Fujitsu Airstage AJH144LELBH Bedienungsanleitung

Fujitsu Klimaanlage Airstage AJH144LELBH

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INSTALLATION MANUAL

INSTALLATIONSANLEITUNG

MANUEL D'INSTALLATION

MANUAL DE INSTALACIÓN

MANUALE D'INSTALLAZIONE

ΕΓΧΕΙΡΙΔΙΟ ΕΓΚΑΤΑΣΤΑΣΗΣ

MANUAL DE INSTALAÇÃO

РУКОВОДСТВО ПО УСТАНОВКЕ

KURULUM KILAVUZU

OUTDOOR UNIT

AUSSENGERÄT

UNITÉ EXTÉRIEURE

UNIDAD EXTERIOR

UNITÀ ESTERNA

ΕΞΩΤΕΡΙΚΉ ΜΟΝΆΔΑ

UNIDADE EXTERIOR

ВНЕШНИЙ МОДУЛЬ

DIŞ ÜNİTE

For authorized service personnel only.

Nur für autorisiertes Fachpersonal.

Pour le personnel de service agrée uniquement.

Únicamente para personal de servicio autorizado.

A uso esclusivo del personale tecnico autorizzato.

Μόνο για εξουσιοδοτημένο τεχνικό προσωπικό.

Somente para o pessoal do serviço técnico autorizado.

Только для .авторизованного обслуживающего персонала

Yalnızca yetkili servis personeli için.

PART No. 9380545347

AJ*072LELBH

AJ*090LELBH

AJ*108LELBH

AJ*126LELBH

AJ*144LELBH

AJ*162LELBH

[Original instructions]

En-1

1. SAFETY PRECAUTIONS

• Be sure to read this Installation manual thoroughly before installation.

• The warnings and precautions indicated in this Installation manual contain important

information pertaining to your safety. Be sure to observe them.

• After installing the unit, perform a test run to make sure the unit operates normally. Then,

explain to the customer how to operate and maintain the unit.

• Please pass this Installation manual together with the Operating manual to the customer.

Please ask the customer to keep the Operating manual and Installation manual at hand

for future reference during the moving or repair of the main unit.

WARNING This mark indicates procedures which, if improperly per-

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

Consult the retail store or professional technicians to install the main unit according to

the Installation manual.

Improper installation will cause serious accidents such as refrigerant leakage, water

leakage, electric shock, and fire.

Manufacturer's guarantee will be invalid when instructions in the Installation manual are

ignored during installation.

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

prescribed parts.

Using non-specified parts will cause serious accidents such as falling unit, refrigerant

leakage, water leakage, electric shock, and fire.

To install a unit that uses the R410A refrigerant, use dedicated tools and piping materi-

als that have been manufactured specifically for R410A use.

Because the pressure of the R410A refrigerant is approximately 1.6 times higher than

the R22, failure to use dedicated piping material or improper installation can cause

rupture or injury.

It will also cause serious accidents such as refrigerant leakage, water leakage, electric

shock, and fire.

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

lines.

Excess pressure can cause a rupture.

Be sure to install the 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.

Ensure that the outdoor unit is securely installed at a place that can withstand the

weight of the unit.

Improper installation will cause injuries caused by falling unit.

If there is a refrigerant leakage, make sure that it does not exceed the concentration

limit.

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

oxygen starvation.

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

thoroughly ventilate the area.

If the refrigerant is exposed to fire, it will create a hazardous gas.

Electrical work must be performed in accordance with this Installation manual by a

person certified under the national or regional regulations. Be sure to use a dedicated

circuit for the unit.

An insufficient power supply circuit or improperly performed electrical work can cause

serious accidents such as electric shock or fire.

For wiring, use the prescribed type of cables, connect them securely, making sure that

there are no external forces of the cables applied to the terminal connections.

Improperly connected or secured cables can cause serious accidents such as overheat-

ing the terminals, electric shock, or fire.

Securely install the electrical box cover on the unit.

An improperly installed electrical box cover can cause serious accidents such as electric

shock or fire through exposure to dust or water.

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 fire.

After the installation, make sure there is no refrigerant leakage.

If the refrigerant leaks into the room and becomes exposed to a source of fire such as a

fan heater, stove, or burner, it will create a hazardous gas.

Use a wall hole pipe. Otherwise, it may cause a short circuit.

Do not place the outdoor unit near the handrail of the balcony.

Children may climb onto the outdoor unit, lean over the handrail and fall over.

Use only a specified power cable. Poor connection, poor insulation, and exceeding the

allowable current will lead to electric shock and fire.

Attach the connecting cables securely to the terminal. Or secure it firmly with a “wiring

suppressor”.

Loose connection will lead to malfunction, electric shock, and fire.

Be sure to install an earth leakage breaker that can shut down all power supplies within

the system at the same time.

If you do not install a breaker, it may cause electric shock and fire.

During installation, make sure that the refrigerant pipe is attached firmly 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.

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

fore 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 breakage and even injury.

INSTALLATION MANUAL

VRF system outdoor unit

PART No. 9380545347

Contents

1. SAFETY PRECAUTIONS …………………………………………………………………1

2. ABOUT THIS PRODUCT ………………………………………………………………… 2

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

2.2. Special tools for R410A ……………………………………………………………2

2.3. Accessories …………………………………………………………………………2

2.4. Combinations ……………………………………………………………………… 3

2.5. Optional parts ……………………………………………………………………… 3

3. INSTALLATION WORK …………………………………………………………………… 3

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

3.2. Drain processing …………………………………………………………………… 3

3.3. Installation dimensions …………………………………………………………… 3

3.4. Transporting the unit ………………………………………………………………4

3.5. Installing the unit …………………………………………………………………… 5

4. SYSTEM CONFIGURATION ………………………………………………………………5

4.1. System conﬁ guration ……………………………………………………………… 5

4.2. Pipe selection ……………………………………………………………………… 5

4.3. Protection of pipes ………………………………………………………………… 6

5. PIPE INSTALLATION ………………………………………………………………………6

5.1. Brazing ………………………………………………………………………………6

5.2. Indoor unit pipe connections ……………………………………………………… 6

5.3. Opening the knockout hole ……………………………………………………… 7

5.4. Pipe connection …………………………………………………………………… 7

6. ELECTRICAL WIRING ……………………………………………………………………8

6.1. The precautions of electrical wiring ………………………………………………8

6.2. Knockout hole ……………………………………………………………………… 8

6.3. Selecting power supply cable and breaker ………………………………………8

6.4. Transmission line ……………………………………………………………………9

6.5. Wiring method ………………………………………………………………………9

6.6. External input and external output …………………………………………… 11

7. FIELD SETTING ………………………………………………………………………… 12

7.1. Field setting switches …………………………………………………………… 12

7.2. DIP switch setting ……………………………………………………………… 12

7.3. Rotary switch setting …………………………………………………………… 12

7.4. Push button setting ……………………………………………………………… 12

7.5. Address setting for signal ampliﬁ ers …………………………………………… 14

7.6. Indoor unit address setting ……………………………………………………… 14

7.7. Resistance measurement of transmission cable

(Measure with breaker OFF) …………………………………………………… 14

8. PIPE INSTALLATION II ………………………………………………………………… 15

8.1. Sealing test ……………………………………………………………………… 15

8.2. Vacuum process ………………………………………………………………… 15

8.3. Additional charging ……………………………………………………………… 15

8.4. Installing insulation ……………………………………………………………… 16

8.5. Filling with putty ………………………………………………………………… 16

9. TEST RUN ……………………………………………………………………………… 16

9.1. Indoor unit connection check …………………………………………………… 16

9.2. Pre-check for test run …………………………………………………………… 17

9.3. Test run method ………………………………………………………………… 17

9.4. Checklist ………………………………………………………………………… 17

10. LED STATUS …………………………………………………………………………… 18

10.1. Normal operation codes ………………………………………………………… 18

10.2. Error codes ……………………………………………………………………… 18

11. INFORMATION ………………………………………………………………………… 18

En-2

CAUTION

This mark indicates procedures which, if improperly per-

formed, might possibly result in personal harm to the user, or

damage to property.

This unit must be installed by qualified personnel with a capacity certificate for handling

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

The installation must be carried out in compliance with regulations in force in the place

of installation and the installation instructions of the manufacturer.

This unit is part of a set constituting an air conditioner. It must not be installed alone or

with non-authorized by the manufacturer.

This unit contains no user-serviceable parts. Always consult authorized service person-

nel to repairs.

When moving, consult authorized service personnel for disconnection and installation

of the unit.

Be sure to use a dedicated power circuit.

Never use a power supply shared by another appliance.

072/090 model

• This product is conformed to IEC/EN61000-3-2.

• This product is designed for professional use.

• On the power supply connection, obtain the connection permission of the distribution

network operator.

108/126/144/162 model

• This equipment complies with IEC 61000-3-12 provided that the short-circuit power

Ssc is greater than or equal to following table at the interface point between the user's

supply and the public system. It is the responsibility of the installer or user of the

equipment to ensure, by consultation with the distribution network operator if neces-

sary, that the equipment is connected only to a supply with a short-circuit power Ssc

than or equal to following table.

Model Short-circuit power Ssc

AJ*108LELBH 5.456 MVA

AJ*126LELBH 2.832 MVA

AJ*144LELBH 2.832 MVA

AJ*162LELBH 3.417 MVA

162 model

• This unit must be connected to a power supply with impedance of 0.441 ohm and

below. If the power supply does not satisfy this requirement, please consult the power

supplier.

Do not install the unit in the following areas:

• For the installation conditions if installing in an area of high salt damage such as the

coast, follow the Design & Technical Manual.

• Area filled 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 fall 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 refriger-

ant 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 fibers or

flammable dust, or volatile flammables such as paint thinner or gasoline.

If gas leaks and settles around the unit, it can cause a fire.

• Avoid installing the unit at places where it will come into contact with animals’ urine or

ammonia.

The units are not explosion proof and therefore should not be installed in explosive

atmosphere.

Do not use the unit for special purposes, such as storing food, raising animals, growing

plants, or preserving precision devices or art objects. It can degrade the quality of the

preserved or stored objects.

Ground the unit. Do not connect the ground cable to a gas pipe, water pipe, lightning

rod, or a telephone ground cable. Improper grounding may cause electric shock.

Perform draining for the unit according to the Installation manual. Check that the water

is properly drained.

If the drain processing is improperly installed, water may drip down from the unit, wet-

ting the furniture.

Do not touch the fins with bare hands.

Be sure not to start or stop the operation of air conditioning with power breaker. Other-

wise, it may cause malfunction or water leakage.

When setting it up near the equipment that generates electromagnetic waves and the

equipment that generates the higher harmonics wave, be sure to take measures against

noise. Otherwise, it may cause malfunction or failure.

When energizing to the crankcase heater, please turn on the power 12 hours or earlier

before operation begins. When the energizing time is short, it may cause failure. Be-

sides, please do not turn off power during the busy season.

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.

2. ABOUT THIS PRODUCT

2.1. Precautions for using R410A refrigerant

Pay careful attention to the following points:

Since the working pressure is 1.6 times higher than that of R22 models, some of the

piping and installation and service tools are special. (See the table in the SPECIAL

TOOLS FOR R410A section.)

Especially, when replacing a conventional refrigerant (other than R410A) model with

a new refrigerant R410A model, always replace the conventional piping and flare nuts

with the R410A piping and flare nuts.

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

vent erroneous charging with R22, R407C and for safety. Therefore, check beforehand.

[The charging port thread diameter for R410A is 1/2 UNF 20 threads per inch.]

Be more careful than the installation of the refrigerant (other than R410A) models, not

to enter foreign matters (oil, water, etc.) and other refrigerant into the piping. Also, when

storing the piping, securely seal the openings 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 side whose

composition is stable.

2.2. Special tools for R410A

Tool name Contents of change for R22 tool

Gauge manifold

Pressure is huge and cannot be measured with a conven-

tional gauge. To prevent erroneous mixing of other refriger-

ants, the diameter of each port has been changed.

It is recommended to use a gauge manifold with a high

pressure display range -0.1 to 5.3 MPa and a low pressure

display range -0.1 to 3.8 MPa.

Charging 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.

• A conventional vacuum pump can be used by installing a

vacuum pump adapter.

• Be sure that the pump oil does not back flow into the

system. Use one capable for vacuum suction of -100.7kPa

(5 Ton, -755mmHg).

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

2.3. Accessories

Use connecting parts as required.

Do not throw away the connecting parts until the installation has been complete.

Name and shape Q’ty Application

Specifications

manual

1 —

Installation manual

(This manual)

Drain cap

For outdoor unit drain piping

work

Drain pipe

For outdoor unit drain piping

work

Joint pipe A 1

(090 model

only)

For connecting gas pipe

(L type)

Joint pipe B 1

(090 model

only)

For connecting gas pipe

(Straight type)

Joint pipe C 1

(090 model

only)

For connecting liquid pipe

(Straight type)

Joint pipe A-L 1

(108/126/

144/162

model only)

For connecting gas pipe

(L type)

Joint pipe B-L 1

(108/126/

144/162

model only)

For connecting gas pipe

(Straight type)

Push mount cable tie

For binding transmission cable

Grommet edging

For power supply cable and con-

nection cable installation.

Attach to the knockout hole.

En-4

3.3.1 Single outdoor unit installation

When the upward area is open

Unit: mm

(1) Obstacles at rear only

100 or more

(2) Obstacles at rear and sides only

100 or more

300 or

80 or

(3) Obstacles at front only

1000 or more

(4) Obstacles at front and rear only

1000 or more

100 or more

When an obstruction is present also in the upward area

Unit: mm

(1) Obstacles at rear and above only

100 or

Max.

500

1000 or

(2) Obstacles at rear, sides, and above only

1500 or

80 or

100 or more

300 or

3.3.2 Multiple outdoor unit installation

• Provide at least 100 mm of space between the outdoor units if multiple units are

installed.

• When routing the piping from the side of an outdoor unit, provide space for the piping.

When the upward area is open

Unit: mm

(1) Obstacles at rear only

300 or

(2) Obstacles at front only

1500 or more

(3) Obstacles at front and rear only

500 or more

1500 or more

When an obstruction is present also in the upward area

Unit: mm

(1) Obstacles at rear and above only

• Up to 3 units can be installed side by side.

• When 4 units or more are arranged in a line, provide the space as shown below.

1500 or

500 or

Max.

300

1500 or

3.3.3 Outdoor units installation in multi row

* The following settings are not recommended in case of cooling by a low outside tem-

perature. Unit: mm

(1) Single parallel unit arrangement (2) Multiple parallel unit arrangement

100 or

600 or more

1000 or more

2000 or

500 or

600 or more

1500 or more

3000 or

3.4. Transporting the unit

WARNING

Do not touch the fins. Otherwise, personal injury could result.

CAUTION

When carrying the unit, hold the handles on the right and left sides and be careful.

If the outdoor unit is carried from the bottom, hands or fingers may be pinched.

Hoisting method

• When hoisting the outdoor unit, hook the rope on the outside of the foot as shown in the

figure.

• Use sufficiently strong rope to bear the unit’s weight.

• Place protective board or filler cloth at the place where the cabinet may come into

contact with the rope to prevent damages. Without using them, the cabinet may be dam-

aged or deformed.

• The center of gravity of the outdoor unit is shifted to the right. Be careful not to tilt to the

heavy side causing it to fall.

• To prevent an accident caused by the unit swinging or falling down, do not apply any

impact to the unit when it is hanging.

• When hoisting, do not hook the rope to the thermistor holder on the back of the outdoor

unit.

Protective

boards

Foot Light

side

Heavy

side

700 to

1000 mm

Product mass (kg)

AJ*072LELAH 170

AJ*090LELAH 177

AJ*108LELAH 178

AJ*126LELAH 213

AJ*144LELAH 213

AJ*162LELAH 217

Lifting by forklift

• When using the forklift to lift the unit, pass

the forklift arms through the opening space

of the wooden delivery pallet.

• Be careful not to damaged.

Wooden delivery

pallet

Carrying by hand

• Carry slowly in the manner

as shown on “Fig. B” hold-

ing the handles “Fig. A”

in right and left sides. (Be

careful not to touch with

hands or objects.)

• Be sure to hold the

handles on the sides of

the unit. Otherwise, the

suction grilles on the

sides of the unit may be

deformed.

Handle

Fig. A Fig. B

En-6

Table. B (Diameter of piping used between outdoor unit and first separation

tube or header)

For the following installation conditions, it is necessary to increase the piping size.

• Condition 1: Total indoor unit capacity ratio 110%˃

• Condition 2: Between outdoor unit and first separation tube or header 70 m˃

If both conditions 1 and 2 are met, condition 2 is followed.

Model

Outdoor

unit

cooling

capacity

[kW]

Diameter of piping [mm (in)]

Liquid pipe Gas pipe

Stan-

dard

Condi-

tion 1

Condi-

tion 2

Stan-

dard

Condi-

tion 1

Condi-

tion 2

AJ*072

LELBH 22.4 9.52

(3/8) ←12.70

(1/2)

19.05

(3/4) ←22.22

(7/8)

AJ*090

LELBH 28.0 9.52

(3/8)

12.70

(1/2) ←22.22

(7/8) ← ←

AJ*108

LELBH 33.5 12.70

(1/2) ← ← 28.58

(1-1/8) ← ←

AJ*126

LELBH 40.0 12.70

(1/2) ← ← 28.58

(1-1/8) ← ←

AJ*144

LELBH 45.0 12.70

(1/2) ← ← 28.58

(1-1/8) ← ←

AJ*162

LELBH 50.0 12.70

(1/2) ← ← 28.58

(1-1/8) ← ←

Table. C (Diameter of piping used between separation tubes)

(If pipe diameter C > B, select pipe size from table B)

Total cooling

capacity of indoor

unit [kW]

Outside diameter [mm (in)] Separation

tube *4 Header *4

Liquid pipe Gas pipe

x < 11.2 9.52 (3/8) 15.88 (5/8)

UTP-AX054A UTR-H0906L

UTR-H0908L

11.2 x < 14.0 9.52 (3/8) 19.05 (3/4)≤

14.0 x < 19.7 12.70 (1/2) 19.05 (3/4)≤

19.7 x < 28.1 12.70 (1/2) 22.22 (7/8) UTP-AX090A≤

28.1 x 12.70 (1/2) 28.58 (1-1/8) UTP-AX180A≤UTR-H1806L

UTR-H1808L

*4: For the installation method, please refer to the installation manuals for indoor unit,

separation tubes or headers.

Use a standard separation tube for pipe branching. Do not use a T tube as it does not

separate the refrigerant evenly.

Table. D (Diameter of piping used between separation tube and indoor unit)

(If pipe diameter D > C, select pipe size from table C)

Model code of indoor

unit

Cooling capacity of indoor

unit (kW)

Outside diameter [mm (in)]

Liquid pipe Gas pipe

04, 07, 09 1.1, 2.2, 2.8 6.35 (1/4) 9.52 (3/8) (*5)

12, 14, 18 3.6, 4.5, 5.6 6.35 (1/4) 12.70 (1/2)

24, 30, 34, 36, 45,

54, 60

7.1, 9.0, 10.0, 11.2, 12.5, 14.0,

18.0 9.52 (3/8) 15.88 (5/8)

72, 90 22.4, 25.0 9.52 (3/8) 19.05 (3/4)

96 28.0 9.52 (3/8) 22.22 (7/8)

*5: Between separation tube and Indoor unit > 20 m 12.70 mm (1/2 in).→

Table. E (Indoor unit capacity comparison table - The indication of power is

different depending on the model.)

Model code of

indoor unit

04/

004

07/

007

09/

009

12/

012

14/

014

18/

018

24/

024

30/

030

34/

034

36/

036

45/

045

54/

054

60/

060

72/

072

90/

090

96/

096

Capacity [kW]

1.1 2.2 2.8 3.6 4.5 5.6 7.1 9.0

10.0 11.2 12.5 14.0 18.0 22.4 25.0 28.0

In the case of ARXD007GLEH: equivalent to model code of indoor unit

Model code 007 Capacity=2.2kW→

4.3. Protection of pipes

Location Working period Protection method

Outdoor 1 month or more Pinch pipes

Less than 1 month Pinch or tape pipes

Indoor — Pinch or tape pipes

• Protect the pipes to prevent the entry of moisture and dust.

• Especially pay attention when passing the pipes through a hole or connecting the end of

a pipe to the outdoor unit.

5. PIPE INSTALLATION

5.1. Brazing

CAUTION

If air or another type of refrigerant enters the refrigera-

tion cycle, the internal pressure in the refrigeration

cycle will become abnormally high and prevent the

unit from exerting its full performance.

Pressure regulating valve

Cap

Nitrogen gas

Brazing area

Apply nitrogen gas while brazing the pipes.

Nitrogen gas pressure: 0.02 MPa (= pressure felt suf-

ficiently on the back of your hand)

If a pipe is brazed without applying nitrogen gas, it will create an oxidation film.

This can degrade performance or damage the parts in the unit (such as the compressor

or valves).

Do not use flux to braze pipes. If the flux is the chlorine type, it will cause the pipes to

corrode.

In additio

n, if the flux contains fluoride, it will affect the refrigerant piping system due to

deterioration of refrigerant oil.

For brazing material, use phosphor copper that does not require flux.

5.2. Indoor unit pipe connections

CAUTION

For details, refer to the Installation Instruction Sheet of each part.

Separation tube

± 15°

GOOD GOOD

Horizontal Vertical

Horizontal line

Outdoor unit or Refrigerant

branch kit

Indoor unit or Refrigerant

branch kit

PROHIBITED

Header

α2

β2

GOOD

Horizontal line

View D

View C

Horizontal line

Vertical line

Gas pipe

Liquid pipe

Outdoor

unit side

Outdoor

unit side

H1 = 0 to 10 mm

H2 = 0 to 10 mm

(α1: 0° to 1°)

β1: -10° to 10°

(α2: 0° to 1°)

β2: -10° to 10°

PROHIBITED

CAUTION

Do not connect a separation tube after a header.

Leave the distance 0.5 m or more for straight part to branch tube and header.

To indoor unit

Main pipe

0.5 m or more

To indoor unit

Separation tube

Header

To indoor unit

0.5 m or more

To indoor unit

Separation tube

Header

En-7

5.4.2 Removing the pinch pipe

WARNING

Remove the pinch pipe only when the internal gas is completely drained as shown on

the below instructions.

If gas still remains inside, the piping may crack if you melt the brazing filler metal of the

junction area with a burner.

Before connecting the piping, remove the pinch pipe in accordance with the following

instructions:

1) Verify that the liquid

side and gas side

3-way valves are

closed.

2) Cut the end of the liquid

side and gas side pinch

pipe and vent the gas

inside the pinch pipe.

3) After all the gas is vented, melt

the brazing filler metal on con-

necting part using a torch and

remove the pinch pipe.

3-way valves

Pinch pipes End of pinch pipes

5.4.3 Pipe connection

CAUTION

Seal the pipe route hole with putty (locally purchased) such that there are no gaps.

Small insects or animals that are trapped in the outdoor unit may cause a short circuit in

the electrical component box.

To prevent pipe damage; do not make sharp bends.

Bend the pipe at a radius of 70 mm or greater.

Do not bent pipe many times at same part to prevent break.

After completing all the pipe connection by brazing, perform the indoor unit pipe connec-

tion with a flare joint.

When removing the pinch pipe or brazing the joint pipe, carry out the work while cooling

down the 3-way valve sufficiently.

• Braze the joint pipe onto the 3-way valves at the liquid and gas side. Install the joint pipe

appropriately so that it can be connected easily with the main pipe.

• Braze the joint pipe at the liquid and gas side with the main pipe.

* Be sure to supply nitrogen when brazing.

Connection example

Front connection Bottom connection

Liquid pipe

(locally

purchased)

Gas pipe

(locally purchased)

C (accessory)

A (accessory)

Liquid pipe

(locally purchased)

Gas pipe

(locally

purchased)

B (accessory)

C (accessory)

A: Joint pipe A (090 model), Joint pipe A-L (108/126/144/162 model)

B: Joint pipe B (090 model), Joint pipe B-L (108/126/144/162 model)

C: Joint pipe C (090 model)

5.4.4 Handling precautions for the valves

• Mounted part of Blank cap is sealed for protection.

• Fasten blank cap tightly after opening valves.

Operating the valves

• Use a hexagon wrench.

Liquid valve: size 4 mm, Gas valve: size 8 mm.

Opening:

(1) Insert the hexagon wrench into the

valve shaft, and turn it counterclock-

wise.

(2) Stop turning when the valve shaft can

no longer be turned. (Open position)

Closing:

(1) Insert the hexagon wrench into the

valve shaft, and turn it clockwise.

(2) Stop turning when the valve shaft can

no longer be turned. (Closed position)

Opening

direction

Hexagon wrench

Seal

(blank cap

installation

portion)

Liquid

pipe Gas pipe

Opening

direction

5.3. Opening the knockout hole

CAUTION

Be careful not to deform or scratch the panel while opening the knockout holes.

To protect the piping insulation after opening a knockout hole, remove any burrs from

the edge of the hole. It is recommended to apply rust prevention paint to the edge of the

hole.

• Pipes can be connected from 3 directions, front, lateral side and bottom. (Fig. A)

• When connecting at the bottom, remove the service panel and piping cover on the front

of the outdoor unit, and open the knockout hole provided at the bottom corner of the

piping outlet.

9221

61 100

94 21

61 94

60 12

14 90

Unit: mm

Fig. A

Service panel

Top view of

the base

Front connection Lateral connection Bottom connection

• It can be installed as shown on “Fig. B” cutting out the 2 slits as indicated on “Fig. C”.

(When cutting slits, use a steel saw.)

Slit

Fig. B

Bottom

connection

Fig. C

5.4. Pipe connection

CAUTION

Do not use mineral oil on a flared part. Prevent mineral oil from getting into the system

as this would reduce the lifetime of the units.

While brazing the pipes, be sure to blow dry nitrogen gas through them.

The maximum lengths of this product are shown in the table. If the units are further

apart than this, correct operation cannot be guaranteed.

5.4.1 Bending pipes

CAUTION

To prevent breaking of the pipe, avoid sharp bends. Bend the pipe with a radius of

curvature of 100 mm or more.

If the pipe is bent repeatedly at the same place, it will break.

• If pipes are shaped by hand, be careful not to collapse them.

• Do not bend the pipes at an angle of more than 90°.

• When pipes are repeatedly bent or stretched, the material will harden, making it difficult

to bend or stretch them anymore.

• Do not bend or stretch the pipes more than 3 times.

En-10

6.5.2 Wiring procedure

• Remove the service panel. And connect the cable to the terminal in accordance with the

terminal name plate.

• Use a ring terminal to connect the electric cables to the power supply terminal board.

• Keep the earth cable longer than the other cables.

• After connecting the electric cable, secure them with a cable clamp.

• Connect the cable without applying excessive tension.

• Use the specified cable type and connect the cable securely.

Secure with a cable

clamp as shown in the

figure below.

Tightening torque

[N·m (kgf·cm)]

M3 screw 0.5 to 0.6 (5 to 6)

M5 screw 2.0 to 3.0 (20 to 30)

072, 090, 108 model

Power supply terminal

Ring terminal (M5)

Transmission terminal (M3)

Power supply cable

Power supply

cable

Transmission cable

Push mount

cable tie

(accessory)

Push mount

cable tie

(accessory)

Cable clamp

Cable tie

Earth (ground)

cable

8 to 10 mm

45 to 50 mm

25 to

40 mm

25 to

30 mm

126, 144, 162 model

Power supply terminal

Ring terminal (M5)

Transmission

terminal (M3)

Power supply cable

Power supply

cable Transmission cable

Transmission

cable

Push mount cable tie (accessory)

Push mount

cable tie

(accessory)

Cable clamp

Cable tie

Earth (ground)

cable

8 to 10 mm

55 to 60 mm

25 to 40 mm

35 to 40 mm

126, 144

model

126, 144,

162 model

How to connect wiring to the terminal

Caution when wiring cable

(1) Use ring terminals with insulating sleeves as shown in the figure to connect to the

terminal block.

(2) Securely clamp the ring terminals to the cables using an appropriate tool so that

the cables do not come loose.

(3) Use the specified cables, connect them securely, and fasten them so that there is

no stress placed on the terminals.

(4) Use an appropriate screwdriver to tighten the terminal screws. Do not use a screw-

driver that is too small, otherwise, the screw heads may be damaged and prevent

the screws from being properly tightened.

(5) Do not tighten the terminal screws too much, otherwise, the screws may break.

(6) See the table below for the terminal screw tightening torques.

Strip 10 mm

Cable

Screw with

special washer

Ring terminal

Terminal block

Ring terminal

Sleeve

Screw with

special washer

Ring terminal

Cable

Shielding the transmission cable

Connect both ends of the shielded

wire of the transmission cable to

the earth (ground) terminal of the

equipment or to the earth (ground)

screw near the terminal.

Be sure to use one side of a

twisted-pair cable when using

transmission cable with 2 sets of

twisted-pair cables.

Wind with insulation tape to prevent short circuit

Use one side

of the twisted

pair cable

Connect both ends of shielded

wire to earth (Ground).

En-11

6.6. External input and external output

6.6.1 Terminal position

CN136 BLK

EXT. OUT. 1

CN137 BLU

EXT. OUT. 2

CN131

YEL

CN132

GRN

CN134 RED

CN133

WHT

CN135

ORG

EXT. IN. 1

PLUSE. IN

EXT. IN. 4

EXT. IN. 2

EXT. IN. 3

CN115 BLK

BASE HEATER

Base heater

(CN115: Black) Outdoor unit PC board

Input 4

(CN134: Red)

Input 3

(CN133: White)

Input 2

(CN132: Green)

Input 1

(CN131: Yellow)

Input 5 (CN135: Orange)

Output 1 (CN136: Black)

Output 2

(CN137: Blue)

CAUTION

Do not bundle the cable for base heater with other cables.

When connecting

cable to Input 2

Cable (for external

input and output)

Push mount cable tie (accessory)

(tightened with transmission cable)

Push mount cable tie

(accessory) (tightened

with transmission

cable)

Cable (for external input and output)

* If the outdoor unit is not installed in the wall, cover the exposed

part of cable with a 1 mm thick or more insulation tubing.

Connection

example

(Power supply

terminal of 162

model is different

from drawing.)

6.6.2 External input terminal

Setting to low noise mode, cooling priority/heating priority selection, outdoor unit operation

peak control setting, emergency/batch stop and electricity meter pulse are possible from

the outside.

Wiring method and specifications

* A twisted pair cable (22 AWG (0.33 mm²)) should be used. Maximum length of cable is

150 m.

* Use an external input and output cable with appropriate external dimension, depending

on the number of cables to be installed

* For each input, pin No. 1 is of positive polarity and pin No. 2 is of ground level.

Connected unit Connected unit Connected unit Connected unit Connected unit

Input 1

CN131

(Yellow)

Input 2

CN132

(Green)

Input 3

CN133

(White)

Input 4

CN134

(Red)

Input 5

CN135

(Orange)

P.C.B

Operation behavior

Each input terminal works as follows.

Connector Input signal Status

Input 1

CN131 (Yellow)

OFF Normal operation

ON Low noise mode operation

Input 2

CN132 (Green) (*1)

OFF Cooling priority

ON Heating priority

Input 3

CN133 (White)

OFF Normal operation

ON Outdoor unit operation peak control

Input 4

CN134 (Red)

OFF Normal operation

ON Batch stop or Emergency stop operation (*2, *3)

Input 5

CN135 (Orange)

(*4)

No pulse No information from electricity meter

Pulse Power usage information from electricity meter

The operations of each input terminal and the selection of function are set with the push

button on the PC board of outdoor unit. About the setting, please refer to “7.4. Push button

setting”.

NOTES:

*1: The “external input priority mode” must be set by pressing push button on PC board

of outdoor unit. (Refer to “7. FIELD SETTING”.)

*2: Batch stop or Emergency stop pattern can be selected by outdoor unit PC board

push button. (Refer to “7. FIELD SETTING”.)

*3: The emergency stop function mounted in this model does not guarantee the regula-

tions of each country. For this reason, sufficient checking is necessary regarding

use.

Especially, since the fact that the equipment may not be emergency-stopped in the

case of breaking of the wiring to the external input terminals and communication

line, communication error due to noise, VRF external input circuit trouble, etc. must

be considered, the provision of double measures that add direct interruption of the

power supply by switch, etc. is recommended as a precaution.

*4: Pulse input to CN135 must be width 50 ms or more, and must be interval 50 ms or

more.

6.6.3 External output terminal

You can detect the operation condition of outdoor unit and the abnormal situation of both

indoor and outdoor unit.

Wiring method and specifications

Error status

This output indicates the outdoor unit

and connected indoor unit's “Normal” or

“Error” status.

Operation status

This output indicates the outdoor unit's

“Operation” status.

Connector Output

voltage Status

Output1

CN136

(Black)

0V Normal

DC 12-24 V

(*5)

Error

Output2

CN137

(Blue)

0V Stop

DC 12-24 V

(*5)

Operation

P.C.B

CN136 (Black) or

CN137 (Blue)

DC power supply

(External) 12-24 V

Connected load (Operation Indica-

tor or Error Indicator)

Connected unit

*5: Provide a DC 12 to 24 V power supply.

Select a power supply capacity with an ample surplus for the connected load.

*6: The allowable current is 30 mA or less.

Provide a load resistance such that the current becomes 30 mA or less.

*7: Polarity is [+] for pin 1 and [-] for pin 2. Connect correctly.

Do not impress a voltage exceeding 24 V across pins 1-2.

* A twisted pair cable (0.33 mm² (22AWG)) should be used.

Maximum length of cable is 150 m.

* Use an external input and output cable with appropriate external dimension, depending

on the number of cables to be installed.

6.6.4 Base heater terminal

This is the output signal for base heater. Output signal ON, when the outdoor temperature

goes down below 2°C, and signal OFF at the outdoor temperature 4°C.

Voltage:

power supply input voltage

cable

(0.82 mm2 (18AWG))

P.C.B.

Base heater *9

CN115

(Black)

*8: Connect to pin 1 and pin 3. No connection pin 2 and pin 4.

*9: The allowable current is 1 A or less.

En-12

7.3. Rotary switch setting

The rotary switch (REF AD) sets the refrigerant circuit address of the outdoor unit. Config-

ure the settings only on the master unit of a refrigerant system.

If multiple refrigerant systems are connected, set the rotary switch (REF AD) as shown in

the table below.

Refrigerant

circuit

address

Rotary

Switch

Setting Setting Setting

range Type of switch

Refrigerant

circuit

address

0–99

Setting

example

REF AD

× 10

REF AD × 1

Rotary Switch (REF AD × 1): Factory setting “0”

Rotary Switch (REF AD × 10): Factory setting “0”

REF AD

×10 ×1

0 0 0

1 0 1

2 0 2

⁞ ⁞ ⁞

98 9 8

99 9 9

7.4. Push button setting

Various functions can be set. Set when necessary.

Perform settings after all indoor units have stopped operation.

Table. A: List of Settings

No Setting Item

7-segment display Factory

default

First 2

digits

Last 2

digits

Pipe length set-

ting (*1)

Standard (40 to 65 m)

0 0

0 0 

Short (less than 40 m) 0 1

Medium (65 to 90 m) 0 2

Long 1 (90 to 120 m) 0 3

Prohibited 0 4

Pipe length means the length between master outdoor unit and the nearest indoor

unit.

10 Prohibited (Factory default) 1 0 0 0 

Cooling capacity

shift (*1)

Normal mode

1 1

0 0 

Save energy mode 0 1

High power mode 1 0 2

High power mode 2 0 3

Prohibited 0 4

Set this item when necessary.

Heating capacity

shift (*1)

Normal mode

1 2

0 0 

Save energy mode 0 1

High power mode 1 0 2

High power mode 2 0 3

Set this item when necessary.

13 Prohibited (Factory default) 1 3 0 0 

14 Prohibited (Factory default) 1 4 0 0 

Switching be-

tween batch stop

or emergency

stop (*1)

Batch stop

2 0

0 0 

Emergency stop 0 1

This mode selects the pattern of the stop function to be operated by the external

input terminal (CN134).

• Batch stop: The stop of all indoor units connected to same refrigerant system

due to input signal coming from CN134.

• Emergency stop: When emergency stop is actuated, the indoor unit does not

accept the operation command from the remote controller. On the other hand,

when the emergency stop is released (no input from CN134), the air conditioner

does not return to the original operation until the indoor unit is turned on by the

remote controller.

Operation mode

selecting method

(*1)

Priority given to the first com-

mand

2 1

0 0 

Priority given to external

input of outdoor unit 0 1

Priority given to administra-

tive indoor unit 0 2

Select the priority setting of the operation mode.

•

Priority given to the first command: Priority is given to the operation mode which is set

first.

• Priority given to external input of outdoor unit: Priority is given to the operation

mode which is set by the external input terminal (CN132).

•

Priority given to administrative indoor unit: Priority is given to the operation mode

of the administrative indoor unit which is set by the wired remote controller.

22 Prohibited (Factory default) 2 2 0 0 

23 Prohibited (Factory default) 2 3 0 0 

24 High static pres-

sure mode

Standard

2 4

0 0 

High static pressure 1

(equivalent to 072/090

model: 30 Pa, 108 model:

40 Pa, 126/144/162 model:

60 Pa)

0 1

25 Prohibited (Factory default) 2 5 0 0 

26 Prohibited (Factory default) 2 6 0 0 

27 Prohibited (Factory default) 2 7 0 0 

28 Prohibited (Factory default) 2 8 0 0 

29 Prohibited (Factory default) 2 9 0 0 

7. FIELD SETTING

CAUTION

Discharge the static electricity from your body before setting up the DIP switches.

Never touch the terminals or the patterns on the parts that are mounted on the PC

board.

7.1. Field setting switches

Remove the service panel of the outdoor unit and the cover of the electrical component

box to access the PC board of the outdoor unit.

PC board switches for various settings and LED displays are shown in the figure.

7.2. DIP switch setting

7.2.1 List of Settings

SET 5 must be set for the DIP switch.

Configure the settings before turning

on the power. Settings for SET 1, SET

2, SET 3 and SET 4 DIP switches are

factory default ones. Do not change

them.

DIP Switch Function

SET 1 1-4 Prohibited

SET 2 1-4 Prohibited

SET 3 1-4 Prohibited

SET 4 1-4 Prohibited

SET 5 1-3 Prohibited

4 Terminal resistor setting

MODE

/NEXT SE LECT E NTE R SET1

SW101

SW102

REF AD

POW ER

MODE ERROR

× 1 0 × 1

SET2

LED 105

LED101

LED102

LED 104

SW111

7-Segment

displays

Push buttons

LED lamp

(green)

LED lamp

(red)

Rotary switches

Outdoor unit PC board

DIP switches

DIP switch (SET 5)

7.2.2 Terminating resistor setting

CAUTION

Be sure to set the terminal resistor according to specifications.

Set the terminal resistor for every network segment (NS).

If terminal resistor is set in multiple devices, the overall communication system may be

damaged.

If terminal resistor is not set in a device, abnormal communication may occur.

• Be sure to set 1 terminal resistor in a network segment. You can set the terminal resistor

at the outdoor unit or signal amplifier.

• When setting the terminal resistor of a signal amplifier, refer to the installation manual of

the signal amplifier.

• When setting multiple terminal resistors, take note of the following items.

(1) How many network segments are there in a VRF system?

(2) Where will you set the terminal resistors in a network segment? (Condition for 1 seg-

ment: Total number of outdoor and indoor units and signal amplifiers is less than 64,

or the total length of the transmission cable is less than 500 m)

(3) How many outdoor units are connected to 1 refrigerant system?

Configure the setting (DIP switch SET 5)

of the terminal resistor of the outdoor units

as shown below from conditions (1) to (3).

SET 5 Terminal

resistor Remarks

OFF Disable —

ON Enable (Factory setting)

Figure: Terminal resistor setting

NS2 (Network

segment 2)

NS3 (Network segment 3) NS4 (Network

segment 4)

NS1 (Network segment 1)

(Set terminal resistor at outdoor units)

Master unit

Refrigerant system 1

Refrigerant system 2

Refrigerant system 3

Terminal resistor: off

Terminal resistor: on

About the setting of

terminal resistor

Outdoor unit

Install

Do not

install

: On

: Off

Signal amplifier

En-13

Energy saving

level setting (*1)

Level 1 (stop)

3 0

0 0 

Level 2

(operated at 40% capacity) 0 1

Level 3

(operated at 60% capacity) 0 2

Level 4

(operated at 80% capacity) 0 3

Level 5

(operated at 100% capacity) 0 4

The capacity limit can be selected by the external input terminal (CN133) when

operating with the “Energy Saving Peak Cut function”.

The lower the level, the more the effect of energy saving, but the cooling/heating

performance will also drop.

31 Prohibited (Factory default) 3 1 0 0 

Capacity priority

setting (in low

noise mode) (*1)

Off (quiet priority)

4 0

0 0 

On (capacity priority) 0 1

If the cooling/heating performance becomes insufficient when the low noise mode

is set, it is possible to set “capacity priority” that automatically cancels the low

noise mode (once performance is restored, the mode will automatically return to

the low noise mode).

41 Low noise mode

setting (*1)

Off (Normal) 4 1 0 0 

On (Low noise mode) 0 1

42 Low noise mode

level setting

Level 1

4 2

0 0 

Level 2 0 1

Prohibited 0 2

52 Prohibited (Factory default) (*4) 5 2 0 0 

53 Prohibited (Factory default) 5 3 0 0 

60 Prohibited (Factory default) 6 0 0 0 

Electricity meter

No. setting 1 (*2)

Setting number (x00)

7 0

0 0 

Setting number (x01) 0 1

······ ··· ···

Setting number (x98) 9 8

Setting number (x99) 9 9

Set the ones digit and tens digit of the No. of the electricity meter connected to

CN135.

Electricity meter

No. setting 2 (*2)

Setting number (0xx)

7 1

0 0 

Setting number (1xx) 0 1

Setting number (2xx) 0 2

Set the hundreds digit of the No. of the electricity meter connected to CN135.

Electricity meter

pulse setting

1 (*3)

Setting number (xx00)

7 2

0 0 

Setting number (xx01) 0 1

······ ··· ···

Setting number (xx98) 9 8

Setting number (xx99) 9 9

Set the ones digit and tens digit of the No. of the electricity meter pulse setting

connected to CN135.

Electricity meter

pulse setting

2 (*3)

Setting number (00xx)

7 3

0 0 

Setting number (01xx) 0 1

······ ··· ···

Setting number (98xx) 9 8

Setting number (99xx) 9 9

Set the hundreds digit and thousands digit of the electricity meter pulse setting

connected to CN135.

90 Prohibited (Factory default) 9 0 0 0 

*1: Do not set this for outdoor units with Slave setting.

*2: When electricity meter No. is set to “000” and “201 to 299”, the pulses input to

CN135 become ineffective. Available setting number is "001" to "200"

*3: When the electricity meter pulse setting is set to “0000”, the pulses input to CN135

become ineffective. Available setting number is "0001" to "9999"

*4: This item is not displayed for 072, 090, and 108 models.

(1) Turn on the power of the outdoor unit and enter standby mode.

• When system is normal

POWER/MODE lamp lights up. (ER-

ROR lamp is off.)

• When system is abnormal

Check the settings as there is an error in the

settings for outdoor unit address

(DIP switch SET 3-1, 2) or number of con-

nected slave units (DIP switch SET 3-3, 4).

MODE

/NEXT SELECT ENTER

POWER

MODE

ERROR

POWER/MODE

lamp: ON

ERROR

lamp: OFF

SELECT button

ENTER button

MODE/EXIT button

7-segment

display: off

MODE

/NEXT SELECT ENTER

POWER

MODE

ERROR

POWER/MODE

lamp: ON

7-segment display:

“-” display

ERROR lamp:

Blinking

(2) Setting method

Use the “MODE/EXIT”, “SELECT”,

and “ENTER” buttons to configure

settings according to the proce-

dures below.

(If no setting is made, the factory

default setting will be displayed.)

: Press the “MODE/EXIT” button

: Press the “SELECT” button

: Press the “ENTER” button.

: Press the “ENTER” button for

more than 3 seconds.

1: Function setting

7-segment LED display (LED 105, LED 104)

(Flashing)

First 2 digits Last 2 digits

(When [F3] to [F9] are displayed, continue to press

the “SELECT” button until [F2] is displayed.)

2: Setting the first

2 digits

3: Setting the last 2 digits

Continue to press the “SELECT” button until the

desired number appears at the last 2 digits.

Every press of the

“SELECT” button will

change the setting

number for the first 2

digits.

(Continue to press the “SE-

LECT” button until the desired

number appears at the last 2

digits.)

Setting is complete when the lamp lights up

Press “ENTER” button to return to “2: Setting the

first 2 digits” (If there is no operation for 5 seconds

after the setting, the display will return to “2: Setting

the first 2 digits”.)

Setting is complete when the lamp lights up

Press “ENTER” button to return to “2: Setting the

first 2 digits” (If there is no operation for 5 seconds

after the setting, the display will return to “2: Setting

the first 2 digits”.)

EXIT: Press the “MODE/EXIT” button to cancel the setting mode.

Produktspezifikationen

Marke:	Fujitsu
Kategorie:	Klimaanlage
Modell:	Airstage AJH144LELBH

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