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1. SAFETY PRECAUTIONS

• Be sure to read this manual thoroughly before installation.
• The warnings and precautions indicated in this manual contain important information

pertaining to your safety. Be sure to observe them.

• Hand this manual, together with the operation manual, to the customer. Request the

customer to keep them on hand for future use, such as for relocating or repairing the
unit.

WARNING

Indicates a potentially or imminently hazardous situation
which, if not avoided, could result in death or serious injury.

CAUTION

Indicates a potentially hazardous situation that may result in
minor or moderate injury or damage to property.

AIR CONDITIONER
Floor Type

INSTALLATION MANUAL

PART No. 9378533080-04

[Original instructions]

For authorized service personnel only.

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WARNING

• The appliance shall be installed, operated and stored in a room with a floor area larger

than X m

Amount of refrigerant charge

M (kg)

Minimum room area

X (m

)

≤

1.22

1.22 < M

≤

1.23

12.99

1.23 < M

≤

1.5

19.31

1.5 < M

≤

1.75

26.28

1.75 < M

≤

2.0

34.33

2.0 < M

≤

2.5

53.63

2.5 < M

≤

3.0

77.23

3.0 < M

≤

3.5

105.12

3.5 < M

≤

4.0

137.29

(IEC

60335-2-40)

• Installation of this product must be done by experienced service technicians or profes-

sional installers only in accordance with this manual. Installation by non-professional
or improper installation of the product might cause serious accidents such as injury,
water leakage, electric shock, or fire. If the product is installed in disregard of the
instructions in this manual, it will void the manufacturer’s warranty.

• Do not turn on the power until all work has been completed. Turning on the power be-

fore the work is completed can cause serious accidents such as electric shock or fire.

• If refrigerant leaks when you are working, ventilate the area. If the leaking refrigerant

is exposed to a direct flame, it may produce a toxic gas.

• Installation must be performed in accordance with regulations, codes, or standards for

electrical wiring and equipment in each country, region, or the installation place.

• Do not use means to accelerate the defrosting process or to clean, other than those

recommended by the manufacturer.

• 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.

• To avoid danger of suffocation, keep the plastic bag or thin film used as the packaging

material away from young children.

• The appliance shall be stored in a room without continuously operating ignition

sources (for example: open flames, an operating gas appliance or an operating
electric heater).

• Do not pierce or burn.
• Be aware that refrigerants may not contain an odour.
• Keep any required ventilation openings clear of obstruction.
• If the power cable or the connection cable is damaged, it must be replaced by the

manufacturer, its service agent or similar qualified persons in order to avoid a safety
hazard.

CAUTION

• Read carefully all safety information written in this manual before you install or use the

air conditioner.

• Install the product by following local codes and regulations in force at the place of

installation, and the instructions provided by the manufacturer.

• This product is part of a set constituting an air conditioner. The product must not be

installed alone or be installed with a device not authorized by the manufacturer.

• Always use a separate power supply line protected by a circuit breaker operating on

all wires with a distance between contact of 3 mm for this product.

• To protect the persons, ground (earth) the product correctly, and use the power cable

combined with an Earth Leakage Circuit Breaker (ELCB).

• This product is not explosion proof, and therefore should not be installed in an explo-

sive atmosphere.

• To avoid getting an electric shock, never touch the electrical components soon after

the power supply has been disconnected. After disconnecting the power, always wait
5 minutes or more before you touch the electrical components.

• This product contains no user-serviceable parts. Always consult experienced service

technicians for repairing.

• When moving or relocating the air conditioner, consult experienced service technicians

for disconnection and reinstallation of the product.

• Do not touch the aluminum fins of heat exchanger built-in the indoor or outdoor unit to

avoid personal injury when you install or maintain the unit.

• Do not place any other electrical products or household belongings under the product.

Condensation dripping from the product might get them wet, and may cause damage
or malfunction to the property.

Contents

1. SAFETY

PRECAUTIONS

.................................................................. 1

1.1. Precautions for using R32 refrigerant ......................................... 2

2. PRODUCT

SPECIFICATION

............................................................. 4

2.1. Installation tools .......................................................................... 4
2.2. Accessories ................................................................................ 4
2.3. Pipe requirement ........................................................................ 4
2.4. Electrical requirement ................................................................. 4
2.5. Optional parts ............................................................................. 4

3. INSTALLATION

WORK

..................................................................... 5

3.1. Selecting an installation location ................................................ 5
3.2. Side panel L, R removal and installation .................................... 5
3.3. Pipe installation .......................................................................... 6
3.4. Electrical wiring ........................................................................... 8
3.5. Remote controller installation ..................................................... 9

4. OPTIONAL INSTALLATION WORK .................................................. 9

4.1. Before install optional remote controller ..................................... 9
4.2. External input/output Wire modi

cation ...................................... 9

4.3. Side panel L and control cover removal ..................................... 9
4.4. Connecting cable to control board connector ............................. 9
4.5. Side panel L and control cover installation ............................... 10

5. FUNCTION

SETTING.......................................................................11

5.1. Function details .........................................................................11

6. TEST

RUN

....................................................................................... 12

7. FINISHING....................................................................................... 13

8. CUSTOMER

GUIDANCE

................................................................ 13

9. ERROR

CODES