Fujitsu ASGA18FUTC-B Guide d'installation

Marque: Fujitsu

Modèle: ASGA18FUTC-B

Catégorie: Climatiseurs split-system

Taper: Guide d'installation

Ce manuel convient également à

En-1

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.

1. SAFETY PRECAUTIONS

Be sure to read this manual thoroughly before installation.

The warnings and precautions indicated in this manual contain important informa-

tion 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 repair-

ing the product.

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 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 fire. If the product is installed in

disregard of the instructions in this Manual, it will void the manufacturer’s warranty.

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

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

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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 installing place.

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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

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).

The product is not explosion proof, and therefore should not be installed in explosive

atmosphere.

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 of the property.

2. ABOUT THIS PRODUCT

2.1. Precautions for using R410A refrigerant

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

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

to prevent 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 refrigerant

Tool name Changes

Gauge manifold

Pressure is high and cannot be measured with a conventional

(R22) gauge. To prevent erroneous mixing of other refriger-

ants, the diameter of each port has been changed.

It is recommended to use 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 re-

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

or discoloured 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.

AIR CONDITIONER

INDOOR UNIT (Wall Mounted Type)

INSTALLATION MANUAL

PART No. 9387082241

For authorized service personnel only.

Refer to the rating label with the serial number.

Contents

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

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

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

4. SELECTING THE INSTALLATION LOCATION ................................ 3

5. INSTALLATION WORK .................................................................... 3

6. ELECTRICAL WIRING ..................................................................... 5

7. FINISHING........................................................................................6

8. FRONT PANEL REMOVAL AND INSTALLATION ........................... 7

9. REMOTE CONTROLLER INSTALLATION ....................................... 7

10. OPTIONAL KIT INSTALLATION ....................................................... 8

11. FUNCTION SETTING...................................................................... 8

12. CHECK LIST ..................................................................................... 9

13. TEST RUN ........................................................................................ 9

14. CUSTOMER GUIDANCE ................................................................. 9

15. ERROR CODES ............................................................................ 10

English

En-2

CONNECTION PIPE REQUIREMENT

WARNING

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If the existing materials are used, the pressure inside the refrigerant cycle will rise

and cause failure, injury, etc. (Use the special R410A materials.)

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

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

to an abnormally high value and cause failure, injury, etc.

2.3. Accessories

The following installation accessories are supplied. Use them as required.

Name and Shape Q’ty Name and Shape Q’ty

Operating Manual

Remote controller

holder

Installation Manual

Insulation (Drain hose)

6SHFL¿FDWLRQ0DQXDO

Cloth tape

Wall hook bracket

Tapping screw (large)

Remote controller

Tapping screw (small)

Battery

2.4. Optional parts

Refer to each installation manual for the method of installing optional parts.

Parts name Model No. Application

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

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External connect kit* UTY-XWZXZ5 For control input/output port

Communication kit UTY-XCBXZ3

For the installation of optional

parts

* Optional communication kit is necessary for the installation.

2.5. Additional materials required for installation

The following items are necessary to install this air conditioner. (The items are not includ-

ed with the air conditioner and must be purchased separately.)

Name

Connection pipe assembly Saddle

Connection cable Drain hose

Wall pipe Tapping screws

Decorative tape Sealant

Vinyl tape M10 bolt, nut

Wall cap

3. GENERAL SPECIFICATION

This Installation manual briefly outlines where and how to install the air conditioning

system. Please read over the entire set of instructions for the indoor and outdoor units and

make sure all accessory parts listed are with the system before beginning.

3.1. Type of copper pipe and insulation material

CAUTION

Refer to the installation manual for the outdoor unit for description of allowable pipe

length and height difference.

Diameter

Liquid pipe Gas pipe

30/36 type 9.52 mm (3/8 in.) 15.88 mm (5/8 in.)

18/24 type 6.35 mm (1/4 in.) 15.88 mm (5/8 in.)

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.

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surface of the insulation. In addition, use heat insulation with heat conductivity of

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3.2. Electrical requirement

The indoor unit is powered from the outdoor unit or branch box. Do not power indoor unit

from separate power source.

WARNING

Refer to local codes for acceptable cable type.

Cable

Cable size (mm

)

Type

Remarks

Connection cable

1.5 ~ 2.5 Type 60245 IEC 57

*Refer to “Outdoor unit installation

manual”

Max. Cable Length: Limit voltage drop to less than 2%. Increase cable gauge if voltage

drop is 2% or more.

 Before starting work check that power is not being supplied to all poles of the indoor

unit and outdoor unit.

 Install all electrical works in accordance to standard.

 Install the disconnect device with a contact gap of at least 3mm in all poles nearby the

units. (Both indoor unit and outdoor unit)

 Wiring size must comply with the applicable local and national code.

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4. SELECTING THE INSTALLATION LOCATION

Decide the mounting position with the customer as follows:

WARNING

Select installation locations that can properly support the weight of the indoor unit

and which will not amplify sound or vibration. If the installation location is not strong

enough, the indoor unit may fall and cause injuries.

Install the units securely so that they do not topple or fall.

CAUTION

Do not install the unit in the following areas:

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

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such as a kitchen.

It will deteriorate plastic parts, causing the parts to fail or the unit to leak water.

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sulphuric gas, chlorine gas, acid, or alkali.

It will cause the copper pipes and brazed joints to corrode, which can cause

refrigerant leakage.

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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.

Do not install where there is the danger of combustible gas leakage.

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Install the unit where drainage does not cause any trouble.

Install the unit where ambient temperature does not reach 60°C or more. Take a

measure such as ventilation for an environment in which heat is retained.

If children under 10 years old may approach the unit, take preventive measures so

that they cannot reach the unit.

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(1) Install the indoor unit level on a strong wall which is not subject to vibration.

(2) The inlet and outlet ports should not be obstructed: the air should be able to blow all

over the room.

(3) Install the unit at a place near an power outlet or special branch circuit.

(4) Do not install the unit where it will be exposed to direct sunlight.

(5) Install the unit where connection to the outdoor unit is easy.

(6) Install the unit where the drain pipe can be easily installed.

(7) Take servicing, etc. into consideration and leave the spaces shown in “5.1. Installation

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installed.

5. INSTALLATION WORK

5.1. Installation dimensions

(Wall cap)

1.5 m or over

60 mm or over**

80 mm or over*

Wall hook bracket

130 mm

or over**

1.8 m or over

* The distance between the wall hook

bracket and the ceiling should be

80 mm or more.

** The side next to the sidewall must

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5.2. Indoor unit piping direction

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nected in direction (B), (C), (D) or (E), cut along the piping groove in the side of the front

panel with a hacksaw.

(B) Right

outlet

(A) Rear

outlet

(D) Left bottom

outlet

(E) Left

outlet

(Rear)

(F) Centre

outlet

(G) Left rear

outlet

5.3. Cutting the hole in the wall for the connecting pipes

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(2)

When cutting the wall hole at the inside of the wall hook bracket, cut the hole to a point of

intersection of centre marks.

When cutting the wall hole at the outside of the wall hook bracket, cut the hole at a

point of 10 mm below.

(3) Cut the hole so that the outside end is lower (5 to 10 mm) than the inside end.

(4) Always align the centre of the wall hole. If misaligned, water leakage will occur.

(5) Cut the wall pipe to match the wall thickness, stick it into the wall cap, fasten the cap

with vinyl tape, and stick the pipe through the hole.

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freely.

Wall hook bracket

Centring marks

LowerLower

10 mm

or more

80 mm hole

10 mm

or more

Fasten with vinyl tape

5~10 mm

Wall pipe

(Field supply)

Wall cap

(Field supply)

(Inside)

(Outside)

Wall

80 mm hole

WARNING

If the wall pipe is not used, the cable interconnecting the indoor unit(s) and outdoor unit

or branch box may touch metal and cause electric discharge.

5.4. Installing the wall hook bracket

(1) Install the wall hook bracket so that it is correctly positioned horizontally and vertically.

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(2) Install the wall hook bracket so that it is strong enough to support the weight of the

unit.

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Fasten the wall hook bracket to the wall with 6 or more screws through the holes near the

outer edge of the bracket

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Wall hook bracket

Tapping screw (large)

(Accessory, 8 pcs)

CAUTION

Install the wall hook bracket by levelling, both horizontally and vertically.

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5.5. Forming the drain hose and pipe

CAUTION

Insert drain hose and drain cap securely. Drain should slope down to avoid water

leakage.

When inserting the drain hose, no other material than water should be applied.

Application of other material will cause deterioration of the hose, and may cause water

leakage.

When you remove the drain hose, be sure to attach the drain cap.

When you secure the piping and drain hose with tape, arrange the drain hose so that it

is placed under the piping.

For drain hose piping in low temperature environment, you need to apply protection to

prevent a frozen drain hose.

In low temperature environment (when outdoor temperature is under 0 °C), water in

the drain hose could be frozen after cooling operation. Frozen drain water will block the

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[Rear piping, Right piping, Bottom piping]

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pipe together with vinyl tape.

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Right piping

Bind with vinyl tape

Indoor unit drain hose

(bottom)

Pipe (top)

Rear piping

Bottom piping

[For Left rear piping, Left piping]

Interchange the drain cap and the drain hose.

Drain cap

Indoor unit

drain hose

Remove the drain cap by pull-

ing at the projection at the end

of the cap with pliers, etc.

For left outlet piping, cut

off the piping outlet cutting

groove with a hacksaw.

CAUTION

Insert the drain hose and drain cap into the drain port, making sure that it comes

in contact with the back of the drain port, and then mount it. If the drain hose is not

connected properly, leaking will occur.

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the connection pipe.

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than 35 mm from the wall.

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on the hooks at the top and bottom of the wall hook bracket.

Wall hook

bracket

Alignment marks

Small piping

Connection

piping

Large piping

Top hooks

Indoor

unit

(Fitting)

Bottom hooks

Wall hook

bracket

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2 bottom hooks while lowering the unit and pushing it against the wall.

[Installing the indoor unit]

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of the wall hook bracket.

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the wall hook bracket and separate the bottom of

the indoor unit from the wall.

5.6. Pipe connection

WARNING

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5.6.1. Flaring

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(1) Cut the connection pipe to the necessary length with a pipe cutter.

(2) Hold the pipe downward so that cuttings will not enter the pipe and remove any burrs.

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(4) Protect the pipes by pinching them or with tape to prevent dust, dirt, or water from

entering the pipes.

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and is not cracked or scratched.

Pipe

Die

Pipe outside

diameter

[mm (in.)]

Dimension A [mm]

Dimension B

- 0.4

[mm]

Flare tool for R410A,

clutch type

6.35 (1/4)

0 to 0.5

9.1

9.52 (3/8) 13.2

15.88 (5/8) 19.7

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Width

across

ÀDWV

Pipe outside

diameter [mm (in.)]

:LGWKDFURVVÀDWV

of Flare nut [mm]

6.35 (1/4) 17

9.52 (3/8) 22

15.88 (5/8) 29

5.6.2. Bending pipes

CAUTION

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

curvature of 150 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 in an angle more than 90°.

 When pipes are repeatedly bend or stretched, the material will harden, making it

GLI¿FXOWWREHQGRUVWUHWFKWKHPDQ\PRUH

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

 When bending the pipe, do not bend it

as is. The pipe will be collapsed. In this

case, cut the insulating pipe with a sharp

cutter as shown on the right, and bend

it after exposing the pipe. After bending

the pipe as you want, be sure to put the

heat insulating pipe back on the pipe,

and secure it with tape.

Pipe

Insulating

Pipe

Cutter

Cut line

Indoor unit

Wall hook bracket

(Spacer)

En-5

WARNING

Be sure to perform the earthing (grounding) work.

Do not connect earthing (grounding) wires to a gas pipe, water pipe, lightning rod or

earthing (grounding) wire for a telephone.

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 Connection to a water pipe is not an effective earthing (grounding) method if PVC

pipe is used.

 Connection to the earthing (grounding) wire of a telephone or to a lightning rod may

cause a dangerously abnormal rise in the electrical potential if lightning strikes.

Improper earthing (grounding) work can cause electric shocks.

Securely install the electrical box cover on the unit. An improperly installed service panel

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water.

CAUTION

The primary power supply capacity is for the air conditioner itself, and does not include

the concurrent use of other devices.

Do not start operation until the refrigerant is charged completely. The compressor will

fail if it is operated before the refrigerant piping charging is complete.

Be sure not to remove thermistor sensor etc. from power wiring and connection wiring.

Compressor may fail if operated while removed.

Start wiring work after closing branch switch and over current breaker.

When using an earth leakage breaker that has been designed solely for earth (ground)

fault protection, be sure to install a fuse-equipped switch or circuit breaker.

Do not connect the AC power supply to the transmission line terminal board. Improper

wiring can damage the entire system.

If the temperature surrounding the breaker is too high, the amperage at which the

breaker cuts out may decrease.

[Heat & Cool model (Reverse cycle)]

Connection cable

Terminal block

To outdoor unit

[Cooling model]

Connection cable

Terminal block

To outdoor unit

5.6.3. Pipe connection

CAUTION

Be sure to Install the pipe against the port on the indoor unit correctly. If the centring

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threads will be damaged.

Do not remove the flare nut from the indoor unit pipe until immediately before

connecting the connection pipe.

Hold the torque wrench at its grip, keeping it in the right angle with the pipe, in order to

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In order to prevent water from leaking into the control box, make sure that the piping is

well insulated.

Tighten with two wrenches.

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Flare nut

Torque wrench

Indoor unit

pipe

Connection pipe

To prevent gas leakage,

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with refrigerator oil.

Flare nut tightening torque

Flare nut Tightening torque

6.35 mm (1/4 in.) 16 to 18 N · m (160 to 180 kgf · cm)

9.52 mm (3/8 in.) 32 to 42 N · m (320 to 420 kgf · cm)

15.88 mm (5/8 in.) 63 to 75 N · m (630 to 750 kgf · cm)

Do not remove the cap from the connection pipe before connecting the pipe.

6. ELECTRICAL WIRING

6.1. Wiring system diagram

WARNING

Before connecting the wires, make sure the power supply is OFF.

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Install a breaker at the power supply. Improper breaker selection can cause electric

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Install a leakage circuit breaker in accordance with the related laws and regulations.

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

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A circuit breaker is installed in the permanent wiring. Always use a circuit that can trip

all the poles of the wiring and has an isolation distance of at least 3 mm between the

contacts of each pole.

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E\SRRUFRQQHFWLRQLQVXI¿FLHQWLQVXODWLRQRURYHUFXUUHQW

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

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Connect the connector cable securely to the terminal. Check no mechanical force bears

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abnormal overheating may be produced and possibly cause serious damage inside the

unit.

Make sure to secure the insulation portion of the connector cable with the cable clamp.

Damaged insulation can cause a short circuit.

Fix cables so that cables do not make contact with the pipes (especially on high

pressure side). Do not make power supply cable and transmission cable come in

contact with valves (Gas).

Never install a power factor improvement condenser. Instead of improving the power

factor, the condenser may overheat.

En-6

6.2. Indoor unit wiring

(1) Open the intake grille. Remove the tapping screw for the wire cover and remove the

wire cover.

Screw

Wire cover

(2) Remove the tapping screw and while minding the cable clamp hook, remove the cable

clamp.

Screw

Cable clamp

Hook

(3) Connect the end of the connection cable fully into the terminal block.

[Heat & Cool model (Reverse cycle)]

25 mm

65 mm

Earth (ground) wire

[Cooling model]

123

25 mm

65 mm

Earth (ground) wire

6.3. How to connect wiring to the terminals

Caution when wiring cable

When stripping off the insulation of a lead wire, always use a special tool such as a wire

stripper. If there is no special tool available, carefully strip the insulation with a knife etc.

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the terminal block.

(2) Securely clamp the Ring terminals to the wires using an appropriate tool so that the

wires do not come loose.

Strip : 10 mm

Sleeve

Ring terminal

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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.

Wire

Screw with

special washer

Screw with

special washer

Ring

terminal

Ring

terminal

Terminal blocks

Wire

(6) See the table for the terminal

screw tightening torques.

Tightening torque [N·m (kgf·cm)]

M4 screw 1.2 to 1.8 (12 to 18)

CAUTION

Match the terminal block numbers and connection cable colours with those of the

outdoor unit or branch box.

Erroneous wiring may cause burning of the electric parts.

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FDXVHD¿UH

Always fasten the outside covering of the connection cable with the cable clamp.

(If the insulator is chafed, electric discharge may occur.)

Always connect the earth (ground) wire.

Do not use the earth (ground) screw of the indoor unit for the connection other than a

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]1]1

7. FINISHING

(1) Insulate between pipes. (Varies upon direction of the piping as shown in “5.2. Indoor

unit piping direction”)

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For (A) Rear, (B) Right, and (C) Bottom piping:

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bind them with vinyl tape so that there is no gap.

For (D) Left bottom, (E) Left, (F) Centre and (G) Left rear piping:

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and bind them with and vinyl tape so that there is no gap.

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(2) Temporarily fasten the connection cable along the connection pipe with vinyl tape.

(Wrap to about 1/3 the width of the tape from the bottom of the pipe so that water

does not enter.)

(3) Fasten the connection pipe to the outside wall with saddles, etc.

(4)

Fill the gap between the outside wall pipe hole and the pipe with sealer so that rain

water and wind cannot blow in.

(5) Fasten the drain hose to the outside wall, etc.

Overlap the insulation

Bind the pipes together so

that there is no gap.

Connection pipe

(heat insulation)

Vinyl tape

Indoor unit pipe

(heat insulation)

Wrap with cloth tape

Pipe

Drain hose

Cloth tape

En-7

8.2. Front panel installation

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sides, 5 middles)

Front panel

Top hooks

(3 position)

Top holes (3 position)

Indoor unit

Middle hooks

(5 position)

Middle hooks

(5 position)

(2) Attach the 10 screws.

(3) Attach the wire cover.

(4) Attach the 4 caps.

(5) Attach the intake grille.

CAUTION

Install the front panel and INTAKE GRILLE securely. If installation is imperfect, the front

panel or INTAKE GRILLE may fall off and cause injury.

9. REMOTE CONTROLLER INSTALLATION

CAUTION

Check that the indoor unit correctly receives the signal from the remote controller, then

install the remote controller holder.

Select the remote controller holder selection site by paying careful attention to the

following:

Avoid places in direct sunlight.

Select a place that will not be affected by the heat from a stove, etc.

9.1. Remote controller holder installation

 Install the remote controller a maximum distance of 7 m from the remote control re-

ceiver. However, when installing the remote controller, check that it operates correctly.

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remote controller

KROGHU¿[LQJ

Remote

controller holder

Tapping screw

(small)

remote controller

mounting

Remote

controller

Slide

Set

Example of left piping

Connection

cable

Pipe

Drain hose

Example of left rear piping

Connection cable

Wall pipe

Connection pipe

Drain hose

*Field supply

Pipe

Saddle*

Outside wall cap*

Sealer putty*

(Outdoors)

Wall

Check the following:

GOOD

Lifted up

Saddle

Wave End in water

PROHIBITED

Drain hose

8. FRONT PANEL REMOVAL AND INSTALLATION

Intake grill removal Intake grill installation

Open the intake

grille. While gently

pressing the left

and right mounting

shafts of the intake

grille outward “a”,

remove the intake

grille in direction of

the arrow “b”.

While holding the

grille horizontal, set

the left and right

mounting shafts into

the pillow blocks at

the top of the panel

“c”.

To latch each shaft

properly, insert the

shaft until it snaps.

Press 4 places on

the intake grille to

close it completely.

8.1. Front panel removal

(1) Remove intake grille (Reference the intake grille removal.)

(2) Remove 4 caps.

(3) Remove wire cover.

(4) Remove 10 screws.

Screws (Wire cover)

Screws (10 position)

Caps (4 position)

Wire cover

NOTE : When replacing the front panel, do not scratch or damage the louver.

(5) The front panel is pulled to the front, raising the upper surface, then the front panel is

removed.

Front panel

En-8

10. OPTIONAL KIT INSTALLATION

This air conditioner can be connected with the following optional kits.

 :LUHGUHPRWHFRQWUROOHU

 ([WHUQDOFRQQHFWNLW

11. FUNCTION SETTING

Perform the “FUNCTION SETTING” according to the installation conditions using the

remote controller.

CAUTION

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according to the installation conditions. Incorrect settings can cause the indoor unit to

malfunction.

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installation conditions using the remote controller.

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Value.

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remote controller (option) is used.

Entering the Function Setting Mode

While pressing the POWERFUL COOLING button and MODE button simultaneously,

press the RESET button to enter the function setting mode.

STEP 1

Selecting the Remote Controller Custom Code

Use the following steps to select the custom code of the

remote controller. (Note that the air conditioner cannot

receive a signal if the air conditioner has not been set for

the custom code.)

The custom codes that are set through this process are ap-

plicable only during the FUNCTION SETTING process. For

details on how to set the custom codes through the normal

process, refer to “Remote controller custom code setting”.

(1)

Press TEMP. ( ) ( ) buttons to change the custom

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display to the air conditioner custom code (initially set

to A). (If the custom code does not need to be selected,

press the MODE button and proceed to STEP 2.)

(2)

Press the START/STOP button and check that the indoor

unit can receive signals at the displayed custom code.

(3)

Press the MODE button to accept the custom code, and

proceed to STEP 2.

STEP 2

Selecting the Function Number and Setting Value

(1)

Press the TEMP. ( ) ( ) buttons to select the function number. (Press the FAN (-)

button to switch between the left and right digits.)

(2)

Press the FAN (+) button to proceed to setting the

value. (Press the FAN (+) button again to return to

the function number selection.)

(3)

Press the TEMP. ( ) ( ) buttons to select the

setting value. (Press the FAN (-) button to switch

between the left and right digits.)

(4)

Press the START/STOP button, then the POWER-

)8/&22/,1*EXWWRQLQRUGHUWR¿[WKHVHWWLQJV

(5)

Press the RESET button to end the function set-

ting mode.

(6)

After completing the FUNCTION SETTING, be

sure to turn off the power and turn it on again.

CAUTION

After turning off the power, wait 30 seconds or more before turning on it again.

The Function Setting does not become active unless the power is turned off then on

again.

Room temperature sensor control for cooling

Depending on the installed environment, correction of the room temperature sensor may

be required. Select the appropriate control setting according to the installed environment.

(

... Factory setting)

Function number Setting value

Setting description

00 Standard

01 Lower control

Room temperature sensor control for heating

Depending on the installed environment, correction of the room temperature sensor may

be required. Select the appropriate control setting according to the installed environment.

(

... Factory setting)

Function number Setting value

Setting description

00 Standard

01 Lowest control

02 Lower control

03 Low control

Function number

Setting

value

En-9

Auto restart

Enable or disable automatic restart after a power interruption.

(

... Factory setting)

Function number Setting value

Setting description

00 Enable

01 Disable

* Auto restart is an emergency function such as for power outage etc. Do not attempt to

use this function in normal operation. Be sure to operate the unit by remote controller or

external device.

Room temperature sensor switching

(Only for wired remote controller)

When using the Wired remote controller temperature sensor, change the setting to “Both”

(01).

(

... Factory setting)

Function number Setting value

Setting description

00 Indoor unit

01 Both

00: Sensor on the indoor unit is active.

01: Sensors on both indoor unit and wired remote controller are active.

* Remote controller sensor must be turned on by using the remote controller

Remote controller custom code

(Only for wireless remote controller)

The indoor unit custom code can be changed.

Select the appropriate custom code.

(

... Factory setting)

Function number Setting value

Setting description

00 A

01 B

02 C

03 D

Setting record

Record any changes to the settings in the following table.

Function setting Setting Value

Room temperature sensor control for cooling

Room temperature sensor control for heating

Auto restart

Room temperature sensor switching

Remote controller custom code

After completing the Function Setting, be sure to turn off the power and turn it on again.

Remote controller custom code setting

When 2 or more air conditioners are installed in a room and the remote controller is oper-

ating an air conditioner other than the one you wish to set, change the custom code of the

remote controller to operate only the air conditioner you wish to set (4 selections possible).

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do not match, the remote controller cannot be used to operate for the air conditioner.

Selecting the Remote Controller Custom Code

Use the following steps to select the custom code of the re-

mote controller. (Note that the air conditioner cannot receive

a signal if the air conditioner has not been set for the custom

code.)

(1) Press the START/STOP button until only the clock is dis-

played on the remote controller display.

(2) Press the MODE button for at least 5 seconds to display

the current custom code (initially set to A).

(3) Press SET TEMP. (

) ( ) buttons to change the cus-

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display to the air conditioner custom code.

(4) Press the MODE button again to return to the clock dis-

play. The custom code will be changed.

If no buttons are pressed within 30 seconds after the custom code is displayed, the sys-

tem returns to the original clock display. In this case, start again from step 1.

The air conditioner custom code is set to A prior to shipment.

The remote controller resets to custom code A when the batteries in the remote control-

ler are replaced. If you use a custom code other than custom code A, reset the custom

code after replacing the batteries.

If you do not know the air conditioner custom code setting, try each of the custom codes

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12. CHECK LIST

Pay special attention to the check items below when installing the indoor unit(s). After

installation is complete, be sure to check the following check items again.

CHECK ITEMS CHECK BOX

Has the indoor unit been installed correctly?

Has there been a check for gas leaks (refrigerant pipes)?

Has heat insulation work been completed?

Does water drain easily from the indoor units?

Are the wires and pipes all connected completely?

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Are the inlets and outlets free of any obstacles?

After installation is completed, has the proper operation and

handling been explained to the user?

13. TEST RUN

WARNING

Do not turn on the power until all installation work is complete.

CAUTION

When restarting after a long period of disuse in the winter, turn the power switch on at least

12 hours before starting the unit.

Do not operate the air conditioner in test run for a long time.

[Operation method]

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manual.

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on the room temperature. In this case, press

the TEST RUN button on the remote controller

while the air conditioner is running. (Point the

transmitter section of the remote controller

toward the air conditioner and press the TEST

RUN button with the tip of a ballpoint pen, etc.)

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START/STOP button. (When the air conditioner

is running by pressing the TEST RUN button, the

OPERATION Lamp and TIMER Lamp will

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[Using the wired remote control] (Option)

Ɣ

For the operation method, refer to the operating

manual.

(1) Stop the air conditioner operation.

(2) Press the master control button and the FAN

control button simultaneously for 2 seconds or

more to start the test run.

(3) Press the START/STOP button to stop the test run.

14. CUSTOMER GUIDANCE

Explain the following to the customer in accordance with the operating manual:

(1) Starting and stopping method, operation switching, temperature adjustment, timer, air

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(3) Give the operating manual to the customer.

(4) If the custom code is changed, explain to the customer how it changed (the system

returns to custom code A when the batteries in the remote controller are replaced).

*(4) is applicable to using wireless remote controller.

Test run display

Transmitter section

TEST RUN button

En-10

15. ERROR CODES

If you use a wireless remote controller, the lamp on the photo detector unit will output er-

ror codes by way of blinking patterns. If you use a wired remote controller, error codes will

appear on the remote controller display. See the lamp blinking patterns and error codes in

the table. An error display is displayed only during operation.

Error display

Wired

remote

controller

Error code

Description

OPERATION

lamp

(green)

TIMER

lamp

(orange)

POWERFUL

lamp

(green)

(1)

Serial communication error

(1)

(2)

Wired remote controller

communication error

(1)

(5)

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(2)

(1)

Unit number or Refrigerant circuit

address setting error

[Simultaneous Multi]

(2)

Indoor unit capacity error

(2)

(3)

Combination error

(2)

(4)

Connection unit number

error (indoor slave unit)

[Simultaneous Multi]

Connection unit number error

(indoor unit or branch unit)

[Flexible Multi]

(2)

(7)

Master unit, slave unit set-up

error [Simultaneous Multi]

(3)

(2)

Indoor unit PCB model

information error

(3)

(5)

Manual auto switch error

(4)

(1)

Room temp. sensor error

(4)

(2)

Indoor unit Heat Ex. Middle temp.

sensor error

(5)

(1)

Indoor unit fan motor error

(5)

(3)

Drain pump error

(5)

(7)

Damper error

(5)

(15)

Indoor unit error

(6)

(2)

Outdoor unit main PCB model

information error or

communication error

(6)

(3)

Inverter error

(6)

(4)

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error

(6)

(5)

Trip terminal L error

(6)

(8)

Outdoor unit rush current limiting

resister temp. rise error

(6)

(10)

Display PCB microcomputers

communication error

(7)

(1)

Discharge temp. sensor error

(7)

(2)

Compressor temp. sensor error

(7)

(3)

Outdoor unit Heat Ex. liquid

temp. sensor error

(7)

(4)

Outdoor temp. sensor error

(7)

(5)

Suction Gas temp. sensor error

(7)

(6)

2-way valve temp. sensor error

3-way valve temp. sensor error

(7)

Heat sink temp. sensor error

(8)

(2)

Sub-cool Heat Ex. gas inlet

temp. sensor error

Sub-cool Heat Ex. gas outlet

temp. sensor error

(8)

(3)

Liquid pipe temp. sensor error

(8)

(4)

Current sensor error

(8)

(6)

Discharge pressure sensor

error

Suction pressure sensor error

High pressure switch error

(9)

(4)

Trip detection

(9)

(5)

Compressor rotor position

detection error (permanent stop)

(9)

(7)

Outdoor unit fan motor error

(9)

4-way valve error

(10)

(1)

Discharge temp. error

(10)

(3)

Compressor temp. error

(10)

(4)

High pressure error

(10)

(5)

Low pressure error

(13)

(2)

Branch boxes error

[Flexible Multi]

Display mode

: 0.5s ON / 0.5s OFF

: 0.1s ON / 0.1s OFF

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[Troubleshooting with the indoor unit display]

OPERATION indicator (green)

TIMER indicator (orange)

POWERFUL indicator (green)

[Troubleshooting with the Wired Remote Controller Display (Option)]

If an error occurs, the following display will be shown. (“Er” will appear in the set room

temperature display.)

Error code

Fujitsu ASGA18FUTC-B Guide d'installation

Marque: Fujitsu

Modèle: ASGA18FUTC-B

Catégorie: Climatiseurs split-system

Taper: Guide d'installation

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