking the indoor unit
1 Open the indoor unit package.
2 Remove the top and middle cushions.
3 Remove the bottom cushion.
Unpacking the outdoor unit
1 Pull out the outdoor unit from the package.
2 Remove the top cushion.
3 Remove the 4 screws from the wooden pallet.
4 Remove the wooden pallet.
Step 3 Checking and preparing accessories
The following accessories are supplied with the air
conditioner. Their type and quantity may differ depending on
the specifications.
Accessories in the indoor unit package
Fixing bracket for indoor unit (1) Remote control (1)
Installation manual (1) Remote control holder (1)
Batteries for remote control (2) Insulation for piping(1)
M4 X L12 screws (4) M4 X L14 screws (4)
Pipe outlet protection rubber (1) Insulation for drain hose (1)
Accessories in the outdoor unit package
Drain cap (3) Drain plug out (1)
Rubber leg (4)
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Installation Procedure
Step 4 Drilling a hole through a wall
1 Determine the position of a 60 to 65 mm hole considering
possible directions of the pipe bundle and minimum
distances between the hole and installation plate.
2 Drill the hole that slopes slightly downward (15°).
Indoor unit
Outdoor
Ø 60~65 mm
Step 5 Taping the pipes, cables, and
drain hose
1 Wrap the refrigerant pipes with the provided insulation.
This wrapping minimises condensation.
Insulation
Refrigerant pipes
NOTE
Select the insulation of the refrigerant pipe.
• When the accessory parts box (FPC******) is used, be sure
to use the insulator in the accessory parts box. However if
installing in a high humidity condition, use thicker insulator
by referring to the table below.
If installing in an unfavourable conditions, use thicker one.
• Insulate the gas side and liquid side pipe, noting the
insulation thickness that must differ according to the pipe
size.
• Standard: Less than an indoor temperature of 30°C,
with humidity at 85%. If installing in a high humidity
environment, use one grade thicker insulator by referring to
the table below. If installing in an unfavourable environment,
use thicker one.
• The heat-resistance temperature of the insulator must be
more than 120°C.
Pipe
Pipe size
(mm)
Insu
la
tion type
(heating/cooling)
R
ema
rks
Standard
(Less than
30°C,
85%)
High
humidity
(Over 30°C,
85%)
EPDM, NBR (mm)
Liquid
pipe
Ø6.35 to
Ø9.52
9t 9t
The internal
temperature
is higher than
120°C.
Ø12.7 to
Ø19.05
13t 13t
Gas
pipe
Ø6.35 13t 19t
Ø9.52
19t 25t
Ø12.70
Ø15.88
Ø19.05
• When installing insulation in the places and conditions
below, use the same insulation that is used for high
humidity conditions.
<Geological condition>
High humidity locations such as shorelines, hot springs, lake or
riversides, and ridges (when part of the building is covered by earth
and sand)
<Operation purpose condition>
Restaurant ceiling, sauna, swimming pool etc.
<Building construction condition>
Ceilings frequently exposed to moisture and cooling are not covered.
For example, pipes installed at a corridor of a dormitory and studio or
near an exit that opens and closes frequently.
Places (where the pipes are installed) that are highly humid due to a
lack of ventilation.
2 Wind the refrigerant pipes, power cable, communication
cable, and drain hose with vinyl tape to make a pipe
bundle.
Pipe insulator
Vinyl tape
Drain hose
Indoor/outdoor unit
communication
ca
b
le
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Installation Procedure
Installation Procedure
NOTE
• Be sure to insulate the pipes without gaps or cracks,
and use adhesive between the connecting parts of the
insulation to prevent moisture from entering.
• When bending the pipe, try to secure a large bending
radius (over 100 mm) to prevent the copper pipe from
distorting.
• Make sure that the thickness of the insulation does not
get thinner on the pipe’s bending area.
• When the insulation thickness becomes thinner, use
extra insulation to maintain thickness.
• When installing the pipe hanger, use extra PE- foam
insulation (over 5 mm) to make the width of the
insulation 3 times wider than the hanger. Do not use
cable ties as a pipe hanger.
Step 6 Purging inert gas from the
indoor unit
The indoor unit comes with nitrogen gas (inert gas) charged
at the factory. Therefore, all inert gas must be purged before
connecting the assembly piping.
Unscrew the pinch pipe at the end of each refrigerant pipe.
High pressure
pipe
Low
pressure
pipe
NOTE
• To prevent dirt or foreign objects from getting into the pipes
during installation, do not remove the pinch pipe completely
until you are ready to connect the piping.
Step 7 Optional: Cutting and flaring
the pipes
1 Make sure that you have the required tools available: pipe
cutter, reamer, flaring tool, and pipe holder.
2 If you wish to shorten the pipes, cut them with a pipe
cutter, ensuring that the cut edge remains at a 90° angle
to the side of the pipe. Refer to the illustrations below for
examples of edges cut correctly and incorrectly.
Pipe cutter
Pipe
90°
Oblique Rough Burr
3 To prevent any gas from leaking out, remove all burrs at
the cut edge of the pipe, using a reamer.
4 Slide a flare nut on to the pipe and modify the flare.
D
A
Flare
90° ±2°
45° ±2°
Pipe
R 0.4 to 0.8 mm
D
L
Flare
Outer Diameter (D) Depth (A) Flare dimension (L)
Ø 6.35 mm 1.3 mm 8.7 to 9.1 mm
Ø 9.52 mm 1.8 mm 12.8 to 13.2 mm
Ø 12.70 mm 2.0 mm 16.2 to 16.6 mm
Ø 15.88 mm 2.2 mm 19.3 to 19.7 mm
Ø 19.05 mm 2.2 mm 23.6 to 24.0 mm
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Installation Procedure
5 Check that the flaring is correct, referring to the
illustrations below for examples of incorrect flaring.
2
1
3
Correct Inclined Damaged
surface
Cracked
Uneven
thickness
CAUTION
• If the pipes require brazing ensure that OFN (Oxygen
Free Nitrogen) is flowing through the system.
• Nitrogen blowing pressure range is 0.02 to 0.05 MPa.
Step 8 Connecting the refrigerant
pipes
Items Maximum allowable length [m]
Outdoor unit
models
AC030BXPDKC
AC036BXPDKC
AC
048BXPD*C
AC054BXPDNC
Main pipe (L1) 50 75
Max. height
difference between
outdoor and indoor
unit (h1)
30 30
n=1
Outdoor
L₁
indoor
h₁
• Temper grade and minimum thickness of the
refrigerant pipe
Outer diameter [mm]
Minimum thickness
[mm]
Temper grade
ø6.35 0.7
C1220T-O
ø9.52 0.7
ø12.70 0.8
ø15.88 1.0
ø15.88 0.8
C1220T-1/2H OR
C1220T-H
ø19.05 0.9
ø22.23 0.9
1 Connect each assembly pipe to the appropriate valves on
the indoor and outdoor units and fasten the flare nuts.
2 As depicted in the illustration below, tighten the flare
nut manually, and then apply the following torque with a
torque wrench.
Indoor unit
Liquid side
service valve
Gas side
service valve
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Installation Procedure
Installation Procedure
Outdoor unit
Liquid Gas
Outer Diameter (D, mm) Fastening torque (N·m)
6.35 14 to 18
9.52 34 to 42
12.7 49 to 61
15.88 68 to 82
19.05 100 to 120
WARNING
• During installation, make sure that there is no gas
leakage. When collecting refrigerant, first stop the
compressor. If the refrigerant pipe is not properly
connected and compressor runs with the service valve
open, the pipe takes in air and the pressure rises, which
may cause explosion or injury.
CAUTION
• Be sure to use C1220T-1/2H(Semi-hard) pipe for bigger
than Ø19.05 mm. If you use C1220T-0(Soft) for bigger
than Ø19.05 mm, the pipe may be broken, which can
result in an injury.
Make at least one round:
It will reduce noise and vibration
After
connectiong
the pipes, block
the part .
(A) Heat radiation holes
Do not block the holes.
• The appearance of the unit may be different from the
diagram depending on the model.
CAUTION
Pipe outlet
• Cut the pipe outlet to the exact pipe size. In addition,
remove foreign substances and burres aroud the outlet.
• Perform cutting with only a cutter (ex. nipper)and
never tap with a hammer near the pipe outlet.
Otherwise, it may cause product damage such as
warping of the cabinet.
• After connecting the pipes with Pipe outlet, plug the
space around the pipes.
• After connecting the pipes, proceed exactly as directed
in the guide to prevent interference with the internal
parts.
• Tighten the nuts to the specified torques. If
overtightened, the nuts could be broken so refrigerant
may leak.
• Protect or enclose refrigerant tubing to avoid
mechanical damage.
• After installing pipes, block the unused knock hole
to prevent small animal from entering. However, the
radiant heat hole(A) should be able to intake air.
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Installation Procedure
Step 9 Connecting the power and
communication cables
CAUTION
• Always remember to connect the refrigerant pipes
before performing the electric connections.
When disconnecting the system, always disconnect the
e
l
ectric cables before disconnecting the refrigerant
pipes.
• Always remember to connect the air conditioner to
the grounding system before performing the electric
connections. Use a crimp ring terminal at the end of
each wire.
Electrical work must be done by the certified personnel.
• Wiring work should be performed in compliance with
related regulations following technical specifications
and installation guide.
• Be sure to install an exclusive power supply. If you use a
power strip for multiple electrical connections, there is
a risk of electric shock or fire.
• Be sure to install a circuit breaker with a rated current
sensitivity of over 30 mA.
• Fasten the screws on the terminal block to be within
the rated range and so that they do not loosen.
• Be sure to connect the ground wire. Install the power
wire and make sure it is shorter than 50 m. If the length
of the power wire exceeds 50 m, the product may not
work properly or the wire may be damaged.
1 Remove the screw on the electrical component box and
remove the cover plate.
2 Route the cables through the sides or back of the indoor
unit and then connect them to the terminals noting the
figure below.
3 Route the other end of the cable to the outdoor unit
through the ceiling & the hole on the wall.
4 Reassemble the electrical component box cover, carefully
tightening the screw.
AC030/036/048BNPDKC (1-pahse)
Indoor Unit
Outdoor Unit
1(L)
1(L)
2(N)
F1
F2
L N
F1
F2
2(N)
Cable clamp
Communication
F1/F2
DC 12V
V1/V2 Connector
Wi-Fi Kit Connection
Indoor power
cable
Main power
cable
Communication
cable
Cable tie
AC048/054BNPDKC (3-pahse)
Indoor Unit
Outdoor Unit
1(L)
1(L)
F1 F2
2(N)
L1(R)
L2(S)
L
N
F1 F22(N)
Indoor power cable
Main power
cable
Cable tie
Communication
cable
Cable clamp
Communication
F1/F2
DC 12V
V1/V2 Connector
Wi-Fi Kit Connection
NOTE
• DC12V Connection for Wi-Fi Kit : Cut the wires of the
V1/V2 connector and then connect the wires to the
Wi-Fi Kit.
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Installation Procedure
Installation Procedure
Outdoor-to-indoor power and communication
cables specifications
Indoor power supply
Power supply Max/Min (V) Indoor power cable
1Φ, 220-240V,
50/60 Hz
±10% 0.75 mm² ↑, 3 wires
Communication cable
0.75 mm², 2 wires
NOTE
• Power supply cords of parts of appliances for outdoor
use shall not be lighter than polychloroprene sheathed
flexible cord.
– Code designation
– [1-phase] IEC: 60245 IEC 57 / CENELEC: H05RN-F
grade or more
[3-phase] IEC: 60245 IEC 66 / CENELEC: H07RN-F
grade or more
• When installing the indoor unit in a computer room
or net work room, use the double shielded (tape
aluminium / polyester braid + copper ) cable of
FROHH2R type.
CAUTION
• Use rated cables or products only, with heat resistance
over 105°C, as well as properly rated switches or fuses
in the cabinet panel.
• Make sure that the cables connected do not produce
sparks around the auxiliary power switch or that they
are not installed in a place subject to high temperature.
High ambient temperature decreases allowable
current.
• Install the auxiliary power switch in a dry place, install
the panel board or electrical component box, and then
install the circuit breaker in the panel board.
• When connecting the main power cable, press the cable
to the terminal for a secure connection.
• Select a ring terminal for use.
R
B
2
Silver solder
d2
D
d1
B
F
E
L
Thickness of the wire
(mm²)
B (mm) d2 (mm)
2.5 Less than 9.5 More than 4.5
4 Less than 9.5 More than 4.5
6 Less than 9.5 More than 4.5
10 Less than 15 More than 8.4
Connecting the cable to the power terminal
Connect the cables to the terminal board with the ring
terminals.
NOTE
• Be sure to use the certified and rated cables and firmly
connect them without applying any external force to
the ring terminal.
• Connect with a driver and wrench that can apply the
rated torque to the screws.
• Connect the terminal screws in compliance with the
rated tightening torques.
• If the terminal is loose, a fire may occur, caused by
arcing electricity. If the terminal is connected too
firmly, the terminal may be damaged.
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Installation Procedure
Screw
Tightening torque for terminal
(kgf∙cm)
M3 5 to 7.5
M3.5 8 to 12
M4 12 to 18
M5 20 to 30
M6 25 to 37.5
R
S T N
When connecting two cables to a ring terminal, separate the ring
terminal up or down to prevent it from getting loose. Place the thin
cable upward and the thick cable downward. Fix the power cables
with a cable tie.
Cable tie
Thin cable
Solderless ring
terminal
Thick cable
Connecting the cables
• This product uses a single phase power, with 220 to
240V supply.
• When connecting the outdoor-to-indoor power cables,
be sure to match the numbers (or letters) between the
outdoor and indoor units. Connect the communication
cable to the connector included in the electrical
component box for each unit. When the outdoor-
to-indoor power cables are connected incorrectly, a
malfunction of the product may occur.
• When connecting the communication and outdoor-to-
indoor power cables, make sure these cables do not
touch the service valve on the refrigerant pipe on the
gas side or the pipes without proper insulation. Fix the
outdoor-to-indoor power cables to the insulated pipes.
• Be sure to comply with the wiring standards, as there
may be a risk of fire.
• Make sure to install the circuit breaker firmly inside the
electrical component box.
Entire system diagram
Communication cable
Outdoor-to-indoor power cable
Earthing
Ground wire
Indoor unit
Electrical panel
NFB Single
phase 220 to
24
0V, 50/60Hz
Outdoor unit
Main power cable
ELB
Power wiring diagram
1(L)
2(N)
F1
F2
L
N
Outdoor-to-indoor
power cable
cable tie
Communication
cable
power supply cable (Single
phase AC 220-240V, should be
purchased on-site)
Indoor and outdoor unit connection diagram
Outdoor unit
Indoor unit
1(L)
1(L)
2(N)
2(N)
F1
F1
F2
F2
L
N
Main power cable specifications
The power cable is not supplied with air conditioner.
• Select the power supply cable in accordance with
relevant local and national regulations.
• Wire size must comply with the applicable local and
national code.
• Specifications for local wiring power cord and branch
wiring are in compliance with local cord.
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Installation Procedure
Installation Procedure
Model Outdoor unit Input Current[A] Power supply
Outdoor unit Indoor unit
Rated Voltage Range Outdoor (Down_Amp)
Indoor Total MCA MFA
Hz Volts Min. Max. Cooling
AC030BXPDKC
AC030BNPDKC 50/60 220 ~ 240 198 264 20 2.0 22.0 22.0 25.0
AC036BXPDKC
AC036BNPDKC 50/60 220 ~ 240 198 264 24 2.0 26.0 26.0 30.0
AC048BXPDKC
AC048BNPDKC 50/60 220 ~ 240 198 264 32 2.0 34.0 34.0 40.0
AC048BXPDNC
AC048BNPDKC 50/60 380 ~ 415 342 457 12 2.0 14.0 14.0 15.0
AC054BXPDNC
AC054BNPDKC 50/60 380 ~ 415 342 457 12 2.0 14.0 14.0 15.0
NOTE
1 Voltage range
• Units are suitable for use on electrical systems where voltage supplied to unit terminal is not below or above listed
range limits
2 Maximum allowable voltage variation between phases is 2%.
3 Wire size & type must comply with the applicable local and national code.
• Wire size: Based on the value of MCA.
• Wire type: 60245 IEC57(IEC) or H05RN-F(CENELEC) grade or more.
4 MFA is used to select the circuit breaker and the ground fault circuit interrupter (earth leakage circuit breaker).
5 MCA represents maximum input current.
• MFA represents capacity which may accept MCA
• Abbreviations
MCA: Min. Circuit Amps. (A)
MFA: Max. Fuse Amps. (A)
Step 10 Optional: Extending the power
cable
1 Prepare the following tools.
Tools Spec Shape
Crimping pliers MH-14
Connection sleeve
(mm)
20 x Ø6.5 (H x OD)
Insulation tape Width 19 mm
Contraction tube
(mm)
70 x Ø8.0 (L x OD)
2 As shown in the figure, peel off the shields from the
rubber and wire of the power cable.
• Peel off 20 mm of cable shields from the pre-
installed tube.
Power cable
(Unit: mm)
20
20
20
60
120
180
180
120
60
20
20
20
Pre-installed
tube for the
power cable
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Installation Procedure
CAUTION
• For information about the power cable specifications
for indoor and outdoor units, refer to the installation
manual.
• After peeling off cable wires from the pre-installed
tube, insert a contraction tube.
3 Insert both sides of core wire of the power cable into the
connection sleeve.
• Method 1: Push the core wire into the sleeve from
both sides.
• Method 2: Twist the wire cores together and push it
into the sleeve.
Method 1
Connection sleeve
Connection sleeve
Method 2
CAUTION
• If cable wires are connected without using connecting
sleeves, their contact area becomes reduced, or
corrosion develops on the outer surfaces of the wires
(copper wires) over a long time. This may cause an
increase of resistance (reduction of passing current)
and consequently may result in a fire.
4 Using a crimping tool, compress the two points and flip it
over and compress another two points in the same location.
• The compression dimension should be 8.0 mm².
Compression
dimension
• After compressing it, pull both sides of the wire to
make sure it is firmly pressed.
Method 1
Compress it 4 times.
5 mm 5 mm
Compress it 4 times.
Method 2
5 Apply heat to the contraction tube to contract it.
Method 1
Contraction tube Contraction tube
Method 2
6 Wrap it with the insulation tape twice or more and
position your contraction tube in the middle of the
insulation tape.
Method 1 Method 2
40 mm
Insulation tape Insulation tape
35 mm
7 After tube contraction work is completed, wrap it with the
insulation tape to finish.
Three or more layers of insulation are required.
Method 1
IInsulation tape
IInsulation tape
Method 2
CAUTION
• Make sure that the connection parts are not exposed
to outside.
• Be sure to use insulation tape and a contraction tube
made of approved reinforced insulating materials
that have the same level of withstand voltage with
the power cable. (Comply with the local regulations on
extensions.)
WARNING
• In case of extending the electric wire, please DO NOT
use a round-shaped Pressing socket.
– Incomplete wire connections can cause electric
shock or a fire.
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Installation Procedure
Installation Procedure
Step 11 Setting the indoor unit addresses
and the installation options
You cannot set both of the indoor unit addresses and the
installation options in a batch: set both of them respectively.
Common steps for setting the addresses and
options
Low Temp button
High Temp button
Mode button
Low Fan button
High Fan button
Setting the
option values
Entering the
mode for setting
the options
NOTE
• The remote control display and buttons may vary
depending on the model.
1 Enter the mode for setting the options:
a Remove the batteries from the remote control,
and then insert them again.
b While holding down the (High Temp) and
(Low Temp) buttons simultaneously, insert the
batteries int
o the remote control.
c Make sure that you are entered to the mode for
setting the options:
2 Set the option values.
CAUTION
• The total number of available options are 24: SEG1 to
SEG24.
• Because SEG1, SEG7, SEG13, and SEG19 are the page
options used by the previous remote control models,
the modes to set values for these options are skipped
automatically.
• Set a 2-digit value for each option pair in the following
order: SEG2 and SEG3 → SEG4 and SEG5 → SEG6 and
SEG8 → SEG9 and SEG10 → SEG11 and SEG12 → SEG14
and SEG15 → SEG16 and SEG17 → SEG18 and SEG20 →
SEG21 and SEG22 → SEG23 and SEG24
SEG1 SEG2 SEG3 SEG4 SEG5 SEG6
0 X X X X X
SEG7 SEG8 SEG9 SEG10 SEG11 SEG12
1 X X X X X
SEG13 SEG14 SEG15 SEG16 SEG17 SEG18
2 X X X X X
SEG19 SEG20 SEG21 SEG22 SEG23 SEG24
3 X X X X X
On (SEG1 to SEG12) Off (SEG13 to SEG24)
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Installation Procedure
Take the steps presented in the following table:
Steps Remote control display
1 Set the SEG2 and SEG3 values:
a Set the SEG2 value by pressing the
(Low Fan) button repeatedly until the value
you want to set appears on the remote control display.
SEG2
b Set the SEG3 value by pressing the
(High Fan) button repeatedly until the value
you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG3
2 Press the
(Mode) button. Cool and On appear on the remote control display.
3 Set the SEG4 and SEG5 values:
a Set the SEG4 value by pressing the
(Low Fan) button repeatedly until the value
you want to set appears on the remote control display.
SEG4
b Set the SEG5 value by pressing the
(High Fan) button repeatedly until the value
you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG5
4 Press the
(Mode) button. Dry and On appear on the remote control display.
5 Set the SEG6 and SEG8 values:
a Set the SEG6 value by pressing the
(Low Fan) button repeatedly until the value
you want to set appears on the remote control display.
SEG6
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Installation Procedure
Installation Procedure
Steps Remote control display
b Set the SEG8 value by pressing the
(High Fan) button repeatedly until the value
you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG8
6 Press the
(Mode) button. Fan and On appear on the remote control display.
7 Set the SEG9 and SEG10 values:
a Set the SEG9 value by pressing the
(Low Fan) button repeatedly until the value
you want to set appears on the remote control display.
SEG9
b Set the SEG10 value by pressing the (High Fan) button repeatedly until the value
you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG10
8 Press the (Mode) button. Heat and On appear on the remote control display.
9 Set the SEG11 and SEG12 values:
a Set the SEG11 value by pressing the
(Low Fan) button repeatedly until the value
you want to set appears on the remote control display.
SEG11
b Set the SEG12 value by pressing the (High Fan) button repeatedly until the value
you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG12
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Installation Procedure
Steps Remote control display
10 Press the
(Mode) button. Auto and Off appear on the remote control display.
11 Set the SEG14 and SEG15 values:
a Set the SEG14 value by pressing the
(Low Fan) button repeatedly until the value
you want to set appears on the remote control display.
SEG14
b Set the SEG15 value by pressing the
(High Fan) button repeatedly until the value
you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG15
12 Press the
(Mode) button. Cool and Off appear on the remote control display.
13 Set the SEG16 and SEG17 values:
a Set the SEG16 value by pressing the
(Low Fan) button repeatedly until the value
you want to set appears on the remote control display.
SEG16
b Set the SEG17 value by pressing the
(High Fan) button repeatedly until the value
you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG17
14 Press the
(Mode) button. Dry and Off appear on the remote control display.
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Installation Procedure
Installation Procedure
Steps Remote control display
15 Set the SEG18 and SEG20 values:
a Set the SEG18 value by pressing the
(Low Fan) button repeatedly until the value
you want to set appears on the remote control display.
SEG18
b Set the SEG20 value by pressing the
(High Fan) button repeatedly until the value
you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG20
16 Press the
(Mode) button. Fan and Off appear on the remote control display.
17 Set the SEG21 and SEG22 values:
a Set the SEG21 value by pressing the
(Low Fan) button repeatedly until the value
you want to set appears on the remote control display.
SEG21
b Set the SEG22 value by pressing the
(High Fan) button repeatedly until the value
you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG22
18 Press the
(Mode) button. Heat and Off appear on the remote control display.
19 Set the SEG23 and SEG24 values:
a Set the SEG23 value by pressing the
(Low Fan) button repeatedly until the value
you want to set appears on the remote control display.
SEG23
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Installation Procedure
Steps Remote control display
b Set the SEG24 value by pressing the
(High Fan) button repeatedly until the value
you want to set appears on the remote control display.
When you press the
(Low Fan) or (High Fan) button, values appear in the
following order:
SEG24
3 Check whether the option values that you have set are correct by pressing the
(Mode) button repeatedly
[SEG2, SEG3]
[SEG14, SEG15]
[SEG4, SEG5]
[SEG16, SEG17]
[SEG6, SEG8]
[SEG18, SEG20]
[SEG9, SEG10]
[SEG21, SEG22]
[SEG11, SEG12]
[SEG23, SEG24]
4 Save the option values into the indoor unit:
Point the remote control to the remote control sensor on the indoor unit and then press the
(Power) button on the
remote control twice. Make sure that this command is received by the indoor unit. When it is successfully received, you can
hear a short sound from the indoor unit. If the command is not received, press the
(Power) button again.
5 Check whether the air conditioner operates in accordance with the option values you have set:
a Reset the indoor or outdoor unit.
• Indoor unit : Press the
(Set) and (Low Fan) buttons on the remote control simultaneously for 4 seconds.
• Outdoor unit : Press the K3 button.
b Remove the batteries from the remote control, insert them again, and then press the
(Power) button on the remote
control.
Setting the indoor unit addresses
Option No. for an indoor unit address: 0AXXXX-1XXXXX-2XXXXX-3XXXXX
Before installing an indoor unit, be sure to set an address for the indoor unit by taking the following steps:
1 Make sure that the power is supplied to the
indoor unit. If the indoor unit is not plugged in,
it must include a power supply.
1(L)
F1
F1
2(N)
Indoor Unit
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Installation Procedure
Installation Procedure
2 Set an address for each indoor unit using the remote control, according to your air conditioning system plan, by referring to
the following table and by following the steps in Common steps for setting the addresses and options on page 46.
• The indoor unit addresses (main and RMC addresses) are set to 0A0000-100000-200000-300000 by default.
• If indoor units and outdoor units match 1:1, you don’t need to set the main address because it is automatically set
by the outdoor unit.
• If you are using on or off controller, set RMC address.
Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6
Function Page Mode Setting main address
Reserved
Indoor unit number Indoor unit number
Indication
and details
Indication Details Indication Details Indication Details Indication Details Indication Details
0 A
0
No main
address
0 to 1 Tens digit 0 to 9
Units
digit
1
Main address
setting mode
Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12
Function Page
Reserved
Setting RMC address
Reserved
Group channel (x16) Group address
Indication
and details
Indication Details Indication Details Indication Details Indication Details
1
0
No RMC
address
RMC1 0 to 2 RMC2 0 to F
1
RMC address
setting mode
CAUTION
• The main address must be set to a value in the range 0 to 15. If you set other values, communication error will occur.
• If any of SEG5 and SEG6 is set to a value in the range A to F, the main address of the indoor unit does not change.
• If SEG3 is set to 0, the indoor unit maintains the existing main address even if SEG6 is set to a new value.
• If SEG9 is set 0, the indoor unit maintains the existing RMC address even if SEG11 and SET12 are set to new values.
Setting the installation options in a batch
Option No. for an indoor unit address: 02XXXX-1XXXXX-2XXXXX-3XXXXX
1 Make sure that the power is supplied to the
indoor unit. If the indoor unit is not plugged in,
it must include a power supply.
1(L)
F1
F1
2(N)
Indoor Unit
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Installation Procedure
2 Set the installation options of indoor units, by referring to the following table and by following the steps in Common steps for
setting the addresses and options on page 46.
• The installation options of indoor units are set to 020000-100000-200000-300000 by default.
Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6
Function Page Mode
Reserved Reserved
Use of central
control
Reserved
Indication
and
details
Indication Details Indication Details Indication Details
0 2
0 Disuse
1 Use
Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12
Function Page
Reserved Reserved Reserved Reserved Reserved
Indication
and
details
Indication Details
1
Option SEG13 SEG14 SEG15 SEG16 SEG17 SEG18
Function Page
Use of external control
Reserved Reserved Reserved
Indication
and
details
Indication Details
Indication
Details
0 Disuse
Existing
Control
1 On/Off control
2 off control
3
Window on/off
control
4 Disuse
5 On/Off control
6 off control
7
Window on/off
control
8 Disuse
Reverse
Control
9 On/Off control
A off control
B
Window on/off
control
C Disuse
D On/Off control
E off control
F Window on/off control
Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24
Function Page
Reserved Reserved Reserved Reserved Reserved
Indication
and
details
Indication Details
3
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Installation Procedure
Installation Procedure
Emergency Temperature Output (ETO) function
CAUTION
• In order to deploy the ETO function, the MIM-B14, an external contact interface module, must be installed in each
indoor unit.
– The ETO is a concept of emergency operation of indoor units. If the indoor unit 1 (main indoor unit) stops because of
an error, the indoor unit 2 (sub indoor unit) starts to operate.
– Basically, the indoor unit 2 operates in the previous mode. [For the first time operation, it starts in 24 °C Auto mode.]
– To set more detailed operation conditions for the indoor unit 2, use the S-net Pro.
Setting up the ETO
Communication between indoor and
outdoor units (F1 and F2)
External contact
interface module
MIM-B14
Error output port (1, 2)
Contact input port (5, 6)
Main indoor unit
Sub indoor unit
1 Main indoor unit
– Disable the external contact control (Default).
– Connect the S-net pro2 to F1 and F2.
– Enable the ETO function and set the temperature and time.
2 Sub indoor unit
– (Required) Enable the external contact control (with the installation option SEG14 - Reverse Control).
– Connect the S-net pro2 to F1 and F2.
– Enable the entrance control and set the mode, set temperature, and fan speed.
[Master] [Slave]
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Installation Procedure
ETO operation specifications
1 Main indoor unit
– Based on the external contact control settings, the main indoor unit decides whether to generate output when an
error (indoor unit stop) occurs.
– Based on the ETO settings, the main indoor unit decides whether to generate output according to the temperature
and time conditions.
2 Sub indoor unit
– Based on the entrance control settings, the sub indoor unit decides the mode, set temperature, and fan speed when
contact inputs are given.
Main indoor unit
Enable of ETO Enable of external contact Error port output
X X N/A
X O Output due to an error
O X
Output by ETO entrance conditions
(temperature / time / error occurrence)
O O
Output b
y ETO entrance conditions
(temperature / time / error occurrence)
※ Ready
to control the main contact input
Sub indoor unit
Enable of entrance control Enable of external contact Operation when outputting Main
X X N/A
X O On with the previous operation conditions
O O On with the entrance control enabled
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Installation Procedure
Installation Procedure
Step 12 Checking the earthing
If the power distribution circuit does not have a earthing or
the earthing does not comply with specifications, an earthing
electrode must be installed. The corresponding accessories
are not supplied with the air conditioner.
1 Select an earthing electrode that complies with the
specifications given in the illustration.
2 Connect the flexible hose to the flexible hose port.
• In damp hard soil rather than loose sandy or gravel
soil that has a higher earthing resistance.
• Away from underground structures or facilities,
such as gas pipes, water pipes, telephone lines and
underground cables.
• At least two metres away from a lightening
conductor earthing electrode and its cable.
NOTE
• The earthing wire for the telephone line cannot be used
to ground the air conditioner.
Carbon plastic
50cm
PVC-insulated
green/yellow
wire
To gr
ounding screw
Steel core
30cm
Terminal M4
3 Finish wrapping insulating tape around the rest of the
pipes leading to the outdoor unit.
4 Install a green/yellow coloured earthing wire:
• If the earthing wire is too short, connect an
extension lead in a mechanical way and wrap it with
insulating tape (do not bury the connection).
• Secure the earthing wire in position with staples.
NOTE
• If the earthing electrode is installed in an area with
heavy traffic, its wire must be connected securely.
5 Carefully check the installation by measuring the earthing
resistance with a earth resistance tester. If the resistance
is above the required level, drive the electrode deeper into
the ground or increase the number of earthing electrodes.
6 Connect the earthing wire to the electrical component
box inside of the outdoor unit.
Step 13 Performing gas leakage test
Use nitrogen gas at a pressure range between 0.2 and 4.1 MPa
when testing the gas leakage. If you apply pressure at over 4.1
MPa, the refrigerant pipes may be damaged.
Manifold gauge
High pressure side
Low pressure side
Liquid
Gas
1
Nitrogen gas
2
Outdoor unit
Vacuum
pump
1 Connect the charging hose of low pressure side of
manifold gauge to the packed valve having a service port
as shown at the figure.
NOTE
• The designs and shape are subject to change according
to the model.
2 Open the valve of the low pressure side (A) of the
manifold gauge anticlockwise.
3 Connect the manifold gauge to the nitrogen gas.
4 Apply nitrogen gas.
5 Check the change of pressure with a pressure regulator.
6 Check the gas leakage at the connection part or brazed
part by using soap water.
7 Open the manifold gauge to discharge nitrogen.
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Installation Procedure
Step 14 Evacuating the air
1 Connect the manifold gauge to a vacuum pump.
2 Purge the air from the system using the vacuum pump for
about 30 minutes.
• Make sure that pressure gauge shows -0.1006 Mpa
after about 30 minutes.
• Use a vacuum pump that is at least 140 ℓ/min in
capacity.
• Make sure that vacuuming timing is longer when
the piping gets longer.
• Pressure will not drop even after 5 minutes of
vacuuming when there is moisture within the pipe.
In this case, apply nitrogen gas again, and then
purge the air again.
Step 15 Charging the refrigerant
1 Measure the quantity of refrigerant depending on the
length of the liquid side pipe.
NOTE
• When the pipe length exceeds the standard pipe length
of 5 m, charge refrigerant according to the increased
length. Do not charge refrigerant by assuming the
quantity through the pressure gauge. When the pipe
length is shorter than the standard, you do not need to
charge refrigerant.
Model name
Refrigerant amount
Standard
(less 5m)
A
dditiona
l
(over 5m)
g g/m
AC030BXPDKC 2000 10
AC036BXPDKC 2600 30
AC048BXPDKC
AC048BXPDNC
2900 30
A
C054BXPDNC 3800 30
Outdoor unit
Manifold gauge
High pressure
side
Low pressure side
Ref.
Vacuum
pump
(Scale)
Liquid side service valve
Indoor unit
Gas side service valve
Open the manifold gauge valve connected to the liquid service
valve and add refrigerant to reach the fixed quantity noting
the scale.
NOTE
• If you cannot add refrigerant when the operation of the
outdoor unit is stopped, open the gas and liquid service
valves and add remaining refrigerant by pressing the
cooling trial operation button.
• After charging, completely open the spindles of the
both the gas and liquid side service valves by rotating
them anti-clockwise. (Do not press them further if the
spindle hits the stopper.)
• Fasten the caps of the service valves for the gas and
liquid pipes including the cap nut of the charging port.
– There may be slight refrigerant leakage when you
open the spindle with a wrench. This is not a failure
of the product.
– Use a wrench that can apply the appropriate force.
Tightening torque for body cap
(Refer to the table)
Spindle
Charging core
Tightening torque for charging port cap (Refer to the table)
R-22: Thread of the screw - 7/16-2OUNF
R-410A: Thread of the screw -1/2-2OUNF
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Installation Procedure
Installation Procedure
Outer diameter (mm)
Tightening torque
Body cap (N•m) Charging port cap (N•m)
ø 6.35 20 to 25
10 to 12
ø 9.52 20 to 25
ø 12.70 25 to 30
ø 15.88 30 to 35
Over ø 19.05 35 to 40
(1 N•m = 10 kgf•cm)
NOTE
• Be extra cautious for the gas leakage from the 3-way
valve’s stem nuts (gas side), and from the service port
cap.
Pressure table for each temperature
If extra refrigerant charging is required due to gas leakage or
product relocation, see the following table.
Cooling operation
Unit: [kPa, G]
Indoor temperature (°C)
(Dry bulb /
Wet bulb)
O
u
tdoor temperature (°C)
32/23 27/19 21/15
46 1040 850 730
35 920 750 640
21 830 690 590
7 690 540 490
-15 550 400 370
NOTE
• Pressure for each temperature was measured at the
gas side service valve.
Step 16 Fixing and insulating the
connection part for refrigerant pipes
CAUTION
• Before wrapping the connection part for refrigerant
pipes, be sure to check whether there is gas leakage on
the connection part.
1 Wrap the foam insulation around the connection
part as shown in the figure. This wrapping minimises
condensation.
High
pressure
pipe
Low
pressure
pipe
Pipe insulation
Insulator for pipe
connection part
30 mm or more
NOTE
• Use polyethylene foam over 5 mm thick to insulate the
connection.
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Installation Procedure
2 Fasten the pipes with a pipe clamp and fix it with screws.
WARNING
• Remove the middle part of the pipe outlet protection
rubber before inserting the pipe.
Pipe outlet
protection rubber
Step 17 Installing and connecting the
drain hose
1 Wrap the drain hose with the provided insulation. This
wrapping minimises condensation.
Drain hose
Insulation
2 Insert the end of the drain hose to the extension drain
hose to make a connection.
3 Tightly wrap the connection part with a cable tie or tape
for fixing.
Connecting drain hose
Insulation
(foamed polyethylene)
Drain h
ole for duct
(polypropylene)
Drain h
ose
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Installation Procedure
Installation Procedure
• When the hole of the drain hose on the wall is lower
than that of the drain hose connection
Indoor unit
• When the hole of the drain hose on the wall is higher
than that of the drain hose connection
Indoor unit
Inside indoor unit
Step 18 Performing drainage test
Put the water bottle deeply into the first blade on the left of
the air outlet and slowly pour water.
Water bottle
CAUTION
• Install the drain hose in a downward direction.
• Water leakage may occur when the drain hose is not
firmly fixed with a cable tie or tape.
• If there is any foreign substance in the drain pan, it
may clog the drain hose. Be sure to remove the foreign
substance after installation.
• Do not use the drain hose connected by multiple drain
hoses.
– Water may leak from the extension connection part.
Install the drain hose for each piece.
– If its length is too short and you cannot avoid
the connecting multiple drain hoses, be sure to
use silicone sealant or other material for water-
proofing. Do not use the insulating tape.
Step 19 Checking the earthing
Before supplying main power, use a DC 500V insulation
resistance tester to measure the resistance between the
power terminals (L, N) and the outdoor unit earthing. Make
sure that the measurement comes to 30 MΩ.
CAUTION
• Do not test the communication terminals with the DC
500V insulation resistance tester. Failure to do so may
damage the communication circuit.
• Use a common circuit tester to test the communication
terminals for open or short circuit.
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Installation Procedure
Step 20 Performing the final check
and trial operation
1 Check the power supply between the outdoor unit and the
auxiliary circuit breaker.
• 1 phase power supply: L, N
• 3 phase power supply: R, S, T, N
2 Check the indoor unit.
• Check that you have connected the power and
communication cables correctly. If the power
cable and communication cables one mixed up or
connected incorrectly, the PCB will be damaged.
• Check that the thermistor sensor, drain pump/hose,
and display are connected correctly.
3 Press K2 on the outdoor unit PCB to run the test mode
and stop.
Key Push type Mode
Display
SEG 1 SEG 2 SEG 3 SEG 4
K2 Short
1st Cooling test mode
2nd Inverter check
3rd Pump down
4th Not applicable
5th
Inverter Fault
Detection (Comp#1)
¹⁾
6th Auto trial operation
7th Not applicable
8th End Key operation
AC030BXPDKC
AC036/048/054BXPD*C
4 After 12 minutes of stationary conditions check each
indoor unit air treatment:
• Cooling mode (indoor unit check) → Inlet air temp. -
Outlet air temp.: From 10°C to 12°C
5 How to reset the power supply of the outdoor unit and
deactivate the eco mode (standby mode):
• Outdoor unit types A, B and C: Press the K3 button
for over 1 second to reset the power supply of the
outdoor unit and deactivate the eco mode (standby
mode).
¹⁾ Indication on the display and action to take when an
inverter fault is detected
SEG1 SEG2 SEG3 SEG4 Action to take
Fault detection
is in progress
-
OK
-
NG
PBA defect:
Replace the PBA
Check
Manual inspection
is required
Going into
fault detection
mode failed
Try fault detection
again
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Installation Procedure
Installation Procedure
6 View mode: When the K4 switch is pressed, you can see information about our system state, as detailed below.
K4
short
push
Display contents SEG1 SEG2 SEG3 SEG4 Unit
1 Order frequency 1 Hundreds digit Tens digit Units digit Hz
2 Current frequency 2 Hundreds digit Tens digit Units digit Hz
3
The number of current
indoor units
3 Hundreds digit Tens digit Units digit EA
4
The sensor for outdoor
air intake
4 + / - Tens digit Units digit °C
5 Discharge sensor 5 Hundreds digit Tens digit Units digit °C
6 Eva-Mid sensor 6 + / - Tens digit Units digit °C
7 Cond sensor 7 + / - Tens digit Units digit °C
8 Current 8 Tens digit Units digit
The first place of
decimals
A
9 Fan RPM 9 Thousands digit Hundreds digit Tens digit rpm
10
Target discharge
temperature
A Hundreds digit Tens digit Units digit °C
11 EEV B Hundreds digit Tens digit Units digit step
12
The capacity sum of indoor
units
C Tens digit Units digit
The first place of
decimals
kW
13 Protective control D 0: Cooling
Protective control
0: No Protective control
1: Freezing
2: Non-stop defrosting
3: Over-load
4: Discharge
5: Total electric current
Frequency status
0: Normal
1: Hold
2: Down
3: Up_limit
4: Down_limit
-
14
The temperature of heat
radiating plate
E Hundreds digit Tens digit Units digit -
15
The number of connected
indoor units
F Hundreds digit Tens digit Units digit EA
Display contents SEG1 SEG2 SEG3 SEG4
K4 long
push
- Main micom version Year (Dec) Month (Hex) Date (Tens digit) Date (Units digit)
After short push 1 Inverter micom version Year (Dec) Month (Hex) Date (Tens digit) Date (Units digit)
After short push 2 E2P version Year (Dec) Month (Hex) Date (Tens digit) Date (Units digit)
After short push 3
Page 1 - AUTO
Page 2 - (SEG1,2 - Indoor : "A","0") (SEG3,4 - Address : ex) 00)
A
ft
er short push 4
Page 1 - MANU
Page 2 - (SEG1,2 - Indoor : "A","0") (SEG3,4 - Address : ex) 00)
Long push K4 (Main micom ver.) → short push 1 more (Inv. micom ver.) → short push 1 more (E2P. ver.) → short push 1 more (Automatic
address) → short push 1 more (Manual address) → short push 1 more (Main micom ver.) → ....... → Long push K4 (View mode end)
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Installation Procedure
7 Setting outdoor unit option switch and address manually
a Setting the option
• Press and hold K2 to enter the option setting. (Only
available when the operation is stopped)
– If you enter the option setting, display will show
the following.
– Seg 1 and Seg 2 will display the number for
selected option.
– Seg 3 and Seg 4 will display the number for set
value of the selected option.
• If you have entered option setting, you can shortly
press the K1 switch to adjust the value of the Seg 1,
Seg 2 and select the desired option.
Example)
• If you have selected desired option, you can shortly
press the K2 switch to adjust the value of the Seg 3,
Seg 4 and change the function for the selected option.
Example)
• After selecting the function for options, press and
hold the K2 switch for 2 seconds. Edited value of
the option will be saved when entire segments
blinks and tracking mode begins.
Option
item
Input
u
nit
SEG1 SEG2 SEG3 SEG4 Function
Channel address Main 0 0
A U
Automatic setting
(Factory default)
00~15 Manual setting
Snow
accumulation
prevention
control
Main 0 1
0 0
Disabled (Factory
default)
0 1 Enabled
Step for Silence
mode
Main 0 2
0 0
Disabled (Factory
default)
0 1 Step1
0 2 Step2
0 3 Step3
Option
item
Input
u
nit
SEG1 SEG2 SEG3 SEG4 Function
Type of
Silence mode
Main 0 3
0 0
Aut
omatic Silence
mode (Factory
default)
0 1
Manual Silence
mode
Temperature unit Main 0 4
0 0
Celsius
(default)
0 1 Fah
renheit
Not applicable Main 0 5
0 0 Not applicable
0 1 Not applicable
Current restriction
rate ¹⁾
Main 0 6
0 0
100%
(Factory
default)
0 1 9
5%
0 2 90%
0 3 85%
0 4 80%
0 5 75%
0 6 70%
0 7 65%
0 8 60%
0 9 55%
1 0 50%
1 1 100%
Dedicated mode
for cooling/
heating ²⁾
Main 0 7
0 0
Cooling / Heating
operation (default)
0 1
Cooling operation
only
0 2
Heating operation
only
• ¹⁾ Current restriction rate : When restriction option is
set, cooling and heating performance may decrease.
• ²⁾ AC***BXAD*C models are cooling-only models and
do not support heating mode. These models operate
in cooling mode only, even if "heating operation
only" mode is enabled.
CAUTION
• Edited option will not be saved if you do not end the
option setting as explained in above instruction.
※ While you are setting the option, you may press and hold
the K1 button to reset the value to previous setting.
※ If you want to restore the setting to factory default, press and
hold the K4 button while you are in the option setting mode.
– If you press and hold the K4 button, setting will be
restored to factory default but it doesn’t mean that
restored setting is saved. Press and hold the K2
button. When the segments shows that tracking
mode is in progress, setting will be saved.
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Appendix
Appendix
Troubleshooting
The table below lists the self-diagnostic routines. For some of error codes, you must contact an authorized service centre. If an
error occurs during the operation, it is displayed on the outdoor unit PCB LED, both MAIN PCB and INVERTER PCB.
No. Error Code Meaning Remarks
1 E108 Error due to duplicated communication address Check on repeated indoor unit main address
2 E121
Error on room temperature sensor of indoor unit (Short
or Open)
Indoor unit Room Thermistor Open/Short
3 E122 Error on EVA IN sensor of indoor unit (Short or Open) Indoor unit EVA_IN Thermistor Open/Short
4 E123 Error on EVA OUT sensor of indoor unit (Short or Open) Indoor unit EVA_OUT Thermistor Open/Short
5 E153 Error on float switch (2nd detection)
Indoor unit Float Switch Open/Short Drain Pump operation
Check
6 E154 Indoor fan error Check on indoor unit indoor Fan operation
7 E198 Error on thermal fuse of indoor unit (Open) Thermal Fuse Open Check of indoor unit Terminal Block
8 E201
Communication error between the indoor unit and outdoor
unit (Pre-tracking failure or when the actual number of
indoor units are different from the indoor unit quantity
setting on the outdoor unit)
Error due to communication tracking failure after initial
power is supplied (The error occurs regardless of the
number of units.)
Check indoor quantity setting in outdoor
9 E202
Communication error between indoor unit and outdoor unit
(When there is no response from indoor units after tracking
is completed)
Check electrical connection and setting between indoor
unit and outdoor unit
10 E203
Communication error between the outdoor unit and main
micom (For PF #4 to #6 controllers, error will be determined
from the time when the compressor is turned on.)
Check electrical connection and setting between outdoor
unit MAIN PBA - INVERTER PBA
11 E221 Error on outdoor temperature sensor (Short or Open) Check Outdoor sensor Open / Short
12 E231 Error on outdoor COND OUT sensor (Short or Open) Check Cond-Out sensor Open / Short
13 E251
Error on discharge temperature sensor of compressor 1
(Short or Open)
Check Discharge sensor Open / Short
14 E320 Error on OLP sensor (Short or Open) Check OLP sensor Open / Short
15 E403 Compressor down due to freeze protection control Check Outdoor Cond.
16 E404 System stop due to overload protection control Check Comp. when it starts
17 E416 System stop due to discharge temperature -
18 E422 Blockage detected on high pressure pipe
1. Check if the service valve is open
2. Check for refrigerant leakage (pipe connections, heat
exchanger) and charge refrigerant if necessary
3. Check if there's any blockage on the refrigerant cycle
(indoor unit/outdoor unit)
4. Check if additional refrigerant has been added after pipe
extension
19 E425 Reverse phase or open phase Check whether 3 phase is reversed or opened.
20 E440
Heating operation restricted at outdoor temperature over
Theat_high value (default:30°C)
1. Check the range of temperature limited for heating
operation
2.Check the outdoor temperature sensor
Appendix
Appendix
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Appendix
No. Error Code Meaning Remarks
21 E441
Cooling operation restricted at outdoor temperature below
Tcool_low value (default:0°C)
1. Check the range of temperature limited for cooling
operation
2.Check the outdoor temperature sensor
22 E458 Fan speed error FAN1 ERROR
23 E461 Error due to operation failure of inverter compressor -
24 E462 System stop due to full current control -
25 E463 Over current trip / PFC over current error Check OLP sensor
26 E464 IPM Over Current(O.C)
1.Check if the service valve is open
2.Check the state of refrigerant
3.Check if connecting wire and the pipe are OK
4.Check the compressor
27 E465 Comp. Over load error -
28 E466 DC-Link voltage under/over error Check AC Power and DC Link Voltage
29 E467
Error due to abnormal rotation of the compressor or
unconnected wire of compressor
Check Comp wire
30 E468 Error on current sensor (Short or Open) Check Outdoor Inverter PBA.
31 E469 Error on DC-Link voltage sensor (Short or Open) -
32 E470 Outdoor unit EEPROM Read/Write error (Option) Check Outdoor EEPROM Data
33 E471 Outdoor unit EEPROM Read/Write error (H/W) Check Outdoor EEPROM PBA
36 E474 Error on IPM Heat Sink sensor of inverter 1 (Short or Open) Check Outdoor Inverter PBA.
37 E475 Error on inverter fan 2 FAN2 ERROR
38 E484 PFC Overload (Over current) Error Check Outdoor Inverter PBA.
39 E485 Error on input current sensor of inverter 1 (Short or Open) Check Outdoor EEPROM PBA
40 E500 IPM over heat error on inverter 1 Check Outdoor Inverter PBA.
41 E508 Smart install is not installed -
42 E554 Gas leak detected Check the refrigerant
43 E556
Error due to mismatching capacity of indoor and outdoor
unit
Check the indoor and outdoor unit capacity
44 E557 DPM remote controller option error Check the indoor option code
45 E590 Inverter EEPROM Checksum error -
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