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Installation of Hanger, Wall Penetration and Installation of Protection Pipe

1

CAUTION

!

The draining of the water container inside the indoor unit can be done from the left.
Therefore the hanger must be fixed horizontally or slightly tilted towards the side of
drain hose. Otherwise, condensed water may overflow the water container.

Direct Mounting On The Wall

Please use hidden beams in the wall to hold the hanger.

Wall Penetration and Installation of Protection Pipe

Drill a ø 65mm hole on
wall which is slightly tilted
towards the outdoor side.
Drill the wall at a small
angle.

Cut the protection pipe
according to the wall
thickness.

Empty gap in the sleeve
of protection pipe should
be completely sealed
with putty to avoid
dripping of rain water into
the room.

Procedures of Installation and Precautions

Procedures to fix the hanger.

1. Drill holes on wall.

2. Push plug into the holes.

3. Fix the hanger on wall

(As shown below)

(As shown below)

with 4.1 x 32 screw
(As shown in figure below)

Procedures to fix the holder of remote control.

1. Drill holes on wall.

2. Push plug into the holes.

(As shown below)

(As shown below)

   Installation of the Indoor Unit

2

VERTICALLY DOWNWARD PIPING

  Preparation

Connect connecting cord.

Pull out the pipe, connecting cord and drain hose.

  Installation

The upper part of the Indoor unit is hanged on the hanger.

The projection at the lower part of the Indoor unit is hooked onto the hanger.

Please pull the lower part of
the Indoor unit outwards to
check if the unit is hooked
onto the hanger. Improper
installation may cause
vibration and noise.

!

CAUTION

HORIZONTAL PIPING

  Preparation

Change of Drain Hose and Installation Procedures.

Exchange the location of drain hose and drain cap during horizontal piping as shown in
figure below. Be sure to plug in the drain hose until the insulating material folds upon itself.

Please use pliers to pull out the drain cap.
(This is an easier way to remove the drain cap).

INSTALLATION OF REFRIGERATING PIPES AFTER CONNECTION

The refrigerating pipes should be adjusted to fit into
the hole on the wall and then ready for further
connection.

The terminals of 2 connected pipes must be covered
with insulator used for terminal connection. Then the
pipes are wrapped with insulation pipe.

Connect the connecting cord after removing electrical
cover. (Refer to “CONNECTION OF POWER CORD”)

After adjustment, fit the connecting cord and pipes
into the space available under the indoor unit. Use
holder to hold them tight.

!

CAUTION

The rubber strap used for
fixing the insulator should
not be tied with great force.
Otherwise, this will damage
heat insulation and causes
water condensation.

Holder can be attached at the either of 2 places.
Please select the easier position.

THE CONNECTION OF REFRIGERATING PIPE DURING THE
INSTALLATION OF INDOOR UNIT

Preparation To Install Refrigerating Pipes

!

CAUTION

Please fix in the plastic core
after flaring to avoid plastic
chips entering the pipes.

CAUTION

!

You are free to choose the side (left or right) for the installation of drain
hose. Please ensure the smooth flow of condensed water of the Indoor
unit during installation. (Carelessness may result in water leakage.)

!

CAUTION

Be sure that the
drain hose is not
loosely connected
or bend.

Be sure that the wire is not
in contact with any metal
in the wall. Please use the
protection pipe as wire
passing through the hollow
part of the wall so as to
prevent the possibility of
damaged by mouse.
Unless it seals completely,
any air with high humidity
flows from outdoor and
any dew may drop.

!

WARNING

The refrigerating pipes and connecting cord
transform and are attached.

The end of the refrigerating pipes are at locations
marked with “ 

 ” symbol.

   Installation of Drain Hose

3

  Installation

Hang the Indoor unit onto the hanger. Use the temporary stand
at the back of the Indoor unit to push its lower part 15cm
forwards.

Place the drain hose through the hole on the wall.

Wrap the refrigerating pipes with insulation pipe after
connecting refrigerating pipe.

Connect the connecting cord after removing electrical cover.
(Refer to “Connection of Power Cord”)

After adjustment, the connecting cord and refrigerating pipes
are placed into the space available under the Indoor unit.

The projection of Indoor unit must hook to the hanger.

INDOOR UNIT

<

IA364: B 

>

External dimension of

indoor unit

180mm

180mm

80mm

1030mm

ø 65mm

200mm

45mm

30mm

Drain Hose

45mm

298mm

Level

Line

Hole for
pipe

Mark

Weight

Screw for Hanger

Please use more
than 4 screws.

Hanger

32mm

20mm

ø

4.8mm

ø

4.4mm

Wall

1   Hanger

2   Screw

Plug

Wall

above 50mm

Ceiling

4.1 x 32 Screw

Wall

Remote

Control

Holder

5   Screw

Plug

3

HOW TO REMOVE INDOOR UNIT FROM HANGER

Pull down PULL section on the bottom of indoor
unit and pull it towards you, then claws are
released from hanger. (Indicated by 2 arrows in
the drawing on the right.)

When bottom face of indoor unit cannot be
pulled due to obstacles, etc. Remove front cover,
insert screw driver into circle hole, pull claws
down and pull indoor unit towards you.

Please check how to remove and attach front
cover in this instruction manual.

Sleeve of
protection
pipe

WALL

Protection
pipe

Seal with
putty

Seal with
putty

2 ~ 5mm

Outdoor

Indoor

Connecting cords,
pipe and drain hose
must be tied together
with Vinyl tape.

Hanger

Hook

Refrigerating
Pipe

Connecting
Cord

Drain Hose

Protection
Pipe

Lift the body
of the unit
upwards and
then force
it downwards.

Hanger

Projection

Screw driver

Claw of indoor unit

Circle hole

2

1

!

CAUTION

Condensed water may leak out if not inserted properly.

HORIZONTAL & DOWNWARD PIPING – MAKING OPENINGS

During horizontal or downward piping, use a knife to cut
openings as shown in figure. Then smoothen the edges of
openings with a file.

Turn the piping while holding down the lower
portion of pipe-support by hand.

Drain hose

Drain cap

Drain cap

Please insert
until here

Drain hose

Please insert
until here

Pipe 
support

Pull up the pipe after
bending downward

Openings

Pipe

Connecting cord

Drain hose

Insulation pipe (must be wrapped with
vinyl tape at every 120mm).

Holder

Pipe

Rubber strap tied with great force

below
5mm

Please bend at a small
radius to form an arc

0.65m

about 15cm

Projection

Temporary stand

Connected
section

Holder

Connecting cord

Drain hose

Protection

pipe

Heat insulation pipe

Connecting
cord

Refrigerating pipe

Pull this to the front
during the connection
of refrigerating pipes
to ease task.

Bending
upwards

Condensed
water pond

Ditch

Condensed
water pond

above 50mm

above 100mm

above 

0.45m

above 300mm

must not bend

above 100mm

2,300mm or more

1

2

Maximum pipe length 20m

Minimum pipe length 5m

above 200mm

above 700mm

above 200mm

above 50mm when
installed on the
ceiling of balcony

(

)

above 100mm

above 100mm

give clearance as
wide as possible

7

4

3

Plug

5

THE CHOICE OF MOUNTING SITE 

 (Please note the following matters and obtain permission from customer before installation).

WARNING

!

The unit should be mounted at stable, non-vibratory location which
can provide full support to the unit.

   WARNING

!

The Outdoor unit must be mounted at a location which can sup-
port heavy weight. Otherwise, noise and vibration will increase.

CAUTION

!

No nearby heat source and no obstruction near the air outlet is
allowed.

The clearance distances from top, right and left are specified in
figure below.

The location must be convenient for water drainage and pipe
connection with the Outdoor unit.

To avoid interference from noise please place the unit and its
remote controller at least 1m from the radio, television and inverter
type fluorescent lamp.

To avoid any error in signal transmission from the remote controller,
please put the controller far away from high-frequency machines
and high-power wireless systems.

The installation height of indoor unit must be 2.3m or more.

   CAUTION

!

Do not expose the unit under direct sunshine or rain. Besides,
ventilation must be good and clear of obstruction.

The air blown out of the unit should not point directly to animals
or plants.

The clearances of the unit from top, left, right and front are specified
in figure below. At least 3 of the above sides must be open air.

Be sure that the hot air blown out of the unit and noise do not
disturb the neighbourhood.

Do not install at a location where there is flammable gas, steam,
oil and smoke.

The location must be convenient for water drainage.

Place the Outdoor unit and its connecting cord at least 1m away
from the antenna or signal line of television, radio or telephone.
This is to avoid noise interference.

INDOOR UNIT

Names of Indoor Components

Hanger

Qty

No.

Item

The Length of Indoor Unit

Connecting Cord

Figure showing the Installation of Indoor and
Outdoor Unit.

OUTDOOR UNIT

1

1

Screw for holder of
Remote Controller

( 3 . 1 x 1 6 )

AAA Size Battery

Direction of Piping

Dimension of Mounting Stand

of the Outdoor unit

(unit : mm)

Holder for Remote
Controller

There are 6 directions
allowed, namely, horizontally
perpendicular to the unit,
vertically down from right,
horizontally out from right,
horizontally out to left,
horizontally out to right,
vertically down from left.
Don’t form the piping
downward at the left of the unit.

( 4 . 1 x 3 2 )

Remote Controller

Purifying Filter

2

6

3

1

4

2

5

2

6

7

8

1

2

The difference in height
between the indoor and
outdoor unit should be
kept max 10m.

The connecting pipe, no
matter big or small,
should all be insulated
with insulation pipe and
then wrapped with vinyl
tape. (The insulator will
deteriorate if it is not
wrapped with tape).

The connection of insulated
drain hose.

Please use insulated drain
hose for the indoor piping
(commercial product).

The indoor piping should be
insulated with the enclosed
insulation pipe. (If the
insulator is insufficient,
please use commersial
products).

inner diameter ø 16mm

Be sure to
completely
seal any
gap with
putty.

Insulation pipe

1

Screw for Hanger

0.9m

1.6m

Connection

Horizontally
perpendicular
to the unit

57

12
35

120

500

320

10

35

(10)

340

mounting stand

SPLIT UNIT AIR CONDITIONER

INSTALLATION MANUAL

Indoor Unit

Outdoor Unit

RAS-X18CX

RAC-X18CX

  +    –  Screwdriver 

 

  ●

 Measuring Tape 

   

 Knife

 Saw  

  ø 65mm Power Drill  

 Hexagonal Wrench

Key (   4mm)  

 Wrench (14, 17, 24mm)  

 Gas

Leakage Detector    

 Pipe Cutter 

  

 Putty 

  

 Vinyl

Tape   

 

 Pliers    

 Flare Tool

Carefully read through the procedures of proper
installation before starting installation work.

The sales agent should inform customers regarding
the correct operation of installation.

Tools Needed For Installation Work

SAFETY PRECAUTION

Read the safety precautions carefully before operating the unit.

The contents of this section are vital to ensure safety. Please pay special attention to the following sign.

WARNING  ........  Incorrect methods of installation may cause death or serious injury.

CAUTION  .........  Improper installation may result in serious consequence.

Be sure that the unit operates in proper condition after installation. Explain to customer the proper way of operating
the unit as described in the user’s guide.

!

!

FOR SERVICE PERSONNEL ONLY

This unit is charge less up to 20m pipe length.

!

CAUTION

WARNING

!

CAUTION

!

A circuit breaker or fuse (20A time delay) must be installed. Without a circuit breaker or fuse the danger of electric shock
exists.
A main switch with a contact gap of more than 3mm has to be installed in the power supply line to the outdoor unit.

Do not install the unit near a location where there is flammable gas. The outdoor unit may
catch fire if flammable gas leaks around it.

Please ensure smooth flow of water when installing the drain hose.

Piping shall be suitable supported with a maximum spacing of 1m between the supports.

Please request your sales agent or qualified technician to install your unit. Water leakage, short circuit or fire may occur if you
do the installation work yourself.

Please observe the instructions stated in the installation manual during the process of installation. Improper installation may
cause water leakage, electric shock and fire.

Make sure that the units are mounted at locations which are able to provide full support to the weight of the units. If not, the
units may collapse and impose danger.

Observe the rules and regulations of the electrical installation and the methods described in the installation manual when
dealing with the electrical work. Use power cables approved by the authorities of your country.

Be sure to use the specified wire for connecting the indoor and outdoor units. Please ensure that the connections are tight
after the conductors of the wire are inserted into the terminals. Improper insertion and loose contact may cause over-heating
and fire.

Please use the specified components for installation work. Otherwise, the units may collapse or water leakage, electric shock
and fire may occur.

Be sure to use the specified piping set for R-410A. Otherwise, this may result in broken copper pipes or faults.

When installing or removing an air conditioner, only specified refrigerant (R410A) shall be allowed, do not allow air or moisture
to remain in the refrigeration cycle. Otherwise, pressure in the refrigeration cycle may become abnormally high so that a rupture
may be caused.

Be sure to ventilate fully if a refrigerant gas leak while at work. If the refrigerant gas comes into contact with fire, a poisonous
gas may occur.

After completion of installation work, check to make sure that there is no refrigeration gas leakage. If the refrigerant gas leaks
into the room, coming into contact with fire in the fan-driven heater, space heater, etc., a poisonous gas may occur.

Unauthorized modifications to the air conditioner may be dangerous. If a breakdown occurs please call a qualified air conditioner
technician or electrician. Improper repairs may result in water leakage, electric shock and fire, etc.

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