Fujitsu Airstage AJY108LNTCH Bedienungsanleitung

Fujitsu Klimaanlage Airstage AJY108LNTCH

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Refer to the rating label for the serial number,

manufactured year and month.

OUTDOOR UNIT

AJY072LNTCH

AJY090LNTCH

AJY108LNTCH

AJY126LNTCH

AJY144LNTCH

AJY162LNTCH

AJH072LNTCH

AJH090LNTCH

AJH108LNTCH

AJH126LNTCH

AJH144LNTCH

AJH162LNTCH

INSTALLATION MANUAL

For authorized service personnel only.

PART NO. 9378945609

MADE IN THAILAND

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 impor-

tant 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 cus-

tomer.

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

performed, might lead to the death or serious injury of the

user.

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

other prescribed parts.

Using non-specied parts will cause serious accidents such as falling unit, refriger-

ant leakage, water leakage, electric shock, and re.

Contents

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

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

2. 1. Precautions for using the R410A refrigerant .................................................2

2. 2. Special tools for R410A ................................................................................. 2

2. 3. Accessories ..................................................................................................2

2. 4. Combinations ................................................................................................ 2

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. Transportation the outdoor unit ..................................................................... 5

3. 5. Installation the unit ........................................................................................ 6

4. SYSTEM CONFIGURATION ................................................................................... 6

4. 1. System conguration .................................................................................... 6

4. 2. Pipe selection................................................................................................ 7

4. 3. Downsizing of pipe diameter ......................................................................... 8

4. 4. Protection of pipes ........................................................................................ 9

5. PIPE INSTALLATION ...............................................................................................9

5. 1. Brazing ..........................................................................................................9

5. 2. Indoor unit pipe connections ......................................................................... 9

5. 3. Piping method ............................................................................................... 9

5. 4. Multiple connections ................................................................................... 10

6. ELECTRICAL WIRING ........................................................................................... 12

6. 1. The precautions of electrical wiring ............................................................. 12

6. 2. Wiring method ............................................................................................. 12

6. 3. Knockout hole ............................................................................................. 13

6. 4. Selecting power supply cable and breaker ................................................. 13

6. 5. Transmission line ........................................................................................ 13

6. 6. Wiring procedure......................................................................................... 14

6. 7. External input and external output .............................................................. 15

7. FIELD SETTING .................................................................................................... 16

7. 1. Field setting switches .................................................................................. 16

7. 2. DIP switch setting .......................................................................................16

7. 3. Rotary switch setting ................................................................................... 17

7. 4. Push button setting ..................................................................................... 18

7. 5. Signal amplier address setting .................................................................. 20

7. 6. Indoor unit address setting .......................................................................... 20

7. 7. Resistance measurement of transmission cable

(Measure with breaker OFF) ....................................................................... 21

8. PIPE INSTALLATION II ..........................................................................................21

8. 1. Sealing test ................................................................................................. 21

8. 2. Vacuum process ......................................................................................... 21

8. 3. Additional charging ..................................................................................... 22

8. 4. Installing insulation ...................................................................................... 23

9. TEST RUN ............................................................................................................. 23

9. 1. Pre-test run check items ............................................................................. 23

9. 2. Test operation method ................................................................................ 23

9. 3. Checklist .....................................................................................................24

10. LED STATUS ......................................................................................................... 24

10. 1. Normal operation codes ..............................................................................24

10. 2. Error codes ................................................................................................. 24

11. INFORMATION ...................................................................................................... 25

INSTALLATION MANUAL

PART NO. 9378945609

VRF system outdoor unit

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

materials that have been manufactured specically 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 re.

Do not use this equipment with air or any other unspecied refrigerant in the refrig-

erant 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 re, it will create a hazardous gas.

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

person certied under the national or regional regulations. Be sure to use a dedi-

cated circuit for the unit.

An insufcient power supply circuit or improperly performed electrical work can

cause serious accidents such as electric shock or re.

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

overheating the terminals, electric shock, or re.

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 re.

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

If the refrigerant leaks into the room and becomes exposed to a source of re 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 specied power cable. Poor connection, poor insulation, and exceeding the

allowable current will lead to electric shock and re

Attach the connecting cables securely to the terminal. Or secure it rmly with a "wir-

ing suppressor".

Loose connection will lead to malfunction, electric shock, and re.

Install a breaker to cut off all AC main current at the same time.

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

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

run the compressor.

Do not operate the compressor under the condition of refrigerant piping not at-

tached properly with 2-way or 3-way valve open. This may cause abnormal pres-

sure in the refrigeration cycle that leads to rupture and even injury.

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 breakage and even injury.

If there is a possibility of touching the fan during maintenance, make sure to turn

OFF the power before implementing the maintenance. Even if operations are

suspended, the fan of outdoor unit sometimes rotates, so if the fan rotates suddenly

while in contact with you may cause serious injury.

CAUTION

This mark indicates procedures which, if improperly

performed, might possibly result in personal harm to the

user, or damage to property.

This unit must be installed by qualied personnel with a capacity certicate for

handling refrigerant uids. 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

personnel to repairs.

When moving, consult authorized service personnel for disconnection and installa-

tion of the unit.

• Obtain the distribution network operator's agreement about the power capacity

of the power supply system, specication of the cable and the harmonic current,

and etc. when you connect the outdoor unit with the power supply.

• This unit must be connected to a power supply with impedance of 0.33 ohm and

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

power supplier.

• This product is intended for professional use.

Be sure to use a dedicated power circuit.

Never use a power supply shared by another appliance.

En-2

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 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 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

refrigerant leakage.

• Area containing equipment that generates electromagnetic interference.

It will cause the control system to malfunction, preventing the unit from oper-

ating normally.

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

bers or ammable dust, or volatile inammables such as paint thinner or

gasoline.

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

• 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 wire to a gas pipe, water pipe, lightning

rod, or a telephone ground wire. 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,

wetting the furniture.

Do not touch the ns with bare hands.

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

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

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

This product is not intended to be used by people (including children) with physical,

sensory or mental disability, or persons lacking experience or knowledge unless

they have been given by the through a person responsible for their safety, supervi-

sion or instruction concerning the use of the device.

2. ABOUT THIS PRODUCT

2. 1. Precautions for using the 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 are

nuts with the R410A piping and are nuts.

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

to prevent 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 composi-

tion 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 (R22) gauge. To prevent erroneous mixing of other

refrigerants, 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.

Tool name Contents of change for R22 tool

Vacuum pump

A conventional (R22) vacuum pump can be used by install-

ing 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 ow into the sys-

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

(5 Ton, -755mmHg).

Gas leakage detec-

tor 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

Specications

manual

—

Installation

manual

(This book)

Joint pipe A

For connecting gas pipe

(Straight type)

Joint pipe B

For connecting gas pipe

(L type)

Cable tie

For binding power cable and transmis-

sion cable

Strainer

For connecting gas pipe

Grommet edging

For power supply cable and connec-

tion cable installation.

Attach to the knockout hole.

2. 4. Combinations

A maximum of 3 outdoor units can be connected to 1 refrigerant system.

The combination of outdoor units per refrigerant system and the number of indoor units

that can be connected are as follows:

Outdoor Unit

Model Nominal System Capacity (HP)

AJ 072LNTCH 8

AJ 090LNTCH 10

AJ 108LNTCH 12

AJ 126LNTCH 14

AJ 144LNTCH 16

AJ 162LNTCH 18

Installation space combination

* *

Combination (HP) 8 10 12 16 1814 20 26 28 2822 24 30 32

Outdoor Unit 1 (HP) 8 10 12 16 18 10 16 18 16 1614 14 14 14

Outdoor Unit 2 (HP) ― ― ― ― ― ― 10 8 10 10 10 1614 14

Outdoor Unit 3 (HP) ― ― ― ― ― ― ― ― ― ― ― ― ― ―

Maximum Connect-

able Indoor Unit 13 16 19 23 26 29 4733 36 40 43 46 50 53

* * * * * * * *

Combination (HP) 34 34 44 52 5436 36 38 38 40 42 46 48 50

Outdoor Unit 1 (HP) 18 18 16 18 16 16 18 18 16 18 18 1814 14

Outdoor Unit 2 (HP) 16 10 18 10 10 16 16 18 16 16 18 1814 14

Outdoor Unit 3 (HP) ― ―10 10 10 10 10 10 10 10 16 16 16 18

Maximum Connect-

able Indoor Unit 55 55 55 55 55 55 55 55 55 55 55 55 55 55

* Not available for sale in some regions

When connecting outdoor units, install the outdoor unit with the largest nominal system

capacity nearest to the refrigerant pipe and indoor unit, followed by those with lesser

nominal system capacities. (Outdoor unit 1 ≥ Outdoor unit 2 ≥ Outdoor unit 3)

Produktspezifikationen

Marke:	Fujitsu
Kategorie:	Klimaanlage
Modell:	Airstage AJY108LNTCH

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