LG ARUV040GSR0 INSTALLATION MANUAL

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INSTALLATION MANUAL

AIR

CONDITIONER

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.

www.lg.com

MFL67798026

Rev.00_061418

Copyright © 2015 - 2018 LG Electronics Inc. All Rights Reserved.

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2 TIPS FOR SAVING ENERGY

TIPS FOR SAVING ENERGY

Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below:

•Do not cool excessively indoors. This may be harmful for your health and may consume more electricity.

•Block sunlight with blinds or curtains while you are operating the air conditioner.

•Keep doors or windows closed tightly while you are operating the air conditioner.

•Adjust the direction of the air flow vertically or horizontally to circulate indoor air.

•Speed up the fan to cool or warm indoor air quickly, in a short period of time.

•Open windows regularly for ventilation as the indoor air quality may deteriorate if the air conditioner is used for many hours.

•Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the air flow or weaken the cooling / dehumidifying functions.

For your records

Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes. Write the model number and the serial number here:

Model number :

Serial number :

You can find them on a label on the side of each unit.

Dealer’s name :

Date of purchase :

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IMPORTANT SAFETY INSTRUCTIONS 3

IMPORTANT SAFETY INSTRUCTIONS

READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.

Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product

! WARNING

It can result in serious injury or death when the directions are ignored

! CAUTION

It can result in minor injury or product damage when the directions are ignored

! WARNING

•Installation or repairs made by unqualified persons can result in hazards to you and others.

•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.

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.

•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.

•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.

•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.

-While installing the product on the rooftop, maintain sufficient distance from the edge to prevent falling down from the building.

•Do not install the product on a defective installation stand.

-It may cause injury, accident, or damage to the product.

•Use a vacuum pump or Inert(nitrogen) gas when doing leakage test or air purge. Do not compress air or Oxygen and do not use Flammable gases. Otherwise, it may cause fire or explosion.

-There is the risk of death, injury, fire or explosion.

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		4	IMPORTANT SAFETY INSTRUCTIONS
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		• 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 mal-
			function 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.
		• 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 ex-
			ceeded. Should the refrigerant leak and cause the safety limit to be exceeded, harzards due to lack
			of oxygen in the room could result.

Operation

•Do not damage or use an unspecified power cable.

-There is risk of fire, electric shock, explosion, or injury.

•Use a dedicated power cable 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.

•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.

•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.

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IMPORTANT SAFETY INSTRUCTIONS 5

! CAUTION

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.

•Use power cables of sufficient current carrying capacity and rating.

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

•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.

•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.

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.

•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.

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		6	IMPORTANT SAFETY INSTRUCTIONS
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		• Safely dispose of the packing materials.
		- 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.
		• 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.
		• 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 powered on.
		- There are sharp and moving parts that could cause personal injury.

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TABLE OF CONTENTS	7

TABLE OF CONTENTS

2TIPS FOR SAVING EN- 27 PIPE CONNECTIONS BE-

		ERGY			TWEEN INDOOR AND
	3	IMPORTANT SAFETY IN-			OUTDOOR UNIT
			27		Preparation Work
		STRUCTIONS
			29		Pipe Drawing Out
	8	INSTALLATION
			30		Selection of Refrigerant Piping
		PROCESS	31		Refrigerant piping system
			38		Refrigerant charging
	9	OUTDOOR UNITS IN-
			39		Distribution Method
		FORMATION	40		Branch pipe Fitting
			44		Leak Test and Vacuum drying
	10	ENVIRONMENT-
			46		Heat insulation of refrigerant piping
		FRIENDLY ALTERNATIVE	47		ELECTRICAL WIRING
		REFRIGERANT R410A
			47		Caution
	11	SELECT THE BEST LO-	49		Control box and connecting position of
					wiring
		CATION	50		Communication and Power Cables
	12	INSTALLATION SPACE	51		Wiring of main power supply and
					equipment capacity
	16	Collective / Continuous Installation for	52		Field Wiring
		roof top use	55		Checking the setting of outdoor units
	17	Air guide work	56		Automatic Addressing
	18	LIFTING METHOD	59		Saving power consumption
			59		Night Low Noise Function
	19	INSTALLATION
			60		Forced Cooling Operation
			61		Vaccum mode
	19	The location of the Anchor bolts
			62		Target pressure adjusting
	20	Foundation for Installation
			63		Self-Diagnosis Function
	21	Preparation of Piping

24Plumbing materials and storage methods

26 REFRIGERANT PIPING

INSTALLATION

26 Precautions on Pipe connection / Valve

66 CAUTION FOR REFRIG-

ERANT LEAK

66 Introduction

66Checking procedure of limiting concentration

operation	68 INSTALLATION GUIDE
	AT THE SEASIDE

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8 INSTALLATION PROCESS

INSTALLATION PROCESS

Determination of division work		Indicate clearly who will be responsible for switch setting.
Preparation of contract drawings		Make connection clearly between outdoor, indoor, remote controller and option.

Sleeve and insert work

Installation of indoor unit

Refrigerant piping work

Drain pipe work

Duct work

Heat insulation work

Electrical work

(connection circuits and drive circuits)

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

Installation of outdoor unit

Avoid short circuits and ensure sufficient space is allowed for service

Leak test

Vacuum drying

Additional charge of refrigerant

Fit facing panels

Automatic addressing of indoor unit

Test run adjustment

Transfer to customer with explanation

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

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

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

!CAUTION

•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 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.)

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OUTDOOR UNITS INFORMATION 9

OUTDOOR UNITS INFORMATION

!CAUTION

•Ratio of the connectable Indoor Units to the Outdoor: Within 50 ~ 160%

•Ratio of running Indoor Units to the Outdoor: Within 10 ~ 100%

•A combination operation over 100% cause to reduce each indoor unit capacity.

Power Supply : 1Ø, 220-240 V~, 50 Hz / 1Ø, 220 V~, 60 Hz

System(HP)			2.5		3			4
Model			ARUV025GSR0		ARUV030GSR0			ARUV040GSR0
Refrigerant Precharged		kg	1		1.4			1.4
Amount		lbs	2.2		3.1			3.1
Net weight		kg	45		59			59
		lbs	99		130			130
Dimensions (WxHxD)		mm	870x655x320		950x834x330			950x834x330
		inch	34.3×25.8×12.6		37.4×32.8×13.0			37.4×32.8×13.0
Piping	Liquid Pipes	mm(inch)	9.52(3/8)		9.52(3/8)			9.52(3/8)
Connections	Gas Pipes	mm(inch)	15.88(5/8)		15.88(5/8)			15.88(5/8)
System(HP)			5				6
Model			ARUV050GSR0				ARUV060GSR0
Refrigerant Precharged		kg	1.4				1.9
Amount		lbs	3.1				5.1
Net weight		kg	66				79
		lbs	146				174
Dimensions (WxHxD)		mm	950x834x330				950x1170x330
		inch	37.4×32.8×13.0				37.4×46.1×13.0
Piping	Liquid Pipes	mm(inch)	9.52(3/8)				9.52(3/8)
Connections	Gas Pipes	mm(inch)	15.88(5/8)				19.05(3/4)

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10 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.

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SELECT THE BEST LOCATION 11

SELECT THE BEST LOCATION

1Select 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.

2Select installation location considering following conditions to avoid bad condition when additionally performing defrost operation.

•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 (near beach, coast, lake, etc). (Ex) Rooftop where sunshine always shines.

•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:

-Shade position with a narrow space

-Location with much moisture in neighboring floor.

-Location with much humidity around.

-Location where ventilation is good. It is recommended to install the outdoor unit at a place with a lot of sunshine as possible as.

-Location where water gathers since the floor is not even.

3When installing the outdoor unit in a place that is constantly exposed to a strong wind like a coast or on a high story of a building, secure a normal fan operation by using a duct or a wind shield.

•Install the unit so that its discharge port faces to the wall of the building. Keep a distance 500mm or more between the unit and the wall surface.

•Supposing the wind direction during the operation season of the air conditioner, install the unit so that the discharge port is set at right angle to the wind direction.

[Unit : mm]

	700	! WARNING
	Air inlet grille	Fix the outdoor unit firmly with anchor bolt
	Turn the air outlet side toward the	or it may fall and hurt people. (refer to
		‘Foundation for installation’)
	building's wall, fence or windbreak screen.

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12 INSTALLATION SPACE

INSTALLATION SPACE

•The following values are the least space for installation. If any service area is needed for service according to field circumstance, obtain enough service space.

•The unit of values is mm.

In case of obstacles on the suction side

1. Stand alone installation					[Unit:mm]

100	or
more

100 or more

	100		or
	more

100	or
more

less
or
500	<![if ! IE]> <![endif]>1,000 or more
100	or
more

2. Collective installation

			less
			or	<![if ! IE]> <![endif]>1,000 or more
			500
150 or
more	150		150	or
		or	more
	more

less

or

<![if ! IE]> <![endif]>1,000 or more

500

1,000

or

more

100

1,000

or

more

or

or

200

or

300

more

100

more

more

more

or

or

200

300

or

more

more

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In case of obstacles on the discharge side

1. Stand alone installation

more or 500

2. Collective installation

	100	or
	more
		more
		or
		1,000

INSTALLATION SPACE 13

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[Unit:mm]

orless 500

<![if ! IE]>

<![endif]>or1,000more

more or 500

orless 500 moreor

<![if ! IE]>

<![endif]>1,000

	100	or
	more

ormore 1,000

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14 INSTALLATION SPACE

In case of obstacles on the suction and the discharge side

Obstacle height of discharge side is higher than the unit 1. Stand alone installation

[Unit:mm]

L > H L > H

<![if ! IE]>

<![endif]>LH

orless 500

<![if ! IE]>

<![endif]>1,000 or more

more or 500

100	or
more

<![if ! IE]>

<![endif]>L

<![if ! IE]>

<![endif]>H

			or
	1,000
		more

250	or
more

2. Collective installation
L > H			L > H	less
		<![if ! IE]> <![endif]>H		<![if ! IE]> <![endif]>1,000 or more
<![if ! IE]> <![endif]>L

100	or
	more
	or
	1,000
	more

<![if ! IE]>

<![endif]>L

300	or
more

100	or	more

ormore 1,250

300	or
more

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INSTALLATION SPACE 15

Obstacle height of discharge side is lower than the unit 1. Stand alone installation

L ≤ H

			<![if ! IE]> <![endif]>H
<![if ! IE]> <![endif]>L
			or
			100
		or	more
500
		more

[Unit:mm]

L ≤ H

								less
500								or
											<![if ! IE]> <![endif]>1,000 or more
											<![if ! IE]> <![endif]>H
<![if ! IE]> <![endif]>L											or
										300
								or			more
1,000
								more

2. Collective installation L ≤ H

											<![if ! IE]> <![endif]>H
<![if ! IE]> <![endif]>L
		100			or	more					or
										300
								or		more
							1,500
								more

L ≤ H

orless 500

<![if ! IE]> <![endif]>L
		100		or	more
								or
					1,500
								more

		<![if ! IE]> <![endif]>1,000 or more
		<![if ! IE]> <![endif]>H
			or
	300
		more

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16 INSTALLATION SPACE

Collective / Continuous Installation for roof top use

Space 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.

1. One row of stand alone installation

[Unit:mm]

100	or
more

or 2,000 more

	or
	200
or	more
1,000
more

2.Rows of collective installation (2 or more)

•L should be smaller than H

L ≤ H

		100	or
		more
			or
			3,000
	<![if ! IE]> <![endif]>H		more
		or
		600
	or	more
	1,500
	more

	<![if ! IE]> <![endif]>L
300	or
more

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INSTALLATION SPACE 17

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.

-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)

-Don't install the suction hole and discharge hole of the Outdoor Unit facing the seasonal wind.

Air guide work

In case of out door unit is located outdoor cabin of apartment or flats, then the efficiency can drop and system pressure increases thus finally damaging the compressor or other components in the system by heat short circuit.

•Do not use bended louver. It disturbs the air circulation.

•The opening ratio is at least 80%

•Louver angle is 0-20 degree

•Louver pitch will be as more than 100mm

•If you have a insect control net, consider the shielded area and static pressure loss

•Check the static pressure range of outdoor unit fan. Then, install air guide in the range of static pressure.

				Less than
		300mm or more	Intake	20 degrees
	150mm or
			area	Louver pitch
	more	350mm
		or more		100 mm or more
			Air guide duct
			Air guide
				Wind speed : Vs ≤ 1.5 m/s

Secure minimum intake area

When the intake area is not secured can efficiency drop and products may not be operating

• Minimum intake area (For reference)

		ARUV025GSR0
	Model	ARUV030GSR0	ARUV060GSR0
		ARUV040GSR0
		ARUV050GSR0
	Minimum	0.7	1.2
	intake area (m2)

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18 LIFTING METHOD

LIFTING METHOD

•When carrying the suspended, unit pass the ropes between legs of base panel under the unit.

•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.

•Use only accessories and parts which are of the designated specification when installing.

Air outlet grille	Corner	Intake hole

Sub line

Handle

	Always hold the unit by the corners, as holding	A 40° or less
	it by the side intake holes on the casing may	WARNING
	cause them to deform.

! CAUTION

Be very careful while carrying the product.

•Do not have only one person carry product if it is more than 20 kg.

•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.

•Use 2 belts of at least 8 m long.

•Place extra cloth or boards in the locations where the casing comes in contact with the sling to prevent damage.

•Hoist the unit making sure it is being lifted at its center of gravity.

1,MFL67798026, 19. 3. 14. 4:48 Page 19

INSTALLATION 19

INSTALLATION

•Install at places where it can endure the weight and vibration/noise of the outdoor unit.

•The outdoor unit supports at the bottom shall have width of at least 100mm under the Unit’s legs before being fixed.

•The outdoor unit supports should have minimum height of 200mm.

•Anchor bolts must be inserted at least 75mm.

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For outdoor units should not be supported only by the corner supports.

		100mm
		least
		At
100mm		Center of the Unit
Atleast	100mm
	least
At

	100mmm
least		m
		100
At		st
	lea
At

m 100m Atleast

Center of the Unit

The location of the Anchor bolts

	a					[Unit : mm]
e	b	e
						ARUV030GSR0
					ARUV025GSR0	ARUV040GSR0
						ARUV050GSR0
						ARUV060GSR0
		c	d	a	920	1,090
				b	618	700
				c	330	380
				d	360	401
				e	151	195

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20 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).

At least 200mm

			Unit : mm
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The corner part must be fixed firmly. Otherwise, the support for the installation may be bent.

Get and use M10 Anchor bolt.

Put Cushion Pad between the outdoor unit and ground support for the vibration protection in wide area.

Space for pipes and wiring (Pipes and wirings for bottom side)

H-beam support

Concrete support

!WARNING

•Install where it can sufficiently support the weight of the outdoor unit.

If the support strength is not enough, the outdoor unit may drop and hurt people.

•Install where the outdoor unit may not fall in strong wind or earthquake.

If there is a fault in the supporting conditions, the outdoor unit may fall and hurt people.

•Please take extra cautions on the supporting strength of the ground, water outlet treatment(treatment of the water flowing out of the outdoor unit in operation), and the passages of the pipe and wiring, when making the ground support.

•Do not use tube or pipe for water outlet in the Base pan. Use drainage instead for water outlet. The tube or pipe may freeze and the water may not be drained.

!CAUTION

•Be sure to remove the Pallet(Wood Support) of the bottom side of the outdoor unit Base Pan before fix- ing the bolt. It may cause the unstable state of the outdoor settlement, and may cause freezing of the heat exchanger resulting in abnormal operations.

•Be sure to remove the Pallet(Wood Support) of the bottom side of the outdoor unit before welding.

Not removing Pallet(Wood Support) causes hazard	Pallet(Wood Support)
of fire during welding.	- Remove before Installation

1,MFL67798026, 19. 3. 14. 4:48 Page 21

INSTALLATION 21

Preparation of Piping

Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the following procedure.

Cut the pipes and the cable

-Use the accessory piping kit or the pipes purchased locally.

-Measure the distance between the indoor and the outdoor unit.

-Cut the pipes a little longer than measured distance.

-Cut the cable 1.5m longer than the pipe length.

Burrs removal

-Completely remove all burrs from the cut cross section of pipe/tube.

-Put the end of the copper tube/pipe to downward direction as you remove burrs in order to avoid to let burrs drop in the tubing.

Copper		Slanted Uneven Rough
tube	90°

Pipe

Reamer

Point down

Flaring work

-Carry out flaring work using flaring tool as shown below.

Indoor unit		Pipe		" A "
[kW(Btu/h]	Gas		Liquid	Gas	Liquid
<5.6(19,100)	1/2"		1/4"	0.5~0.8	0~0.5
<16.0(54,600)	5/8"		3/8"	0.8~1.0	0.5~0.8
<22.4(76,400)	3/4"		3/8"	1.0~1.3	0.5~0.8

Firmly hold copper tube in a bar(or die) as indicated dimension in the table above.

Check

-Compare the flared work with figure below.

-If flare is noted to be defective, cut off the flared section and do flaring work again.

	Handle
Bar	Bar
"A"	Yoke
	Cone

Copper pipe

Clamp handle

Red arrow mark

Smooth all round

Inside is shining without scratches.

= Improper flaring =

Inclined Surface Cracked Uneven

damaged thickness

Even length all round

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22 INSTALLATION

Flare shape and flare nut tightening torque

Precautions when connecting pipes

-See the following table for flare part machining dimensions.

-When connecting the flare nuts, apply refrigerant oil to the inside and outside of the flares and turn them three or four times at first. (Use ester oil or ether oil.)

-See the following table for tightening torque.(Applying too much torque may cause the flares to crack.)

-After all the piping has been connected, use nitrogen to perform a gas leak check.

pipe size	tightening torque(N·m)	A(mm)	flare shape
Ø9.52	38±4	12.8-13.2	90° ±2
				4
			A	5°	±2
Ø12.7	55±6	16.2-16.6
				R=0.4~0.8
Ø15.88	75±7	19.3-19.7

!CAUTION

•Always use a charge hose for service port connection.

• After tightening the cap, check that no refrigerant leaks are present.
• When loosening a flare nut, always use two wrenches in	Union
combination, When connecting the piping, always use a spanner and
torque wrench in combination to tighten the flare nut.

• When connecting a flare nut, coat the flare(inner and outer faces) with oil for R410A(PVE) and hand tighten the nut 3 to 4 turns as the initial tightening.

Opening shutoff valve

1 Remove the cap and turn the valve counter clockwise with the hexagon wrench.

2Turn it until the shaft stops.

Do not apply excessive force to the shutoff valve. Doing so may break the valve body, as the valve is not a backseat type. Always use the special tool.

3 Make sure to tighten the cap securely.