Air conditioner
User & Installation manual
AC***BNPDBC / AC***BXPDHC
• Thank you for purchasing this Samsung air conditioner.
• Before operating this unit, please read this user manual carefully and retain it for future
reference.
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Contents
USING PARTS 3
Safety Information 3
Checking before use 8
Indoor Unit Overview 9
Control Panel Overview 10
Using the air conditioner with the control panel 11
Remote Control Overview 12
Basic operation 15
Cleaning and Maintenance 19
Troubleshooting 23
INSTALLATION PARTS 25
Safety precautions 25
Accessory parts list 28
Preparation for installation 29
Deciding on where to install the product 31
Installation of the indoor and outdoor unit 38
Refrigerant piping work 42
Refrigerant charging 50
Wiring work 52
Gas leak test and vacuum drying 61
Check lists after completing the installation 62
Testing operations 63
Troubleshooting 67
How to connect your extended power cables 71
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.
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USING PARTS
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.
IMPORTANT
Information of special interest
Follow directions.
Do NOT attempt.
Make sure the machine is grounded to prevent electric shock.
Unplug the power plug from the wall socket.
Do NOT disassemble.
FOR INSTALLATION
WARNING
Use the power line with the power specifications of the product or higher and use the power line for
this appliance only. In addition, do not use an extension line.
• Extending the power line may result in electric shock or fire.
• Do not use an electric transformer. It may result in electric shock or fire.
• If the voltage/frequency/rated current condition is different, it may cause fire.
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.
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Safety Information
USING PARTS
Do not install this appliance near a heater, inflammable material. Do not install this appliance in a
humid, oily or dusty location, in a location exposed to direct sunlight and water (rain drops). Do not
install this appliance in a location where gas may leak.
• This may result in electric shock or fire.
Never install the outdoor unit in a location such as on a high external wall where it could fall.
• If the outdoor unit falls, it may result in injury, death or property damage.
This appliance must be properly grounded. Do not ground the appliance to a gas pipe, plastic water
pipe, or telephone line.
• Failure to do so may result in electric shock, fire, an explosion, or other problems with the product.
• Never plug the power cord into a socket that is not grounded correctly and make sure that it is in
accordance with local and national codes.
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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FOR USING
WARNING
If the appliance is flooded, please contact your nearest service centre.
• Failing to do so may result in electric shock or fire.
If the appliance generates a strange noise, a burning smell or smoke, unplug the power plug
immediately and contact your nearest service centre.
• Failing to do so may result in electric shock or fire.
In the event of a gas leak (such as propane gas, LP gas, etc.), ventilate immediately without
touching the power line. Do not touch the appliance or power line.
• Do not use a ventilating fan.
• A spark may result in an explosion or fire.
To reinstall the air conditioner, please contact your nearest service centre.
• Failing to do so may result in problems with the product, water leakage, electric shock, or fire.
• A delivery service for the product is not provided. If you reinstall the product in another location,
additional construction expenses and an installation fee will be charged.
• Especially, when you wish to install the product in an unusual location such as in an industrial
area or near the seaside where it is exposed to the salt in the air, please contact your nearest
service centre.
Do not touch the circuit breaker with wet hands.
• This may result in electric shock.
Do not 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
USING PARTS
If any foreign substance such as water has entered the appliance, cut the power by unplugging the
power plug and turning the circuit breaker off and then contact your nearest service centre.
• Failing to do so may result in electric shock or fire.
Do not attempt to repair, disassemble, or modify the appliance yourself.
• Do not use any fuse (such as copper, steel wire, etc.) other than the standard fuse.
• Failing to do so may result in electric shock, fire, problems with the product, or injury.
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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FOR CLEANING
WARNING
Do not clean the appliance by spraying water directly onto it. Do not use benzene, thinner, alcohol
or acetone to clean the appliance.
• This may result in discoloration, deformation, damage, electric shock or fire.
Before cleaning or performing maintenance, unplug the air conditioner from the wall socket and
wait until the fan stops.
• Failing to do so may result in electric shock or fire.
CAUTION
Take care when cleaning the surface of the heat exchanger of the outdoor unit since it has sharp
edges.
• To avoid cutting your fingers, wear thick cotton gloves when cleaning it.
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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Checking before use
USING PARTS
Checking before use
Checking the auxiliary power switch
Turn on the auxiliary power switch which is installed separately.
NOTE
Auxiliary power switch (ELCB : Earth Leakage Circuit Breaker)
• 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. When not using the auxiliary power switch for a long time, it
should be turned off.
• If ELB have already been installed in the switch box of the building, you
don’t need to install the auxiliary power switch.
Operational temperature and humidity range
When the air conditioner operates outside of temperature and humidity range indicated below, protective
device may activate and stop the operation. Especially, do not operate the air conditioner when the
temperature of the outdoor is below -15°C since product can be damaged.
Mode Indoor temperature Outdoor temperature Indoor humidity
Cool 18°C ~32°C -15°C ~50°C
Relative humidity 80% or less
Dry 18°C ~32°C -15°C ~50°C
• If the air conditioner operates in cooling mode for long period of time in high humidity area, dew may be
formed.
Using outdoor unit
Take away any covers or barriers.
• It may cause product failure and poor performance in cooling by blocking air flow.
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USING PARTS
The picture and function of the indoor unit may different depending on the model.
Main parts
ߢߤ
ߢߨ
ߢߩ
ߢߦ
ߢߥ
ߢߣ
ߢߧ
01 Air flow blade (up and down)
02 Air flow blade (left and right)
03 Indoor unit display
04 Control panel
05 Air oulet
06 Air filter
07 Air intake
Opening the panel
Hold the upper part of the panel, and then pull it slightly forward.
Don’t open the panel during the operation. It may cause a
malfunction or an electrical hazard.
Indoor Unit Overview
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Control Panel Overview
USING PARTS
Remote controller receiver
Receives and inputs the command
from the remote controller
Operation indicator
Displays the temperature, fan
speed and operation mode
Turbo button
On/Off button
Mode button
Fan Speed buttonTemperature
, button
NOTE
• Heat mode is not supported by this model.
Locking the control panel
Whether the air conditioner is switched on or off, you cannot control the
air conditioner with the control panel if this function is set.
Press the Temp
and Fan Speed buttons for 3 seconds.
• You will hear ring and the Lock icon
will appear on the indoor unit
display.
• Once Lock is set, you cannot control the air conditioner with the
control panel but you can only control it with the remote controller.
Therefore this function will be useful to keep the children away from
touching the control panel.
• To unlock the control panel, press the Temp
and Fan Speed buttons
again for 3 seconds.
Control Panel Overview
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Using the air conditioner with the control panel
1 Press the On/Off button on the indoor unit control panel.
• The air conditioner will operate in Cool mode.
• To turn off the air conditioner, press the On/Off button again.
2 Press the Mode button to select the operation mode.
• You can select operation mode you want by pressing the Mode button.
• Each time you press the Mode button, the mode will change in order of
Cool, Auto, Dry and Fan.
3 Press the Temp and button to adjust the temperature.
• You can increase/decrease the temperature by 1°C.
4 Press the Fan Speed button to adjust the fan speed.
• Each time you press the Fan Speed button, the fan speed will change
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5 Press the Turbo button to select Turbo mode
NOTE
• General and duct type air conditioners may show different Fan speeds.
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Remote Control Overview
USING PARTS
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 Settings indicator
NOTE
• The Blade 1234 is 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
(Not applicable to this model)
09 Options indicator
NOTE
• The Quiet and Purity function ( ) is not supported by
this model.
10 Power button
11 Temperature button
12 Options button
13 Timer button
14 Direction button / Selection button
15 Vertical air swing button
(Not applicable to this model)
16 Mode button
17 Fan speed button
18 Horizontal air swing button
(Not applicable to this model)
19 Settings 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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Inserting the batteries
1 Open the battery cover of the remote controller.
•Press the (
) part gently and lift it up in the arrow direction.
2 Insert the batteries.
• Check and match the (+) and (-) signs accordingly.
3 Close the battery cover.
• Match the cover and bottom part of the remote controller and
press it until you hear click sound.
CAUTION
• Make sure that water is not Allowed to enter the remote controller.
NOTE
• There is a possibility that the air conditioner will not operate by remote controller near strong light
such as a fluorescent lamp or neon sign. In this case, use the remote controller in front of the remote
controller receiver of the indoor unit.
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Remote Control Overview
USING PARTS
Battery changing time
When the battery is exhausted, ( ) will be displayed on the remote controller display. When the icon
appears, change the batteries.
The remote controller requires two 1.5V AAA type batteries.
Correct disposal of batteries in this product
(Applicable in countries with separate collection systems)
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 controller
When you do not use the remote controller for a long time, remove
the batteries from the remote controller and store it in the remote
controller holder.
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Basic operation is the operation mode that can be selected by pressing the Mode button.
Basic operation
Cool
In Cool mode, indoor temperature and fan speed can be adjusted at your desire to cool your indoor room.
Auto
When setting the desired temperature of the air conditioner for your fresh environment, the operation mode
will operate automatically according to the desired temperature and current temperature and control the
fan speed in Auto mode.
Dry
In Dry mode, indoor humidity can be removed efficiently to refresh the humid indoor room.
Switching the outdoor unit on or off will be repeated according to the temperature difference between
current temperature and the desired temperature.
Fan
In Fan mode, the breeze will be generated just like the electric fan to provide natural indoor environment.
Press the
button to start the operation of the air conditioner.
Press the
button to start the operation of the air conditioner.
• You can check the display on the indoor unit to make sure that you selected desired operation mode.
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Basic operation
USING PARTS
Controlling fan speed
You can select the following fan speeds in each mode:
Mode Available fan speeds
Auto/Dry
(Auto)
Cool/Fan
(Auto), (Med), (High)
Controlling temperature
You can control the temperature in each mode as follows:
Mode Temperature control
Cool/Dry
Adjust by 1°C (1°F) between 18°C (65°F) and 30°C (86°F)
Auto
When desired temperature is adjusted, operation mode
will change to Cool mode.
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.
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Adjusting the air flow direction
Air flow can be directed to your desired position.
Hold the Air flow blade (up/down orientation) and adjust the up/down
direction.
Hold the Air flow blade (left/right orientation) and adjust the left/right
direction.
Turbo function
Use the Turbo function to quickly cool your room. This function provides
the most powerful cooling air.
Select Turbo.
NOTE
• To turn off the Turbo function, press the (Options) button and
directional button to select Turbo, and then press the (SET)
button.
• 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 change the set temperature and the fan speed.
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Basic operation
USING PARTS
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 off)
(When the air conditioner is on)
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Cleaning and Maintenance
CAUTION
• Make sure to turn off the auxiliary power switch or unplug the power plug when cleaning the air
conditioner.
Cleaning the indoor unit
• Wipe the surface of the unit with a slightly wet or dry cloth when
needed.
• Brush away the dust on the narrow gap of air conditioner.
NOTE
• If it is difficult to clean the indoor unit heat exchanger on your
own, contact service center.
• Depending on the usage environment(restaurant, hair salon etc.),
odor may be generated. Prevent the odor by cleaning the air filter
or performing Fan mode while ventilating your room. If you have
a problem with the odor, contact a service center.
CAUTION
• Do not clean the control panel with alkaline detergent.
• Do not clean the surface with sulfuric acid, hydrochloric acid or
organic solvent (thinner, kerosene, acetone) or attach stickers. It
may damage the surface of the unit.
Cleaning the outdoor unit heat exchanger
• When dust accumulates on the heat exchanger, it may decrease
cooling performance. Therefore, clean it regularly.
• Spray water to clean the dust.
NOTE
• If it is too difficult to clean the outdoor unit heat exchanger on
your own, contact service center.
CAUTION
• Be careful with the sharp edges on the outdoor unit heat
exchanger.
Heat exchanger
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Cleaning and Maintenance
USING PARTS
Cleaning the air filter
Washable air filter captures large particles from the air. The filter can be cleaned with a vacuum or by hand
washing.
1 Open the panel and pull out the air filter.
ࣕ Pull out the air filter in the direction of the arrow as shown in the
below figure.
2 Clean the air filter with a vacuum cleaner or in running water.
ࣕ If dust is too heavy, use warm water mixed with detergent. Do not
scrub the filter too hard since it may get damaged.
3 Dry the air filter in a ventilated area.
ࣕ Do not dry the air filter in a place with direct sunlight.
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USING PARTS
4 Insert the air filter back in its original position. Make sure it is firmly
fixed.
NOTE
• Clean the air filter every two weeks. Cleaning term may differ depending on usage and environmental
conditions therefore if you are using the air conditioner in dusty area, clean the air filter every week.
Maintaining the air conditioner
If the air conditioner will not be used for an extended period of time, dry the air conditioner to maintain it in
best condition.
1 Dry the air conditioner thoroughly by operating in Fan mode for 3 to 4 hours and turn off the circuit
breaker. There may be internal damage if moisture is left in components.
2 Before using the air conditioner again, dry the inner components of the air conditioner again by running
in Fan mode for 3 to 4 hours. This helps remove odors which may have generated from dampness.
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Cleaning and Maintenance
USING PARTS
Periodical checks
Refer to the following chart to maintain the air conditioner properly.
Type Description
Every 2
weeks
Every 3
months
Every 4
months
Once a
year
Indoor
unit
Clean the air filter (1)
弍
Clean the condensate drain pan (2)
弍
Thoroughly clean the heat exchanger (2)
弍
Clean the condensate drain pipe (2)
弍
Outdoor
unit
Clean the heat exchanger on the outside of the unit (2)
弍
Clean the heat exchanger on the inside of the unit (2)
弍
Clean the electric components with jets of air (2)
弍
Verify that all the electric components are firmly
tightened (2)
弍
Clean the fan (2)
弍
Verify that all the fan assembly is firmly tightened (2)
弍
Clean the condensate drain pan (2)
弍
弍 : This check mark requires checking the indoor/outdoor unit periodically, following to the description to
maintain the air conditioner properly.
NOTE
• The checks and maintenance operations described are essential to guarantee the efficiency of the air
conditioner. The frequency of these operations varies according to the characteristics of the area, the
amount of dust, etc.
ࣕ The described operations should be performed more frequently if the area of installation is very
dusty.
ࣕ These operations must always be performed by qualified personnel. For more detailed information,
see the Installation part.
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USING PARTS
Refer to following chart if the air conditioner operates abnormally. This may save time and unnecessary
expenses.
Troubleshooting
Problem Solution
The air conditioner
does not work at
all.
• Check power status and then operate the air conditioner again.
• Check whether the power plug is connected correctly or the auxiliary power
switch is switched on.
• If the air conditioner is switched off by the Timer function, press the On/Off
button.
The temperature
adjustment is not
working.
• Temperature adjustment is not available when the Fan mode is selected.
Fan speed
adjustment is not
working.
• Check if you have selected Auto/Dry/Turbo mode. In these modes, fan speed is
set to Auto and you cannot adjust the fan speed.
Remote controller
does not work.
• Replace the exhausted batteries with new ones.
• Do not block the remote controller receiver.
• If the remote controller is used near strong light(3-wavelength fluorescent
light, neon sign etc.), the remote controller may not work due to the electronic
jamming signal
Cool air does not
come out of the air
conditioner.
• Check if the set temperature is higher than the current temperature. Press the
Temp + or - button on the remote controller to set the temperature lower than
the current temperature.
• Check if you have selected Fan mode. In this mode, Cool air will not come out in
Fan mode therefore select Auto/Cool/Dry mode.
• Check if the air filter is blocked by dirt. If there is a lot of dust on the Air filter,
cooling performance may decrease. Clean them frequently.
• Check if the outdoor unit is covered or installed near the obstacle. Take the cover
off and take the obstacle away.
• Check if the indoor unit is installed in a place with direct sunlight. Close the
curtain or blind to cover the sunlight.
• If the doors or windows are open, it may cause bad cooling performance. Close
the doors and windows.
• If the air conditioner has just been turned on or the indoor temperature reaches
the desired temperature, only fan will operate around 3 minutes for the product
protection.
• Check if the pipe length is too long. When the pipe length exceeds maximum
allowable pipe length, cooling performance may decrease.
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Troubleshooting
USING PARTS
Problem Solution
Timer function is
not working.
Check if the air conditioner is off. Turn the air conditioner on and set the Timer
function.
When the timer is already set icon will appear on the indoor unit display, check to
see if the timer is already set.
Odors permeate in
the room during
operation.
Odor may permeate depending on the surrounding environment or operating
condition. Ventilate the indoor air or operate Fan mode for 1~2 hours if the odor does
not go away. (Parts of the air conditioner does not generate any odor)
Clean the air filter if it is dirty.
Error is indicated.
If the message
, , , , , , , , ,
, , , , , , , , , blink on the
indoor unit display, it means there is a problem so you should contact a service
center.
Noise is generated.
Depending on the status of the air conditioner usage (especially when the outdoor
temperature is below 20°C), noise can be generated due to changes in refrigerant
flow. You don’ t have to worry since it is normal.
Water is dropping
from the
connection part of
the drain pipe.
Water may be generated because of the temperature difference. It is normal.
Indoor unit display
is blinking.
Press the On/Off button and check if the display keeps blinking.
Turn off the auxiliary power switch and turn it on.
If the display keeps blinking after following above 2 instructions, contact the service
center.
Heat is generated
from the control
panel on the indoor
unit.
When the air conditioner is on, little bit of heat may be generated from the control
panel. It is normal.
Air conditioner is
not turning off.
After turning off the air conditioner, it may generate breeze for certain period of
time for defrosting. It is normal.
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INSTALLATION PARTS
Carefully follow the precautions listed below because they are essential to guarantee the safety of the
equipment.
Safety precautions
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 controller(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.
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Safety precautions
INSTALLATION PARTS
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
• 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 "How to connect your extended
power cables" in the installation manual.
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INSTALLATION PARTS
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 controller, 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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Accessory parts list
INSTALLATION PARTS
Product illustration may look different from the actual product.
Accessories in the indoor unit package
Remote controller(1) Remote controller holder (1)
Batteries for remote controller (2) M4 X L16 screws (2)
Cable tie (4) Protective piping cover (1)
Pipe insulation
(ID30 X L150 X T10) (1)
Pipe insulation
(ID35 X L200 X T10) (2)
User and Installation manual (1)
Accessories in the outdoor unit package
Drain cap (5) Drain plug (1)
Leg rubber (4)
Accessory parts list
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INSTALLATION PARTS
You must check the model names of the indoor and outdoor units.
Preparation for installation
Indoor · outdoor unit type and combination
Capacity(kJ/h) Type Model name
79
Indoor unit
Aߢߩߪ9ĘťU9A
Outdoor unit
Aߢߩߪ9ǹťU²A
101
Indoor unit
Aߢ߫ߨ9ĘťU9A
Outdoor unit
Aߢ߫ߨ9ǹťU²A
Moving the outdoor unit
• Select the moving path in advance.
• Be sure that moving path can support weight of the outdoor unit.
• Uͱͱϩϑɇϩϩ˵ʪΧθͱʒЇʀϩͱθʪϩ˵ɇߤߡઑи˵ʪʀɇθθц˝ϩࢋ࣍Uͱͱϩɇцϩ˵ʪΧθͱʒЇʀϩʒͱиϑʒʪиɇцϑࢋ࣎
• Surface of the heat exchanger is sharp. Be careful not to get injured while moving the product.
• If you need to ensure the outdoor unit from falling, use wires to
fix it firmly.
ࣕ Loosen the 4 screws from the top cover of the outdoor unit.
ࣕ Put the wire around the screws and fasten the screws.
ࣕ Fix the wire on the ground.
NOTE
• When the outdoor unit is not firmly fixed, it may fall and cause personal injury or property damage.
• When the outdoor unit is installed in water-proofed rooftop, fix the wires on the wall.
WARNING
• Should adopt bar type louver. Don’t use a type of rain resistance louver.
[Bar type louver] [Rain resistance louver]
• Louver specifications.
ࣕ Angle criteria : less than 20°
ࣕ Opening ratio criteria : greater than 80%
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Preparation for installation
INSTALLATION PARTS
1 When moving with a crane
ࣕ Fasten the wire rope as shown in the figure.
ࣕ To protect damage or scratches, insert a piece of cloth
between the outdoor unit and the wire rope.
2 When moving with a forklift
ࣕ Carefully insert the forklift forks into the forklift holes at
the bottom of the outdoor unit.
ࣕ Be careful with the forklift from damaging the product.
3 When moving the product without wooden pallet and the
crane is not available for use
ࣕ Connect a wire rope to the outdoor unit as you would
move it with a crane.
ࣕ Hang the wire rope to the forklift fork to move the
outdoor unit.
Wire rope
Wooden
pallet
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INSTALLATION PARTS
Deciding on where to install the product
Indoor Unit
• Install the unit at a place close to the wall facing the outside as it
is necessary to perform piping connection with the outdoor unit.
ࣕ It is effective to install the unit at a window side to ensure
uniform distribution of indoor temperature.
• Install the unit at a place where there is no obstacle against the
wind around the air intake and air outlet.
• Install the unit horizontally at a stable, rigid place. (When
installing the unit at a place subjected to oscillation, noise may
occur.)
• Avoid a place near the door which is frequented by people.
• Avoid a place subject to direct sunlight.
• Avoid a place with high humidity. Dew may form during cooling
operation. (Near kitchen)
Front
Top view
More than 600mm
Side view
Air outlet
Air inlet
More than 600mm
More than 1000mm
Front
Outdoor unit
• Avoid a place that may disturb your neighbor. Noise may occur from the outdoor unit and the discharged
air may run into the neighborhood. (Be careful of the operation time in a residential area)
• Install the outdoor unit on a hard and even area that can support its weight.
• Choose a flat place that rainwater does not settle or leak.
• Choose a place avoiding strong winds.
• Maintain sufficient space for repairs and service.
• Choose a place where you can easily connect the pipes and cables to the indoor unit.
• Make sure that the condensed water dripping from the drain hose runs out properly and safely.
• When installing the outdoor unit near seashore, make sure it is not directly exposed to sea breeze. If you
can not find a adequate place without direct sea breeze, protection wall should be constructed.
• Install the outdoor unit in a place (such as near buildings etc.) where it can be prevented from sea breeze
which can damage the outdoor unit.
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Deciding on where to install the product
INSTALLATION PARTS
Outdoor unitOutdoor unit
Sea breezeSea breeze
SeaSea
• If you cannot avoid installing the outdoor unit by the seashore, construct a protection wall around to
block the sea breeze.
Protection wall
Outdoor
unit
Sea breeze
Sea
• Protection wall should be constructed with a solid material
such as concrete to block the sea breeze and the height and
the width of the wall should be 1.5 times larger than the size
of the outdoor unit. Also, secure over 700mm between the
protection wall and the outdoor unit for exhausted air to
ventilate.
• Install the outdoor unit in a place where water can drain smoothly.
ࣕ If you cannot find a place satisfying above conditions, please contact manufacturer. Make sure to
clean the sea water and the dust on the outdoor unit heat exchanger and spread corrosion inhibitor
on heat exchanger. (At least one time per one year.)
• Choose a place where there is no direct sunlight.
• Choose a place where it could not come into contact with snow and rain.
• Choose a place where flammable gas does not leak.
• Choose a place where the indoor and outdoor unit can be connected with a pipe.
• Choose a place where there is no direct sunlight.
• Choose a place where it could not come into contact with snow and rain.
• Choose a place where flammable gas does not leak.
• Choose a place where the indoor and outdoor unit can be connected with a pipe.
WARNING
• After installing the outdoor unit, apply rust inhibitor on the internal pipes and heat exchanger.
ࣕ If you don’t apply rust inhibitor, airborne corrosive gas (such as sulfur compounds, hydrogen sulfide
and ammonia) and salty dust may cause pipe corrosion which will lead to refrigerant leakage.
ࣕ Inspect the outdoor unit at least once a year and re-apply the rust inhibitor where it is damaged
(worn out).
• When applying the rust inhibitor, please be aware of the following:
ࣕ Turn off the power before spraying the rust inhibitor.
ࣕ Wear protective goggles and mask before spraying.
ࣕ Clean the dusty surface with clean fabric or paper before spraying.
ࣕ Make sure that wind is blowing from worker’s back when spraying.
ࣕ Do not spray on the PCB panel and electric parts.
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INSTALLATION PARTS
CAUTION
• Install the indoor unit away from any interfering sources such as radio, computer, stereo equipment and
also select the place where the electrical wiring work can be possible.
ࣕ Especially keep the unit at least 3m away from the electrical equipment in an area electromagnetic
waves generated and install the protection tube to protect the main power cable and communication
cable.
ࣕ Make sure that there is no equipment electromagnetic waves generate. If not, malfunction of the
control system may occur due to the effect of the electromagnetic wave. (For example: The remote
control sensor of the indoor unit may not be received well of electronic lighting style fluorescent
lamps, such as fluorescent lamps are in the same space when using a remote control.)
• Make sure to install the outdoor unit in a safe place where snowfall will not be obstructed. The frame
should be installed in a place where the air inlet and heat exchanger of the unit are not buried in the
snow.
• A ventilation system may be required in the case the outdoor unit is installed in a closed space or room,
even though R410a is not poisonous or flammable.
• Install the railing around the outdoor unit to prevent falling when the unit is installed at high place of
roof on the building.
• Avoid installing the units in places such as an exhaust pipe and ventilating opening exposed to corrosive
gas, oxides of sulfur, ammonia gas or sulfur gas herbicides. (These places need additional anticorrosive
treatments. Please contact manufacture to avoid corroding copper pipes or soldered parts)
• Depending on the condition of power supply, unstable power or voltage may cause malfunction of the
parts or control system. (At the ship or places using power supply from electric generator...etc)
Space requirements
• The space suggested below is based on operating condition of outdoor temperature of 35°C. If operating
condition of outdoor temperature is higher than 35°C, try to have more space.
• Make sure to clear a passage for a person and air flow.
• Observe the clearances and dimensions as seen below when installing the outdoor unit.
• If you install several outdoor units at the same place, observe the space for ventilation and free airflow.
• If the space for ventilation is insufficient, the air conditioner may not generate performance designed.
Keep in mind that SAMSUNG logo is located on the front side of outdoor unit.
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Deciding on where to install the product
INSTALLATION PARTS
Installation location
Instructions for parallel installation
1 When the air inlet is blocked
The upper part of the outdoor unit is not blocked (Unit: mm)
• When installing 1 outdoor unit
Only the air inlet is blocked
300 or more
Air inlet and 2 sides of the
outdoor unit are blocked
300 or more
150 or more
600 or more
• When parallel installing more than 2 outdoor units(*1)
ࣕ Air inlet and 2 sides of the outdoor unit are blocked
300 or more
300 or more 600 or more 600 or more 600 or more
The upper part of the outdoor unit is not blocked (Unit: mm)
• When installing 1 outdoor unit
300 or more
500 or more
300 or more
Only the air inlet is blocked
300 or more
150 or more 600 or more
500 or more
300 or more
Air inlet and 2 sides of the
outdoor unit are blocked
• When parallel installing more than 2 outdoor units(*1)
ࣕ Air inlet and 2 sides of the outdoor unit are blocked
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INSTALLATION PARTS
300 or more
300 or more 600 or more 600 or more 600 or more
500 or more
300 or more
2 When the air inlet is blocked
The upper part of the outdoor unit is not blocked (Unit: mm)
• When installing 1 outdoor unit • When parallel installing more than 2 outdoor units(*1)
1500 or more
1500 or more
600 or more 600 or more
The upper part of the outdoor unit is blocked
• When installing 1 outdoor unit (Unit: mm)
1500 or more
1500 or more
2000
or more
• When parallel installing more than 2 outdoor units(*1)
1500 or more
600 or more
600 or more
1500 or more
2000
or more
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Deciding on where to install the product
INSTALLATION PARTS
3 When air inlet and air outlet of the outdoor unit are blocked
Case 1: Obstacle on exhausting side is higher than the unit.(regardless of the height of obstacle on suction
side)
The upper part of the outdoor unit is not blocked (Unit: mm)
• When installing 1 outdoor unit • When parallel installing more than 2 outdoor units(*1)
1500 or
more
300 or
more
1500 or
more
300 or
more
300 or
more
1500 or
more
600 or more
600 or more
1500 or
more
300 or
more
ࣕ The backside block can not be higher than the outdoor unit. If the backside block is higher than the
outdoor unit, arrange the outdoor unit higher than the backside block.
Case 2: Obstacle on exhausting side is lower than the unit.(regardless of the height of obstacle on suction
side)
The upper part of the outdoor unit is not blocked (Unit: mm)
• When installing 1 outdoor unit • When parallel installing more than 2 outdoor units(*1)
1500 or
more
300 or
more
1500 or
more
300 or
more
300 or
more
1500 or
more
600 or more
600 or more
1500 or
more
300 or
more
ࣕ The frontside block can not be higher than the outdoor unit. If the frontside block is higher than the
outdoor unit, arrange the outdoor unit higher than the frontside block.
ࣕ (*1) When installing outdoor units paralleled, more than 600mm gap shall be left.
• When front and rear side of the outdoor unit is toward the wall
1500 or more
600 or more
3000 or more
3000 or more
3000 or more
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INSTALLATION PARTS
Pipe length between the indoor and the outdoor unit
• If the pipe is lengthened, the performance of the unit is degraded, and the service life is shortened.
Therefore, the pipe length should be as short as possible.
ࣕ Allowable pipe length: Maximum 75m
ࣕ Allowable pipe height difference:
When outdoor unit is installed higher level than indoor unit: Maximum 30m
When indoor unit is installed higher level than indoor unit: Maximum 20m
• Choose a installation place where you can limit the pipe bending to less than 10.
Less than 20m
Indoor
unit
Indoor
unit
Outdoor
unit
Outdoor
unit
Less than 30m
Drilling a hole in the wall
• Drill a hole of a 90mm in diameter at a less than 200mm
in height from the bottom of the indoor unit in a slightly
downward slope.
Indoor
Outdoor
Ø 90mm
Less than
200mm
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Installation of the indoor and outdoor unit
INSTALLATION PARTS
Installing indoor unit
1 Open the air inlet grille in the front and unscrew 4 bolts on
the bottom of the product.
2 Remove the wooden palette used for product transport.
3 Install the product on an even floor.
4 bolts
Installing Outdoor unit
WARNING
• Make sure to remove the wooden pallet before installing the outdoor unit. If you do not remove the
wooden pallet, there is risk of fire during welding the pipes. If the outdoor unit is installed with wooden
pallet on, and it was used for long period time, wooden palette may break and cause electrical hazard or
high pressure may damage the pipes.
1 Install the outdoor unit 150mm higher than the base ground and install the drain hole to connect the
pipe to the drainage.
2 When the front fan of an outdoor unit is installed in a place where the average snowfall is more than
150mm, the discharge duct should be attached to the outdoor unit.
3 The concrete foundation should be 1.5 times larger than bottom of the outdoor unit.
4 It is necessary to install wire mesh or steel bar when outdoor units are installed on a soft foundation.
5 When installing multiple outdoor units at the same place, install the H beam on the base ground. (When
installing a number of outdoor units, you can install it on the base ground.)
6 Install the H beam(150mm x 150mm x t10 : basic specification) or vibration absorption frame to jut out
from the base ground.
7 After installing the H beam, apply corrosion protection.
Installation of the indoor and outdoor unit
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INSTALLATION PARTS
8 Install a square pad(t=20mm or more) to prevent vibration from the outdoor unit onto the base ground.
Place the outdoor unit on the H beam and fix it with the bolt, nut and washer. (Fix with M10 basic anchor
bolt, nut and washer.)
Unit: mm
Outdoor unit
Anchor bolt
Nut, Spring wahser
H-beam
Square pad
A+10~20mm or more
A
20mm
75mm or
more
Base ground contruction
(when Installing on the ground)
Drain hole
(when Installing on the roof)
Install the outdoor unit horizontally
on the ground
150 mm or more
150 mm or more
• The outdoor unit should be supported within the range of measurement below for base ground work.
Anchor bolt position
Unit: mm
460
464
520
620
940
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Installation of the indoor and outdoor unit
INSTALLATION PARTS
• When the outdoor unit needs to be supported,fix it with wire as shown in the picture.
ࣕ Slightly unwind the four screws on the cover top of the outdoor unit.
ࣕ Wind wires round the four screws and fasten the screws again.
ࣕ Fix the wires to the ground.
CAUTION
• If the outdoor unit is not fixed securely,product may fall and it might cause loss of life or property
damage.
• Do not install the outdoor unit on the wooden pallet.
• Fix the outdoor unit securely to the base ground with anchor bolts.
• The manufacturer is not responsible for the damage occurred by not adhering to the standard of the
installation.
• To protect the outdoor unit from external condition such as rain, install it on the base ground and
connect the drain pipe to the drainage.
• Please firstly ensure the strength and levelness of the platform, ground and the
support so as to lower the noise and vibration for fear of human injuries.
• The hanging mount on the wall is prohibited due to the heavy machine. The improper
installation shall lead to the fall of the machine as well as human injuries.
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INSTALLATION PARTS
The machine shall be installed on the ground or on the high platform
• As shown in Figure 1, to ensure the shadow part is on the bearing surface without suspension.
• As shown in Figure 1, the four installation footings shall be firmly fastened on the base platform by the
bolts (preparing four sets of M10 bolts with fitful nuts and washer which are used on site)
• In order to reduce the vibration of the noisemeter, the vibration absorber (offer on site) shall be used
between the contact of machine and base platform.
• It is optimal that anchor bolt is 20mm above the surface. (See Figure 2)
The base of the outdoor unit and the position of foundation bolts
Position of the foundation bolts (Ø12.0 Hole 4Points) Unit : mm
Bearing surface
>100
103.2
464
620
>90
>90
520
Ľ
Ground plane
20
Figure 1 Figure 2
• Please ensure the shadow part in Figure 1 is really installed on the bearing surface without any
suspension.
• The ground base that is larger than the standing leg of the air-conditioner (90mm in width and 520mm
in length) shall be used to support the air-conditioner (See Figure 1), and the rubber mat shall be fully
placed on the whole bearing surface.
• The base platform shall be at least 150mm above the ground.
CAUTION
• When the grounding pipe comes out from the below,
please reserve the place for the connection pipe.
• The installation mode mentioned above shall ensure
that the shadow part in Figure 1 is really on the
installation surface.
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Refrigerant piping work
INSTALLATION PARTS
WARNING
• When installing, make sure there is no leakage. When recovering the refrigerant, ground the
compressor before removing the connection pipe.
• When installing, make sure there is no leakage. When collecting the refrigerant, stop the
compressor first before removing the connection pipe. If the refrigerant pipe is not properly
connected and the compressor works with the service valve open, the pipe inhales the air and it
makes the pressure inside of the refrigerant cycle abnormally high which may lead to explosion
and injury.
• Try to keep the length of the refrigerant pipe as short as possible and make sure to minimize the height
difference between the indoor and outdoor unit.
• The piping length between the outdoor unit and the indoor unit may not exceed the allowable piping
length and height difference.
• Use only certified refrigerant pipe and follow the installation method.
• After completing the pipe installation, measure the length of the pipe to see whether or not you need to
charge additional refrigerant. If you do, you must use R-410A refrigerant.
• Use clean refrigerant pipe with no harmful ion, oxide, dust, iron content or moisture inside pipe.
Connecting the pipes
1 There are holes for refrigerant pipes on the left, right and rear side of the indoor unit and you may
choose any one of the holes depending on your installation location. Choose a side for the easier pipe
connection. You may connect the drain hose through the hole in the middle part of the rear side on the
indoor unit.
CAUTION
• Do not use a hammer, but use a cutter to cut the notch.
Holes for refrigerant pipe
Holes for drain hose
Refrigerant piping work
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INSTALLATION PARTS
2 Pipe installation condition may vary depending on the installation location. Therefore, use indoor and
outdoor unit elbow pipe connector to install the pipe if necessary.
ࣕ Allowable pipe length: Maximum 75m
ࣕ Allowable pipe height difference: Maximum 30m
ࣕ Make sure that there are less than 10 bending points in a pipe.
CAUTION
• If the pipe is lengthened, the performance of the unit is degraded, and the service life is shortened.
Therefore, try to keep the pipe length as short as possible.
• You must install 1 S-trap on the gas side pipe up to 6m of height difference.
• If the height difference of the pipe exceeds 6m, install S-trap every 6m.
Indoor
unit
Less than 20m
Less than 30m
Indoor
unit
Outdoor
unit
Outdoor
unit
Less than 6m
Indoor
unit
S-trap
Install
S-trap
every 6m
of height
difference
Fix the pipe on the
external wall
Fix the pipe on
the external wall
Outdoor
unit
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Refrigerant piping work
INSTALLATION PARTS
Pipe connection
Gas pipe
Gas
pipe
Liquid
pipe
Liquid pipe
Indoor unit Outdoor unit
Selecting refrigerant pipe
Model name Liquid side (mm) Gas side (mm)
AC078BXPDHC Ø9.52
ŝߣ߫ߢߧ
AC096BXPDHC Ø9.52
ŝߤߤߤߥ
Temper grade and minimum thickness of the refrigerant pipe
Outer diameter [mm/(inch)] Minimum thickness (mm) Temper grade
Ø 6.35 (1/4) 0.7
C1220T-O (Soft)
Ø 9.52 (3/8) 0.7
Ø 12.70 (1/2) 0.8
Ø 15.88 (5/8) 0.8
Ø 19.05 (3/4) 1.0
Ø 22.23 (7/8) 0.9
C1220T-1/2H (Semi-soft) or
C1220T-H (Soft)
Ø 25.40 (1) 1.0
Ø 28.58 (1-1/8) 1.1
Ø 31.75 (1-1/4) 1.1
Ø 38.10 (1-1/2) 1.35
Ø 44.45 (1-3/4) 1.6
Ø 50.80 (2) 2.0
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INSTALLATION PARTS
Storing refrigerant pipe
To prevent foreign materials or water from entering the pipe, it is important to keep the refrigerant pipe
sealed in clean and dry condition during installation. Apply correct sealing method depending on the
environment.
Stored place Stored time Sealing type
Outside
Longer than one month
ťΧʪΧʀ˵
Shorter than one month
ƟɇΧ˝
Inside -
ƟɇΧ˝
Refrigerant pipe brazing and safety information
• Important information for refrigerant pipe work
ࣕ Make sure that there is no moisture inside the pipe.
ࣕ Make sure that there are no foreign materials and impurities in the pipe.
ࣕ Make sure that there is no leak.
ࣕ Make sure to follow the instruction when brazing and keeping the pipe.
• Nitrogen flushing brazing
ࣕ Use nitrogen gas when brazing the pipes as shown in the picture.
ࣕ If you do not perform nitrogen flushing when brazing the pipes, oxide may form inside the pipe. It
can cause the damage of the important parts such as compressor, valves.
ࣕ Adjust the flow rate of the nitrogen flushing with a pressure regulator to maintain 0.05m
3
/h or less.
ࣕ Wrap the bottom side of the service valve with a wet cloth and weld it as shown in the figure. Since
water will evaporate during welding, pour some water time to time. If not, O-ring and packing inside
the service valve may get damaged by a welding fire and cause critical leakage.
Brazing part
ø 6.35 (1/4”) copper pipe
Stop valve
Taping
High pressure hose
Flowmeter
Pressure regulator
Nitrogen gas
Nitrogen gas
Wet towel
Gas side
service valve
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Refrigerant piping work
INSTALLATION PARTS
Direction of the pipe when brazing
• Brazing the pipe should be done with the pipe headed downward or horizontally.
• Avoid brazing with the pipe headed upward.
Cutting or flaring the pipes
1 Make sure that you prepared the required tools.
ࣕ Pipe cutter, reamer, flaring tool and pipe holder, etc.
2 If you want to shorten the pipe, cut it with a pipe cutter ensuring that the cut edge remains at 90° with
the side of the pipe.
ࣕ There are some examples of correct and incorrect cut edges below.
90°
Oblique
Rough
Burr
3 To prevent a gas leak, remove all burrs at the cut edge of the pipe with a reamer.
4 Carry out flaring work with a flaring tool as shown below.
Flaring tool
Clutch type
Wing nut type
A
Flaring
bar
Copper pipe
Yoke
Flaring bar
Copper pipe
Flare nut
Outer diameter [D (mm)]
Depth of the flare [A (mm)]
Flare tool
Clutch type Wing nut type
ø 6.35 1.0~1.5
ߣߧߤߢ
ø 9.52 1.0~1.5
ߣߧߤߢ
ø 12.70 1.0~1.5
ߣߧߤߢ
ø 15.88 1.0~1.5
ߣߧߤߢ
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INSTALLATION PARTS
5 Check that you flared the pipe correctly.
ࣕ Below figures shows some examples of incorrectly flared pipes.
Correct Inclined Damaged surface Cracked Uneven thickness
CAUTION
• If foreign matters or burrs are not removed after cutting the pipe, refrigerant gas may leak.
• If foreign matters enter inside of the pipe, the important interior parts of the unit may get damaged or
product efficiency will be reduced. Therefore, direction of the pipe should be downward during cutting
or flaring the pipe.
Tightening flare connection part
• Check that the flaring is properly made.
• Align the center of the piping and sufficiently tighten the flare nut with fingers. Then, tighten the flare
nut with torque wrench until the wrench clicks. When tightening the flare nut with torque wrench,
ensure the direction for tightening follows the arrow on the wrench.
• Make sure to use ester oil to coat the flare connection part.
Pipe
Flare
connection part
Flare nut
Outer
diameter
(D, mm)
Connection
torque
(kgf•cm)
Flare
dimension
(L, mm)
Flare shape (mm)
ø 6.35 145~175
ߪߩߢ߫ߣߢ
90° ±2°
45° ±2°
R 0.4~0.8
D
L
ø 9.52 333~407
ߣߤߪߢߣߥߤߢ
ø 12.70 505~615
ߣߨߤߢߣߨߨߢ
ø 15.88 630~769
ߣ߫ߥߢߣ߫ߩߢ
CAUTION
• Blowing nitrogen gas should be done when brazing the pipe.
• Make sure to use the provided flare nut.
• Make sure that there are no cracks when bending the pipe.
• Do not fasten the flare nut with excessive strength.
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Refrigerant piping work
INSTALLATION PARTS
Pipe bending
1 Perform bending of the pipe using the bender which has a
specified bending radius.
2 Be sure to take full care to perform bending of the pipe
successfully at one time. Bending and unbending the pipe
more than twice makes the bending work increasingly
difficult.
3 You may use the spring inserted into the gas pipe instead
of the bender to bend the pipe.
4 When you bend the pipe using the spring, hold the pipe
with both hands to prevent any distortion, and secure a
minimum bending radius over 100mm.
Spring
Connecting the drain hose
• Connect the drain hose by inserting the extension
drain hose to the drain connection port tightly.
• Insulated the extension drain hose, then fix it with a
cable tie or a tape.
Drain pan
Cable tie
Insulation
Drain hose
Piping material
Vinyl chloride
(inner diameter of Ø16mm)
Insulation Foamed polyethylene
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INSTALLATION PARTS
Selecting the insulator of the refrigerant pipe
• Insulate the gas pipe and liquid pipe by referring to the thickness of insulator for each pipe size.
• The standard condition for indoor temperature is 30°C with humidity less than 85%. If the condition is
out of this standard condition, use the pipe that is one grade thicker.
Pipe diameter
(mm)
Minimum thickness of the insulator
Remarks
PE material EPDM material
ø 6.35~ø 19.05 13
ߣߢ
Ã˙ϩ˵ʪϑϩɇɇϩͱΧɇʀʪ˵ɇϑ˵˝˵
˵Їʒϩц࣑ϑЇʀ˵ɇϑɵɇϑʪʪϩͱ˙ɇ
ɵЇʒ˝ࡥϑʪɇϑʒʪࡥʪɇθ˵ͱϩϑΧθ˝ͱθɇʪ
ʪϩʀ࣒ʀθʪɇϑʪϩ˵ʪЇϩ˵ʀʪϑϑϩͱ
ʪуϩϑіʪЇΧ˙ͱθʪɇʀ˵ΧΧʪϑ
ø 22.23~ø 31.75 19
ߣߥ
ø 38.10~ø 44.45 25
ߣ߫
-32
ߤߧ
Insulating refrigerant pipe
• Pipe insulation
ࣕ Insulation of the gas and liquid pipes can be in contact with each other but they should not be
pressing each other.
ࣕ When contacting the gas side and liquid side pipe, use thicker insulation.
Insulation
Liquid pipe
Insulation
Gas pipe
CAUTION
• Make sure to install the insulation so that there is no gap or
crack and use the adhesives on the connection part of it to
prevent moisture from entering.
• Wind the refrigerant pipe with insulation tape if it is exposed to
outside sunlight. (When winding the insulation tape, make sure
that the thickness of the insulator does not get any thinner.)
• Install the refrigerant pipe respecting that the insulation
does not get thinner on the bent part or hanger of pipe.
• If the thickness of the insulation gets thinner, use additional
insulation.
Insulation for
refrigerant pipe
a x 3
a
Hanger
Additional
insulation
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Refrigerant charging
INSTALLATION PARTS
Allowable refrigerant pipe length and amount of additional refrigerant charging
• Air purge refrigerant for piping is not filled in this product.
• Make sure to vacuum inside of the connection pipe using vacuum pump after connecting pipes.
• During initial installation, fill the additional refrigerant if the pipe length exceeds 5 m.
• For every 1 m of exceeding pipe length, fill additional refrigerant as stated below.
Pipe diameter (mm)
Refrigerant amount
Basic (g) Additional (g/m)
AC078B*PD*C 6,600
ߥߢ
AC096B*PD*C 6,600
ߥߢ
Ex) If total piping length is 30 m,
6,600g (standard filling amount for 5 m pipe): Factory default (AF0AKV3SAEE*)
1,250g = {50g/m x (30m-5m)}: Additional refrigerant amount
(Fill during the installation)
7,850g: Total amount of refrigerant filling
Allowable refrigerant pipe length
Model name Maximum allowable pipe length Maximum height difference of the pipe
AC078B*PD*C
75m
ߥߢ
AC096B*PD*C
Refrigerant charging
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INSTALLATION PARTS
How to add refrigerant
R-410 is a mixed type of refrigerant. It is required for recharging under condition of liquid with the cylinder
upright.
Measure the quantity of refrigerant depending on the length of the liquid side pipe. Then, add fixed quantity
of refrigerant by using a scale.
• When the pipe length exceeds the standard length of 5 m, charge refrigerant according to the increased
length. Measure the quantity of refrigerant depending on the length of the liquid side pipe. Then, add
fixed quantity of refrigerant by using a scale.
Gas
side
Scale
R-410A
(Liquid
refrigerant
charging)
Liquid
side
Vacuum pump
Manifold
gauge
Service valve
Outdoor unit
CAUTION
• After charging, open completely the both gas and liquid side valves. (If you operate the air conditioner
with the service valves closed, the main parts of the outdoor unit may be damaged.)
• When charging refrigerant, wear protective gear.
• Do not charge refrigerant while operating the indoor unit.
• Be careful with the upper fan on the outdoor unit when operating the air conditioner with the front
cabinet panel detached.
• Do not heat the refrigerant container with an extra heat source to charge refrigerant faster when the
outdoor temperature is lower. This may result in an explosion or fire.
• Take care when connecting the manifold gauge to the refrigerant charging port for heating, the
refrigerant may leak.
• After charging, close the valve of the refrigerant container quickly. The overall amount of refrigerant
may be changed.
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Wiring work
INSTALLATION PARTS
Electrical work
• Wiring work should be performed in accordance with related laws such as technical specification on
electric installation or installation guide.
• Copper cable should be used for wiring work and all the wirings or parts should be rated products.
• Wiring work should be performed by a company certified by an electric power company.
• Refer to the circuit diagram attached to the outdoor unit for detailed wiring work.
• Wiring work should be performed after disconnecting main circuit breaker and Y-joint switch.
• ǽͱЇЇϑϩΧʪθ˙ͱθ˝θͱЇʒиͱθ˝ߤࢋ࣍θͱЇʒ˝θʪϑϑϩɇʀʪЭɇЇʪϑ˵ͱЇʒɵʪʪϑϑϩ˵ɇߢߡߡࢋ࣎Ǯ˵ʪ
ELB is installed, protective grounding resistance value can be applied. (When the ELB is 100mA, 0.1sec,
ΧθͱϩʪʀϩЭʪ˝θͱЇʒ˝θʪϑϑϩɇʀʪЭɇЇʪϑ˵ͱЇʒɵʪʪϑϑϩ˵ɇߣߦߡɇϩɇΧɇʀʪи˵ʪθʪʪʪʀϩθʀʒɇ˝ʪθϑ˵˝˵
ɇʒϑ˵ͱЇʒɵʪʪϑϑϩ˵ɇߦߡߡɇϩͱϩ˵ʪθΧɇʀʪϑࢋ࣎
• Do not connect the ground wire to the gas pipe, water pipe, lightning rod, or telephone.
ࣕ Gas pipe: If the gas leaks, explosion or ignition may occur.
ࣕ Water pipe: If rigid vinyl pipe is used, there will be no grounding effect.
ࣕ Ground wire of telephone and lightning rod: The electric potential of ground wire may rise
abnormally when lightening strikes.
• The ELB for ground-fault protection should be combined with MCCB or fuse equipped load switch. In this
case, you should use the one that has at least the same or larger fuse capacity or the rated current of
MCCB.
• Use the wires that comply with regulated specification and firmly connect to the terminal board. Then
tighten it with the provided screws so that the terminal board (connecting cable locally procured,
grounding terminal) cannot be moved by external force.
• When connecting outdoor unit main power, be aware of the connection order for 3 phase (R, S, T, N).
• Standard power cable length should be below 50m.
ࣕ If the length has to be over 50m, contact service center.
• Fix a cable tube using a CD connector (wire conduit) and bushing at the knock-out hole of the outdoor
unit.
Wiring work
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INSTALLATION PARTS
NOTE
• Supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed
flexible cord. (Code designation IEC:60245 IEC 57 / CENELEC: H05RN-F or IEC:60245 IEC66 / CENELEC
H07RN-F)
• This equipment complies with IEC 61000-3-12 provided that the short-circuit power Ssc is greater than
or equal to Ssc (*2) at the interface point between the user's supply and the public system. It is the
responsibility of the installer or user of the equipment to ensure, by consultation with the distribution
network operator if necessary, that the equipment is connected only to a supply with a short-circuit
power Ssc greater than or equal to Ssc(*2). [Ssc (*2)]
MODEL Ssc[MVA]
AC078B*PD*C 3.57
AC096B*PD*C 5.08
Power wiring diagram
Connect the power cable of the outdoor unit after checking that R-S-T-N (3-phase 4 wires) is properly
connected. If the power of 380 V is supplied to the N phase, PCB and other electrical parts will be damaged.
NOTE
• Before supplying power to the outdoor unit, be
sure to check the voltage of the distribution board.
The voltage between phases for the 3 phase 4
wires 380 V is as follows:
R phase and S phase: 380 V
R phase and T phase: 380 V
S phase and T phase: 380 V
R phase and N phase: 220 V
S phase and N phase: 220 V
T phase and N phase: 220 V
• Communication cables between the indoor and
outdoor units do not have polarity.
3 phase 4 wires
380 V
Communication cabale
(outdoor-to-indoor unit)
Outdoor
Unit
Single phase
220 V
Indoor
Unit
Earth
Earth
Or
Or
ELCB
ELCB
MCCB+
ELB
MCCB+
ELB
CAUTION
• Arrange the cables with a cable tie. ELCB and ELB must be installed because there is risk of electric
shock or fire.
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Wiring work
INSTALLATION PARTS
Connecting power and communication cable
This product uses the power for 380 V 60 Hz, 3-phase 4 wires. The indoor unit uses the power for 220 V 60
Hz, single-phase. The power cables for both units must be separated.
1 Remove the cover of the electrical component on the outdoor unit.
2 Connect the power cable (R, S, T, N) to the R, S, T, N of the terminal on the electrical component on the
outdoor unit. (Power cable must be purchased separately.)
3 When tightening the screw on the terminal block, apply appropriate tightening torque to assemble
cables to the terminal.
4 Install ELB [Earth Leakage breaker (for 4 wires)] for air conditioner. It must be selected according to the
starting current of the compressor.
1(L)
2(N)
F1F2F2F1 LNSRTN
NSRT
Indoor unit Outdoor unit Distributing board
Communication
terminal
ELB for
indoor unit
ELB for
outdoor unit
Indoor-to-outdoor
unit connection wire
Power supply cable for indoor unit
Earth
Earth
Earth
Power supply cable for outdoor unit
Model Outdoor unit Input Current (A) Power supply
Outdoor unit Indoor unit
Rated
Voltage
Range
Outdoor
(Down_Amp)
Indoor
Indoor Outdoor
Hz Volts Min. Max. Cooling MCA MFA MCA MFA
AC078BXPDHC AC078BNPDBC
60 380 342 418 25.0 2.5 2.5 3.1 25.0 31.3
AC096BXPDHC AC096BNPDBC
60 380 342 418 25.0 4.5 4.5 5.6 25.0 31.3
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INSTALLATION PARTS
Selecting solderless ring terminal
• Select a compressed ring terminal of a power cable based on a nominal dimensions for cable.
• Cover a compressed ring terminal and a connector part of the power cable and then connect it.
Silver solder
Nominal dimensions for cable (mm2) 4/6 10 16 25 35 50 70
Nominal dimensions for screw (mm) 4888888888
B
Standard dimension (mm) 9.5 15 15 16 12 16.5 16 22 22 24
Allowance (mm) ±0.2 ±0.2 ±0.2 ±0.3 ±0.3 ±0.3 ±0.4
D
Standard dimension (mm) 5.6 7.1 9 11.5 13.3 13.5 17.5
Allowance (mm)
+0.3
-0.2
+0.3
-0.2
+0.3
-0.2
+0.5
-0.2
+0.5
-0.2
+0.5
-0.2
+0.5
-0.4
d1
Standard dimension (mm) 3.4 4.5 5.8 7.7 9.4 11.4 13.3
Allowance (mm) ±0.2 ±0.2 ±0.2 ±0.2 ±0.2 ±0.3 ±0.4
EMin. 67.99.511 12.517.518.5
FMin. 59913151313131420
LMax.20 28.5 30 33 34 38 43 50 51
d2
Standard dimension (mm) 4.3 8.4 8.4 8.4 8.4 8.4 8.4 8.4 8.4 8.4
Allowance (mm)
+ 0.2
0
+0.4
0
+0.4
0
+0.4
0
+0.4
0
+0.4
0
+0.4
0
+0.4
0
tMin. 0.9 1.15 1.45 1.7 1.8 1.8 2.0
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Wiring work
INSTALLATION PARTS
Connecting the power terminal
• Connect the cables to the terminal board with solderless ring terminals.
• Only use the certified and rated cables and make sure to firmly connect them without applying any
external force to the terminal.
• Connect with a driver and a wrench that are able to apply the rated torque to the screws.
• If the terminal is loose, fire can occur due to arc heat generation. However, If the terminal is connected
too firmly, the terminal may get damaged.
Screw Ɵ˝˵ϩʪ˝ϩͱθαЇʪ࣍˝˙ʀ࣎
M3 5.0 ~ 7.5
M3.5 8.0 ~ 12.0
M4 12.0 ~ 18.0
M5 20.0 ~ 30.0
M6 25.0 ~ 37.5
CAUTION
• When removing the outer sheath of the power supply cable, be careful not to scratch the inner sheath of
the cable.
• Make sure that more than 20mm of the outer sheath of the indoor unit power supply cable and
communication cable are inside the electrical component box.
• Install the communication cable separately from power cable and other communication cables.
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INSTALLATION PARTS
Fixing the power cable
CAUTION
• Do not let the power cable come into contact with the
pipes inside the outdoor unit. If the power supply cable
touches the pipes, the vibration of the compressor is
transferred to the pipes and can damage the power
supply cables or pipes, creating the danger of fire or
explosion.
• Make sure that the place where the sheath of power
supply cable is removed is inside the power supply box.
If it is impossible, you should connect the protection
tube for power cable to the power supply box.
• After arranging the power cable into the power supply
box, tighten the cover.
Sub unit communication cable
L1(R) L2(S) L3(T) L4(N)
3 phase 4
wires
(380-415 V~)
ELCB
Or
MCCB+
ELB
Connect the ring terminal
1 Cut the power cable to an appropriate length and connect it
with the solderless terminal.
2 After connecting the power cable to the terminal as seen in the
illustration, fix it with cable tie.
3 Fix the housing, which has an insulator to the terminal board.
L1(R) L2(S) L3(T) L4(N)
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Wiring work
INSTALLATION PARTS
Grounding work
Installing grounding wire
• Grounding must be done by a qualified installer for you safety.
• Use the grouding wire by referring to the specification of the electric cable of the outdoor unit.
Grounding the power cable
ࣕ The standard of grounding may vary according to the rated voltage and installation place of the air
conditioner.
ࣕ Ground the power cable according to the following.
Power condition
Installation place
Voltage to ground is lower than
150V
Voltage to ground is over 150V
High humidity
Must perform the grounding work 3.
Note 1)
(Including the case where earth leakage breaker is installed)
Average humidity Perform grounding work 3.
Note 1)
Must perform the grounding work
ߤࢋ
Note 1)
(Including the case where earth
leakage breaker is installed)
Low humidity
Perform grounding work 3, if
possible, for your safety.
Note 2)
Note 1) Grounding Work 3
ࣕ Grounding work must be done by an expert (with qualification).
ࣕ A˵ʪʀ˙ϩ˵ʪ˝θͱЇʒ˝θʪϑϑϩɇʀʪϑͱиʪθϩ˵ɇߢߡߡץࢋǮ˵ʪϑϩɇ˝ɇʪɇθϩ˵ʪɇɇ˝ʪɵθʪɇʪθ
(that can cut the electric circuit within 0.5 second in case of a short circuit), allowable grounding
θʪϑϑϩɇʀʪϑ˵ͱЇʒɵʪߤߡߦߡߡץࢋ
Note 2) Perform ground work in a dry place
ࣕ Ɵ˵ʪ˝θͱЇʒ˝θʪϑϑϩɇʀʪϑ˵ͱЇʒɵʪͱиʪθϩ˵ɇߢߡߡץࢋkЭʪиͱθϑϩʀɇϑʪࡡ˝θͱЇʒ˝θʪϑϑϩɇʀʪ
ϑ˵ͱЇʒɵʪͱиʪθϩ˵ɇߣߦߡץࢋ
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INSTALLATION PARTS
Performing the grounding work
ࣕ Use a rated grounding cable by referring to the specification of the electric cable for the outdoor unit.
When using the terminal for grounding only When using grounding of the switch board
Earth terminal
Switch board
If the power distribution circuit does not have a grounding or the grounding does not comply with
specifications,a ground rod must be installed. The corresponding accessories are not supplied with the air
conditioner.
1 Select a grounding rod that complies with the specifications given in the illustration.
Compressed ring terminal
(Terminal M4)
PVC-insulated green / yellow wire
Copper wire
Carbon rod
2 Select a proper place for the grounding rod installation.priate installing position for ground rod.
ࣕ In damp hard soil rather than loose sandy or gravel soil that has a higher grounding resistance.
ࣕ Away from underground structures or facilities, such as gas pipes, water pipes, telephone lines and
underground cables.
ࣕ At least two meters away from lightening(as in a strom) conductor.
50cm
30cm
CAUTION
• The grounding wire for the telephone line cannot be used to ground the air conditioner.
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Wiring work
INSTALLATION PARTS
3 Install a green / yellow grounding wire:
ࣕ Please refer to the “Wiring work” for the specification of grounding wire.
ࣕ When the grounding wire is too short,extend the grounding wire but bind the connection part with
insulation tepe.Extend the ground lead if too short and use the heat-insulated tape to secure the
connection part.
(Do not bury the connection)
ࣕ Secure the grounding wire in position with staples.
CAUTION
• When the grounding rod is installed in a place where many people pass by,you must fix it firmly.
4 Carefully check the installation,by measuring the grounding resistance with a ground resistance tester.
ࣕ If the resistance is above required level,drive the grounding rod deeper into the ground or increase
the number of grounding rods.
5 Connect the grounding wire to the electrical component box inside of the outdoor unit.
Gas leak tests on the outdoor unit is done initially from the factory, but you must test for gas leakage after
the installation.
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INSTALLATION PARTS
Gas leak tests on the outdoor unit is done initially from the factory, but you must test for gas leakage after
the installation.
1 Purge the pipe and run vacuum test. (Pressure should not increase for a minute.)
2 Insert the nitrogen gas so that pressure reaches minimum 2kg/cm2.
3 Use soap water to check the leakage on the connection part.
4 For final vacuum test, leave the outdoor unit for 24 hours under pressure of 28kg/cm2 and check for any
signs of pressure decrease.
5 Discharge the nitrogen gas.
6 Keep the outdoor unit in vacuum status.
7 If length of the pipe exceeds the standard length, charge additional refrigerant.
8 Open the outdoor unit valve and circulate the refrigerant to the indoor unit so that pressure of the entire
pipe becomes even.
Gas leak test and vacuum drying
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Check lists after completing the installation
INSTALLATION PARTS
After completing the installation, you must check the following.
Installation
Indoor
unit
• Have you checked the external surface and the internal part of the indoor
unit?
• Is the place well-ventilated and ensures space for service?
• Have you checked if the center of the indoor unit is ensured and it is
installed horizontally in level?
• Have you connected refrigeration pipes properly?
Outdoor
unit
• Have you checked the external surface and the internal part of the
outdoor unit?
• Is there any possibility of short circuit due to the heat of an outdoor unit?
• Is the place well-ventilated and ensures space for service?
• Is the outdoor unit fixed securely?
Refrigerant pipe work
• Have you checked for any gas leakage?
• Are the length and the height difference between the refrigerant pipes
within the allowable range?
• Have you properly insulated pipes?
• Is the quantity of the additional refrigerant correctly weighed in?
• You must record the amount of additional refrigerant charging on the
service record label placed outside the outdoor unit.
Installing the drain pipe
• Have you completed the drain test?
• Is the drainpipe properly insulated?
Wiring work
• Have you checked for interference between the power and the
communication cable?
• Have you performed the earthing work 3 to the outdoor unit?
• Is the length of the wire within allowable range?
• Is the wiring route correct?
• Have you used verified power supply cable and the communication
cable?
Option
• Check whether the vibration-resistance frame is correctly installed if
there is a possible vibration of the outdoor unit.
Check lists after completing the installation
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INSTALLATION PARTS
Testing operations
1 Check the power supply between the outdoor unit and the auxiliary circuit breaker.
ࣕ 1 phase power supply : L, N
ࣕ 3 phases 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 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
Refrigerant charging
in Cooling mode
5th FAN1 Check
6th FAN2 Check
7th
Discharge mode of
DC link voltage
8th End Key operation
K1
K2
K3
K4
Outdoor unit
4 After 12 minutes of stationary condition check each indoor unit air treatment :
ࣕ Aͱͱ˝ͱʒʪ࣍ʒͱͱθЇϩʀ˵ʪʀ࣎ÃʪϩɇθϩʪΧࢋࣗĮЇϩʪϩɇθϩʪΧࢋࡠθͱߢߡইAϩͱߢߣইA
5 How to reset the power supply of the outdoor unit and deactivate the eco mode (standby mode) :
ࣕ Outdoor unit type A :
Press [K3] button over 1 sec to reset the power supply of the outdoor unit and deactivate the eco
mode (standby mode)
6 View Mode : When the K4 switch is pressed, you can see information about our system state as 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
preset indoor unit
3 Hundreds digit Tens digit Units digit EA
4
The sensor for
outdoor air intake
4 + / - Tens digit Units digit ঐͱθঔ
2)
5 Discharge sensor 5 Hundreds digit Tens digit Units digit ঐͱθঔ
2)
6 Eva-Mid sensor 6 Hundreds digit or ""-""
1)
Tens digit Units digit ঐͱθঔ
2)
7 Condensor sensor 7 Hundreds digit or ""-""
1)
Tens digit Units digit ঐͱθঔ
2)
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Testing operations
INSTALLATION PARTS
K4 short
push
Display contents SEG1 SEG2 SEG3 SEG4 Unit
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 or ""-""
1)
Tens digit Units digit ঐͱθঔ
2)
11 EEV B
16kW
Hundreds
digit
Tens digit Units digit step
18/20/25kW
Thousands
digit
Hundreds digit Tens digit
12
The capacity sum of
indoor units
C Tens digit Units digit
The first place
of decimals
kW or
kBtu/h
3)
13 Protective control D
0: Cooling
1: Heating
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 radiationg plate
E Hundreds digit or ""-""
1)
Tens digit Units digit ঐͱθঔ
2)
15
The number of
connected indoor units
F Hundreds digit Tens digit Units digit EA
1)
Sub-zero temperatures are expressed as a minus, instead of hundreds digit.
2)
The temperature unit can be switched between Celsius and Fahrenheit through Setting outdoor unit
option switches. (Default value is Celsius.)
3)
If the temperature unit is set to Fahrenheit through Setting outdoor unit option switches, the value is
expressed in the unit of kBtu/h.
Display contents SEG1 SEG2 SEG3 SEG4
K4
long
push
- Main micom version Year (Hex) Month (Hex) Date (Tens' digit) Date (Unit digit)
After short push 1 Inverter micom version
Year (Hex)
Month (Hex) Date (Tens' digit) Date (Unit digit)
Year (Dec)
After short push 2 Fan1 version Year (Dec) Month (Hex) Date (Tens' digit) Date (Unit digit)
After short push 3 Fan2 version Year (Dec) Month (Hex) Date (Tens' digit) Date (Unit digit)
After short push 4 E2P version
Year (Hex)
Month (Hex) Date (Tens' digit) Date (Unit digit)
Year (Dec)
• øͱ˝ΧЇϑ˵çߥ࣍đɇʀͱЭʪθࢋ࣎ϑ˵ͱθϩΧЇϑ˵ߢͱθʪ࣍ÃЭࢋʀͱЭʪθࢋ࣎ϑ˵ͱθϩΧЇϑ˵ߢͱθʪ࣍kߣťࢋЭʪθࢋ࣎
ϑ˵ͱθϩΧЇϑ˵ߢͱθʪ࣍Їϩͱɇϩʀɇʒʒθʪϑϑ࣎ϑ˵ͱθϩΧЇϑ˵ߢͱθʪ࣍đɇЇɇɇʒʒθʪϑϑ࣎
ϑ˵ͱθϩΧЇϑ˵ߢͱθʪ࣍đɇʀͱЭʪθࢋ࣎ࢋࢋࢋࢋࢋࢋࢋøͱ˝ΧЇϑ˵çߥ࣍Ǥʪиͱʒʪʪʒ࣎
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INSTALLATION PARTS
7 DIP switch option
ON
1234
ON
1234
SW53 SW58
• DIP switch(SW53) option
On (default) Off
Switch 2 Disable snow prevention control Enable snow prevention control
Switch 3
Silence Mode option
Switch 4
• DIP switch(SW58) option
On(default) Off
Switch 1 Auto Silence Mode Manual Silence Mode
Switch 2 --
Switch 3 --
Switch 4 --
8 Silence Mode DIP switch option
• DIP switch (SW53) option
Switch 3 Switch 4 Operation
On On Disable Silence mode
On Off Silence mode 1st step
Off On Silence mode 2nd step
Off Off Silence mode 3rd step
9 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.
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Testing operations
INSTALLATION PARTS
Option item Input unit SEG1 SEG2 SEG3 SEG4 Function
Channel address Main 0 0
A U Automatic setting (Factory default)
00~15 Manual setting
Not applicable Main 0 1
0 0 Not Applicable
0 1 Not Applicable
Not applicable Main 0 2
0 0 Not Applicable
0 1 Not Applicable
0 2 Not Applicable
0 3 Not Applicable
Not applicable Main 0 3
0 0 Not Applicable
0 1 Not Applicable
Temperature unit Main 0 4
0 0 Celsius (default)
0 1 Fahrenheit
Not applicable Main 0 5
0 0 Not applicable
0 1 Not applicable
Current restriction
θɇϩʪ࣑ࠞ
Main 0 6
0 0 100% (Factory default)
0 1 95%
02 90%
0 3 85%
04 80%
0 5 75%
06 70%
0 7 65%
08 60%
0 9 55%
10 50%
1 1 100%
Dedicated mode for
ʀͱͱ˝ࢥ˵ʪɇϩ˝࣑ࠟ
Main 0 7
0 0 Cooling / Heating operation (default)
0 1 Cooling operation only
0 2 Heating operation only
• ࣑ࠞAЇθθʪϩθʪϑϩθʀϩͱθɇϩʪࡠǮ˵ʪθʪϑϩθʀϩͱͱΧϩͱϑϑʪϩࡡʀͱͱ˝ɇʒ˵ʪɇϩ˝Χʪθ˙ͱθɇʀʪɇц
decrease.
• ࣑ࠟAࡐࡐࡐ9ǹťU²Aͱʒʪϑɇθʪʀͱͱ˝ࣗͱцͱʒʪϑɇʒʒͱͱϩϑЇΧΧͱθϩ˵ʪɇϩ˝ͱʒʪࢋƟ˵ʪϑʪͱʒʪϑ
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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INSTALLATION PARTS
The table below give indication about self diagnostic routine. Some of error code requires activities
exclusively for Authorized Service Center.
Outdoor unit
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
1E108
Error due to repeated address setting(when 2 or
more devices has same address within the network)
Check on repeated indoor unit main
address
2 E121
Error on indoor 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
5E153
Error on float switch (2nd detection)
"Indoor unit Float Switch Open/Short
Drain Pump operation Check"
6E154
RPM feedback error of indoor unit
Check on indoor unit indoor Fan
operation
7E162
Outdoor unit EEPROM Read/Write error (H/W) Check Outdoor EEPROM PBA
8E163
Outdoor unit EEPROM Read/Write error (Option) Check Outdoor EEPROM Data
9E198
Error on thermal fuse of indoor unit (Open)
Thermal Fuse Open Check of indoor unit
Terminal Block
10 E201
"Communication error between indoor and outdoor
unit(Installation number setting error repeated
indoor unit address,indoor unit communication cable
error)"
Check indoor quantity setting in outdoor
11 E202
"Communication error between indoor and outdoor
unit(Communication error on all indoor unit, outdoor
unit communication cable error)"
Check electrical connection and setting
between indoor unit and outdoor unit
12 E205
Communication error on all PBA within the outdoor
unit C-Box,communication cable error
-
13 E206
E206-C002 : Fan PBA communication error,
E206-C003 : INV PBA communication error
-
14 E221
Error on outdoor temperature sensor (Short or Open) Check Outdoor sensor Open / Short
15 E231
Error on outdoor COND OUT sensor (Short or Open) Check Cond-Out sensor Open / Short
16 E251
Error on discharge temperature sensor of compressor
1 (Short or Open)
Check Discharge sensor Open / Short
17 E320
Error on OLP sensor (Short or Open) Check OLP sensor Open / Short
18 E346
Error due to operation failure of Fan2 Fan2 error
19 E347
Motor wire of Fan2 is not connected Fan2 error
Troubleshooting
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Troubleshooting
INSTALLATION PARTS
No.
Error
Code
Meaning Remarks
20 E348
Lock error on Fan2 of outdoor unit Fan2 error
21 E353
Error due to overheated motor of outdoor unit's Fan2 Fan2 error
22 E355
Error due to overheated IPM of Fan2 Fan2 error
23 E378
Error due to overcurrent of Fan2 Fan2 error
24 E386
Over-voltage/low-voltage error of Fan2 Fan2 error
25 E387
Hall IC connection error of Fan2 Fan2 error
26 E389
V-limit error on Fan2 of compressor Fan2 error
27 E391
Error due to DataFlash of Fan2 Fan2 error
28 E393
Output current sensor error of Fan2 Fan2 error
29 E396
DC voltage sensor error of Fan2 Fan2 error
30 E399
Heat sink temperature sensor error of Fan2 Fan2 error
31 E403
Compressor down due to freeze protection control Check Outdoor Cond.
32 E404
System stop due to overload protection control Check Comp. when it start
33 E416
System stop due to discharge temperature -
34 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
refrigerant cycle(indoor unit/outdoor unit)
4. Check if additional refrigerant has
been added after pipe extension
35 E425
Reverse phase or open phase
Check whether 3 phase is reversed or
opened.
36 E440
Heating mode restriction due to high air temperature
Heating
37 E441
Cooling mode restriction due to low air temperature
Cooling
38 E446
Error due to operation failure of Fan1 Fan1 error
39 E447
Motor wire of Fan1 is not connected Fan1 error
40 E448
Lock error on Fan1 of outdoor unit Fan1 error
41 E452
Error due to ZCP detection circuit problem or power
failure
-
42 E453
Error due to overheated motor of outdoor unit's Fan1 Fan1 error
43 E455
Error due to overheated IPM of Fan1 Fan1 error
44 E458
Fan speed error Fan1 error
45 E461
Error due to operation failure of inverter compressor
-
46 E462
System stop due to full current control -
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INSTALLATION PARTS
No.
Error
Code
Meaning Remarks
47 E463
Operation temperature protection of the top of the
compressor
1. Check if the service valve is open
2. Check for refrigerant leakage (pipe
connection, pipe extension and others)
and charge refrigerant if necessary
3. Check the location of the outdoor unit
and change the location if necessary
4. Re-install the outdoor unit if necessary
48 E464
IPM Over Current(O.C) IPM
49 E465
Comp. Over load error -
50 E466
DC-Link voltage under/over error Check AC Power and DC Link Voltage
51 E467
Error due to abnormal rotation of the compressor or
unconnected wire of compressor
Check Comp wire
52 E468
Error on current sensor (Short or Open) Check Outdoor Inverter PBA.
53 E469
Error on DC-Link voltage sensor (Short or Open) -
54 E471
Outdoor EEPROM checksum error between MAIN
and INVERTER
Check Outdoor EEPROM PBA
55 E472
AC Line Zero Cross Signal out -
56 E473
Comp Lock error -
57 E474
Error on IPM Heat Sink sensor of inverter 1 (Short or
Open)
heck Outdoor Inverter PBA
58 E475
Error on inverter fan 2 Fan2 error
59 E478
Error due to overcurrent of Fan1 Fan1 error
60 E484
PFC Overload (Over current) Error Check Outdoor Inverter PBA.
61 E485
Error on input current sensor of inverter 1 (Short or
Open)
Check Outdoor EEPROM PBA
62 E486
Over-voltage/low-voltage error of Fan1 Fan1 error
63 E487
Hall IC connection error of Fan1 Fan1 error
64 E489
V-limit error on Fan1 of compressor Fan1 error
65 E491
Error due to DataFlash of Fan1 Fan1 error
66 E493
Output current sensor error of Fan1 Fan1 error
67 E496
DC voltage sensor error of Fan1 Fan1 error
68 E499
Heat sink temperature sensor error of Fan1 Fan1 error
69 E500
IPM over heat error on inverter 1 Check Outdoor Inverter PBA.
70 E508
Smart install is not installed -
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Troubleshooting
INSTALLATION PARTS
No.
Error
Code
Meaning Remarks
71 E554
Detected full gas leakage
1.
Check if the service valve is open
2.
Check the amount of the refrigerant in
the outdoor unit
3.
Check for refrigerant leakage (pipe
connection, pipe extension and others)
and charge refrigerant if necessary
4.
Check the sensor of the indoor unit
5.
Check for EEV connection and connect
them again if necessary
72 E556
Error due to mismatching capacity of indoor and
outdoor unit
Check the indoor and Outdoor unit
Capacity
73 E660 Inverter Boot Code error -
Pumping down refrigerant
WARNING
• After installing the product, be sure to perform leak tests on the piping connections. After pumping
down refrigerant to inspect or relocate the outdoor unit, be sure to stop the compressor and then
remove the connected pipes.
ࣕ Do not operate the compressor while a valve is open due to refrigerant leakage from a pipe or an
unconnected or incorrectly connected pipe. Failure to do so may cause air to flow into the compressor
and too a high pressure to develop inside the refrigerant circuit, leading to an explosion or product
malfunction.
Pump-down is an operation intended to collect all the system refrigerant in the outdoor unit. This operation
must be carried out before disconnecting the refrigerant pipe in order to avoid refrigerant loss to the
atmosphere.
1 Turn the system on in cooling with fan operating at high velocity and
ϩ˵ʪʪϩϩ˵ʪʀͱΧθʪϑϑͱθθЇ˙ͱθͱθʪϩ˵ɇߦЇϩʪϑࢋ࣍AͱΧθʪϑϑͱθи
ʪʒɇϩʪцϑϩɇθϩࡡΧθͱЭʒʪʒߤЇϩʪϑ˵ɇЭʪʪɇΧϑʪʒϑʀʪϩ˵ʪɇϑϩϑϩͱΧࢋ࣎
2 Release the valve caps on High and Low pressure side.
3 Use L-wrench to close the valve on the high pressure side.
4 ˙ϩʪθɇΧΧθͱуɇϩʪцߣЇϩʪࡡʀͱϑʪϩ˵ʪЭɇЭʪͱϩ˵ʪͱиΧθʪϑϑЇθʪϑʒʪࢋ
5 Stop operation of the air conditioner by pressing the (Power) button on
the indoor unit or remote control.
6 Disconnect the pipes.
B(liquid)
A(gas)
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INSTALLATION PARTS
1 Prepare the following tools.
Tools Spec Shape
Crimping pliers MH-14
Connection sleeve (mm) 20xØ6.5 (HxOD)
Insulation tape Width 19 mm
Contraction tube (mm) 70xØ8.0 (LxOD)
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
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.
How to connect your extended power cables
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How to connect your extended power cables
INSTALLATION PARTS
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.
Compression
dimension
• After compressing it, pull both sides of the wire to make sure it is firmly pressed.
Method 1 Method 2
5 mm
Compress it 4 times.
Compress it 4 times.
5 mm
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INSTALLATION PARTS
5 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
6 Apply heat to the contraction tube to contract it.
Method 1
Contraction tube
Contraction tube
Method 2
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 PARTS
Memo
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INSTALLATION PARTS
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DB68-11731C-00
QUESTIONS OR COMMENTS?
COUNTRY CALL OR VISIT US ONLINE AT
PHILIPPINES
1-800-10-7267864 [ PLDT - Toll Free ]
1-800-8-7267864 [ Globe - Toll Free ]
84222111 [ Landline ]
www.samsung.com/ph/support
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