Attachment -3_ 40VU-4S-TEE -Indoor Unit_Installation manual (1).pdf

1115350128

Manual de instalación 57

Manual de instalação 85

Installation Manual 1

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FrançaisManuel d’installation 29

VRF 4-Way Cassette air conditioner Model name:

40VU____S-4S-TEE

Notice: is committed to continuously improving its products to ensure the highest quality and reliability standards, and to meet local regulations and market requirements. All features and specifications are subject to change without prior notice.

Installation Manual

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Original instruction

Please read this Installation Manual carefully before installing the Air Conditioner.

• This Manual describes the installation method of the indoor unit.

• For installation of the outdoor unit, follow the Installation Manual attached to the outdoor unit.

ADOPTION OF NEW REFRIGERANT

This Air Conditioner uses R410A an environmentally friendly refrigerant.

Contents 1 Precautions for safety

2 Accessory parts

3 Selection of installation place

4 Installation

5 Drain piping

6 Refrigerant piping

7 Electrical connection

8 Applicable controls

9 Test run

10 Maintenance

11 Troubleshooting

12 Specifi cations

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Please read carefully through these instructions that contain important information which complies with the “Machinery” Directive (Directive 2006/42/EC), and ensure that you understand them.

After completing the installation work, hand over this Installation Manual as well as the Owner’s Manual provided with the outdoor unit to the user, and ask the user to keep them in a safe place for future reference.

Generic Denomination: Air Conditioner

Definition of Qualified Installer or Qualified Service Person The air conditioner must be installed, maintained, repaired and removed by a qualified installer or qualified service person. When any of these jobs is to be done, ask a qualified installer or qualified service person to do them for you.

A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in the table below.

evah tsum tnega eht hcihw egdelwonk dna snoitacifilauQtnegA

Qualified installer

Qualified service person

Definition of Protective Gear When the air conditioner is to be transported, installed, maintained, repaired or removed, wear protective gloves and ‘safety’ work clothing.

In addition to such normal protective gear, wear the protective gear described below when undertaking the special work detailed in the table below.

Failure to wear the proper protective gear is dangerous because you will be more susceptible to injury, burns, electric shocks and other injuries.

nrow raeg evitcetorPnekatrednu kroW

All types of work Protective gloves ‘Safety’ working clothing

Electrical-related work

Gloves to provide protection for electricians and from heat Insulating shoes Clothing to provide protection from electric shock

Work done at heights (50 cm or more) Helmets for use in industry

Transportation of heavy objects Shoes with additional protective toe cap

Repair of outdoor unit Gloves to provide protection for electricians and from heat

He or she has been trained to install, maintain, relocate and remove the air conditioners or, alternatively, he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations.

removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations, and he or she is a person who has been trained in matters relating to electrical work on the air conditioners or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.

installation, relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations, and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.

working at heights with the air conditioners or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.

air conditioners. He or she has been trained to install, repair, maintain, relocate and remove the air conditioners or, alternatively, he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations.

relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations, and he or she is a person who has been trained in matters relating to electrical work on the air conditioners or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.

in installation, repair, relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations, and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.

working at heights with the air conditioners or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.

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Warning indications on the air conditioner unit Warning indication Description

WARNING

ELECTRICAL SHOCK HAZARD

Disconnect all remote electric power supplies before servicing.

WARNING

Moving parts.

Do not operate unit with grille removed.

Stop the unit before the servicing.

CAUTION

High temperature parts.

You might get burned when removing this panel.

CAUTION

Do not touch the aluminium fins of the unit.

Doing so may result in injury.

CAUTION

BURST HAZARD

Open the service valves before the operation, otherwise there might be the burst.

WARNING

ELECTRICAL SHOCK HAZARD

Disconnect all remote electric power supplies before servicing.

WARNING

Moving parts.

Do not operate unit with grille removed.

Stop the unit before the servicing.

CAUTION

High temperature parts.

You might get burned when removing this panel.

CAUTION

Do not touch the aluminum fins of the unit.

Doing so may result in injury.

CAUTION

BURST HAZARD

Open the service valves before the operation, otherwise there might be the burst.

1 Precautions for safety The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual.

WARNING

General

• Before starting to install the air conditioner, read through the

Installation Manual carefully, and follow its instructions to install the air conditioner.

• Only a qualifi ed installer or service person is allowed to do installation work. Inappropriate installation may result in water leakage, electric shock or fi re.

• Do not use any refrigerant different from the one specifi ed for complement or replacement. Otherwise, abnormally high pressure may be generated in the refrigeration cycle, which may result in a failure or explosion of the product or an injury to your body.

• Before opening the intake grille of the indoor unit or service panel of the outdoor unit, set the circuit breaker to the OFF position. Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior parts. Only a qualifi ed installer or qualifi ed service person is allowed to remove the intake grille of the indoor unit or service panel of the outdoor unit and do the work required.

• Before carrying out the installation, maintenance, repair or removal work, set the circuit breaker to the OFF position.

Otherwise, electric shocks may result.

• Place a “Work in progress” sign near the circuit breaker while the installation, maintenance, repair or removal work is being carried out. There is a danger of electric shocks if the circuit breaker is set to ON by mistake.

• Only a qualifi ed installer or qualifi ed service person is allowed to undertake work at heights using a stand of 50 cm or more or to remove the intake grille of the indoor unit to undertake work.

• Wear protective gloves and safety work clothing during installation, servicing and removal.

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• Do not touch the aluminium fi n of the unit. You may injure yourself if you do so. If the fi n must be touched for some reason, fi rst put on protective gloves and safety work clothing, and then proceed.

• Do not climb onto or place objects on top of the outdoor unit.

You may fall or the objects may fall off of the outdoor unit and result in injury.

• When work is performed at heights, use a ladder which complies with the ISO 14122 standard, and follow the procedure in the ladder’s instructions. Also wear a helmet for use in industry as protective gear to undertake the work.

• Before cleaning the fi lter or other parts of the outdoor unit, set the circuit breaker to OFF without fail, and place a “Work in progress” sign near the circuit breaker before proceeding with the work.

• Before working at heights, put a sign in place so that no-one will approach the work location, before proceeding with the work.

Parts and other objects may fall from above, possibly injuring a person below. While carrying out the work, wear a helmet for protection from falling objects.

• The refrigerant used by this air conditioner is the R410A.

• The air conditioner must be transported in stable condition. If any part of the product is broken, contact the dealer.

• When the air conditioner must be transported by hand, carry it by two or more people.

• Do not move or repair any unit by yourself. There is high voltage inside the unit. You may get electric shock when removing the cover and main unit.

• This appliance is intended to be used by expert or trained users in shops, in light industry, or for commercial use by lay persons.

Selection of installation location

• When the air conditioner is installed in a small room, provide appropriate measures to ensure that the concentration of refrigerant leakage occur in the room does not exceed the critical level.

• Do not install in a location where fl ammable gas leaks are possible. If the gas leak and accumulate around the unit, it may ignite and cause a fi re.

• To transport the air conditioner, wear shoes with additional protective toe caps.

• To transport the air conditioner, do not take hold of the bands around the packing carton. You may injure yourself if the bands should break.

• Install the indoor unit at least 2.5 m above the fl oor level since otherwise the users may injure themselves or receive electric shocks if they poke their fi ngers or other objects into the indoor unit while the air conditioner is running.

• Do not place any combustion appliance in a place where it is directly exposed to the wind of air conditioner, otherwise it may cause imperfect combustion.

Installation

• When the indoor unit is to be suspended, the designated hanging bolts (M10 or W3/8) and nuts (M10 or W3/8) must be used.

• Install the air conditioner securely in a location where the base can sustain the weight adequately. If the strength is not enough, the unit may fall down resulting in injury.

• Follow the instructions in the Installation Manual to install the air conditioner. Failure to follow these instructions may cause the product to fall down or topple over or give rise to noise, vibration, water leakage or other trouble.

• Carry out the specifi ed installation work to guard against the possibility of high winds and earthquake. If the air conditioner is not installed appropriately, a unit may topple over or fall down, causing an accident.

• If refrigerant gas has leaked during the installation work, ventilate the room immediately. If the leaked refrigerant gas comes in contact with fi re, noxious gas may generate.

• Use forklift to carry in the air conditioner units and use winch or hoist at installation of them.

Refrigerant piping

• Install the refrigerant pipe securely during the installation work before operating the air conditioner. If the compressor is operated with the valve open and without refrigerant pipe, the compressor sucks air and the refrigeration cycles is over pressurized, which may cause a injury.

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• Tighten the fl are nut with a torque wrench in the specifi ed manner. Excessive tighten of the fl are nut may cause a crack in the fl are nut after a long period, which may result in refrigerant leakage.

• After the installation work, confi rm that refrigerant gas does not leak. If refrigerant gas leaks into the room and fl ows near a fi re source, such as a cooking range, noxious gas may be generated.

• When the air conditioner has been installed or relocated, follow the instructions in the Installation Manual and purge the air completely so that no gases other than the refrigerant will be mixed in the refrigerating cycle. Failure to purge the air completely may cause the air conditioner to malfunction.

• Nitrogen gas must be used for the airtight test.

• The charge hose must be connected in such a way that it is not slack.

Electrical wiring

• Only a qualifi ed installer or qualifi ed service person is allowed to carry out the electrical work of the air conditioner.

Under no circumstances must this work be done by an unqualifi ed individual since failure to carry out the work properly may result in electric shocks and/or electrical leaks.

• To connect the electrical wires, repair the electrical parts or undertake other electrical jobs, wear gloves to provide protection for electricians and from heat, insulating shoes and clothing to provide protection from electric shocks.

Failure to wear this protective gear may result in electric shocks.

• Use wiring that meets the specifi cations in the Installation Manual and the stipulations in the local regulations and laws.

Use of wiring which does not meet the specifi cations may give rise to electric shocks, electrical leakage, smoking and/or a fi re.

• Connect earth wire. (Grounding work) Incomplete grounding causes an electric shock.

• Do not connect earth wires to gas pipes, water pipes, and lightning conductor or telephone earth wires.

• After completing the repair or relocation work, check that the earth wires are connected properly.

• Install a circuit breaker that meets the specifi cations in the installation manual and the stipulations in the local regulations and laws.

• Install the circuit breaker where it can be easily accessed by the agent.

• When installing the circuit breaker outdoors, install one which is designed to be used outdoors.

• Under no circumstances the power wire must not be extended.

Connection trouble in the places where the wire is extended may give rise to smoking and/or a fi re.

• Electrical wiring work shall be conducted according to law and regulation in the community and installation manual.

Failure to do so may result in electrocution or short circuit.

Test run

• Before operating the air conditioner after having completed the work, check that the electrical control box cover of the indoor unit and service panel of the outdoor unit are closed, and set the circuit breaker to the ON position. You may receive an electric shock if the power is turned on without fi rst conducting these checks.

• If there is any kind of trouble (such as an error display has appeared, smell of burning, abnormal sounds, the air cond itioner fails to cool or heat or water is leaking) has occurred in the air conditioner, do not touch the air conditioner yourself but set the circuit breaker to the OFF position, and contact a qualifi ed service person. Take steps to ensure that the power will not be turned on (by marking “out of service” near the circuit breaker, for instance) until qualifi ed service person arrives.

Continuing to use the air conditioner in the trouble status may cause mechanical problems to escalate or result in electric shocks or other trouble.

• After the work has fi nished, use an insulation tester set (500 V Megger) to check the resistance is 1 MΩ or more between the charge section and the non-charge metal section (Earth section). If the resistance value is low, a disaster such as a leak or electric shock is caused at user’s side.

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• Upon completion of the installation work, check for refrigerant leaks and check the insulation resistance and water drainage.

Then conduct a test run to check that the air conditioner is operating properly.

Explanations given to user

• Upon completion of the installation work, tell the user where the circuit breaker is located. If the user does not know where the circuit breaker is, he or she will not be able to turn it off in the event that trouble has occurred in the air conditioner.

• If the fan grille is damaged, do not approach the outdoor unit but set the circuit breaker to the OFF position, and contact a qualifi ed service person to have the repairs done. Do not set the circuit breaker to the ON position until the repairs are completed.

• After the installation work, follow the Owner’s Manual to explain to the customer how to use and maintain the unit.

Relocation

• Only a qualifi ed installer or qualifi ed service person is allowed to relocate the air conditioner. It is dangerous for the air conditioner to be relocated by an unqualifi ed individual since a fi re, electric shocks, injury, water leakage, noise and/or vibration may result.

• When carrying out the pump-down work shut down the compressor before disconnecting the refrigerant pipe.

Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air or other gas to be sucked in, raising the pressure inside the refrigeration cycle to an abnormally high level, and possibly resulting in rupture, injury or other trouble.

CAUTION

New refrigerant air conditioner installation

• This air conditioner adopts the new HFC refrigerant

(R410A) which does not destroy ozone layer.

• The characteristics of R410A refrigerant are; easy to absorb water, oxidizing membrane or oil, and its pressure is approx.

1.6 times higher than that of refrigerant R22. Accompanied with the new refrigerant, refrigerating oil has also been changed.

Therefore, do not let water, dust, former refrigerant, or refrigerating oil enter the refrigerating cycle during installation work.

• To prevent charging an incorrect refrigerant and refrigerating oil, the sizes of connecting sections of charging port of the main unit and installation tools are changed from those for the conventional refrigerant.

• Accordingly the exclusive tools are required for the new refrigerant (R410A).

• For connecting pipes, use new and clean piping designed for R410A, and please care so that water or dust does not enter.

To disconnect the appliance from main power supply.

• This appliance must be connected to the main power supply by means of a switch with a contact separation of at least 3 mm.

The installation fuse (all types can be used) must be used for the power supply line of this conditioner.

(*1) Refer to the “Definition of Qualified Installer or Qualified Service Person.”

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2 Accessory parts

Accessory parts

Separate sold parts

• The Ceiling panel and remote controller are sold separately. For the installation of these products, follow the

Installation Manuals supplied with them.

• The wireless type remote controller is designed to be installed by attaching a wireless remote controller kit (sold separately) to the standard panel. (The wireless remote controller kit consists of a wireless remote controller and adjust corner caps with a receiver section.)

Part name Q’ty Shape Usage Installation Manual 1 This manual (Hand over to customers)

Heat insulating pipe 2 For heat insulation of pipe connecting section

Installation pattern 1 — For confirmation of ceiling opening and indoor unit position

Installation gauge – – For positioning of ceiling position

Washer 4 For hanging-down unit

Eccentric washer 4 For hanging-down unit

Hose band 1 For connecting drain pipe

Flexible hose 1 For adjusting center of drain pipe

Heat insulator 1 For heat insulation of drain connecting section

Heat insulator 1 For sealing of wire connecting port

3 Selection of installation place

WARNING

• Install the air conditioner at enough strong place to withstand the weight of the unit.

If the strength is not enough, the unit may fall down resulting in injury.

• Install the air conditioner at a height 2.5 m or more from the floor.

If you insert your hands or others directly into the unit while the air conditioner operates, it is dangerous because you may contact with revolving fan or active electricity.

CAUTION

• Do not install the air conditioner in a location subject to a risk of exposure to a combustible gas.

If a combustible gas leaks and stays around the unit, a fire may occur.

Upon approval of the customer, install the air conditioner in a place that satisfies the following conditions

• Place where the unit can be installed horizontally.

• Place where a sufficient servicing space can be ensured for safety maintenance and check.

• Place where drained water will not cause any problem.

Avoid installing in the following places

• Place exposed to air with high salt content (seaside area), or place exposed to large quantities of sulfide gas (hot spring).

(Should the unit be used in these places, special protective measures are needed.)

• A restaurant kitchen where a lot of oil is used or place near machines in a factory (Oil adhering to the heat exchanger and resin part (turbo fan) in the indoor unit may reduce the performance, generate mist or dew drop, or deform or damage resin parts.)

• Places where iron or other metal dust is present. If iron or other metal dust adheres to or collects on the interior of the air conditioner, it may spontaneously combust and start a fire.

• Place where organic solvent is used nearby.

• Place close to a machine generating high frequency.

• Place where the discharged air blows directly into the window of the neighbor house. (Outdoor unit)

• Place where noise of the outdoor unit is easily transmitted.

(When install the outdoor unit on the boundary with the neighbor, pay due attention to the level of noise.)

• Place with poor ventilation. (Before air ducting work, check whether value of air volume, static pressure and duct resistance are correct.)

• Do not use the air conditioner for special purposes such as preserving food, precision instruments, or art objects, or where breeding animals or growing plants are kept. (This may degrade the quality of preserved materials.)

• Place where any of high-frequency appliances (including inverter devices, private power generators, medical equipment, and communication equipment) and inverter-type fluorescent light is installed.

(A malfunction of the air conditioner, abnormal control, or problems due to noise to such appliances / equipment may occur.)

• When the wireless remote controller is used in a room equipped with an inverter-type fluorescent light or at a place exposed to direct sunlight, signals from the remote controller may not be received correctly.

• Place where organic solvent is used.

• Place near a door or window exposed to humid outside air (Dew dropping may form.).

• Place where special spray is used frequently.

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Installation space Secure the specified space in the figure for installation and servicing.

Selection of installation place In case of continued operation of the indoor unit under high-humidity conditions as described below, dew may condense and water may drop.

Especially, high-humidity atmosphere (dew point temperature : 23 °C or more) may generate dew inside the ceiling.

1. Unit is installed inside the ceiling with slated roof.

2. Unit is installed at a location using inside of the ceiling as fresh air take-in path.

3. Kitchen

Advice Set a service check opening panel at right side of the unit (size: 450 × 450 mm or more) for piping, maintenance, and servicing.

If installing a unit at such place, put insulating material (glass wool, etc.) additionally on all the positions of the indoor unit which come to contact with high-humidity atmosphere.

REQUIREMENT

When the humidity inside the ceiling seems to be higher than 80 %, attach a heat insulator to the side (top) surface of the indoor unit. (Use a heat insulator that is 10 mm or more thick.)

Ceiling height When the height of the ceiling exceeds the distance of the item Standard / 4-way in Table on the next page, the hot air is difficult to reach the floor.

Therefore, it is necessary to change the setup value of the high ceiling switch or discharge direction.

The high-ceiling setting is also necessary when installing separately sold filters.

mm A erom ro 172 erom ro 433

(450x450)

(450x450)

1000 or more

Obstacle o r m or e o r m or e

A unit: mm

When incorporating flesh-air intake box

When incorporating flesh-air intake box (sold separately) Provide an inspection opening at the outside-air intake box side.

Check port

Check port

REQUIREMENT

When using the air conditioner with 2-way / 3-way discharge system, a strong wind blows directly if the ceiling height is lower than the standard.

Therefore, change the setting switch according to height of the ceiling.

When using the high ceiling (1) or (3) with 4-way discharge system, the draft is apt to be felt due to drop of the discharge temperature.

009S Type and 012S Type air conditioners cannot be installed on a high ceiling.

Height list of ceiling possible to be installed (Unit: m)

The lighting time of the filter sign (notification of filter cleaning) on the remote controller can be changed according to installation conditions.

When it is difficult to obtain satisfactory heating due to location place of the indoor unit or the structure of the room, the detection temperature of heating can be raised.

Discharge direction As shown in the figure below, air discharge directions can be selected according to the shape of the room and the location of the indoor unit installation.

Use a shielding plate kit (sold separately) to change discharge directions.

Discharge directions are limited. Follow the Installation Manual supplied with the shielding plate kit.

009S to 012S 024S to 030S015S to 018S 036S to 056SModel Setup of high ceiling

Discharge direction 4-way 3-way 2-way 4-way 3-way 2-way 4-way 3-way 2-way 4-way 3-way 2-way SET DATA

Standard (Factory default) 2.7 2.8 3.0 2.8 3.2 3.5 3.0 3.3 3.6 3.9 4.2 4.5 0000

High ceiling (1) — — — 3.2 3.5 3.8 3.3 3.5 3.8 4.2 4.4 4.6 0001

High ceiling (3) — — — 3.5 3.8 — 3.6 3.8 — 4.5 4.6 — 0003 snoitcerid 2snoitcerid 3

Shielding plate (Sold separately)

Model 009S Type to 030S Type

036S Type to 056S Type

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4 Installation

REQUIREMENT

Strictly comply with the following rules to prevent damage of the indoor units and human injury.

Do not put a heavy article on the indoor unit. (Even units are packaged) Carry in the indoor unit as it is packaged if possible. If carrying in the indoor unit unpacked by necessity, be sure to use buffering cloth, etc. to not damage the unit.

To move the indoor unit, hold the hooking metals (4 positions) only.

Do not apply force to the other parts (refrigerant pipe, drain pan, foamed parts, or resin parts, etc.).

Carry the package by two or more persons, and do not bundle it with plastic band at positions other than specified.

External view (Unit:mm)

(mm)

Ceiling bottom surface Knockout square hole for divide duct For Ø150

Knockout square hole for divide duct For Ø150

840 Unit external dimension

Ceiling bottom surface

Electrical control box

Refrigerant pipe connecting port (Liquid) B

Refrigerant pipe connecting port (Gas) C

Take-in port of wires

Ceiling bottom surface

Drain pipe connecting port

Knockout square hole for divide duct For Ø150

Hanging bolt M10 or Ø3/8 (Locally procured)

Knockout square hole for divide duct For Ø150

690 ± 20 Hanging bolt pitch 860 to 910 Ceiling opening dimension

950 Panel external dimension

Knockout square hole for humidifier

Ceiling panel (sold separately)

Ceiling bottom surface

Z view

Knockout for simple OA For Ø100

Ceiling bottom surface to

C ei lin g op en in g di m en si on

H an gi ng b ol t p itc h

Pa ne l e xt er na l d im en si on

Opening a ceiling and installation of hanging bolts

Consider the piping / wiring after the unit is hung when determining the location of the indoor unit installation and orientation.

After the location of the indoor unit installation has been determined, open the ceiling and install hanging bolts.

The dimensions of the ceiling opening and hanging bolt pitches are given in the outline drawing and the attached installation pattern.

When a ceiling already exists, lay the drain pipe, refrigerant pipe, indoor unit / outdoor unit connection wires, and remote controller wires to their connection locations before hanging the indoor unit.

Procure hanging bolts and nuts for installing the indoor unit (these are not supplied).

Using the installation pattern (accessory)

The installation pattern is provided inside the packaging cap.

<For existing ceiling> Use the installation pattern positioning a ceiling opening and hanging bolts.

<For new ceiling> Use the installation pattern to position the ceiling opening when hanging a ceiling.

After the hanging bolts have been installed, install the indoor unit.

Hook the four holes in the installation pattern to the panel fixing screws of the indoor unit.

When hanging a ceiling, open the ceiling along the outside dimensions of the installation pattern.

Treatment of ceiling The ceiling differs according to structure of building.

For details, consult your constructor or interior finish contractor.

In the process after the ceiling board has been removed, it is important to reinforce ceiling foundation (frame) and to keep horizontal level of installed ceiling correctly in order to prevent vibration of ceiling board.

1. Cut and remove the ceiling foundation.

2. Reinforce the cut surface of ceiling foundation, and add ceiling foundation for fixing the end of ceiling board.

Installation of hanging bolt Use M10 hanging bolts (4 pcs, locally procured).

Matching to the existing structure, set pitch according to size in the unit external view as shown below.

Hanging bolt M10 or W3/8 4 pieces

Nut M10 or W3/8 12 pieces

Indoor unit

Panel fixing screw

Installation pattern (Accessory) Hole

New concrete slab Install the bolts with insert brackets or anchor bolts.

Steel flame structure Use existing angles or install new support angles.

Existing concrete slab Use a hole-in anchors, hole-in plugs, or a hole-in bolts.

Rubber Anchor bolt

(Blade type bracket)

(Slide type bracket) (Pipe hanging anchor bolt)

Hanging bolt

Hanging bolt Support angle

Model ModelA B C D A B C D 009S to 012S

015S to 018S

024S to 030S

036S to 056S

256 Ø9.5 Ø15.9 120

319 Ø9.5 Ø15.9 183

256 Ø6.4 Ø9.5 120

256 Ø6.4 Ø12.7 120

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◆ Installation of ceiling opening and hanging bolt

• Attach a nut (M10 or W3/8: not supplied) and the Ø34 washer (supplied) to each hanging bolt.

• Insert a washer on both sides of the T groove of the hanging bracket of the indoor unit, and hang the indoor unit.

• Check that the four sides of the indoor unit are level using a level vial (levelness: 5 mm or less).

• Detach the installation gauge (accessory) from the installation pattern.

• Using the installation gauge, check and adjust the positional relation between the indoor unit and the ceiling opening (1) (10 to 35 mm: 4 sides) and the hanging-up height (2) ( mm: 4 corners).

(How to use the installation gauge is printed on the gauge.)

REQUIREMENT

Before installation of the indoor unit, be sure to remove the tape for transportation between the fan and the bell mouth. Running the unit without removing the tape may damage the fan motor.

Hanging bolt

Level vial

Hanging bracket

12 +5

Washer (Accessory) To prevent the bolt from falling off (for safety), be sure to set it just under the hanging bracket as shown in the figure.

Eccentric washer (Accessory)

Nut (M10 or W3/8)

Hanging bolt (M10 or W3/8)

Nut (M10 or W3/8)

* Procure hanging bolts and nuts locally.

* Install with the marking “UP” facing up.

Indoor unit Level vial (levelness: 5 mm or less)

Hanging bolt

Hanging bracket

Installation gauge

(1) 10 to 35 mm Ceiling board

(2 m m

+5 0

Indoor unit

Installation gauge (1) 10 to

35 mm

(2) mm12 +5

0Ceiling board

Be sure to remove the tape for transportation between the fan and the bell mouth.

Installation of ceiling panel (Sold separately)

Install the ceiling panel according to Installation Manual attached with it after piping / wiring work has completed.

Check that installation of indoor unit and ceiling opening part is correct, and then install it.

REQUIREMENT

• Joint the connecting sections of ceiling panel, ceiling surface, ceiling panel and indoor unit closely.

Any gap between them will cause air leakage and the generate condensation or water leakage.

• Remove the adjust corner caps at the four corners of the ceiling panel, and then install the ceiling panel onto the indoor unit.

• Make sure that the claws of the four adjust corner caps are securely fit.

* Improper fitting of the claws may cause water leakage.

Installation of remote controller (Sold separately)

For installation of the wired remote controller, follow the Installation Manual attached with the remote controller.

• Pull out the remote controller cord together with the refrigerant pipe or drain pipe.

Be sure to pass the remote controller cord through upper side of the refrigerant pipe and drain pipe.

• Do not leave the remote controller at a place exposed to the direct sunlight and near a stove.

Wireless type The sensor of indoor unit with wireless remote controller can receive a signal by distance within approx. 8 m. Based upon it, determine a place where the remote controller is operated and the installation place.

• Operate the remote controller, confirm that the indoor unit receives a signal surely, and then install it.

• Keep 1 m or more from the devices such as television, stereo, etc.

(Disturbance of image or noise may generate.)

• To prevent a malfunction, select a place where is not influenced by a fluorescent light or direct sunlight.

• Two or more (Up to 6 units) indoor units with wireless type remote controller can be installed in the same room.

Signal receiving unit

8 m

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5 Drain piping

CAUTION

Following the Installation Manual, perform the drain piping work so that water is properly drained, and apply a heat insulation so as not to cause a dew dropping.

Inappropriate piping work may result in water leakage in the room and wet of furniture.

Piping / Heat insulating material

Require the following materials for piping and heat insulating at site.

Flexible hose Use the attached flexible hose to adjust center discrepancy of the hard vinyl chloride pipe or to adjust the angle.

Do not use the flexible hose as stretched, or do not deform it more extent than that in the following figure.

Be sure to fix the soft end of the flexible hose with the attached hose band.

Use the flexible hose on a horizontal level.

REQUIREMENT

Be sure to perform heat insulation of the drain pipes of the indoor unit.

Never forget to perform heat insulation of the connecting part with the indoor unit.

An incomplete heat insulation causes dew dropping.

Set the drain pipe with downward slope (1/100 or more), and do not make swelling or trap on the piping.

It may cause an abnormal sound.

For length of the traversing drain pipe, restrict to 20 m or less.

In case of a long pipe, provide support brackets with interval of 1.5 to 2 m in order to prevent waving.

Set the collective piping as shown in the below figure.

Be sure not to apply force to the connecting part of the drain pipe.

The hard vinyl-chloride pipe cannot be directly connected to the drain pipe connecting port of the indoor unit.

For connection with the drain pipe connecting port, be sure to use / fix the attached flexible hose with the hose band, otherwise a damage or water leak is caused on the drain pipe connecting port.

Piping Hard vinyl chloride pipe VP25 (Outer dia. : Ø32 mm)

Heat insulator Foam polyethylene :

Thickness 10 mm or more

OK NO GOOD

max 45° max 45°

Riser (Trap)

90° Bend

Support bracket

1/100 or more downwardHeat insulator

1.5 m to 2 m

Arched shape

Trap

NO

GOOD

VP25

As long as possible (10 cm)

Downward slope 1/100 or more

VP30 or more

VP25 VP25

Adhesive inhibited :

Use the attached flexible hose and hose band for connecting the drain hose to the clear drain socket.

If applying the adhesive, socket will be damaged and cause water leakage.

Drain pipe connecting port (Hard socket)

VP25 vinyl chloride pipe (Locally procured)

Attached hose band

Attached flexible hose

Soft socket

Hard socket

Socket for VP25 (Locally procured)

In do or u ni t

Drain pipe connecting port (Transparent)

Flexible hose (Accessory)

Socket for VP25 vinyl chloride pipe (Locally procured)

VP25 vinyl chloride pipe (Locally procured)

In do or u ni t

5 mm or less

10 mm hose band tightening margin

Heat insulator

10 to 12 mm

Connecting drain pipe Connect a hard socket (locally procured) to the hard socket of the attached supplied flexible hose.

Connect a drain pipe (locally procured) to the connected hard socket.

REQUIREMENT

Connect hard vinyl chloride pipes securely using an adhesive for vinyl chloride to avoid water leakage.

It takes some time until the adhesive is dried and hardened (refer to the manual of the adhesive). Do not apply stress to the joint with the drain pipe during this time period.

Drain up When a down-gradient cannot be secured for the drainpipe, drain-up piping is possible.

The height of the drain pipe must be 850 mm or less from the bottom of the ceiling.

Take the drain pipe out of the drain pipe joint with the indoor unit in 300 mm or less, and bend up the pipe vertically.

Immediately after the pipe is bent up vertically, lay the pipe making a down-gradient.

Set downward grading immediately after raising up vertically.

Check the draining In the test run, check that water drain is properly performed and water does not leak from the connecting part of the pipes.

Be sure to check draining also when installed in heating period.

Using a pitcher or hose, pour water (1500 to 2000 cc) into the discharge port before installation of the ceiling panel.

Pour water gradually so that water does not spread on the motor of the drain pump.

CAUTION

Pour water gently so that it does not spread around inside the indoor unit, which may cause a malfunction.

After the electric work has finished, pour water during Cool mode operation.

If the electric work has not yet finished, pull out the float switch connector (CN34 : Red) from the electrical control box, and check draining by plugging the single phase 208 V-240 V power to the terminal blocks R(L) and S(N).

If doing so, the drain pump motor operates.

(Never apply 208 V-240 V to , , or , otherwise a trouble of P.C. board occurs.)

Ri sin g up m m o r l es s

Underside of ceiling Indoor unit

300 mm or less

R is in g up m m o r l es s

S

R

Heat exchanger

Drain pan

Float switch connector (3P) (CN34: red)

Power supply wiring

Insert the hose end between the heat exchanger and the drain pan, and then bend the hose downward.

Tool for pouring water

Bottle

Water (1500 cc to 2000 cc)

A B

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Test water drain while checking the operation sound of the drain pump motor.

(If the operation sound changes from continuous sound to intermittent sound, water is normally drained.)

After the check, the drain pump motor runs, connecting the float switch connector.

(In case of check by pulling out the float switch connector, be sure to return the connector to the original position.)

Heat insulating As shown in the figure, cover the flexible hose and hose band with the attached heat insulator up to the bottom of the indoor unit without gap.

Cover the drain pipe seamlessly with a heat insulator locally procured so that it overlaps with the attached heat insulator of the drain connecting section.

* Direct the slits and seams of the heat insulator upward to avoid water leakage.

S(N)R(L)

Pull out connector CN34 (Red) from P.C. board.

CN34

(RED)

Black

Black

Red

White

Single phase 220 V-240 V : 50 Hz 208 V-230 V : 60 HzPower terminals

Wrap the attached heat insulator seamlessly from the surface of the indoor unit.

Heat insulator of the drain connecting section (Accessory)

In do or u ni t

Heat insulator (Locally procured)

6 Refrigerant piping

CAUTION

When the refrigerant pipe is long, provide support brackets at intervals of 2.5 m to 3 m to clamp the refrigerant pipe. Otherwise, abnormal sound may be generated.

Use the flare nut attached with the indoor unit or R410A flare nut.

Permissible piping length and height difference

They vary depending on the outdoor unit. For details, refer to the Installation Manual attached to the outdoor unit.

Pipe size

Connecting refrigerant piping Flaring

1. Cut the pipe with a pipe cutter.

Remove burrs completely. (Remaining burrs may cause gas leakage.)

2. Insert a flare nut into the pipe, and flare the pipe.

Use the flare nut provided with the unit or the one used for the R410A refrigerant. The flaring dimensions for R410A are different from the ones used for the conventional R22 refrigerant. A new flare tool manufactured for use with the R410A refrigerant is recommended, but the conventional tool can still be used if the projection margin of the copper pipe is adjusted to be as shown in the following table.

Projection margin in flaring: B (Unit: mm)

Flaring diameter size: A (Unit: mm)

* In case of flaring for R410A with the conventional flare tool, pull it out approx. 0.5 mm more than that for R22 to adjust to the specified flare size. The copper pipe gauge is useful for adjusting projection margin size.

The sealed gas was sealed at the atmospheric pressure so when the flare nut is removed, there will no “whooshing” sound: This is normal and is not indicative of trouble.

Use two wrenches to connect the indoor unit pipe.

Model 009S to 012S

015S to

018S

024S to

056S

Pipe size (Dia. : mm)

Gas side 9.5 12.7 15.9

Liquid side 6.4 6.4 9.5

Outer dia. of copper pipe R410A tool used Conventional tool used 6.4, 9.5

0 to 0.5 1.0 to 1.5 12.7, 15.9

Outer dia. of copper pipe A +0 –0.4

1.94.6

2.315.9

6.617.21

7.919.51

Work using double spanner

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• Use the tightening torque levels as listed in the following table.

• Tightening torque of flare pipe connections.

Pressure of R410A is higher than that of R22.

(Approx. 1.6 times) Therefore, using a torque wrench, tighten the flare pipe connecting sections which connect the indoor and outdoor units of the specified tightening torque.

Incorrect connections may cause not only a gas leak, but also a trouble of the refrigeration cycle.

CAUTION

Tightening with an excessive torque may crack the nut depending on installation conditions.

◆Piping with outdoor unit Shape of valve differs according to the outdoor unit.

For details of installation, refer to the Installation Manual of the outdoor unit.

Airtight test / Air purge, etc.

For airtight test, air purge, addition of refrigerant, and gas leak check, refer to the Installation Manual attached to the outdoor unit.

REQUIREMENT

Do not supply power to the indoor unit until the airtight test and vacuuming are completed. (If the indoor unit is powered on, the pulse motor valve is fully closed, which extends the time for vacuuming.)

◆Open the valve fully Open the valve of the outdoor unit fully.

For details, refer to the Installation Manual attached to the outdoor unit.

◆Heat insulation process Apply heat insulation for the pipes separately at liquid side and gas side.

For the heat insulation to the pipes at gas side, be sure to use the material with heat-resisting temperature 120 °C or higher.

Using the attached heat insulation material, apply the heat insulation to the pipe connecting section of the indoor unit securely without gap.

REQUIREMENT

• Apply the heat insulation to the pipe connecting section of the indoor unit securely up to the root without exposure of the pipe. (The pipe exposed to the outside causes water leak.)

• Wrap heat insulator with its slits facing up (ceiling side).

Outer dia. of connecting pipe (mm) Tightening torque (N•m)

6.4 14 to 18 (1.4 to 1.8 kgf•m)

9.5 34 to 42 (3.4 to 4.2 kgf•m)

12.7 49 to 61 (4.9 to 6.1 kgf•m)

15.9 63 to 77 (6.3 to 7.7 kgf•m)

Indoor unit

UnionHeat insulation pipe (Accessory)

Flare nut

Heat insulator of the pipe

Wrap the pipe with the attached heat insulator without any gap between the indoor unit.

The seam must be faced upward (ceiling side).

Banding band (Locally procured)

7 Electrical connection

WARNING

• Use the specified wires for wiring connect the terminals. Securely fix them to prevent external forces applied to the terminals from affecting the terminals.

Incomplete connection or fixation may cause a fire or other trouble.

• Connect earth wire. (grounding work) Incomplete grounding cause an electric shock.

Do not connect earth wires to gas pipes, water pipes, lightning conductor or telephone earth wires.

• Appliance shall be installed in accordance with national wiring regulations.

Capacity shortage of power circuit or incomplete installation may cause an electric shock or a fire.

CAUTION

• If incorrect / incomplete wiring is carried out, it will cause an electrical fire or smoke.

• Use the cord clamps attached to the product.

• Do not damage or scratch the conductive core and inner insulator of power and system interconnection wires when peeling them.

• Use the power cord and system interconnection wire of specified thickness, type, and protective devices required.

• Do not connect 208 V-240 V power to the terminal blocks ( , , , ) for control wiring. (Otherwise, the system will fail.)

• Perform the electric wiring so that it does not come to contact with the high-temperature part of the pipe.

The coating may melt resulting in an accident.

REQUIREMENT

• For power supply wiring, strictly conform to the Local Regulation in each country.

• For wiring of power supply of the outdoor units, follow the Installation Manual of each outdoor unit.

• After connecting wires to the terminal blocks, provide a trap and fix wires with the cord clamp.

• Run the refrigerant piping line and control wiring line in the same line.

• Do not turn on the power of the indoor unit until vacuuming of the refrigerant pipes completes.

Power supply wire and communication wires specifications Power supply wire and communication wires are locally procured.

For the power supply specifications, follow to the table below. If capacity is little, it is dangerous because overheat or burnout may be caused.

For specifications of the power capacity of the outdoor unit and the power supply wires, refer to the Installation Manual attached to the outdoor unit.

Indoor unit power supply

• For the power supply of the indoor unit, prepare the exclusive power supply separated from that of the outdoor unit.

• Arrange the power supply, circuit breaker, and main switch of the indoor unit connected to the same outdoor unit so that they are commonly used.

• Power supply wire specification: Cable 3-core 2.5 mm², in conformity with Design 60245 IEC 57.

U1 U2 A B

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▼ Power supply

Control wiring, Central controller wiring

• 2-core with polarity wires are used for the Control wiring between indoor unit and outdoor unit and Central controller wiring.

• To prevent noise trouble, use 2-core shield wire.

• The length of the communication line means the total length of the inter-unit wire length between indoor and outdoor units added with the central control system wire length.

▼ Communication line

Remote controller wiring

• 2-core with non-polarity wire is used for wiring of the remote controller wiring and group remote controllers wiring.

CAUTION

The remote controller wire (Communication line) and AC 2 -240 V wires cannot be parallel to contact each other and cannot be stored in the same conduits. If doing so, a trouble may be caused on the control system due to noise or other factor.

Power supply

Power supply switch / circuit breaker or power supply wiring / fuse rating for indoor units should be selected by the accumulated total current values of the indoor units.

Power supply wiring Below 50 m 2.5 mm2

Control wiring between indoor units, and outdoor unit (2-core shield wire) Wire size (Up to 1000 m) 1.25 mm²

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