Samsung AC TNMPEH Series User manual

Air conditioner
Installation manual
ACTNMPEH
• Thank you for purchasing this Samsung air conditioner.
• Before operating this unit, please read this manual carefully and retain it for future
reference.
DB68-09549A-00

2English
Contents
Safety Information 3
Installation Procedure 5
Step 1 Checking and preparing accessories
Step 2 Choosing the installation location
Step 3 Optional: Insulating the body of the indoor unit
Step 4 Installing the indoor unit
Step 5 Purging inert gas from the indoor unit
Step 6 Cutting and flaring the pipes
Step 7 Connecting the assembly pipes to the refrigerant pipes
Step 8 Performing the gas leak test
Step 9 Insulating the refrigerant pipes
Step 10 Installing the drain hose and drain pipe
Step 11 Performing the drainage test
Step 12 Optional: Installing external controller&Ionizer
Step 13 Connecting the power and communication cables
Step 14 Optional: Extending the power cable
Step 15 Setting additional functions of wired remote control
Step 16 Setting the indoor unit option code
Step 17 Setting indoor unit addresses and installation options
Appendix 31
Troubleshooting

3English
Safety Information
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.
• Carefully follow the precautions listed below because
they are essential to guarantee the safety of the
equipment.
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
WARNING
• 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.
• The manufacturer shall not be responsible for damage
originating from unauthorized 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 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
authorised centres or returned to the retailer so that
it can be disposed of correctly and safely.
• Wear protective equipment (such as safety gloves,
goggles, and headgear) during installation and
maintenance works. Installation/repair technicians
may be injured if protective equipment is not
properly equipped.
• Do not use means to accelerate the defrost operation
or to clean, other than those recommended by
Samsung.
• Do not pierce or burn.
• Be aware that refrigerants may not contain an odour.
Safety Information
Safety Information

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Safety Information
Safety Information
Installing the unit
WARNING
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.
• Do not install the product in a place where
thermohygrostat 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 ship or a vehicle
(such as a campervan). Salt, vibration or other
environmental factor may cause the product
malfunction, electric shock or fire.
• Our units should be installed in compliance with the
spaces shown in the installation manual, to ensure
accessibility from both sides and allow repairs
or maintenance operations to be carried out. The
unit’s components should be accessible and easy to
disassemble without endangering people and objects.
For this reason, when provisions of the installation
manual are not complied with, the cost required to
access and repair the units (in SAFETY CONDITIONS,
as set out in prevailing regulations) with harnesses,
ladders, scaffolding or any other elevation system
will NOT be considered part of the warranty and will
be charged to the end customer.
• Auxillary devices which may be a protential ignition
source shall not be installed in the duct work.
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 sulphuric 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 fibre or flammable dust.
• The place where thinner or gasoline is handled. Gas
may leak and it may cause fire.
• The place where is close to heat sources.
• Do not use the indoor unit for preservation of food
items, plants, equipment, and art works. This may
cause deterioration of their quality.
• Do not install the indoor unit if it has any drainage
problem.
Power supply line, fuse or circuit
breaker
WARNING
• 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,

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Installation Procedure
English
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.
• Devices disconnected from the power supply should
be completely disconnected in the condition of
overvoltage category.
• 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 15 Optional: Extending the
power cable" in the installation manual.
CAUTION
Make sure that you earth the cables.
• Do not connect the earth wire to the gas pipe, water
pipe, lighting rod or telephone wire. If earthing is not
complete, electric shock or fire may occur.
Install the circuit breaker.
• If the circuit breaker is not installed, electric shock or
fire may occur.
Make sure that the condensed water dripping from the
drain hose runs out properly and safely.
Install the power cable and communication cable of
the indoor and outdoor unit at least 1m away from the
electric appliance.
Install the indoor unit away from lighting apparatus
using the ballast.
• If you use the wireless remote control, reception error
may occur due to the ballast of the lighting apparatus.
Installation Procedure
Installation Procedure
Step 1 Checking and preparing
accessories
The following accessories are supplied with the indoor
unit. The type and quantity may differ, depending on the
specifications.
User manual (1) Installation manual (1)
Clamp hose (1) Flexible hose (1)
Insulation drain (1) Thermal insulation
sponge A (1)
Cable-tie (8)
Thermal insulation
sponge B (1)
Rubber (8) Thermal insulation
sponge C (1)

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Installation Procedure
Installation Procedure
English
Step 2 Choosing the installation
location
General requirements for installation location
• There must be no obstacles near the air inlet and
outlet.
• Install the indoor unit on a ceiling that can support its
weight.
• Maintain sufficient clearance around the indoor unit.
• Before installing the indoor unit, be sure to check
whether the chosen location is well-drained.
• The indoor unit must be installed such that it is
beyond public access and is not touchable by users.
• Rigid wall without vibration.
Space requirements for installation
Construction Standard for Inspection Hole
1 In case, the ceiling is tex tile, Inspection hole dose not
need.
2 In case, the ceiling is plaster board, Inspection hole
depends on Inside height of the ceiing.
a Height is more than 0.5m : Only "B" [Inspection
for PBA] is applied.
b Height is less than 0.5m : Both "A"&"B" are
applied.
c "A"&"B" are inspection holes .
Unit Depth(D)
"A"=W+100mm "B"=500mm
Unit Width(W)
20mm or more
20mm or more
• You must have 20 mm or more space between the
ceiling and the bottom of indoor unit. Otherwise, the
noise from the vibration of indoor unit may bother
the user. When the ceiling is under construction, the
hole for check-up must be made to take service, clean
and repair the unit.
• It is possible to install the unit at an height of
between 2.2~2.5 m from the ground, if the unit has a
duct with a well defined lenght (300 mm or more), to
avoid fan motor blower contact.
• If you install the cassette or duct type indoor unit on
the ceiling with humidity over 80%, you must apply
extra 10 mm of polyethylene foam or other insulation
with similar material on the body of the indoor unit.

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Installation Procedure
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Indoor unit dimensions
AC018TNMPEH / AC024TNMPEH (Unit: mm)
700
700(7x100)
817 (Air outlet duct ange)
850
22-ø3.2 hole
(Air around)
Inspection hole
Suction sideDischarge side
900 (Suspension position)
604 (Suspension position)
700
500850
950
185 158
28
220
180(2x90)
250
213
125
323
06
07
05
01
02
04
03
No. Name Description
AC018TNMPEH AC024TNMPEH
01
Liquid pipe connection ø6.35(1/4")
02
Gas pipe connection ø12.70(1/2") ø15.88(5/8")
03
Drain pipe connection VP25 (OD32)(without drain pump)
04
Power supply connection
05
Air discharge flange
06
Air filter
07
Hook M8~M10

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Installation Procedure
Installation Procedure
English
AC036TNMPEH,AC048TNMPEH (Unit: mm)
Suction side
Discharge side
Inspection hole
1100(11x100)
1268 (Air outlet duct ange)
1300
1350 (Suspension position)
30-ø3.2 hole
(Air around)
5001300
1400
700
185
160
28
700
604 (Suspension position)
270
230(2x115)
300
213
125
324
1
2
3
5
06
05
02 01
1
03 04
07
No. Name Description
01
Liquid pipe connection ø9.52(3/8")
02
Gas pipe connection ø15.88(5/8")
03
Drain pipe connection VP25 (OD32)(without drain pump)
04
Power supply connection
05
Air discharge flange
06
Air filter
07
Hook M8~M10

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Installation Procedure
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AC060TNMPEH (Unit: mm)
900(6x150)
1000 (Air outlet duct ange)
1200
1236 (Suspension position)
1200
1300
500
18-ø3.2 hole
(Air around)
650
170
244
299
650
534(Suspension position)
121
137
28
360
253
200(2x100)
80
92
Inspection hole
Suction sideDischarge side
05 01 02 03 04 07
06
08
No. Name Description
01
Liquid pipe connection ø9.52(3/8")
02
Gas pipe connection ø19.05(3/4")
03
Drain pipe connection VP25 (OD32)(without drain pump)
04
Drain pipe connection Using drain pump (Optional)
05
Power supply connection
06
Air discharge flange
07
Air filter
08
Hook M8~M10

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Installation Procedure
Installation Procedure
English
Step 3 Optional: Insulating the body
of the indoor unit
A
D
B
C
Thickness: more than 10mm
Indoor
Unit
AC018TNMPEH
AC024TNMPEH
AC036TNMPEH
AC048TNMPEH
850 x 700 x 250 1300 x 700 x 300
A850 x 250 1300 x 300
B850 x 250 1300 x 300
C700 x 250 700 x 300
D700 x 250 700 x 300
Front/
Back
Insulate the front and back side in proper size at
the same time when insulating the suction duct
and discharge duct.
(Unit: mm)
Indoor
Unit
AC060TNMPEH
1200 x 650 x 360
A1200 x 360
B1200 x 360
C650 x 360
D650 x 360
Front/
Back
Insulate the front and back side in proper size at
the same time when insulating the suction duct and
discharge duct.
(Unit: mm)
NOTE
• Insulate the end of the pipe and some curved area by
using separate insulator.
• Insulate the discharge and suction part at the same
time when you insulate connection duct.
Step 4 Installing the indoor unit
When deciding on the location of the air conditioner
with the owner, the following restrictions must be taken
into account
1 Place the pattern sheet on the ceiling at the spot where
you want to install the indoor unit.
NOTE
• Since the diagram is made of paper, it may shrink or
stretch slightly due to temperature or humidity. For
this reason, before drilling the holes maintain the
correct dimensions between the markings.
2 Insert bolt anchors. Use existing ceiling supports or
construct a suitable support as shown in figure.
Concrete
Hole in anchor
Hole in plug
Suspension bolt (M8) - eld supply
Insert
3 Install the suspension bolts depending on the ceiling type.
Ceiling support
CAUTION
• Ensure that the ceiling is strong enough to support the

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Installation Procedure
English
weight of the indoor unit. Before hanging the unit, test
the strength of each attached suspension bolt.
• If the length of suspension bolt is more than 1.5m,
it is required to prevent vibration.
• If this is not possible, create an opening on the false
ceiling in order to be able to use it to perform the
required operations on the indoor unit.
4 Screw eight nuts to the suspension bolts making space
for hanging the indoor unit.
NOTE
• You must install all the suspension rods.
5 Hang the indoor unit to the suspension bolts between
two nuts.
1
2
2
CAUTION
• Piping must be laid and connected inside the
ceiling when suspending the unit. If the ceiling is
already constructed, lay the piping into position for
connection to the unit before placing the unit inside
the ceiling.
6 Screw the nuts to suspend the unit.
7 Adjust level of the unit by using measurement plate for
all 4 sides.
CAUTION
• For proper drainage of condensate, give a 3mm slant
to the left or right side of the unit which will be
connected with the drain hose, as shown in the figure.
Make a tilt when you wish to install the drain pump,
too.
When the drain hose is installed to the right.
Drain hose port
3mm
• When installing the indoor unit, make sure it is not
tilted toward front or b
ack side.
Step 5 Purging inert gas from the
indoor unit
From factory the unit is supplied and set with a pre-
charge of nitrogen gas. (inert gas) Therefore, all inert gas
must be purged before connecting the assembly piping.
Unscrew the pinch pipe at the end of each refrigerant pipe.
Result : All inert gas escapes from the indoor unit.
AC018/024/036/048TNMPEH
Gas
refrigerant port
Liquid
refrigerant port

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Installation Procedure
Installation Procedure
English
AC060TNMPEH
Gas
refrigerant port
Liquid
refrigerant port
NOTE
• The designs and shape are subject to change
according to the model.
• To prevent dirt or foreign objects from getting into
the pipes during installation, do NOT remove the
pinch pipe completely until you are ready to connect
the piping.
CAUTION
• Connect the indoor and outdoor units using pipes with
flared connections(not supplied). For the lines, use
insulated, unwelded, degreased and deoxidized copper
pipe (Cu DHP type to ISO 1337 or UNI EN 12735-1),
suitable for operating pressures of at least 4200kPa and
for a burst pressure of at least 20700kPa. Copper pipe
for hydro-sanitary applications is completely unsuitable.
• For sizing and limits (height difference, line length,
max. bends, refrigerant charge, etc.) see the outdoor
unit installation manual.
• All refrigerant connection must be accessible, in order to
permit either unit maintenance or removing it completely.
Step 6 Cutting and flaring the pipes
1 Make sure that you have the required tools available.
(pipe cutter, reamer, flaring tool and pipe holder)
2 If you wish to shorten the pipes, cut it with a pipe
cutter, taking care to ensure that the cut edge remains
at a 90° angle with the side of the pipe. Refer to the
illustrations below for examples of edges cut correctly
and incorrectly.
Pipe cutter
Pipe
90°
Oblique Rough Burr
90°
3 To prevent any gas from leaking out, remove all burrs at
the cut edge of the pipe, using a reamer.
4 Slide a flare nut on to the pipe and modify the flare.
Pipe Flare
D
A
Flare
90° ±2°
R 0.4 to 0.8 mm
D
L
45° ±2°
Outer Diameter (D) Depth (A) Flare dimension (L)
Ø6.35 mm 1.3 mm
8.7~9.1 mm
Ø9.52 mm 1.8 mm
12.8~13.2 mm
Ø12.70 mm 2.0 mm
16.2~16.6 mm
Ø15.88 mm 2.2 mm
19.3~19.7 mm
Ø19.05 mm 2.2 mm
23.6~24.0 mm
5 Check that the flaring is correct, referring to the
illustrations below for examples of incorrect flaring.
Correct Inclined Damaged
Surface
Cracked Uneven
Thickness

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Installation Procedure
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CAUTION
• If the pipes require brazing ensure that OFN (Oxygen
Free Nitrogen) is flowing through the system.
• Nitrogen blowing pressure range is 0.02 ~ 0.05MPa.
Step 7 Connecting the assembly
pipes to the refrigerant pipes
There are two refrigerant pipes of different diameters :
• A smaller one for the liquid refrigerant
• A larger one for the gas refrigerant
• The inside of copper pipe must be clean & has no dust
1 Remove the pinch pipe on the pipes and connect the
assembly pipes to each pipe, tightening the nuts, first
manually and then with a torque wrench, a spanner
applying the following torque.
Torque wrench
Flare nut Union
Spanner
Refrigerant oil
Outer diameter (D) Torque (N•m)
Ø6.35 mm 14 ~ 18
Ø9.52 mm 34 ~ 42
Ø12.70 mm 49 ~ 61
Ø15.88 mm 68 ~ 82
Ø19.05 mm 100 ~ 120
NOTE
• If the pipes must be shortened refer to page 12,
Step 6 Cutting and flaring the pipes
• Tighten the nuts to the specified torques. If
overtightened, the nuts could be broken so
refrigerant may leak.
2 Be sure to use insulator which is thick enough to cover
the refrigerant tube to protect the condensate water
on the outside of pipe falling onto the floor and the
efficiency of the unit will be better.
3 Cut off any excess foam insulation.
4 Be sure that there must be no crack or wave on the
bended area.
5 It would be necessary to double the insulation
thickness(10mm or more) to prevent condensation even
on the insulator when if the installed area is warm and
humid.
6 Do not use joints or extensions for the pipes that
connect the indoor and outdoor unit. The only permitted
connections are those for which the units are designed.
AC018/024/036/048TNMPEH
Gas
refrigerant port
Drain hose
connection port
Liquid
refrigerant port

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Installation Procedure
Installation Procedure
English
AC060TNMPEH
Gas
refrigerant port
Drain hose
connection port
Liquid
refrigerant port
NOTE
• The designs and shape are subject to change
according to the model.
Step 8 Performing the gas leak test
To identify potential gas leaks on the indoor unit, inspect
the connection area of each refrigerant pipe using a leak
detector for R-410A.
Before recreating the vacuum and recirculating the
refrigerant gas, pressurize the whole system with
nitrogen (using a cylinder with a pressure reducer) at a
pressure above 4 MPa in order to immediately detect
leaks on the refrigerant fittings.
Made vacuum for 15 minutes and pressurizing system
with nitrogen.
AC018/024/036/048TNMPEH
Insulator
Liquid side
Gas side
AC060TNMPEH
Insulator
Liquid side
Gas side

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Installation Procedure
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Step 9 Insulating the refrigerant pipes
Once you have checked that there are no leaks in the
system, you can insulate the piping and hose.
1 To avoid condensation problems, place Acrylonitrile
Butadien Rubber separately around each refrigerant pipe.
No gap
NBR
NOTE
• Always make the seam of pipes face upwards.
2 Wind insulating tape around the pipes and drain hose
avoiding compressing the insulation too much.
Indoor unit
Insulation cover pipe
Insulation pipe
Be sure to overlap the insulation.
CAUTION
• Be sure to wrap insulation tightly without any gaps.
3 Finish wrapping insulating tape around the rest of the
pipes leading to the outdoor unit.
4 The pipes and electrical cables connecting the indoor
unit with the outdoor unit must be fixed to the wall with
suitable ducts.
CAUTION
• Make sure that all refrigerant connection must be
accessible for easy maintenance and detachment.
• Install the insulation not to get wider 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.
• Install the refrigerant pipe respecting that the
insulation does not get thinner on the bent part or
hanger of pipe.
• Add the additional insulation if the insulation plate
gets thinner.
a x 3
Hanger
Additional insulation
aRefrigerant pipe
insulation
5 Select the insulation of the refrigerant pipe.
• Insulate the gas side and liquid side pipe, noting the
insulation thickness that must differ according to the
pipe size.
• Standard: Less than an indoor temperature of 30°C,
with humidity at 85%. If installing in a high humidity
environment, use one grade thicker insulator by
referring to the table below. If installing in an
unfavourable environment, use thicker one.
• The heat-resistance temperature of the insulator must
be more than 120°C.

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Installation Procedure
Installation Procedure
English
Pipe Pipe size
Insulation type
(heating/cooling)
Remarks
Standard
(Less than
30°C, 85%)
High humidity
(Over 30°C,
85%)
EPDM, NBR
Liquid
pipe
Ø6.35 to
Ø9.52 9t 9t
The internal
temperature
is higher than
120°C.
Ø12.7 to
Ø19.05 13t 13t
Gas
pipe
Ø6.35 13t 19t
Ø9.52
19t 25t
Ø12.70
Ø15.88
Ø19.05
• When installing insulation in the places and
conditions below, use the same insulation that is used
for high humidity conditions.
<Geological condition>
High humidity locations such as shorelines, hot springs,
lake or riversides, and ridges (when part of the building is
covered by earth and sand)
<Operation purpose condition>
Restaurant ceiling, sauna, swimming pool etc.
<Building construction condition>
Ceilings frequently exposed to moisture and cooling are
not covered. For example, pipes installed at a corridor of a
dormitory and studio or near an exit that opens and closes
frequently.
Places (where the pipes are installed) that are highly humid
due to a lack of ventilation.
Step 10 Installing the drain hose and
drain pipe
1 Push the supplied drain hose as far as possible over the
drain socket.
2 Tighten the metal clamp as shown in the picture.
3 Wrap the supplied large sealing pad over the metal
clamp and drain hose to insulate and fix it with clamps.
4 Insulate the complete drain piping inside the building
(field supply).
If the drain hose cannot be sufficiently set on a slope, fit
the hose with drain raising piping (field supply).
5 Push the drain hose up to insulation when connecting
the drain hose to drain socket.
Metal clamp Drain socket
Drain hose
Be sure to bond the drain
hose and the main pipe.
Drain pipe
Large seailng pad
Drain hose
PVC Tube Joint
+ VP25 (OD: 32 mm)
Drain pipe
Without the drain pump
1 Install horizontal drainpipe with a slope of 1/100 or
more and fix it by hanger space of 1.0~1.5m.
2 Install U-trap at the end of the drainpipe to prevent a
nasty smell to reach the indoor unit.
3 Do not install the drainpipe to upward position. It may
cause water flow back to the unit.

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Installation Procedure
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1~1.5m
Horizontal drainpipe
more than 1/100 slope
Ceiling
Hanger
Flexible hose
With the drain pump
1 The drain pipe should be installed within 300mm to
550mm from the flexible hose and then lift down 20mm
or more.
2 Install horizontal drainpipe with a slope of 1/100 or
more and fix it by hanger space of 1.0~1.5m.
3 Install the air vent in the horizontal drainpipe to prevent
water flow back to the indoor unit.
NOTE
• You may not need to install it if there were proper
slope in the horizontal drainpipe.
4 The flexible hose should not be installed upward
position, it may cause water flow back to the indoor unit.
1~1.5m
20mm
or more
200mm
or more
Hanger
Within
300~550mm
Air vent
300mm or less
Flexible hose Horizontal drainpipe
more than 1/100 slope
Ceiling
Step 11 Performing the drainage test
Prepare a little water about 2 liter.
1 Pour water into the base pan in the indoor unit as shown
in figure.
2 Confirm that the water flows out through the drain hose.
AC018/024/036/048TNMPEH
AC060TNMPEH
Step 12 Optional: Installing external
controller&Ionizer
Accessories (External controller : MIM-B14)
External Controller PCB Case
Haness Wire Haness Wire
Screw

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Installation Procedure
Installation Procedure
English
1 Fix the case at with bolts on the side of the control box
in the indoor unit.(See the picture).
2 Attach the external controller PCB to the case in the
control box of the indoor unit.
3 Connect the harness wires.
Accessories (Ionizer module : MSD-EAN1,
Ionizer module can't be used at AC060TNMPEH
model)
Refer to the Ionizer module(MSD-EAN1) installation
manual for the more information.
Step 13 Connecting the power and
communication cables
CAUTION
• Always remember to connect the refrigerant pipes
before performing the electric connections. When
disconnecting the system, always disconnect the electric
cables before disconnecting the refrigerant pipes.
CAUTION
• Always remember to connect the air conditioner to the
grounding system before performing the electric connections.
Use a crimp ring terminal at the end of each wire.
The indoor unit is powered through the outdoor unit
by means of a H05 RN-F or H07 RN-F connection cable
(or a more power model), with insulation in synthetic
rubber and a jacket in polychloroprene (neoprene),
in accordance with the requirements specified in the
standard EN 60335-2-40.
1 Remove the screw on the electrical component box and
remove the cover plate.
2 Route the connection cord through the side of the indoor
unit and connect the cable to the terminals refer to the
figure below.
3 Route the other end of the cable to the outdoor unit
through the ceiling & the hole on the wall.
4 Reassemble the electrical component box cover, carefully
tightening the screw.
1 phase (AC018/024TNMPEH)
1(L)2(N) L N F1 F2
Cable
tie
Main power
cable
Cable clamp
Cable clamp
Indoor power cable Communication
cable
Outdoor Unit
LNF1 F2
Indoor Unit

19
Installation Procedure
English
1 phase (AC036/048TNMPEH)
Cable clamp
LNF1 F2
Indoor Unit
Indoor power cable Main power cable Communication
cable
Cable tie
1(L) 2(N) L N
F1 F2
Outdoor Unit
3 phase (AC060TNMPEH)
1(L) 2(N) L1(R) L2(S) L3(T) N
F1 F2
Indoor power cable Main power cable Communication
cable
Cable tie
Outdoor Unit
Indoor Unit
Cable clamp
1(L) 2(N) 1 2
V1 V2 F3 F4F2F1
Indoor power supply
Power supply Max/Min(V) Indoor power cable
1ø,220 to 240 V,50 Hz
±10% 1.5 mm², 3 wires
Communication cable
0.75 mm², 2 wires
11 13 7.5 9.0
18
13.8
AC power: M4 screw Communication: M3.5 screw
Tightening torque (kgf • cm)
M3.5 8.0 to 12.0
M4 12.0 to 18.0
• 1 N·m = 10 kgf·cm
• Power supply cords of parts of appliances for
outdoor use shall not be lighter than polychloroprene
sheathed flexible cord.
– Code designation
∙[1-phase] IEC: 60245 IEC 57 / CENELEC: H05RN-F
grade or more
∙[3-phase] IEC: 60245 IEC 66 / CENELEC: H07RN-F
grade or more
• Since it has the external power supply, refer to the
outdoor unit installation manual for MAIN POWER.
CAUTION
• When installing the indoor unit in a computer
room or a server room, use the double shielded
communication cable (tape aluminum / polyester
braid + copper) of FROHH2R type.

20
Installation Procedure
Installation Procedure
English
Step 14 Optional: Extending the
power cable
1 Prepare a crimping tool and 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 the wire shields of the tube.
CAUTION
• For information about the power cable specifications for
indoor and outdoor units, refer to the installation manual.
• After peeling off the tube wire, you must insert a
contraction tube.
• 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.
Power cable(Unit: mm)
20 20 20
60
120
180
202020
60
120
180
Pre-installed
tube for the
power cable
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
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.
5 mm 5 mm
Method 1 Method 2
Compress it 4 times.Compress it 4 times.
5 Wrap it with the insulation tape twice or more and
position your contraction tube in the middle of the
insulation tape.
A total of three or more layers of insulation is required.
Method 1 Method 2
35 mm40 mm
Insulation tapeInsulation tape
6 Apply heat to the contraction tube to contract it.
Contraction tube Contraction tube
Method 1 Method 2
7 After tube contraction work is completed, wrap it with
the insulation tape to finish.