Samsung AR12MSWXBWKNEU User Manual
Displayed below is the user manual for AR12MSWXBWKNEU by Samsung which is a product in the Split-System Air Conditioners category. This manual has pages.
Related Manuals
Air conditioner
Installation manual
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NSPX
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NSWX
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•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
Installation 3
Safety Information on Installation 3
Preparation 5
Step 1.1 Choosing the installation location
Step 1.2 Checking and preparing accessories and tools
Step 1.3 Drilling a hole through the wall
Step 1.4 Taping the pipes, cables, and drain hose
Indoor Unit Installation 9
Step 2.1 Disassembling the cover panel
Step 2.2 Disassembling the installation plate
Step 2.3 Connecting the power and communication cables (assembly cable)
Step 2.4 Optional: Extending the power cable
Step 2.5 Installing and connecting the drain hose
Step 2.6 Optional: Extending the drain hose
Step 2.7 Optional: Changing the direction of the drain hose
Step 2.8 Installing and connecting the assembly pipes to the refrigerant pipes (assembly pipe)
Step 2.9 Shortening or extending the refrigerant pipes (assembly pipe)
Step 2.10 Fixing the installation plate
Step 2.11 Fixing the indoor unit to the installation plate
Step 2.12 Assembling the cover panel
Outdoor Unit Installation 17
Step 3.1 Fixing the outdoor unit in place
Step 3.2 Connecting the power and communication cables and the refrigerant pipes
Step 3.3 Evacuating the air
Step 3.4 Adding refrigerant
Step 3.5 Important information: regulation regarding the refrigerant used
Installation Inspection 21
Step 4.1 Performing the gas leak tests
Step 4.2 Running the Smart Install mode
Step 4.3 Performing final check and trial operation
Sub PCB installation(optional) 24
For information on Samsung’s environmental commitments and product-specific regulatory obligations, e.g.
REACH, WEEE, Batteries, visit : samsung.com/uk/aboutsamsung/samsungelectronics/corporatecitizenship/
data_corner.html
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Installation
Carefully follow the precautions listed below because
they are essential to guarantee the safety of both the
air conditioner and the workers.
• 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 operation and installation 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.
• This product has been determined to be in
compliance with the Low Voltage Directive
(2006/95/EC) and the Electromagnetic
Compatibility Directive (2004/108/EC) of the
European Union.
• The manufacturer shall not be responsible for
damage originating from unauthorised changes
or the improper connection of electric and
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 help 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 unauthorised personnel,
these operations may cause electric shocks or
fires.
• Do not place containers with liquids or other
objects on the unit.
• All the materials used for the manufacture and
packaging of the air conditioner are recyclable.
• The packing material and exhaust batteries of the
remote control (optional) must be disposed of in
accordance with current laws.
• The air conditioner contains a refrigerant that has
to be disposed of as special waste. At the end of
its life cycle, the air conditioner must be disposed
of in authorised centres or returned to the retailer
so that it can be disposed of correctly and safely.
Installation of 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 authorised
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
Safety Information on Installation
Installation
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Installation
fires, explosions or injuries.
• Our units must be installed in compliance with
the spaces indicated in the installation 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 Installation 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 will be charged to
end user.
• When installing the outdoor unit at the seaside,
make sure that it is not directly exposed to sea
breeze. If you cannot find an adequate place free
from direct sea breeze, construct a protection wall
or a protective fence.
–Install the outdoor unit in a place (such as
near buildings etc.) where it can be protected
from sea breeze. Failure to do so may cause a
damage to the outdoor unit.
Sea
Sea breeze
Outdoor unit Outdoor unit
Sea breeze
Sea
• If you cannot avoid installing the outdoor unit at
the seaside, construct a protection wall around to
block the sea breeze.
• Construct a protection wall with a solid material
such as concrete to block the sea breeze. Make
sure that the height and the width of the wall are
1.5 times larger than the size of the outdoor unit.
Also, secure a space larger than 600 mm between
the protection wall and the outdoor unit for
exhausted air to ventilate.
Sea
Sea breeze
Outdoor unit
Protection wall
Outdoor unit
Protection wall
• Install the unit in a place where water can drain
smoothly.
• If you have any difficulty finding installation
location as prescribed above, contact your
manufacturer for details.
• Be sure to clean the sea water and the dust on the
heat exchanger of the outdoor unit and apply a
corrosion inhibitor on it. (At least once in a year.)
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,
extension wiring, and multiple wire connection.
–It may cause electric shock or fire due to poor
connection, poor insulation, or current limit
override.
–When extension wiring is required due
to power line damage, refer to "Step 2.4
Optional: Extending the power cable" in the
installation manual.
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Installation
Step 1.1 Choosing the installation
location
If using a multi system, install as described in the
installation manual supplied with the outdoor
unit.
Overview of installation location requirements
CAUTION
CAUTION
• Comply with the length and height limits
described in the figure above.
Minimum clearances for the outdoor unit
Wall
Minimum clearance in mm
300
600
Air flow direction
Side viewTop view
When installing 1 outdoor unit (6 cases)
(Unit: mm)
300
1500
300
150 600
1500
2000
500
300
300 1500
(Unit : m)
Model Pipe length Pipe height
Minimum Maximum Maximum
**07*******
**09*******
**12*******
315 8
**18*******
**24******* 330 15
Preparation
100 mm or more
125 mm
or more
125 mm
or more
Drain hose hole
You can select the direction of
draining (left or right).
Maximum pipe height: 8/15 m
Maximum pipe length: 15/30 m
Make at least one round to
reduce noise and vibration.
The actual units may look different from
the images depicted here.
Make a U-trap (A) on the pipe
(which is connected to the indoor
unit) at outer wall and cut the
bottom part of the insulation
(about 10 mm) to prevent
rainwater from getting inside
through the insulation.
Outdoor
Unit
Outer wall
Indoor
Unit
Cut insulation to have
rainwater drained
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Installation
When installing more than 1 outdoor unit (5 cases)
(Unit: mm)
1500 600 3000 2003000
3001500
600 600
1500
300
300 600 600 600
500
300
500
300
CAUTION
• If the outdoor unit is installed with any insufficient
clearance, it may generate sound and affect the
whole product.
• Be sure to install the outdoor unit in a level place
where its vibration does not affect the whole
product.
Step 1.2 Checking and preparing
accessories and tools
Accessories
Accessories in the indoor unit package
Installation plate (1)
**07*******
**09*******
**12*******
Installation plate (1)
**18*******
**24*******
Remote control (1) Remote control holder (1)
Remote control battery (2) User Manual (2)
AR**MS*****
User Manual (1)
AR**NS*****
Installation Manual (1)
Cap screw (2) Guide Left (1)
Guide Right (1) Case Sub PCB (1)
M4 x 12 tapping screw (2)
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Installation
If using a multi system, refer to the manual
supplied with the outdoor unit.
Optional accessories
Insulated assembly pipe,
Ø 6.35 mm (1)
Insulated assembly pipe,
Ø 9.52 mm (1)
**09*******
**12*******
Insulated assembly pipe,
Ø 12.70 mm (1)
**18*******
Insulated assembly pipe,
Ø 15.88 mm (1)
**24*******
Pipe clamp B (3) Pipe clamp A (3)
Drain Hose, 2 m long (1) Foam Insulation (1)
Vinyl tape (2) PE T3 foam tube insulation (1)
Putty 100 g (1) Drain plug (1)
M4 x 25 tapped screw (6) Cement nail (6)
3-wire Power Cable (1) 3-wire Assembly Cable (1)
2-wire Assembly Cable (1)
Accessories in the outdoor unit package
Rubber leg (4)
NOTE
• A flare nut is attached to the end of each pipe
of an evaporator or a service port. Use flare nuts
when connecting the pipes.
• Wire assembly cables are optional. If they are not
supplied, use standard cables.
• The drain plug and the rubber legs are included
only when the air conditioner is supplied without
assembly pipes.
• If these accessories are supplied, they are in the
accessory package or outdoor unit package.
Tools
General tools
• Vacuum pump
(Backward flowing prevention)
• Manifold gauge
• Stud finder
• Torque wrench
• Pipe cutter
• Reamer
• Pipe bender
• Spirit level
• Screwdriver
• Spanner
• Drill
• L-wrench
• Measuring tape
Tools for test operation
• Thermometer
• Resistance meter
• Electroscope
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Installation
Step 1.3 Drilling a hole through the
wall
Before fixing the installation plate to a wall and
then fixing the indoor unit to the installation plate,
a window frame, or a gypsum board, you must
determine the position of a hole (with 65 mm inner
diameter) through which the pipe bundle (consisting
of power and communication cables, refrigerant
pipes, and drain hose) will pass and then drill that
hole.
1 Determine the position of a 65 mm hole in
consideration of the possible directions of the pipe
bundle and the minimum distances between the
hole and the installation plate.
RightLeft
Rear right or left
<Possible directions of the pipe bundle>
Bottom right
CAUTION
• If changing the pipe direction from left to right,
do not drastically bent it but slowly turn it in the
opposite direction as shown. Otherwise, the pipe
may be damaged in the process.
2 Drill the hole.
CAUTION
• Be sure to drill only one hole.
• Make sure that the hole slants downwards so that
the drain hose slants downwards to drain water
well.
Wall
Drain hose
Indoor unit
<The hole slants downwards>
Step 1.4 Taping the pipes, cables, and
drain hose
1 Wrap foam insulation on parts without insulation
on the ends of the refrigerant pipes, as shown in
the figure. This wrapping minimises condensation
problem.
Insulation
Refrigerant pipes
2 Wind the refrigerant pipes, power cable,
communication cable and drain hose with vinyl
tape to make a pipe bundle.
Refrigerant pipes
(assembly pipe)
Installation plate
Vinyl tape
Drain hose
Power and communication cables
(assembly cable)
(Unit : mm)
Model A B C D
**07*******
**09*******
**12*******
36 120 81 36
**18*******
**24*******
33 110 110 33
Pipe bundle hole: Ø 65 mm
Pipe bundle hole
<Minimum distances between the hole and the
installation plate>
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Installation
Please scan this QR code for detail
video of indoor unit installation.
Step 2.1 Disassembling the cover
panel
1 Remove the cap screws, then the screws.
Cap screw Screw
Phillips screwdriver Flat-head screwdriver
2 Unlock the side hooks ( , ), then centre hooks
(). Then unlock the bottom hooks ( ) to pull out
the cover panel.
B
B
C
A
A
1
2
4
Step 2.2 Disassembling the
installation plate
Centre hook (A) Bottom/Side hook (B/C)
Indoor Unit Installation
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Installation
Step 2.3 Connecting the Power and
communication cables (assembly cable)
If using a multi system, install as described in the
installation manual supplied with the outdoor unit.
Control box
1(L)2(N) F1 F2
• When performing electrical and earthing works,
be sure to comply with the 'technical standards of
electrical installations' and the 'wiring regulations'
in the local regulations.
• Tightentheterminalblockscrewto1.2-1.8N•m
(1.2-1.8kgf•cm).
NOTE
• Each wire is labelled with the corresponding
terminal number.
• Use shield cable (Category 5; less than 50pF/m)
for noisy environmental site.
• Power supply cords of parts of appliances
for outdoor use shall not be lighter than
polychloroprene sheathed flexible cord. (Code
designation IEC: 60245 IEC66/CENELEC: H07RN-F,
IEC: 60245 IEC57 CENELEC: H05RN-F, IEC: 60227
IEC53: H05VV-F)
• Power & Communication cable shall not exceed
30m.
CAUTION
• For the terminal block wiring, use a wire with a
ring terminal socket only. Regular wires without
a ring terminal socket may become a hazard due
to overheating of the electrical contact during
installation.
• If you need to extend the pipe, be sure to extend
the cable, too.
(Unit : m)
Model Cable (Maximum)
**07*******
**09*******
**12*******
**18*******
**24*******
30
• Do not connect two or more different cables to
extend the length. This connection may cause fire.
• Each circular terminal must match the size of its
corresponding screw in the terminal block.
• After connecting the cables, make sure that
terminal numbers on the indoor and outdoor units
match.
• Ensure that power and communication cables are
separated, they must not be in the same cable.
Model
**
07
*******
**
09
*******
**
12
*******
**
18
*******
**
24
*******
Power cable
(Outdoor unit)
3G X 2.5 mm²,
H07RN-F
3G X 2.5 mm²,
H07RN-F
Outdoor-to-
indoor power
cable
3G X 1.0 mm²,
H07RN-F
3G X 1.0 mm²,
H07RN-F
Communication
cable
2 X 0.75 mm²,
H05RN-F
2 X 0.75 mm²,
H05RN-F
Type GL 20A 25A
Before
connecting
Correct Upside down Damaged Non-circular
After
connecting
Correct Correct Upside down Non-fitted
(Front view) (Side view)
<Circular terminal>
Fasten the screws for the wire holders.
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Installation
WARNING
• Connect the wires firmly so that wires cannot be
pulled out easily. (If they are loose, it could cause
burn-out of the wires.)
Step 2.4 Optional: Extending the
power cable
1 Prepare the following tools.
Tools Spec Shape
Crimping pliers MH-14
Connection sleeve
(mm)
20xØ7.0
(HxOD)
Insulation tape Width 18
mm
Contraction tube
(mm)
50xØ8.0
(LxOD)
2 As shown in the figure, peel off the shields from the
rubber or wire of the power cable.
• Peel off 20 mm of cable shields from the
preinstalled tube.
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 preinstalled
tube, insert a contraction tube.
Power cable
Pre-installed tube for the power cable
(Unit: mm)
(Unit: mm)
20 20
20
20
60
120
180
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.
Connection sleeve Connection sleeve
Method 1 Method 2
4 Using a compressor, compress the two points and flip
it over and compress another two points in the same
location.
• Thecompressiondimensionshouldbe8.0.
Compression
dimension
• After compressing it, pull both sides of the wire to
make sure it is firmly pressed.
Compress it 4 times.
5 mm
Compress it 4 times.
5 mm
Method 1 Method 2
5 Wrap it with the insulation tape twice or more and
position your contraction tube in the middle of the
insulation tape.
Three or more layers of insulation are required.
Method 1 Method 2
Insulation tape
40 mm 35 mm
Insulation tape
6 Apply heat to the contraction tube to contract it.
Contraction tube
7 After tube contraction work is completed, wrap it with
the insulation tape to finish.
Insulation tape
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Installation
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.
Step 2.5 Installing and connecting
the drain hose
1 Install the drain hose.
Drain hose Assembly pipe Connection hose
Wall
5 cm
less Ditch
Water
Slant downwards Slant upwards Dipped in water
Bent Too small
clearance
Too small
clearance
Indoor unit
Drain hose
2 Pour water into the drain pan. Check whether the
hose is well drained.
CAUTION
• Make sure that the indoor unit is in upright
position when you pour water to check for leakage.
Make sure that the water does not overflow onto
the electrical part.
• If the diameter of the connection hose is smaller
than the product's drain hose, water leakage may
occur.
• Inadequate installation may cause water leakage.
• If the drain hose is routed inside the room,
insulate the hose so that dripping condensation
does not damage the furniture or floors.
• Do not box in or cover the drain hose connection.
Drain hose connection must be easily accessible
and serviceable.
Step 2.6 Optional: Extending the
drain hose
(A) (B)
Drain hose (A) Extension drain hose (B)
Drain hose Extension drain hose
20 mm or more
Foam insulation
Vinyl tape
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Installation
Step 2.7 Optional: Changing the
direction of the drain hose
Pour water in the direction of arrow.
<Front view>
<Side view>
Direction of the drained water
Drain pan outlet
Rubber cap
CAUTION
• Make sure that the indoor unit is in upright
position when you pour water to check for leakage.
Make sure that the water does not overflow onto
the electrical part.
Step 2.8 Installing and connecting
the assembly pipes to the refrigerant
pipes (assembly pipe)
Connect indoor and outdoor units with field-supplied
copper pipes by means of flare connections. Use
insulated seamless refrigeration grade pipe only,
(Cu DHP type according to ISO1337), degreased and
deoxidized, suitable for operating pressures of at
least 4200 kPa and for burst pressure of at least
20700 kPa. Under no circumstances must sanitary
type copper pipe be used.
There are 2 refrigerant pipes of different diameters:
• The smaller one is for the liquid refrigerant
• The larger one is for the gas refrigerant
A short liquid refrigerant pipe and a short gas
refrigerant pipe are already fitted to the air
conditioner. The connection procedure for the
refrigerant pipes varies according to the exit position
of each pipe when facing the wall:
1 <Front view>
3 <Side view>
Left(A)
Underside(C)
Right(B)
Guide right
or left
2 <Assembling the
hanger screw>
Screw
1 Cut out the appropriate knock-out piece (A, B, C)
on the rear of the indoor unit unless you connect
the pipe directly from the rear.
2 Smooth the cut edges.
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Installation
3 Remove the protection caps of the pipes and
connect the assembly pipe to each pipe. Tighten
the nuts first with your hands, and then with a
torque wrench, applying the following torque:
Outer diameter (mm) Torque (N•m) Torque (kgf•cm)
ø 6.35 14 to 18 140 to 180
ø 9.52 34 to 42 350 to 430
ø 12.70 49 to 61 500 to 620
ø 15.88 68 to 82 690 to 830
NOTE
• If you want to shorten or extend the pipes,
see Step 2.9 Shortening or extending the
refrigerant pipes (assembly pipe) on page 14.
4 Cut off the remaining foam insulation.
5 If necessary, bend the pipe to fit along the bottom
of the indoor unit. Then pull it out through the
appropriate hole.
• The pipe should not project from the rear of the
indoor unit.
• The bending radius should be 100 mm or more.
6 Pass the pipe through the hole in the wall.
7 Fix the indoor unit on the wall.Pass the cables,
pipes and hose through the knock-out hole which
would be connected to the outdoor unit .
8 Use 2 screws to fix the indoor unit as shown in the
picture 2.
9 Assemble the Guide into the position of A or B as
shown in the picture 3.
NOTE
• The pipe will be insulated and fixed permanently
into position after finishing the installation and
the gas leak test. For further details. see Step 4.1
Performing the gas leak tests on page 21.
CAUTION
• Tighten the flare nut with a torque wrench
according to specified method. If the flare nut is
over-tightened, the flare may break and cause
refrigerant gas leakage.
• Do not box in or cover the pipe connection.
All refrigerant pipe connection must be easily
accessible and serviceable.
Step 2.9 Shortening or extending the
refrigerant pipes (assembly pipe)
Pipe cutter
Pipe
90° Oblique Rough Burr
R 0.4 to 0.8
90°±2°
45°±2°
L
D
D
A
FlarePipe
Connecting pipe
Flare nut
Indoor outlet pipe
Outer diameter (mm) Torque (N•m) Torque (kgf•cm)
ø 6.35 14 to 18 140 to 180
ø 9.52 34 to 42 350 to 430
ø 12.70 49 to 61 500 to 620
ø 15.88 68 to 82 690 to 830
(Unit: mm)
Outer diameter (D) Depth (A) Flare dimension (L)
ø 6.35 1.3 8.7 to 9.1
ø 9.52 1.8 12.8 to 13.2
ø 12.70 2.0 16.2 to 16.6
ø 15.88 2.2 19.3 to 19.7
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Installation
CAUTION
• If you need a pipe longer than specified in piping
codes and standards, you must add refrigerant to
the pipe. Otherwise, the indoor unit may freeze.
• While removing burrs, put the pipe face down to
make sure that the burrs do not get in to the pipe.
Liquid service port
<High pressure>
Gas service port
<Low pressure>
Correct
<Flare nut>
Inclined Cracked Uneven
thickness
Damaged
surface
NOTE
• Excessive torque may cause gas leakage. When
extending the pipe with welding or brazing,
ensure that nitrogen is used during the welding or
brazing process. The joint must be accessible and
serviceable.
CAUTION
• Tighten the flare nut at the specified torque. If the
flare nut is over-tightened, it may break to cause
leakage of refrigerant gas.
Step 2.10 Fixing the installation plate
You can install the indoor unit on a wall, window
frame, or gypsum board.
WARNING
• Make sure that the wall, window frame, or gypsum
board can withstand the weight of the indoor unit.
If you install the indoor unit in a place where it is
not strong enough to withstand the unit's weight,
the unit could fall and cause injury.
When fixing the indoor unit on a wall
Fix the installation plate to the wall giving attention
to the weight of the indoor unit.
NOTE
• If you mount the plate to a concrete wall using
plastic anchors, make sure that gaps between the
wall and the plate, created by projected anchor, is
less than 20 mm.
When fixing the indoor unit on a window frame
1 Determine the positions of the wooden uprights to
be attached to the window frame.
2 Attach the wooden uprights to the window frame
giving attention to the weight of the indoor unit.
3 Attach the installation plate to the wooden
upright using tapping screws.
(Unit : mm)
Model A B C D
**07*******
**09*******
**12*******
36 120 81 36
**18*******
**24*******
33 110 110 33
Pipe bundle hole: Ø 65 mm
Plastic anchor
20 mm Wall
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Installation
When fixing the indoor unit on a gypsum board
1 Use stud finder to find out locations of the studs.
2 Fix the plate hanger on two studs.
CAUTION
• If you fix the indoor unit on a gypsum board, use
only specified anchor bolts on reference positions.
Otherwise, the gypsum surrounding the joints
may crumble over time and cause the screws
to be loosened and stripped. This may lead to
physical injury or equipment damage.
• Search for other spots if there are less than two
studs, or the distance between the studs are
different from the plate hanger.
• Fix the installation plate without inclining to one
side.
Step 2.11 Fixing the indoor unit to the
installation plate
CAUTION
• Make sure that the pipe bundle does not move
when you install the indoor unit onto the
installation plate.
Step 2.12 Assembling the cover panel
1 Lock the side hooks (D), then centre hooks (B).
Then lock the bottom hooks (C) to engage the
cover panel in place.
2 Fasten the screw (A- ), then assemble the cap
screws (A- ).
B B
CC
A
A
A
B
B
C
C
D
D
1
2
A
2
1
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Installation
If using a multi system, install as described in the
installation manual supplied with the outdoor unit.
Step 3.1 Fixing the outdoor unit in
place
X
Y
Rubber leg
1 Place the outdoor unit as directed on the top of
the unit to let the discharged air out properly.
2 Fix the outdoor unit in level to an appropriate
support using anchor bolts.
NOTE
• Secure the rubber legs to help prevent the
generation of noise and vibration.
• If the outdoor unit is exposed to strong winds,
install shield plates around the outdoor unit so
that the fan can operate correctly.
Optional: Fixing the outdoor unit to a wall with a
rack
Soft rubber designed to cut off vibration from
rack to wall (not supplied with product)
Soft rubber designed to cut off residual vibration from
outdoor unit to rack (not supplied with product)
NOTE
• Make sure that the wall can support the weights
of the rack and the outdoor unit.
• Install the rack close to the column as much as
possible.
Step 3.2 Connecting the power
and communication cables and the
refrigerant pipes
F1 F2
L N
Outdoor-to-indoor power cable
(three wires)
Power cable
(three wires)
Communication cable
(two wires)
CAUTION
• Be sure to fix the power cables and communication
cable with a cable clamp.
Outdoor Unit Installation
(Unit : mm)
Model X Y
**09MSPXB**
**12MSPXB**
**09MSWX***
**12MSWX***
507 292
**09MSPXA**
**12MSPXA**
602 310
**18NS*****
**24NS*****
660 340
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Installation
Control box
Remove the screw for the
control box cover
Remove the gas and liquid
service port caps
For connecting the
refrigerant pipes
Gas service port
<Low pressure>
Liquid service port
<High pressure>
Connect the gas and liquid
refrigerant pipes
Step 3.3 Evacuating the air
The outdoor unit is loaded with sufficient R-410A
refrigerant. Do not vent R-410A into atmosphere: it
is a fluorinated greenhouse gas, covered by Kyoto
Protocol, with a Global Warming Potential (GWP) =
2088. You should evacuate the air in the indoor unit
and in the pipe. If air remains in the refrigerant pipes,
it affects the compressor. It may cause reduction
of cooling capacity and malfunction. Use a vacuum
pump.
CAUTION
• When installing, make sure there is no leakage.
When recovering the refrigerant, ground the
compressor first before removing the connection
pipe. If the refrigerant pipe is not properly
connected and the compressor works with the
stop valve open, the pipe inhales the air and it
makes the pressure inside of the refrigerant cycle
abnormally high. It may cause explosion and
injury.
1 Leave the system in the standby mode.
WARNING
• Do not turn on the system! This is necessary for
better vacuum operation (full OPEN position of
Electronic Expansion Valve).
2 Connect the charging hose of the low pressure
side of manifold gauge to a gas service port as
seen in the picture.
3
4
15 minutes
Vacuum
Pump
(Backward owing prevention)
Liquid service port <Low pressure>
Liquid service port <High pressure>
Valve
5
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Installation
3 Open the valve of the low pressure side of
manifold gauge anticlockwise.
4 Evacuate the air in the connected pipes using the
vacuum pump for about 15 minutes.
• Make sure that pressure gauge shows -0.1 MPa
(-76 cmHg, 5 torr) after about 10 minutes. This
procedure is very important to avoid a gas leak.
• Close the valve of the low pressure side of
manifold gauge clockwise.
• Turn off the vacuum pump.
• Check for 2 minutes if there is any pressure
change.
• Remove the hose of the low pressure side of
manifold gauge.
5 Set a valve cork of liquid and gas service port to
the open position.
Step 3.4 Adding refrigerant
If you use a pipe longer than the length specified in
the piping codes and standards, you must add 15g of
refrigerant R-410A for each extra metre. If you use a
pipe shorter than the length specified in the piping
codes and standards, the evacuating time is normal.
Refer to the Service Manual for further details.
CAUTION
• The remaining air in the Refrigeration cycle, which
contains moisture, may cause malfunction of the
compressor.
• Always contact the service centre or a professional
installation agency for product installation.
R-410A is a mixed type of refrigerant. It is necessary
for recharging under conditions of liquid. When
recharging refrigerant from the refrigerant cylinder
to the equipment, take the following instructions:
Before recharging, check whether the cylinder has
a siphon or not. There are two ways to recharge the
refrigerant:
Siphon
Charge the refrigerant
standing the cylinder upright.
Charge the refrigerant turning
the cylinder upside down.
<Cylinder with siphon> <Cylinder without siphon>
NOTE
• If R-410A refrigerant is charged with gas, the
composition of the charged refrigerant changes
and the characteristics of the equipment vary.
• During the measuring operation of refrigerant
quantity added, use electronic scales. If cylinder
doesn't have siphon, upset it.
Step 3.5 Important information :
regulation regarding the refrigerant
used
This product contains fluorinated greenhouse gases.
Do not vent gases into the atmosphere.
CAUTION
• Inform user if the system contains 5 tCO2e or
more of fluorinated greenhouse gases. In this
case, it must be checked for leakage at least
once every 12 months, according to regulation
No. 517/2014. This activity must be covered
by qualified personnel only. In the case of the
situation above, the installer (or authorized
person with responsibility for final check)
must provide a maintenance book, with all the
information recorded, according to REGULATION
(EU) No. 517/2014 OF THE EUROPEAN
PARLIAMENT AND OF THE COUNCIL of 16 April
2014 on fluorinated greenhouse gases.
1 Please fill in the following with indelible ink on
the refrigerant charge label supplied with this
product and on this manual.
• the factory refrigerant charge of the
product,
• the additional refrigerant amount charged
in the field and
• + the total refrigerant charge. on the
refrigerant charge label supplied with the
product.
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Installation
Refrigerant type GWP value
R-410A 2088
•GWP=GlobalWarmingPotential
•CalculatingtCO
2
e : kg x GWP / 1000
Unit Kg tCO
2
e
①, a
②, b
①+②, c
NOTE
a Factory refrigerant charge of the product: see
unit name plate
b Additional refrigerant amount charged in the
field (Refer to the above information for the
quantity of refrigerant replenishment.)
C Total refrigerant charge
d Refrigerant cylinder and manifold for charging
CAUTION
• The filled-out label must be adhered in the
proximity of the product charging port (e.g. onto
the inside of the stop valve cover).
Indoor unit
Outdoor unit
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Installation
Installation Inspection
Step 4.1 Performing the gas leak tests
1 Before inspecting the leakage, use a torque
wrench to close the cap for the stop valve. (Comply
with a tightening torque for each size of the
diameter, and tighten the cap firmly to prevent
any leakage.)
Tightening torque for body cap
(Refer to the table)
Spindle
Charging core
R-22: Thread of the screw - 7/16-2OUNF
R-410A: Thread of the screw -1/2-2OUNF
Tightening torque for charging port cap (Refer to the table)
2 Insert inert gas into the pipes connected to indoor
and outdoor units.
3 Test leakage on the connection parts of the indoor
and outdoor units with soap lather or liquid.
Test parts for the
indoor unit
Test parts for the
indoor unit
Test parts for the
indoor unit
Test parts for the
indoor unit
Step 4.2 Running the Smart Install
mode
If using a multi system, this function is not
supported.
1 Make sure that the air conditioner is in the standby
status.
2 Hold down the (Power), (Mode) and
(SET/Temperaturetype(℃↔℉))buttonson
the remote control simultaneously for 4 seconds.
3 Wait until Smart Install mode succeeds or fails. It
takes approximately 7 to 13 minutes.
• While Smart Install mode is proceeding:
Type Display LED Display
Indoor
unit
indicator
LED1
LED2
LED3
The progress is
displayed as a
number between
0 and 99 on
the indoor unit
display.
The LEDs on the
indoor unit display
blink in sequence,
then all of them
blink simultaneously.
These operations
repeat.
• When Smart Install mode succeeds: Smart
Install mode ends with ringing sound, and the
air conditioner is in standby status.
• When Smart Install mode fails: An error
message is displayed on the indoor unit display,
and Smart Install mode ends.
NOTE
• Smart Install mode can be operated only with the
supplied remote control.
• During the Smart install mode procedure, remote
control cannot be operated.
Outer diameter
(mm)
Tightening torque
Bodycap(N•m) Chargingportcap(N•m)
ø 6.35 20 to 25
10 to 12
ø 9.52 20 to 25
ø 12.70 25 to 30
ø 15.88 30 to 35
Over ø 19.05 35 to 40
(1N•m=10kgf•cm)
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Installation
When error occurs, take necessary measures by referring to the following table. For more information on
necessary measures for errors, refer to the service manual.
Error indicator
Error Measures for the installer to take
Display
LED Display
LED 1 LED 2 LED 3
/ /
Communication
error between
indoor and outdoor
units
• Check the connection wire between
the indoor and outdoor units (whether
the power cable or communication
cable is crossed or not).
Error on indoor
temperature
sensor
• Check the connection of the
connector.
, Error on indoor
heat exchanger
• Check the connection of the
connector.
Error on indoor fan
motor
• Check the connection of the
connector.
• Remove foreign substance. (Check
for the cause that restrains motor.)
display
and all LEDs
blink.
EEPROM/Option
error
• Re-set options.
,
Refrigerant flow
blocking error
• Check if the stop valve is completely
open.
• Check if there is any blockage in the
refrigerant pipe which connects the
indoor and outdoor units.
• Check for refrigerant leak.
Lack of refrigerant
(for inverter
models only)
• Check if a sufficient amount of
refrigerant is additionally charged
for the pipe longer than specified in
piping codes and standards.
• Check for refrigerant leak between
valve and pipe connection.
❈ This LED pattern
appears when an
error occurs on the
outdoor unit.
❈ : Off, : Blinking, : On
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Installation
Step 4.3 Performing final check and trial
operation
1 Check the following:
• Strength of the installation site
• Tightness of pipe connection to detect gas leak
• Electric wiring connection
• Heat-resistant insulation of the pipe
• Drainage
• Grounding conductor connection
• Correct operation (Take the following steps.)
2 Press the (Power) button on the remote control to
check the following:
• The indicator on the indoor unit lights up.
• The airflow blade opens and the fan gears up for
operation.
3 Press the (Mode) button to select Cool or Heat mode.
Then take the following sub-steps:
• In Cool mode, use the Temperature button to set the
set temperature to 16 °C.
• In Heat mode, use the Temperature button to set the
set temperature to 30 °C.
• Check whether, approximately 3 to 5 minutes later,
the outdoor unit starts, and a cool air blows out.
• After 12 minutes of stationary condition, check the
indoor unit air treatment.
4 Press the (Air swing) button to check whether the
airflow blades work properly.
5 Press the (Power) button to stop the trial operation.
Pumping down for removing the product
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 tubing
in order to avoid refrigerant loss to the atmosphere.
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.
1 Hold down the (Power) button on the indoor unit for
5 seconds. Beep sounds immediately to indicate that the
product is ready for pump down procedure.
2 Let the compressor run for more than 5 minutes.
3 Release the valve caps on High and Low pressure side.
4 Use L-wrench to close the valve on the high pressure
side.
5 After approximately 1 minute, close the valve on the low
pressure side.
6 Stop operation of the air conditioner by pressing the
(Power) button on the indoor unit or remote control.
7 Disconnect the pipes.
CAUTION
• Compressor damage may occur if the compressor is run
at a negative suction pressure.
1
2
Gas service port
<Low pressure>
Liquid service port
<High pressure>
1 minute
Off
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Installation
Only for multi system
(Wried remote controller, central remote controller
etc.)
1 Turn the power off and take off the cover panel of
the indoor unit.
12
2 Attach the Sub PCB to the Case Sub PCB.
3 Assemble the Case Sub PCB to the indoor unit.
Sub PCB
Case Sub PCB
4 Find the PCB wire, and connect the wire to the
Sub PCB as seen in the picture.
5 Connect the wire(remote controller, central
remote controller etc) to the Sub PCB.
6 Assemble the Cover PCB and the front panel.
❈
If the Sub PCB is not installed, arrange
the wire for multi system (connection) as
shown in the illustration.
Wire for multi
system connection
NOTE
• The Sub PCB is attached to be controlled by the
wired remote controller and central controller.
Sub PCB installation(optional)
DB68-06732A-03