2008-11-14 installation manual_multi v plus ii outdoor unit_mfl46912303

website http://www.lgservice.com

ENGLISH

LG

System Outdoor Unit R410AINSTALLATION MANUALMODELS: ARUN/ARUV Series

FRANAIS ESPAOL

IMPORTANT Please read this installation manual completely before installing the product. Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Please retain this installation manual for future reference after reading it thoroughly.

IMPORTANT!Please read this instruction sheet completely before installing the product.This air conditioning system meets strict safety and operating standards. As the installer or service person,it is an important part of your job to install or service the system so it operates safely and efficiently.WARNING Installation or repairs made by unqualified persons can result in hazards to you and others. Installation MUST conform with local building codes or, in the absence of local codes, with the National Electrical Code NFPA 70/ANSI C1-1993 or current edition and Canadian Electrical Code Part1 CSA C.22.1. The information contained in the manual is intended for use by a qualified service technician familiar with safety procedures and equipped with the proper tools and test instruments. Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.

CAUTION: Improper installation, adjustment, alteration, service or maintenance can void the warranty.The weight of the condensing unit requires caution and proper handling procedures when lifting or moving to avoid personal injury. Use care to avoid contact with sharp or pointed edges.

Safety Precautions Always wear safety eye wear and work gloves when installing equipment. Never assume electrical power is disconnected. Check with meter and equipment. Keep hands out of fan areas when power is connected to equipment. R-410A causes frostbite burns. R-410A is toxic when burned. NOTE TO INSTALLING DEALER: The Owners Instructions and Warranty are to be given to the owner or prominently displayed near the indoor Furnace/Air Handler Unit. Special warnings When wiring: Electrical shock can cause severe personal injury or death. Only a qualified, experienced electrician should attempt to wire this system. Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked. Highly dangerous electrical voltages are used in this system. Carefully refer to the wiring diagram and these instructions when wiring. Improper connections and inadequate grounding can cause accidental injury or death. Ground the unit following local electrical codes. Connect all wiring tightly. Loose wiring may cause overheating at connection points and a possible fire hazard.

When transporting:Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and bend your knees when lifting to reduce strain on your back. Sharp edges or thin aluminum fins on the air conditioner can cut your finger.

When installing...... in a wall: Make sure the wall is strong enough to hold the unit's weight. It may be necessary to construct a strong wood or metal frame to provide added support. ... in a room: Properly insulate any tubing run inside a room to prevent "sweating" that can cause dripping and water damage to wall and floors. ... in moist or uneven locatinons: Use a raised concrete pad or concrete blocks provide a solid, level foundation for the outdoor unit. This prevents water damage and abnormal vibration. ... in an area with high winds: Securely anchor the outdoor unit down with bolts and a metal frame. Provide a suitable air baffle. ... in a snowy area(for Heat Pump Model): Install the outdoor unit on a raised platform that is higher than drifting snow. Provide snow vents.

When connecting refrigerant tubing Keep all tubing runs as short as possible. Use the flare method for connecting tubing. Check carefully for leaks before starting the test run.

When servicing Turn the power OFF at the main power box(mains) before opening the unit to check or repair electrical parts and wiring. Keep your fingers and clothing away from any moving parts. Clean up the site after you finish, remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced.

2

Outdoor Unit

ARUV(N) Series Outdoor unit Installation Manual

Safety Precautions

TABLE OF CONTENTSENGLISHSafety Precautions.........................3 Installation Process .....................11 Outdoor units Information ..........12 Environment-friendly Alternative Refrigerant R410A .......................14 Select the Best Location .............14 Installation Space ........................15 Lifting method ..............................19 Installation ....................................20 Refrigerant piping installation ....22 Electrical Wiring...........................47 Test Run........................................66 Caution For Refrigerant Leak .....79 Installation guide at the seaside .....81Installation Manual 3

Safety Precautions

Safety PrecautionsTo prevent injury to the user or other people and property damage, the following instructions must be followed. I Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage to properties only.I Meanings of symbols used in this manual are as shown below.

Be sure not to do. Be sure to follow the instruction.

I Installation Have all electric work done by a licensed electrician according to "Electric Facility Engineering Standard" and "Interior Wire Regulations" and the instructions given in this manual and always use a special circuit. If the power source capacity is inadequate or electric work is performed improperly, electric shock or fire may result. Ask the dealer or an authorized technician to install the air conditioner.

Improper installation by the user may result in water leakage, electric shock, or fire.

Always ground the product. There is risk of fire or electric shock.

Always intstall a dedicated circuit and breaker. Improper wiring or installation may cause fire or electric shock.

4

Outdoor Unit

Safety Precautions For re-installation of the installed product, always contact a dealer or an Authorized Service Center. There is risk of fire, electric shock, explosion, or injury. Do not install, remove, or re-install the unit by yourself (customer). There is risk of fire, electric shock, explosion, or injury.

ENGLISH

Do not store or use flammable gas or combustibles near the air conditioner. There is risk of fire or failure of product.

Use the correctly rated breaker or fuse. There is risk of fire or electric shock.

Gasolin

Prepare for strong wind or earthquake and install the unit at the specified place. Improper installation may cause the unit to topple and result in injury.

Do not install the product on a defective installation stand. It may cause injury, accident, or damage to the product.

When installing and moving the air conditioner to another site, do not charge it with a different refrigerant from the refrigerant specified on the unit. If a different refrigerant or air is mixed with the original refrigerant, the refrigerant cycle may malfunction and the unit may be damaged.

Do not reconstruct to change the settings of the protection devices.

If the pressure switch, thermal switch, or other protection device is shorted and operated forcibly, or parts other than those specified by LGE are used, fire or explosion may result.

R410A

R22 R407C

Installation Manual 5

Safety Precautions Ventilate before operating air conditioner when gas leaked out. It may cause explosion, fire, and burn. Securely install the cover of control box and the panel. If the cover and panel are not installed securely, dust or water may enter the outdoor unit and fire or electric shock may result.

If the air conditioner is installed in a small room, measures must be taken to prevent the refrigerant concentration from exceeding the safety limit when the refrigerant leaks. Consult the dealer regarding the appropriate measures to prevent the safety limit from being exceeded. Should the refrigerant leak and cause the safety limit to be exceeded, harzards due to lack of oxygen in the room could result.

I Operation Do not damage or use an unspecified power cord. There is risk of fire, electric shock, explosion, or injury.

Use a dedicated outlet for this appliance. There is risk of fire or electrical shock.

Be cautious that water could not enter the product. There is risk of fire, electric shock, or product damage.

Do not touch the power switch with wet hands. There is risk of fire, electric shock, explosion, or injury.

6

Outdoor Unit

Safety Precautions When the product is soaked (flooded or submerged), contact an Authorized Service Center. There is risk of fire or electric shock. Be cautious not to touch the sharp edges when installing. It may cause injury.

ENGLISH

Take care to ensure that nobody could step on or fall onto the outdoor unit. This could result in personal injury and product damage.

Do not open the inlet grille of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.) There is risk of physical injury, electric shock, or product failure.

I Installation Always check for gas (refrigerant) leakage after installation or repair of product. Low refrigerant levels may cause failure of product. Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. It may cause a problem for your neighbors.

Keep level even when installing the product. To avoid vibration or water leakage.

Do not install the unit where combustible gas may leak. If the gas leaks and accumulates around the unit, an explosion may result.

90

Gasolin


Safety Precautions Use power cables of sufficient current carrying capacity and rating. Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigeration system. There is risk of damage or loss of property.

Cables that are too small may leak, generate heat, and cause a fire.

Keep the unit away from children. The heat exchanger is very sharp. It can cause the injury, such as cutting the finger. Also the damaged fin may result in degradation of capacity.

When installting the unit in a hospital, communication station, or similar place, provide sufficient protection against noise. The inverter equipment, private power generator, high-frequency medical equipment, or radio communication equipment may cause the air conditioner to operate erroneously, or fail to operate. On the other hand, the air conditioner may affect such equipment by creating noise that disturbs medical treatment or image broadcasting.

Do not install the product where it is exposed to sea wind (salt spray) directly. It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation.

8

Outdoor Unit

Safety Precautions I Operation Do not use the air conditioner in special environments. Oil, steam, sulfuric smoke, etc. can significantly reduce the performance of the air conditioner or damage its parts. Do not block the inlet or outlet. It may cause failure of appliance or accident.

ENGLISH

Make the connections securely so that the outside force of the cable may not be applied to the terminals. Inadequate connection and fastening may generate heat and cause a fire.

Be sure the installation area does not deteriorate with age. If the base collapses, the air conditioner could fall with it, causing property damage, product failure, or personal injury.

Install and insulate the drain hose to ensure that water is drained away properly based on the installation manual. A bad connection may cause water leakage.

Be very careful about product transportation. Only one person should not carry the product if it weighs more than 20 kg. Some products use PP bands for packaging. Do not use any PP bands for a means of transportation. It is dangerous. Do not touch the heat exchanger fins. Doing so may cut your fingers. When transporting the outdoor unit, suspending it at the specified positions on the unit base. Also support the outdoor unit at four points so that it cannot slip sideways.


Safety Precautions Safely dispose of the packing materials. Turn on the power at least 6 hours before starting operation. Starting operation immediately after turning on the main power switch can result in severe damage to internal parts. Keep the power switch turned on during the operational season.

Packing materials, such as nails and other metal or wooden parts, may cause stabs or other injuries. Tear apart and throw away plastic packaging bags so that children may not play with them. If children play with a plastic bag which was not torn apart, they face the risk of suffocation.

Do not touch any of the refrigerant piping during and after operation. It can cause a burn or frostbite.

Do not operate the air conditioner with the panels or guards removed. Rotating, hot, or high-voltage parts can cause injuries.

Do not directly turn off the main power switch after stopping operation. Wait at least 5 minutes before turning off the main power switch. Otherwise it may result in water leakage or other problems.

Auto-addressing should be done in condition of connecting the power of all indoor and outdoour units. Auto-addressing should also be done in case of changing the indoor unit PCB.

Use a firm stool or ladder when cleaning or maintaining the air conditioner. Be careful and avoid personal injury.

Do not insert hands or other objects through the air inlet or outlet while the air conditioner is plugged in. There are sharp and moving parts that could cause personal injury.

10

Outdoor Unit

Installation Process

Installation ProcessDetermination of division work

Indicate clearly who is to be responsible for switch settings

ENGLISH

Preparation of contract drawings

Make relationship between outdoor, indoor, remote controller, and option connections clear. (Prepare control circuit diagram)

Sleeve and insert work

Take account of gradient of drain piping Check model name to make sure the fitting is made correctly Special attention to dryness, cleanness and tightness Adjust to downward gradient Make sure airflow is sufficient Make sure no gaps are left where the insulating materials are joined Multiple core cable must not be used. (suitable cable should be selected)

Outdoor unit foundation work

The foundation must be level even Avoid short circuits and ensure sufficient space is allowed for service

Installation of indoor unit

Installation of outdoor unit

Refrigerant piping work

Drain pipe work

Duct work

Heat insulation work

Electrical work (connection circuits and drive circuits)

Airtight test

In the final check for 24hours at 3.8 MPa(38.7 kgf/cm2) there must be no drop in pressure.

Vacuum drying

The vacuum pump used must have a capacity of reaching at least 5 torr, more than 1 hour Recharge correctly as calculated in this manual. and record the amount of added refrigerant

Additional charge of refrigerant

Fit facing panels

Make sure there are no gaps left between the facing materials used on the ceiling Refer to automatic addressing flowchart Preheat the crank case with the electrical heater for more than 6 hours. Run each indoor unit in turn to make sure the pipe work has been fitted correctly Explain the use of the system as clearly as possible to your customer and make sure all relevant documentation is in order

Automatic addressing of indoor unit

Test run adjustment

Transfer to customer with explanation

The above list indicates the order in which the individual work operations are normally carried out but this order may be varied where local conditions warrants such change. The wall thickness of the piping should comply with the relevant local and national regulations for the designed pressure 3.8MPa. Since R410A is a mixed refrigerant, the required additional refrigerant must be charged in its liquid state.(If the refrigerant is charged in its gaseous state, its composition changes and the system will not work properly.)


Outdoor Units Information

Outdoor units InformationCAUTION: Ratio of the connectable Indoor Units to the Outdoor: Within 50 ~ 130%Ratio of the running Indoor Units to the Outdoor: Within 10 ~ 100% A combination operation over 100% cause to reduce the total capacity.

Power Supply: Outdoor Unit (3, 460V, 60Hz)I Heat pumpUnit System Model HP Ton 1 Outdoor Unit 2 Outdoor Units 8 10 12 14 16 18 20 6.5 8.0 9.5 11.0 12.5 14.5 16.0 ARUN076DT2 ARUN096DT2 ARUN115DT2 ARUN134DT2 ARUN154DT2 ARUN173DT2 ARUN192DT2 ARUN096DT2 ARUN115DT2 ARUN076DT2 ARUN076DT2 8+8(17.6+17.6) 8+8(17.6+17.6) 8(17.6) 8(17.6) 8(17.6) 8(17.6) 8(17.6) -1(-2.2) 0(0) 1(2.2) 2(4.4) 3(6.6) -1(-2.2) 0(0) 13 16 19 23 26 29 32

Product Charge CF(Correction Factor) Max. Connectable No. of Indoor Units Net Weight Dimensions (WxHxD) Connecting Pipes

kg(lbs) kg(lbs)

240 285 kg 529 628 lbs mm 1,280x1,607x730 1,280x1,607x730 inch (50-3/8 x 63-5/16 x 28-11/16) (50-3/8 x 63-5/16 x 28-11/16) Liquid Pipes[mm(inch)] 9.52(3/8) 9.52(3/8) Gas Pipes[mm(inch)] 19.05(3/4) 22.2(7/8)

285 285 628 628 1,280x1,607x730 1,280x1,607x730 (50-3/8 x 63-5/16 x 28-11/16) (50-3/8 x 63-5/16 x 28-11/16) 12.7(1/2) 12.7(1/2) 28.58(1 1/8) 28.58(1 1/8)

285 285+240 285+240 628 628+529 628+529 1,280x1,607x730 (1,280x1,607x730)x2 (1,280x1,607x730)x2 (50-3/8 x 63-5/16 x 28-11/16) ( 50-3/8 x 63-5/16 x 28-11/16) x 2) ( 50-3/8 x 63-5/16 x 28-11/16) x 2) 12.7(1/2) 15.88(5/8) 15.88(5/8) 28.58(1 1/8) 28.58(1 1/8) 28.58(1 1/8)

Unit System Model

HP Ton

Product Charge CF(Correction Factor) Max. Connectable No. of Indoor Units Net Weight Dimensions (WxHxD) Connecting Pipes

kg(lbs) kg(lbs)

22 17.5 ARUN211DT2 ARUN134DT2 ARUN076DT2 8+8(17.6+17.6) 1(2.2) 35


2 Outdoor Units 26 28 20.5 22.5 ARUN250DT2 ARUN270DT2 ARUN134DT2 ARUN134DT2 ARUN115DT2 ARUN134DT2 8+8(17.6+17.6) 8+8(17.6+17.6) 3(6.6) 4(8.8) 42 45



kg 285+240 285+240 285x2 285x2 285x2 285x2 lbs 628+529 628+529 628x2 628x2 628x2 628x2 mm (1,280x1,607x730)x2 (1,280x1,607x730)x2 (1,280x1,607x730)x2 (1,280x1,607x730)x2 (1,280x1,607x730)x2 (1,280x1,607x730)x2 inch ((50-3/8 x 63-5/16 x 28-11/16) x 2) ((50-3/8 x 63-5/16 x 28-11/16) x 2) ((50-3/8 x 63-5/16 x 28-11/16) x 2) ((50-3/8 x 63-5/16 x 28-11/16) x 2) ((50-3/8 x 63-5/16 x 28-11/16) x 2) ((50-3/8 x 63-5/16 x 28-11/16) x 2) Liquid Pipes[mm(inch)] 15.88(5/8) 15.88(5/8) 19.05(3/4) 19.05(3/4) 19.05(3/4) 19.05(3/4) Gas Pipes[mm(inch)] 28.58(1 1/8) 34.9(1 3/8) 34.9(1 3/8) 34.9(1 3/8) 34.9(1 3/8) 34.9(1 3/8)

12

Outdoor Unit

Outdoor Units Information

Power Supply: Outdoor Unit (3, 208/230V, 60Hz)I Heat pumpUnit System 2 Outdoor Units 16 11.0 Model ARUN154BT2 ARUN076BT2 ARUN076BT2 Product Charge kg(lbs) 8(17.6) 8(17.6) 8(17.6) 8+8(17.6+17.6) CF(Correction Factor) kg(lbs) -1(-2.2) 0(0) 1(2.2) -2(-4.4) Max. Connectable No. of Indoor Units 13 16 19 26 Net Weight kg 285 285 285 285+285 lbs 628 628 628 628+628 Dimensions mm 1,280x1,607x730 1,280x1,607x730 1,280x1,607x730 (1,280x1,607x730)x2 (WxHxD) inch (50-3/8 x 63-5/16 x 28-11/16) (50-3/8 x 63-5/16 x 28-11/16) (50-3/8 x 63-5/16 x 28-11/16) ((50-3/8 x 63-5/16 x 28-11/16) x 2) Connecting Pipes Liquid Pipes[mm(inch)] 9.52(3/8) 9.52(3/8) 12.7(1/2) 12.7(1/2) Gas Pipes[mm(inch)] 19.05(3/4) 22.2(7/8) 28.58(1 1/8) 28.58(1 1/8) HP Ton 8 6.5 ARUN076BT2 12 9.5 ARUN115BT2 Unit System 2 Outdoor Unit 18 20 22 24 14.5 16.0 17.5 19.0 Model ARUN173BT2 ARUN192BT2 ARUN211BT2 ARUN230BT2 ARUN096BT2 ARUN096BT2 ARUN115BT2 ARUN115BT2 ARUN076BT2 ARUN096BT2 ARUN096BT2 ARUN115BT2 Product Charge kg(lbs) 8+8(17.6+17.6) 8+8(17.6+17.6) 8+8(17.6+17.6) 8+8(17.6+17.6) CF(Correction Factor) kg(lbs) -1(-2.2) 0(0) 1(2.2) 2(4.4) Max. Connectable No. of Indoor Units 29 32 35 39 Net Weight kg 285+285 285+285 285+285 285+285 lbs 628+628 628+628 628+628 628+628 Dimensions mm (1,280x1,607x730)x2 (1,280x1,607x730)x2 (1,280x1,607x730)x2 (1,280x1,607x730)x2 (WxHxD) inch ((50-3/8 x 63-5/16 x 28-11/16) x 2) ((50-3/8 x 63-5/16 x 28-11/16) x 2) ((50-3/8 x 63-5/16 x 28-11/16) x 2) ((50-3/8 x 63-5/16 x 28-11/16) x 2) Connecting Pipes Liquid Pipes[mm(inch)] 15.88(5/8) 15.88(5/8) 15.88(5/8) 15.88(5/8) Gas Pipes[mm(inch)] 28.58(1 1/8) 28.58(1 1/8) 28.58(1 1/8) 34.9(1 3/8) HP Ton 1 Outdoor Unit 10 8.0 ARUN096BT2

ENGLISH


Environment-friendly Alternative Refrigerant R410A

Environment-friendly Alternative Refrigerant R410A The refrigerant R410A has the property of higher operating pressure in comparison with R22. Therefore, all materials have the characteristics of higher resisting pressure than R22 ones and this characteristic should be also considered during the installation. R410A is an azeotrope of R32 and R125 mixed at 50:50, so the ozone depletion potential (ODP) of R410A is 0. These days the developed countries have approved it as the environment-friendly refrigerant and encouraged to use it widely to prevent environment pollution.

CAUTION: The wall thickness of the piping should comply with the relevant local and national regulations for the designed pressure 3.8MPa Since R410A is a mixed refrigerant, the required additional refrigerant must be charged in its liquid state. If the refrigerant is charged in its gaseous state, its composition changes and the system will not work properly. Do not place the refrigerant container under the direct rays of the sun to prevent it from exploding. For high-pressure refrigerant, any unapproved pipe must not be used. Do not heat pipes more than necessary to prevent them from softening. Be careful not to install wrongly to minimize economic loss because it is expensive in comparison with R22.

Select the Best LocationSelect space for installing outdoor unit, which will meet the following conditions: No direct thermal radiation from other heat sources No possibility of annoying neighbors by noise from unit No exposition to strong wind With strength which bears weight of unit Note that drain flows out of unit when heating With space for air passage and service work shown next Because of the possibility of fire, do not install unit to the space where generation, inflow, stagnation, and leakage of combustible gas is expected. Avoid unit installation in a place where acidic solution and spray (sulfur) are often used. Do not use unit under any special environment where oil, steam and sulfuric gas exist. It is recommended to fence round the outdoor unit in order to prevent any person or animal from accessing the outdoor unit. If installation site is area of heavy snowfall, then the following directions should be observed. - Make the foundation as high as possible. - Fit a snow protection hood. Select installation location considering following conditions to avoid bad condition when additionally performing defrost operation. 1. Install the outdoor unit at a place well ventilated and having a lot of sunshine in case of installing the product at a place with a high humidity in winter (neare beach, coast, lake, etc). (Ex) Rooftop where sunshine always shines. 2. Performance of heating will be reduced and preheat time of the indoor unit may be lengthened in case of installing the outdoor unit in winter at following location: (1) Shade position with a narrow space (2) Location with much moisture in neighboring floor. (3) Location with much humidity around. (4) Location where water gathers since the floor is not even.

14

Outdoor Unit

Installation Space

Installation SpaceIndividual Installation ENGLISHI Basic space requiredA space of at least 250mm(9-13/16 inch) is necessary at the back for inlet air. Taking servicing, etc. from the rear into account, a space of about 915mm(36 inches) should be provided, the same as at the front.915mm(36 inches) or more (Control box is open/close type) 250mm(9-13/16 inch) or more Top discharge (open in principle) Front inlet (open in principle) Rear inlet (open in principle)D EControl BoxControl Box

C

Rear Side

B

Rear Side

B

Front Side

Front SideA

A

< Side view >

< Top view >

I When inlet air enters from right and left sides of unit915mm(36 inches) or more (Control box is open/close type) 250mm(9-13/16 inch) or more 150mm(5-7/8 inch) from the wallA B

h

H

CAUTIONWall height(H) must not exceed height of the product. If the wall height is higher than the whole height of product by (h), Add (h) to , .< Side view >Rear Side

B C

Rear Side

B C

C

C

Front Side

A

Front Side

A

< Top view >A 250mm(9-13/16 inch) or moreA

h

(350mm(13-3/4 inch)or more at the coastal area.) B 150mm(5-7/8 inch) from the wall

CAUTIONWall height(H) must not exceed height of the product. If the wall height is higher than the whole height of product by (h), Add (h) to , .

H

< Side view >Rear Side

A B

Rear Side

A B

B

B

Front Side

< Top view >

Front Side


Installation SpaceI When unit is surrounded by wallsA 915mm(36 inches) or more (Control box is of a open/close type) B 250mm(9-13/16 inch) or more

Rear Side

B B B

Rear Side

B B

B

Front Side

A

Front Side

A

I When there is an obstruction above the unit

A A

A 45 or more B 200mm(7-7/8 inch) or more C 250mm(9-13/16 inch) or more

B

B

C

C

< Front view >

C

< Front view >D Air guide E Air outlet guide (Procured at the site) F 250mm(9-13/16 inch) or moreD

58

7.6

(23

-1/

8)

390(15-3/8)

372.5(14-11/16)

E

F

125

(4-

15/

16)723

.5(2

8-1

/2)

< Side view >

< Air guide >

16

Outdoor Unit

Installation Space

Collective / Continuous installationSpace required for collective installation and continuous installation:When installing several units, leave space between each block as shown below considering passage for air and people.

ENGLISH

A (Be opened) B 915mm(36 inches) or more (control box is of a open/close type) C 250mm(9-13/16 inch) or more D 150mm(5-7/8 inch) or moreFront Side Rear Side Front Side Rear Side Front Side

Front Side

Rear Side

Front Side

Rear Side

Rear Side

Rear Side

Rear Side

Rear Side

Front Side

Front Side

Front Side

Front Side

Front Side

Front Side

Front Side

Rear Side

Front Side

Front Side

Rear Side

Rear Side

Rear Side

D

Rear Side

D

Rear Side

D

Rear Side

Front Side

Front Side

Front Side

Front Side


Rear Side

Rear Side

B = 1250mm(49-1/4 inch) or more at the coastal area or strong wind area

Rear Side

Installation Space Seasonal wind and cautions in winter Sufficient measures are required in a snow area or severe cold area in winter so that product can be operated well. Get ready for seasonal wind or snow in winter even in other areas. Install a suction and discharge duct not to let in snow or rain. Install the outdoor unit not to come in contact with snow directly. If snow piles up and freezes on the air suction hole, the system may malfunction. If it is installed at snowy area, attach the hood to the system. Install the outdoor unit at the higher installation console by 50cm than the average snowfall (annual average snowfall) if it is installed at the area with much snowfall. Where snow accumulated on the upper part of the Outdoor Unit by more than 10cm, always remove snow for operation.

1. The height of H frame must be more than 2 times the snowfall and its width shall not exceed the width of the product. (If width of the frame is wider than that of the product, snow may accumulate) 2. Don't install the suction hole and discharge hole of the Outdoor Unit facing the seasonal wind.

18

Outdoor Unit

Lifting Method

Lifting method When carrying the suspended, unit pass the ropes under the unit and use the two suspension points each at the front and rear. Always lift the unit with ropes attached at four points so that impact is not applied to the unit. Attach the ropes to the unit at an angle of 40 or less.

ENGLISH

Sub line

A 40 or less

WARNING

CAUTIONBe very careful while carrying the product. Do not have only one person carry product if it is more than 20 kg(44 lbs). PP bands are used to pack some products. Do not use them as a mean for transportation because they are dangerous. Do not touch heat exchanger fins with your bare hands. Otherwise you may get a cut in your hands. Tear plastic packaging bag and scrap it so that children cannot play with it. Otherwise plastic packaging bag may suffocate children to death. When carrying in Outdoor Unit, be sure to support it at four points. Carrying in and lifting with 3-point support may make Outdoor Unit unstable, resulting in a fall. Be very careful while carrying ARUN076DT2. It will be tilted in right side.


Installation

InstallationLocation of anchor bolt(To be applied to 1, 2 Units installation)I Individual installation10(3/8) 7002(27-9/161/16)

Unit: mm(inch)

UW1

UW1

9002 (35-7/161/16)

9002 383 (15-1/16) (35-7/161/16)

I Collective installation

7002 (27-9/161/16)

UW1

UW1150 (5-7/8) 9002 (35-7/161/16) 533 (20-15/16)

UW1

UW1

10(3/8) 383 9002 (35-7/161/16) (15-1/16)

10(3/8) 383 9002 9002 (35-7/161/16) (15-1/16) (35-7/161/16)

I Installation foot(Location of anchor bolt)

(UW1)

(35 900 -7/ mm 16 inc h)

20

Outdoor Unit

Installation

Foundation for Installation Fix the unit tightly with bolts as shown below so that unit will not fall down due to earthquake or gust. Use the H-beam support as a base support Noise and vibration may occur from the floor or wall since vibration is transferred through the installation part depending on installation status. Thus, use anti-vibration materials (cushion pad) fully (The base pad shall be more than 200mm).

ENGLISH

A Ensure that the corner part can be securely mounted. Otherwise, the support for

installation may be bent.B Obtain and use the M10 anchor bolt. C The corner was not properly mounted. D Outdoor unit (Insert the cushion pad between outdoor unit and base support to ensure that

anti-vibration may be done in a wide area)G

E Pipe and wiring space (in case of piping and wiring on the floor surface) F H-Beam support G Concrete base support

WARNING Be sure to install unit in a place strong enough to withstand its weight. Any lack of strength may cause unit to fall down, resulting in a personal injury. Have installation work in order to protect against a strong wind and earthquake. Any installation deficiency may cause unit to fall down, resulting in a personal injury. Especially take care for support strength of the floor surface, water drain processing (processing of water flown out from the outdoor unit during operation) and paths of the pipe and wiring when making a base support. Don't use a tube or pipe for water drain in the base pan and perform water drain processing by using the drain path. Water drain may not be done due to freezing of a tube or pipe. Rear view Side view

Water Drain Path


Refrigerant piping installation

Refrigerant piping installationWARNINGAlways use extreme care to prevent the refrigerant gas (R410A) from leakage while using fire or flame. If the refrigerant gas comes in contact with the flame from any source, such as a gas stove, it breaks down and generates a poisonous gas which can cause gas poisoning. Never perform brazing in an unventilated room. Always conduct an inspection for gas leakage after installation of the refrigerant piping has been completed.

Cautions in pipe connection/valve operationCut both the pipe and the valve with a cutter to suit the length (Don't cut the length of less than 70mm)

Open status when both the pipe and the valve are in a straight line.CLOSE OPEN

WARNINGAfter completing work, securely tighten both service ports and caps so that gas does not leak. Pipe joint (auxiliary parts): Securely perform brazing with a nitrogen blow into the service valve port.(Releasing pressure : 0.29 psi or less) Flare nut: Loose or tighten flare nut by using the wrench with both ends. Coat the flare connection part with oil for the compressor. Cap: Remove caps and operate valve, etc. After operation, always reattach caps (tightening torque of valve cap: 25Nm (250kg-cm) or more). (Don't remove the internal part of the port) Service port: Make the refrigerant pipe vacuum and charge it using the service port. Always reattach caps after completing work (tightening torque of service cap: 10 lbfft or more). Liquid pipe Gas pipe Elbow joint (field supply)Elbow Ball Valve(Gas Pipe)

Ball Valve(Liquid Pipe)

22

Outdoor Unit


Connection of High/Low Pressure Common pipe

ENGLISH

Slave Outdoor Unit

Master Outdoor Unit

2 outdoor units1. For the High/Low Pressure Common pipe, connect both Master Outdoor Unit and Slave (1, 2) Outdoor Unit to the pipe (field supply) by using elbows (field supply) 2. For cutting the pipe, connect the High/Low Pressure Common pipe after removing burrs, dusts and foreign materials within the pipe. Otherwise, the product may not operate due to sludge within the pipe.

When connecting the pipes from the front of the outdoor unit, remove part . When connecting the pipes from the side of the outdoor unit, remove part (the whole "Knock out" part).

(Front)

WARNINGAfter installing the pipe, clog the pipe excavation inlet of the front panel and the side panel (Wire may be damaged due to entry of rats, animals, etc).

23

Outdoor Unit



Connection of Outdoor units2 outdoor unitsModel

Connection of gas pipeBlow nitrogen while brazing

Connection of liquid pipeMaster outdoor liquid pipe 9.52(3/8) 12.7(1/2) 19.05(3/4) 12.7(1/2) 28.58(11/8) Main pipe

Unit: mm(inch)

Don't cut the pipe less than 70mm(2-3/4inch)

34.9(1-3/8) Master outdoor 28.58(11/8) gas pipe 31.8(11/4)

12.7(1/2)

ARCNN20

19.05(3/4) 28.58(11/8) 22.2(7/8)

15.88(5/8) Main pipe OD12.7(1/2) 22.2(7/8)

15.88(5/8)

19.05(3/4) OD34.9(1-3/8) OD28.58(11/8) 22.2(7/8) 38.1(11/2)

OD19.05(3/4)

9.52(3/8)

OD19.05(3/4)

Y branchA BWithin +/- 10

Facing downwards

Facing upwards

A To outdoor unit B To branch piping or indoor unit

Viewed from point A in direction of arrow

Within 3

Within 3

24

Outdoor Unit


Caution1. Use the following materials for refrigerant piping. Material: Seamless phosphorous deoxidized copper pipe Wall thickness : Comply with the relevant local and national regulations for the designed pressure 3.8MPa. We recommend the following table as the minimum wall thickness. Outer diameter [mm(inch)] Minimum thickness [mm(inch)] 6.35 (1/4) 0.8 (0.03) 9.52 (3/8) 0.8 (0.03) 12.7 (1/2) 0.8 (0.03) 15.88 (5/8) 0.99 (3.25) 19.05 (3/4) 0.99 (0.04) 22.2 (7/8) 0.99 (0.04) 25.4 (1) 0.99 (0.04) 28.58 (1-1/8) 0.99 (0.04) 31.8 (1-1/4) 1.1 (0.04) 34.9 (1-3/8) 1.21 (0.05) 38.1 41.3 (1-1/2) (1-15/16) 1.35 (0.05) 1.43 (0.06)

ENGLISH

2. Commercially available piping often contains dust and other materials. Always blow it clean with a dry inert gas. 3. Use care to prevent dust, water or other contaminants from entering the piping during installation. 4. Reduce the number of bending portions as much as possible, and make bending radius as big as possible. 5. Always use the branch piping set shown below, which are sold separately. Y branch 4 branch ARBLN01620 ARBLN07120 ARBLN03320 ARBLN14520 ARBL054 ARBL104 Header 7 branch ARBL057 ARBL107 10 branch ARBL1010 ARBL2010

6. If the diameters of the branch piping of the designated refrigerant piping differs, use a pipe cutter to cut the connecting section and then use an adapter for connecting different diameters to connect the piping. 7. Always observe the restrictions on the refrigerant piping (such as rated length, difference in height, and piping diameter). Failure to do so can result in equipment failure or a decline in heating/cooling performance. 8. A second branch cannot be made after a header. (These are shown by .)

A

A B

A To Outdoor Unit B Sealed Piping

9. The Multi V will stop due to an abnormality like excessive or insufficient refrigerant. At such a time, always properly charge the unit. When servicing, always check the notes concerning both the piping length and the amount of additional refrigerant. 10. Never use refrigerant to perform an air purge. Always evacuate using a vacuum pump. 11. Always insulate the piping properly. Insufficient insulation will result in a decline in heating/cooling performance, drip of condensate and other such problems. 12. When connecting the refrigerant piping, make sure the service valves of the Outdoor Unit is completely closed (the factory setting) and do not operate it until the refrigerant piping for the Outdoor and Indoor Units has been connected, a refrigerant leakage test has been performed and the evacuation process has been completed. 13. Always use a non-oxidizing brazing material for brazing the parts and do not use flux. If not, oxidized film can cause clogging or damage to the compressor unit and flux can harm the copper piping or refrigerant oil.


Refrigerant piping installation12. Always insulate the piping properly. Insufficient insulation will result in a decline in heating/cooling performance, drip of condensate and other such problems. 13. When connecting the refrigerant piping, make sure the service valves of the Outdoor Unit is completely closed (the factory setting) and do not operate it until the refrigerant piping for the Outdoor and Indoor Units has been connected, a refrigerant leakage test has been performed and the evacuation process has been completed. 14. Always use a non-oxidizing brazing material for brazing the parts and do not use flux. If not, oxidized film can cause clogging or damage to the compressor unit and flux can harm the copper piping or refrigerant oil.

WARNINGWhen installing and moving the air conditioner to another site, be sure to make recharge refrigerant after perfect evacuation. - If a different refrigerant or air is mixed with the original refrigerant, the refrigerant cycle may malfunction and the unit may be damaged. - After selecting diameter of the refrigerant pipe to suit total capacity of the indoor unit connected after branching, use an appropriate branch pipe set according to the pipe diameter of the indoor unit and the installation pipe drawing.

Pipe length between Outdoor Units (Gas pipe, Liquid pipe, High/Low Pressure Common pipe)= Product length + (distance between Outdoor Units)

Product length Distance between Outdoor Units

26

Outdoor Unit


Refrigerant piping system N Y branch method ENGLISH1 Outdoor UnitsExample : 5 Indoor Units connected: Outdoor Unit : 1st branch (Y branch) : Indoor Units

100m(328ft)

L150m(492ft) (200m(656ft) : Conditional application) l 40m(131ft) (90m(295ft) : Conditional application)

15m(49ft)

2 Outdoor UnitsExample : 5 Indoor Units connected: Outdoor Unit : 1st branch (Y branch) : Indoor Units : Downward Indoor Unit100m(328ft)10m (32.8ft) or less

Slave Master

: Connection branch pipe between Outdoor units: ARCNN20

L150m(492ft) (200m(656ft) : Conditional application) l 40m(131ft) (90m(295ft) : Conditional application)

15m(49ft)

Piping length from outdoor branch to outdoor unit 10m(32.8ft), equivalent length:max 13m(42.7ft) (for 18HP or more) Conditional Application To satisfy below condition to make 40 m ~ 90 m(131 ft ~295 ft) of pipe length after first branch. 1) Diameter of pipes between first branch and the last branch should be increased by one step, except pipe diameter B,C,D is same as Diameter A 6.35(1/4 inch) 9.52(3/8 inch) 12.7(1/2 inch) 15.88(5/8 inch) 19.05(3/4 inch) 22.2(7/8 inch) 25.4*(1* inch), 28.58(1-1/8 inch) 31.8*(1-1/4* inch), 34.9(1-3/8 inch) 38.1*(1-1/2* inch) * : It is not necessary to size up. 2) While calculating whole refrigerant pipe length, pipe B,C,D length should be calculated twice. A+Bx2+Cx2+Dx2+a+b+c+d+e 1,000 m(3,281 ft) 3) Length of pipe from each indoor unit to the closest branch (a,b,c,d,e) 40m(131ft) 4) [Length of pipe from outdoor unit to the farthest indoor unit 5 (A+B+C+D+e)] - [Length of pipe outdoor unit to the closest indoor unit 1 (A+a)] 40m(131ft)



Refrigerant pipe diameter from branch to branch (B,C,D)Downward Indoor Unit total capacity [kW(Btu/h)]

I Si de l'air entre par les latraux droit et gauche de l'unitA 915mm(36 inches) ou plus (botier de commande du type ouvrir/fermer) B 250mm(9-13/16 inch) ou plus C 150mm(5-7/8 inch) partir du murA B

h

ATTENTIONLa hauteur du mur (H) ne doit pas dpasser la hauteur du produit. Si la hauteur du mur dpasse celle de l'ensemble du produit de (h), ajoutez (h) , .< Vue latrale >Face arrire

H

B C

Face arrire

B C

C

C

Face avant

A

Face avant

A

< Vue d'en haut >A

h

250mm(9-13/16 inch) ou plus (350mm(13-3/4 inch) ou plus dans la zone littorale.) B 150mm(5-7/8 inch) partir du murA

H

ATTENTIONLa hauteur du mur (H) ne doit pas dpasser la hauteur du produit. Si la hauteur du mur dpasse celle de l'ensemble du produit de (h), ajoutez (h) , .< Vue latrale >

Face arrire

A B

Face arrire

A B

B

B

Face avant< Vue d'en haut >

Face avant

Manuel dinstallation 15

Espace dinstallationI Quand il y a une obstruction au-dessus de lunitA 915mm(36 inches) ou plus (la bote de contrle est de type ouvert/ferm) B 250mm(9-13/16 inch) ou plus

Partie avant

B B B

Partie avant

B B

B

Partie arrire

A

Partie arrire

A

I Quand il y a une obstruction au-dessus de lunit

A A

A 45 ou plus B 200mm(7-7/8 inch) ou plus C 250mm(9-13/16 inch) ou plus

B

B

C

C

C

D Guide de lair E Guide de lair de sortie (procur par le site) F 250mm(9-13/16 inch) ou plus

D

58

7.6

(23

-1/

8)

390(15-3/8)

372.5(14-11/16)

E

F

125

(4-

15/

16)723

.5(2

8-1

/2)

16

Unit extrieurieur

Espace dinstallation

Collective / Installation continueEspace requis pour une installation collective et continue : lors de linstallation de plusieurs units, laisser un espace entre chaque bloc comme indiqu ci-dessous en tenant compte du passage de lair et des personnes.A (tre ouvert) B 915mm(36 inches) ou plus (la bote de contrle est de type ouvert/ferm) C 250mm(9-13/16 inch) ou plusFace arrire Face arrire Face avant Face avant Face arrire

D 150mm(5-7/8 inch) ou plus

Face arrire

Face arrire

Face avant

Face avant

Face avant

FRANAIS

Face arrire

Face arrire

Face arrire

Face arrire

Face avant

Face avant

Face avant

Face avant

Face arrire

Face arrire

Face avant

Face arrire

Face arrire

D

Face arrire

D

Face arrire

D

Face arrire

Face avant

Face avant

Face avant

Face avant


Face arrire

Face avant

Face arrire

Face avant

Face avant

Face avant

B = 1250mm(49-1/4 inch) ou plus dans une zone ctire ou fort vente.

Espace dinstallation Prcautions en hiver particulirement pour le vent saisonnier Il faut tenir compte de certains mesures dans les rgions neigeuses ou extrmement froides en hiver de manire assurer le bon fonctionnement du produit. Laissez le systme prt pour le vent saisonnier ou la neige en hiver mme dans d'autres rgions. Installez les conduits de prise et de dcharge d'air l'abri de la neige ou de la pluie si le produit est utilis dans une endroit o la temprature extrieure est infrieure 10C. Installez l'unit extrieure de manire la protger du contact direct avec la neige. Si la neige s'entasse et gle sur l'orifice de prise d'air, un dysfonctionnement du systme pourrait se produire. Si vous installez ce systme dans une rgion neigeuse, installez un couvercle de protection sur ce systme. Installez l'unit extrieure sur la console d'installation la plus haute pour une tombe de neige moyenne de 50 cm (tombe de neige moyenne annuelle) si vous l'installez dans une rgion trs neigeuse. Si plus de 10 cm de neige s'entassent sur la partie suprieure de l'unit extrieure, enlevez la neige avant de la mettre en marche.

1. L'hauteur du cadre H doit tre suprieure de 2 fois la neige tombe et sa largeur ne doit pas dpasser la largeur du produit. (Si la largeur du cadre dpasse celle du produit, la neige s'entassera l) 2. N'installez pas les orifices de prise et de dcharge d'air de l'unit extrieure faisant face au vent saisonnier.

18

Unit extrieurieur

Mthode de suspension

Mthode de suspension Lorsque vous voulez suspendre lunit, passer les cordes sous celle-ci et utiliser chacun des deux points de suspension lavant et larrire. Utilisez toujours ces quatre points afin que lunit ne subisse aucun choc. Attachez les cordes lunit formant un angle de 40 ou moins.

Sous ligne

FRANAIS

A 40 ou moins

ATTENTION

PRCAUTIONSoyez prudent durant le dplacement du produit. Ne laissez pas transporter lappareil par une seule personne sil pse plus de 20 kg(44 lbs). Des bandes PP sont utilises pour emballer certains produits. Ne les utilisez pas comme mode de transport car cela peut tre dangereux. Ne touchez pas les ailettes de lchangeur de chaleur mains nues. Vous risqueriez de vous couper. Dchirez les emballages en plastique et vous en dbarrasser pour que les enfants ne jouent pas avec. Le plastique peut touffer les enfants et provoquer leur mort. Lors du transport de lunit extrieure, assurez-vous de la soutenir par les quatre points. La soutenir par trois points seulement la rendrait instable et pourrait provoquer sa chute. Soyez prudent lors du transport des ARUN80LT2 et ARUNV00LT2. Ils peuvent se renverser sur la gauche.


Installation

InstallationEmplacement du boulon dancrage ( appliquer pour linstallation d1 ou de 2 units)I Installation individuelle10(3/8) 7002(27-9/161/16)

Unit: mm(inch)

UW1

UW1

9002 (35-7/161/16)

9002 383 (15-1/16) (35-7/161/16)

I Installation collective

7002 (27-9/161/16)

UW1

UW1150 (5-7/8) 9002 (35-7/161/16) 533 (20-15/16)

UW1

UW1

10(3/8) 383 9002 (35-7/161/16) (15-1/16)

10(3/8) 383 9002 9002 (35-7/161/16) (15-1/16) (35-7/161/16)

I Base dinstallation (emplacement du boulon dancrage)

(UW1)

(35 900 -7/ mm 16 inc h)

20

Unit extrieurieur

Installation

Fondations pour l'installation Fixez hermtiquement l'unit l'aide des boutons comme montr ci-dessous, de manire ce que l'unit ne tombe pas cause d'un tremblement de terre ou un coup de vent. Utilisez le support profil en H comme un support de base. Du bruit ou des vibrations peuvent se produire sur le sol ou les murs si la vibration est transfre par les pices d'installation en fonction de l'tat de l'installation. C'est pourquoi, il faut utiliser seulement des matriaux antivibrations (coussinets) (L'paisseur des coussinets doit tre suprieure 200 mm).

FRANAIS

A A Assurez-vous que le bec peut tre fermement fix. Autrement, le support pour

l'installation peut tre courb.B Procurez-vous et utilisez un boulon d'ancrage M10. C Le bec n'tait pas correctement mont. D Unit extrieure (Insrez le coussinet entre l'unit extrieure et le support de base pour

vous assurer que l'effet antivibrations est fourni pour une large zone).G

E Espace pour tuyauterie et cblage (en cas de tuyauterie et cble sur la surface du sol). F Support profil en H G Support de base en bton

AVERTISSEMENT Assurez-vous d'installer cette unit dans un emplacement suffisamment solide pour supporter son poids. Tout manque de solidit peut faire tomber l'unit et provoquer des blessures. Effectuez l'installation de manire protger le systme contre les vents forts et les tremblements de terre. Tout dfaut d'installation peut faire tomber l'unit et provoquer des blessures. Lors de l'installation du support de base, portez une attention particulire la solidit du support de la surface du sol, au processus de drainage (processus de l'eau qui coule de l'unit extrieure alors qu'elle est en marche) et la trajectoire des tuyaux et des cbles. N'utilisez aucun tube ou tuyau pour le drainage de l'eau dans le bac condensats et effectuez le processus de drainage d'eau l'aide du canal de drainage. Le drainage de l'eau pourrait tre empch si le tube ou le tuyau se congle. Vue arrire Vue latrale

Canal de drainage de l'eau


Installation de la tuyauterie de rfrigrant

Installation de la tuyauterie de rfrigrantLa mthode de connexion consiste dans des raccords vass aux units intrieures, des joints brides pour la tuyauterie de l'unit extrieure et des raccords vass pour la tuyauterie de liquide. Veuillez noter que les sections secondaires sont brases.

AVERTISSEMENTFaites toujours trs attention pour viter que des fuites du gaz rfrigrant (R410A) lors de l'utilisation de feu ou d'une flamme. Si le gaz rfrigrant entre en contact avec la flamme d'une source quelconque, telle qu'un four gaz, il se dcompose et produit du gaz toxique, ce qui peut provoquer un empoisonnement par gaz. N'effectuez jamais un brasage dans une salle non ventile. Faites toujours une vrification des fuites de gaz aprs avoir complt l'installation de la tuyauterie de rfrigration.

Prcautions concernant la connexion de la tuyauterie et le fonctionnement du robinetCoupez le tuyau et la vanne l'aide d'un couteau pour obtenir la longueur adquate. (La longueur ne doit pas tre infrieure a 70 mm)

tat d'ouverture lorsque la vanne et le robinet sont en ligne droite.FIN OUVERT

AVERTISSEMENTUne fois cette tche accomplie, serrez fermement les ports de service et les bouchons de manire viter toute fuite de gaz. Joint du tuyau (pices auxiliaires) : Effectuer un brassage en toute scurit l'aide d'un jet d'azote dans le port de la vanne de service (pression libre : 0,02 psi ou moins). Raccord conique : Desserrez ou serrez le raccord conique l'aide d'une cl deux extrmits. Revtez le raccord conique avec un peu d'huile pour compresseur. Bouchon : Enlevez les bouchons et faites marcher la vanne, etc. Aprs l'utilisation, remettez toujours les bouchons leur place (couple de serrage du bouchon de la vanne : 10 lbf.ft ou plus). Port de service : Effectuez le vidange de la tuyauterie de rfrigration et chargez-la en utilisant le port de service. Remettez toujours les bouchons leur place aprs avoir accompli cette tche (couple de serrage du bouchon de service: 14 Nm (140 kg-cm) ou plus). Tuyau de liquide Tuyau de gaz Joint coud (alimentation de la zone)Vanne bille (tuyau de gaz)

Vanne bille (tuyau de liquide) Coude

22

Unit extrieurieur


Raccordement de tuyaux communs haute/basse pression

Unit extrieure Esclave

Unit extrieure principal

FRANAIS

2 units extrieures1. Pour les tuyaux communs haute/basse pression, raccordez l'unit extrieure principale et les units extrieures secondaires au tuyau (alimentation de la zone) l'aide de coudes (alimentation de la zone). 2. Pour couper le tuyau, raccordez le tuyau commun haute/basse pression aprs avoir enlev les bavures, la poussire et tout matire trange dans le tuyau. Autrement, le produit pourrait ne pas marcher cause de la salet.

Lors du raccordement des tuyaux partir de la face avant de l'unit extrieure, enlevez les pices et . Si vous raccordez les tuyaux partir de la face latrale de l'unit extrieure, enlevez la pice (l'ensemble de l'jecteur).

(Avant)

AVERTISSEMENTAprs avoir install la tuyauterie, obstruez la prise pour insertion de tuyaux dans les panneaux avant et latral (autrement, les cbles pourraient tre endommags par des rats ou d'autres animaux pouvant y pntrer).



Raccordement des units extrieures2 units extrieuresModle Raccordement du tuyau de gazNe coupez pas le tuyau une longueur infrieure 70 mm(2-3/4inch) Soufflez de l'azote lors du brassag

Raccordement du tuyau de liquideTuyau de liquide\ de l'unit extrieure principale

Unit: mm(inch)

34.9(1-3/8)

Tuyau de liquide\ de l'unit 28.58(11/8) extrieure principale

9.52(3/8) 12.7(1/2) 19.05(3/4) 12.7(1/2)

12.7(1/2)

31.8(11/4) 19.05(3/4) 28.58(11/8) 22.2(7/8) 28.58(11/8)Tuyau principal

ARCNN20

15.88(5/8)Tuyau principal

15.88(5/8)

19.05(3/4) OD34.9(1-3/8) OD28.58(11/8) 22.2(7/8) 38.1(11/2)

OD12.7(1/2)

22.2(7/8)

OD19.05(3/4)

9.52(3/8)

OD19.05(3/4)

Ramification en YA BDans +/- 10

Faisant face vers le bas

Faisant face vers le haut

A Vers l'unit extrieure B Vers la tuyauteriesecondaire ou l'unit intrieure

Vue partir du point A dans la direction de la flche

Dans 3

Dans 3

24

Unit extrieurieur


Attention1. Utilisez les matriaux suivant pour la tuyauterie de rfrigration. Matriel : Tuyau en cuivre dsoxyd phosphoreux sans soudure. paisseur du mur : Conforme aux rglementations locales et nationales pertinentes pour une pression indique de 3,8 MPa. Nous recommandons le tableau suivant comme paisseur minimale pour le mur. Diamtre extrieur [mm(inch)] paisseur minimum [mm(inch)] 6.35 (1/4) 0.8 (0.03) 9.52 (3/8) 0.8 (0.03) 12.7 (1/2) 0.8 (0.03) 15.88 (5/8) 0.99 (3.25) 19.05 (3/4) 0.99 (0.04) 22.2 (7/8) 0.99 (0.04) 25.4 (1) 0.99 (0.04) 28.58 (1-1/8) 0.99 (0.04) 31.8 (1-1/4) 1.1 (0.04) 34.9 (1-3/8) 1.21 (0.05) 38.1 41.3 (1-1/2) (1-15/16) 1.35 (0.05) 1.43 (0.06)

2. Les tuyaux sur le march contiennent souvent de la poussire et d'autres matires. Nettoyez-les toujours en soufflant du gaz inerte sec. 3. Veillez viter que la poussire, l'eau ou d'autres contaminants pntrent dans les tuyaux lors de l'installation. 4. Rduisez le nombre de sections plies au minimum, et faites le rayon de pliage aussi grand que possible. 5. Utilisez toujours le jeu pour branchement montr ci-dessous, qui est vendu sparment. Collecteur 4 ramifications 7 ramifications 10 ramifications ARBLN01620 ARBLN07120 ARBLN03320 ARBLN14520 ARBL054 ARBL104 ARBL057 ARBL107 ARBL1010 ARBL2010

FRANAIS

Ramification en Y

6. Si le diamtre des tuyaux secondaires diffre de celui indiqu pour la tuyauterie de rfrigration, utilisez un coupe-tube pour couper la section de raccordement et utilisez ensuite un adaptateur pour raccorder les tuyaux diamtres diffrents. 7. Respectez toujours les limitations concernant la tuyauterie de rfrigration (telles que la longueur nominale, la diffrence de hauteur et le diamtre des tuyaux). Autrement, vous risquez de provoquer une dfaillance de l'quipement ou une rduction de la performance de chauffage/refroidissement. 8. Il est impossible d'effectuer une autre ramification aprs un collecteur. (Ceci est indiqu par ( ) .)

A

A B

A Vers l'unit extrieure B Tuyauterie scelle

9. Le systme s'arrtera s'il y a une situation anormale telle qu'un volume de rfrigrant excessif ou insuffisant. Dans ce cas, rectifiez toujours la charge de l'unit. Lors du service technique, vrifiez toujours les remarques concernant la longueur des tuyaux et le volume de rfrigrant supplmentaire. 10. N'effectuez jamais une vacuation. Ceci risque non seulement d'endommager le compresseur mais aussi de rduire la performance de l'unit. 11. N'utilisez jamais de rfrigrant pour effectuer une purge d'air. Faites le vide toujours l'aide d'une pompe vide.


Installation de la tuyauterie de rfrigrant12. Isolez toujours correctement la tuyauterie. Une isolation insuffisant peut rsulter dans une rduction de la performance de chauffage/refroidissement, dans un coulement des condensats et dans d'autres problmes 13. Lors du raccordement de la tuyauterie de rfrigration, assurez-vous que les vannes de services de l'unit extrieure sont compltement fermes (rglage usine) et ne faites pas marcher l'unit jusqu' avoir connect la tuyauterie de rfrigration pour l'unit extrieure et les units intrieures, avoir fait un test pour fuites de rfrigrant et avoir complt un processus d'vacuation. 14. Utilisez toujours du matriel de brassage non oxydant pour le brassage des pices et n'utilisez pas de flux. Autrement, la couche oxyde peut provoquer une obstruction ou endommager les compresseurs et le flux peut endommager les tuyaux en cuivre ou l'huile frigorigne.

AVERTISSEMENTLors de l'installation et le dplacement du climatiseur vers un autre emplacement, assurez-vous de faire une recharge de rfrigrant aprs avoir effectu une vacuation. - Si un rfrigrant diffrent ou de l'air est mlang au rfrigrant d'origine, le cycle de rfrigration peut avoir des dysfonctionnements et l'unit pourrait en rsulter endommage. - Aprs avoir slectionn le diamtre du tuyau de rfrigration pour le faire concider avec la capacit totale de l'unit intrieure raccorde aprs une ramification, utilisez un jeu de tuyaux pour ramification appropri en fonction du diamtre du tuyau de l'unit intrieure et des plans d'installation de la tuyauterie.

Longueur des tuyaux reliant les units extrieures (tuyauterie de gaz, tuyauterie de liquide, tuyaux communs haute/basse pression)= Longueur du produit + (distance entre les units extrieures)

Product length

Distance entre les units extrieures

26

Unit extrieurieur


Systme de la tuyauterie du rfrigration N Mthode de raccordement en Y1 Unit extrieurieurExemple : 5 units intrieures connectes: Unit extrieure : 1er raccordement (raccordement Y) : Units intrieures

100m(328ft)

L150m(492ft) (200m(656ft) : application conditionnelle)

FRANAIS

l 40m(131ft) (90m(295ft) : application conditionnelle)

15m(49ft)

2 Units extrieuresExemple : 5 units intrieures connectes: Unit extrieure : 1er raccordement (raccordement Y) : Units intrieures : Unit intrieure vers le bas : Tuyau de connexion entre les units extrieures : ARCNN20.10m (32.8ft) ou moins

Auxiliaire Principal

100m(328ft)

L150m(492ft) (200m(656ft) : application conditionnelle) l 40m(131ft) (90m(295ft) : application conditionnelle)

15m(49ft)

La longueur du tuyau du raccordement extrieur lunit extrieure est gale ou suprieure 10m, longueur quivalente : maximum 13m (pour 18HP ou plus). Application supplmentaire Pour satisfaire la condition ci-dessous pour avoir une longueur de tuyau de 40 90m aprs le premier rameau. 1) Le diamtre des tuyaux entre le premier et le dernier rameau doit tre augment dun cran, sauf le diamtres des tuyaux B,C, D qui est le mme que celui du tuyau A 6.35(1/4 inch) 9.52(3/8 inch) 12.7(1/2 inch) 15.88(5/8 inch) 19.05(3/4 inch) 22.2(7/8 inch) 25.4*(1* inch), 28.58(1-1/8 inch) 31.8*(1-1/4* inch), 34.9(1-3/8 inch) 38.1*(1-1/2* inch) * : Il nest pas ncessaire daugmenter. 2) Tandis que vous calculez la longueur totale du tuyau du rfrigrant, la longueur du tuyau B, C, D doit tre calcule deux fois. A+Bx2+Cx2+Dx2+a+b+c+d+e 1,000 m(3,281 ft) 3) La longueur de tuyau de chaque unit intrieure au rameau le plus proche (a,b,c,d,e) est gale ou suprieur 40m(131ft). 4) [La longueur du tuyau de lunit extrieure lunit intrieure 5 la plus loigne (A+B+C+D+e)]. [Longueur du tuyau de lunit extrieure lunit intrieure 1 la plus proche (A+a)] gale o suprieure 40m(131ft).



Diamtre du tuyau du rfrigrant dun raccordement lautre (B,C,D)Capacit totale de lunit intrieure vers le bas [kW(Btu/h)]

2008-11-14 installation manual_multi v plus ii outdoor unit_mfl46912303

Documents

partir du

top view gt

en haut gt

provoquer

une obstruction

side view

vue latrale

front view