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Fujitsu Luftkonditionering AOHG45LBTB

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INSTALLATION MANUAL

OUTDOOR UNIT

For authorized service personnel only.

INSTALLATIONSANLEITUNG

AUSSENGERÄT

Nur für autorisiertes Fachpersonal.

MANUEL D’INSTALLATION

APPAREIL EXTÉRIEUR

Pour le personnel d’entretien autorisé uniquement.

MANUAL DE INSTALACIÓN

UNIDAD EXTERIOR

Únicamente para personal de servicio autorizado.

MANUALE DI INSTALLAZIONE

UNITÀ ESTERNA

A uso esclusivo del personale tecnico autorizzato.

ΕΓΧΕΙΡΙΔΙΟ ΕΓΚΑΤΑΣΤΑΣΗΣ

ΕΞΩΤΕΡΙΚΗ ΜΟΝΑΔΑ

Μόνο για εξουσιοδοτημένο τεχνικό προσωπικό .

MANUAL DE INSTALAÇÃO

UNIDADE EXTERIOR

Apenas para pessoal de assistência autorizado.

РУКОВОДСТВО ПО УСТАНОВКЕ

ВНЕШНИЙ МОДУЛЬ

Только для авторизованного обслуживающего персонала .

MONTAJ KILAVUZU

DI ÜN TEŞ İ

Yaln zca yetkili servis personeli için.ı

AIR CONDITIONER

Português E vIk Italiano Español Français Deutsch Englishλλη ά

Русский

Türkçe

PART No. 9379069755-02

[Original instructions]

En-2

WARNING

Do not use this equipment with air or any other unspeciﬁ ed refrigerant in the refrigerant

lines.

Excess pressure can cause a rupture.

During installation, make sure that the refrigerant pipe is attached ﬁ rmly before you run

the compressor.

Do not operate the compressor under the condition of refrigerant piping not attached

properly with 2-way or 3-way valve open. This may cause abnormal pressure in the

refrigeration cycle that leads to rupture and even injury.

When installing and relocating the air conditioner, do not mix gases other than the

speciﬁ ed refrigerant (R410A) to enter the refrigerant cycle.

If air or other gas enters the refrigerant cycle, the pressure inside the cycle will rise to

an abnormally high value and cause rupture, injury, etc.

To connect the indoor unit and outdoor unit, use air conditioner piping and cables

available locally as standard parts. This manual describes proper connections using

such installation set.

If the supply cord is damaged, it must be replaced by the manufacturer, its service

agent or similarly qualiﬁ ed persons in order to avoid a hazard.

Do not modify power cable, use extension cable or branch wiring. Improper use may

cause electric shock or ﬁ re by poor connection, insufﬁ cient insulation or over current.

Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation.

There is not extra refrigerant in the outdoor unit for air purging.

Use a vacuum pump for R410A exclusively.

Using the same vacuum pump for different refrigerants may damage the vacuum pump

or the unit.

Use a clean gauge manifold, vacuum pump and charging hose for R410A exclusively.

During the pump-down operation, make sure that the compressor is turned off before

you remove the refrigerant piping.

Do not remove the connection pipe while the compressor is in operation with 2 way or

3 way valve open. This may cause abnormal pressure in the refrigeration cycle that

leads to rupture and even injury.

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 ﬁ lm used as the packaging

material away from young children.

CAUTION

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

air conditioner.

Do not attempt to install the air conditioner or a part of the air conditioner by yourself.

This unit must be installed by qualiﬁ ed personnel with a capacity certiﬁ cate for handling

refrigerant ﬂ uids. Refer to regulation and laws in use on installation place.

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 non-authorized device 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, earth (ground) 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 explosive

atmosphere.

Do not touch the ﬁ ns of the heat exchanger. Touching the heat exchanger ﬁ ns could result

in damage to the ﬁ ns or personal injury such as skin rupture.

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.

Children should be monitored to ensure they do not play with the device.

Do not place any other electrical products or household belongings under indoor unit or

outdoor unit. Dripping condensation from the unit might get them wet, and may cause

damage or malfunction of your property.

2. ABOUT THIS PRODUCT

2.1. Precautions for using R410A refrigerant

WARNING

Do not introduce any substance other than the prescribed refrigerant into the

refrigeration cycle. If air enters the refrigeration cycle, the pressure in the refrigeration

cycle will become abnormally high and cause the piping to rupture.

If there is a refrigerant leak, make sure that it does not exceed the concentration limit.

If a refrigerant leak exceeds the concentration limit, it can lead to accidents such as

oxygen starvation.

1. SAFETY PRECAUTIONS

Be sure to read this manual carefully 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 operating manual, to the customer. Request the •

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

unit.

WARNING This mark indicates procedures which, if improperly performed,

might lead to the death or serious injury of the user.

CAUTION

This mark indicates procedures which, if improperly performed, might

possibly result in personal harm to the user, or damage to property.

WARNING

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

professional installers only in accordance with this manual. Installation by nonprofessional

or improper installation of the product may cause serious accidents such as injury, water

leakage, electric shock, or ﬁ re. If the product is installed in disregard of the instructions in

this manual, it will void the manufacturer’s warranty

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

power supply has been turned off. After turning off the power, always wait 10 minutes or

more before you touch the electrical components.

Do not turn ON the power until all work has been completed. Turning ON the power

before the work is completed can cause serious accidents such as electric shock or ﬁ re.

If refrigerant leaks while work is being carried out, ventilate the area. If the refrigerant

comes in contact with a ﬂ ame, it produces 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.

INSTALLATION MANUAL

OUTDOOR UNIT

PART No. 9379069755-02 English

Contents

1. SAFETY PRECAUTIONS ............................................................................................ 2

2. ABOUT THIS PRODUCT

2.1. Precautions for using R410A refrigerant ............................................................ 2

2.2. Special tools for R410A ...................................................................................... 3

2.3. Accessories ........................................................................................................3

3. INSTALLATION WORK

3.1. Selecting an installation location ........................................................................3

3.2. Drain installation .................................................................................................4

3.3. Installation dimensions .......................................................................................4

3.4. Transporting the unit .......................................................................................... 5

3.5. Installation .......................................................................................................... 5

4. PIPE SELECTION

4.1. Selecting the pipe material .................................................................................5

4.2. Protection of pipes .............................................................................................6

4.3. Refrigerant pipe size and allowable piping length .............................................. 6

4.4. Connectable pipe diameter and max. piping length ........................................... 6

5. PIPE INSTALLATION-1

5.1. Opening a knock out hole ..................................................................................7

5.2. Brazing ............................................................................................................... 7

5.3. Indoor unit pipe connections ..............................................................................7

5.4. Flare connection (pipe connection) .................................................................... 7

5.5. Sealing test ........................................................................................................8

5.6. Vacuum process ................................................................................................ 8

5.7. Additional charging ............................................................................................. 9

6. ELECTRICAL WIRING

6.1. Notes for electrical wiring ................................................................................. 10

6.2. Selecting circuit breaker and wiring .................................................................11

6.3. Knock out holes for wiring ................................................................................11

6.4. Wiring method .................................................................................................. 11

7. PIPE INSTALLATION-2

7.1. Installing insulation ...........................................................................................12

7.2. Filling with putty ................................................................................................12

8. HOW TO OPERATE DISPLAY UNIT

8.1. Display unit position .........................................................................................12

8.2. Description of display and button ..................................................................... 13

9. FIELD SETTING

9.1. Field setting buttons ......................................................................................... 13

9.2. Function settings ..............................................................................................13

10. EXTERNAL INPUT AND OUTPUT

10.1. External input ................................................................................................... 14

10.2. External output ................................................................................................. 15

11. TEST RUN

11.1. Pre-test run check items ..................................................................................15

11.2. Test operation method ..................................................................................... 16

11.3. Checklist ...........................................................................................................16

12. ERROR CODES

12.1. Error display mode ........................................................................................... 17

12.2. Error code check table ..................................................................................... 17

13. PUMP DOWN

13.1. Preparation for pump down ..............................................................................18

13.2. Pump down procedure ..................................................................................... 18

En-3

Name and shape Q’ty Description

Installation

manual

This manual

Drain pipe

For outdoor unit drain piping work

(May not be supplied, depending on

the model.)

Drain cap

One-touch bush

For power supply cable and

connection cable installation

3. INSTALLATION WORK

Make sure to obtain the customer’s approval for selecting and installing the outdoor unit.

3.1. Selecting an installation location

WARNING

Securely install the outdoor unit at a location that can withstand the weight of the unit.

Otherwise, the outdoor unit may fall and cause injury.

Be sure to install the outdoor unit as prescribed, so that it can withstand earthquakes

and typhoons or other strong winds. Improper installation can cause the unit to topple or

fall, or other accidents.

Do not install the outdoor unit near the edge of a balcony. Otherwise, children may climb

onto the outdoor unit and fall off of the balcony.

CAUTION

Do not install the outdoor unit in the following areas:

Area with high salt content, such as at the seaside. It will deteriorate metal parts, •

causing the parts to fail or the unit to leak water.

Area

ﬁ

lled with mineral oil or containing a large amount of splashed oil or steam, • such as a kitchen. It will deteriorate plastic parts, causing the parts to fail or the unit

to leak water.

Area that generates substances that adversely affect the equipment, such as sulfuric •

gas, chlorine gas, acid, or alkali. It will cause the copper pipes and brazed joints to

corrode, which can cause refrigerant leakage.

Area containing equipment that generates electromagnetic interference. It will cause •

the control system to malfunction, preventing the unit from operating normally.

Area that can cause combustible gas to leak, contains suspended carbon ﬁ bers or •

ﬂ

ammable dust, or volatile in

ﬂ ammables such as paint thinner or gasoline. If gas

leaks and settles around the unit, it can cause a ﬁ re.

Area where small animals may live. It may cause failure, smoke or ﬁ re if small •

animals enter and touch internal electrical parts.

Area where animals may urinate on the unit or ammonia may be generated. •

Do not tilt the outdoor unit more than 3 degrees.

Install the outdoor unit in a well-ventilated location away from rain or direct sunlight.

If the outdoor unit must be installed in an area within easy reach of the general public,

install as necessary a protective fence or the like to prevent their access.

Install the outdoor unit in a location that would not inconvenience your neighbors, as

they could be affected by the airﬂ ow coming out from the outlet, noise, or vibration. If it

must be installed in proximity to your neighbors, be sure to obtain their approval.

If the outdoor unit is installed in a cold region that is affected by snow accumulation, snow

fall, or freezing, take appropriate measures to protect it from those elements.

To ensure a stable operation, install inlet and outlet ducts.

Install the outdoor unit in a location that is away from exhaust or the vent ports that

discharge vapor, soot, dust, or debris.

Install the indoor unit, outdoor unit, power supply cable, transmission cable, and remote

control cable at least 1 m away from a television or radio receivers. The purpose of this

is to prevent TV reception interference or radio noise. (Even if they are installed more

than 1 m apart, you could still receive noise under some signal conditions.)

Branch switch and

circuit breaker

1 m or more

Branch switch and

circuit breaker

WARNING

Do not touch refrigerant that has leaked from the refrigerant pipe connections or other

areas. Touching the refrigerant directly can cause frostbite.

If a refrigerant leak occurs during operation, immediately vacate the premises and

thoroughly ventilate the area. If the refrigerant comes in contact with a ﬂ ame, it produces

a toxic gas.

The basic installation work procedures are the same as conventional refrigerant (R22)

models.

However, pay careful attention to the following points:

Since the working pressure is 1.6 times higher than that of conventional refrigerant

(R22) models, some of the piping and installation and service tools are special. (See the

table below.)

Especially, when replacing a conventional refrigerant (R22) model with a new refrigerant

R410A model, always replace the conventional piping and ﬂ are nuts with the R410A piping

and ﬂ are nuts.

Models that use refrigerant R410A have a different charging port thread diameter to pre-

vent erroneous charging with conventional refrigerant (R22) and for safety. Therefore,

check beforehand. [The charging port thread diameter for R410A is 1/2-20 UNF.]

Be more careful that foreign matter (oil, water, etc.) does not enter the piping than with

refrigerant (R22) models. Also, when storing the piping, securely seal the opening by

pinching, taping, etc.

When charging the refrigerant, take into account the slight change in the composition of

the gas and liquid phases. And always charge from the liquid phase where refrigerant

composition is stable.

2.2. Special tools for R410A

WARNING

To install a unit that uses R410A refrigerant, use dedicated tools and piping materials

that have been manufactured speciﬁ cally for R410A use. Because the pressure of

R410A refrigerant is approximately 1.6 times higher than R22, failure to use dedicated

piping material or improper installation can cause rupture or injury. Furthermore, it can

cause serious accidents such as water leakage, electric shock, or ﬁ re.

Tool name Contents of change

Gauge manifold

Pressure is high and cannot be measured with a conventional

(R22) gauge. To prevent erroneous mixing of other refrigerants,

the diameter of each port has been changed.

It is recommended the gauge with seals -0.1 to 5.3 MPa

(-1 to 53 bar) for high pressure.

-0.1 to 3.8 MPa (-1 to 38 bar) for low pressure.

Charge hose To increase pressure resistance, the hose material and base

size were changed.

Vacuum pump A conventional vacuum pump can be used by installing a

vacuum pump adapter.

Gas leakage detector Special gas leakage detector for HFC refrigerant R410A.

Copper pipes

It is necessary to use seamless copper pipes and it is desirable that the amount of residual

oil is less than 40 mg/10 m. Do not use copper pipes having a collapsed, deformed or

discolored portion (especially on the interior surface). Otherwise, the expansion value or

capillary tube may become blocked with contaminants.

As an air conditioner using R410A incurs pressure higher than when using R22, it is

necessary to choose adequate materials.

Thicknesses of copper pipes used with R410A are as shown in the table. Never use copper

pipes thinner than 0.8 mm even when it is available on the market.

Thicknesses of Annealed Copper Pipes (R410A)

Pipe outside diameter [mm (in.)] Thickness [mm]

6.35 (1/4) 0.80

9.52 (3/8) 0.80

12.70 (1/2) 0.80

15.88 (5/8) 1.00

19.05 (3/4) 1.20

2.3. Accessories

WARNING

For installation purposes, be sure to use the parts supplied by the manufacturer or other

prescribed parts. The use of non-prescribed parts can cause serious accidents such as

the unit falling, water leakage, electric shock, or ﬁ re.

Following installation parts are supplied. Use them as required.

Keep this manual in a safe place, and do not discard any other accessories until the

installation work has been completed.

Produktspecifikationer

Varumärke:	Fujitsu
Kategori:	Luftkonditionering
Modell:	AOHG45LBTB

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