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Fujitsu Splitter AUGA25FRTA-B

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PART No. 9381798087

AIR CONDITIONER

INDOOR UNIT (Cassette Type)

INSTALLATION MANUAL

For authorized service personnel only.

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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 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 Indicates a potentially or imminently hazardous situation which,

if not avoided, could result in death or serious injury.

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

sional 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re.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re.

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

isexposedtoadirectameitmayproduceatoxicgas.

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

ant lines. Excess pressure can cause a rupture.

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

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

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.

CAUTION Indicates a potentially hazardous situation that may result in

minor or moderate injury or damage to property.

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 instal-

lation, 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nsoftheheatexchanger.Touchingtheheatexchangernscould

resultindamagetothensorpersonalinjurysuchasskinrupture.

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 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 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.

2. ABOUT THIS PRODUCT

2. 1. Special tools for R410A

Tool name Change from R22 to R410A

Gauge manifold

Pressure is high and cannot be measured with a R22

gauge. To prevent erroneous mixing of other refrigerants,

the diameter of each port has been changed.

It is recommended to use 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. (R410A)

Vacuum pump

A conventional vacuum pump can be used by installing a

vacuum pump adapter.

(Use of a vacuum pump with a series motor is prohibited.)

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 neces-

sary to choose adequate materials.

WARNING

•UsespeciedR410Apipingonly.Forindoorunits,useR410Aarelessjointnutassy

only.Foroutdoorunits,useR410Aarenutsonly.

Useofpipes,arelessnutsorarenutsotherthanspecied,maycauseproduct

malfunction, burst piping, or injury due to high internal pressure of the refrigerant cycle

causedbyanyinowair.

•Use(rellorreplacewith)speciedrefrigerant(R410A)only.Useofunspeciedrefrig-

erant can cause product malfunction, burst, or injury.

•Donotmixanygasorimpuritiesexceptspeciedrefrigerant(R410A).Inowofairor

applicationofunspeciedmaterialmakestheinternalpressureoftherefrigerantcycle

too high, and may cause product malfunction, burst of piping, or injury.

2. 2. 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re.

•The following installation parts are furnished. Use them as required.

•Keep the installation manual in a safe place and do not discard any other accessories

until the installation work has been completed.

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

2. ABOUT THIS PRODUCT ………………………………………………………………… 1

2.1. Special tools for R410A …………………………………………………………… 1

2.2. Accessories ………………………………………………………………………… 1

2.3. Optional parts ……………………………………………………………………… 2

3. GENERAL SPECIFICATION …………………………………………………………… 2

3.1. Selecting the pipe material ………………………………………………………… 2

3.2. Pipe requirement …………………………………………………………………… 2

3.3. Electrical requirement ……………………………………………………………… 3

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

4.1. Selecting an installation location ………………………………………………… 3

4.2. Installation dimension ……………………………………………………………… 3

4.3. Installing the unit …………………………………………………………………… 3

4.4. Installing the drain pipe …………………………………………………………… 4

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

5.1. Flare connection (pipe connection) ……………………………………………… 5

5.2. Installing heat insulation …………………………………………………………… 6

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

6.1. Wiring method ……………………………………………………………………… 7

7. CASSETTE GRILLE INSTALLATION …………………………………………………… 8

8. FUNCTION SETTING …………………………………………………………………… 8

8.1. Preparation ………………………………………………………………………… 8

8.2. Entering the function setting mode ……………………………………………… 8

8.3. Selecting the function number and setting value ……………………………… 8

8.4. Function Details …………………………………………………………………… 8

9. SPECIAL INSTALLATION METHODS ………………………………………………… 9

9.1. Setting the address ………………………………………………………………… 9

9.2. Setting the DIP switch …………………………………………………………… 10

9.3. Group control …………………………………………………………………… 10

10. OPTION AND OTHER CONNECTABLE DEVICES ………………………………… 10

10.1. Optional parts …………………………………………………………………… 10

10.2. Wired remote controller ………………………………………………………… 10

10.3. External input and output ……………………………………………………… 11

11. CHECK LIST …………………………………………………………………………… 12

12. TEST RUN ……………………………………………………………………………… 12

13. CUSTOMER GUIDANCE ……………………………………………………………… 12

14. ERROR CODES ……………………………………………………………………… 12

INSTALLATION MANUAL

PART No. 9381798087

Indoor Unit (Cassette Type)

Contents

Note: This manual describes how to install the air conditioner described above. Handling

and installation shall only be done by professionals as outlined in this manual.

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Name and Shape Q’ty Description

Installation manual

(This book)

Template

(Carton top) 1

For installing indoor unit

Washer

For installing indoor unit

Coupler heat insulation (Large)

For indoor side pipe joint (Gas pipe)

Coupler heat insulation (Small)

For indoor side pipe joint

(Liquid pipe)

Insulation

For installing drain pipe

Drain hose

For installing drain pipe

VP25 (O.D.32, I.D.25)

Hose Band

For installing drain hose

Drain hose heat insulation

For installing drain pipe

Cable tie (Large)

Forconnectionpipexing.

Cable tie (Small)

For optional remote controller.

2. 3. Optional parts

Parts name Model No. Summary

Wired Remote Controller UTY-RNR*Z* For air conditioner operation

(2-wire type)

Wired Remote Controller UTY-RNN*M For air conditioner operation

(3-wire type)

Wide panel UTG-AKXA-W

Wide panel hides the gap

between the ceiling hole and

the Cassette grille.

Panel spacer UTG-BKXA-W

Installation in a space of 56

mm or greater is possible by

using panel spacer when the

height behind the ceiling is low.

Air outlet shutter plate UTR-YDZK

Install the plate at outlet when

carrying out 3-way direction

operation

Insulation kit for High

humidity UTZ-KXRA

Install when the condition

under the roof is over 80%

in humidity and over 30°C in

temperature.

External input and output

PCB UTY-XCSX For connecting external

devices

External input and output

PCB box UTZ-GXRA For installing the External input

and output PCB

External connect kit UTY-XWZXZG For control output port

Communication kit UTY-TWRXZ1 For wired remote controller

(2-wire type)

3. GENERAL SPECIFICATION

3. 1. Selecting the pipe material

CAUTION

Do not use existing pipes.

Use pipes that have clean external and internal sides without any contamination which

may cause trouble during use, such as sulfur, oxide, dust, cutting waste, oil, or water.

It is necessary to use seamless copper pipes.

Material : Phosphor deoxidized seamless copper pipes

It is desirable that the amount of residual oil is less than 40 mg/10 m.

Do not use copper pipes that have a collapsed, deformed, or discolored portion (es-

pecially on the interior surface). Otherwise, the expansion valve or capillary tube may

become blocked with contaminants.

Improper pipe selection will degrade performance. As an air conditioner using R410A in-

curs pressure higher than when using conventional refrigerant, 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 those indicated in the table even if they are available

on the market.

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

6.35 (1/4) 0.8

9.52 (3/8) 0.8

12.70 (1/2) 0.8

15.88 (5/8) 1.0

19.05 (3/4) 1.2

3. 2. Pipe requirement

CAUTION

Refer to the installation manual of the outdoor unit for description of the length of con-

necting pipe or for difference of its elevation.

Type Diameter [mm (in.)]

Liquid Gas

25 6.35 (1/4) 15.88 (5/8)

• Use pipe with water-resistant heat insulation.

CAUTION

Install heat insulation around both the gas and liquid pipes. Failure to do so may

cause water leaks.

Use heat insulation with heat resistance above 120 °C. (Reverse cycle model only)

In addition, if the humidity level at the installation location of the refrigerant piping is

expected to exceed 70 %, install heat insulation around the refrigerant piping.

If the expected humidity level is 70-80 %, use heat insulation that is 15 mm or thicker

and if the expected humidity exceeds 80 %, use heat insulation that is 20 mm or

thicker.Ifheatinsulationisusedthatisnotasthickasspecied,condensationmay

form on the surface of the insulation.

In addition, use heat insulation with heat conductivity of 0.045 W/(m·K) or less (at 20 °C).

Produktspecifikationer

Varumärke:	Fujitsu
Kategori:	Splitter
Modell:	AUGA25FRTA-B
Färg på produkten:	Wit
Uppvärmningsfunktion:	Ja
Avfrostningsfunktion:	Ja
Husmaterial:	Kunststof
Tillgångar:	850 W
Antal skivor:	2 snede(n)
Stopp/avbryt-knapp:	Ja
Avtagbar smulbricka:	Ja
Indikator ljus:	Ja
Antal lås:	2
Elektronisk bryningskontroll:	Ja
Smörgåsställ:	Ja
Lång slits:	Nee
Värmeställ:	Ja
AC-ingångsspänning:	220-240 V
AC-ingångsfrekvens:	50 - 60 Hz