LG Multi V PRHR083A Manuel utilisateur

MFL32987321

Rev.00_052418

INSTALLATION MANUAL

AIR

CONDITIONER

http://www.lghvac.com

www.lg.com

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.

PRHR083A/PRHR063A/PRHR043A/PRHR033A/PRHR023A (Heat Recovery Unit)

Original instruction

ENGLISH FRANÇAIS ESPAÑOL

1,MFL32987321,영영 2018. 5. 24. 영영 2:16 Page 1

• Do not cool excessively indoors. This 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.

• 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 :

Here are some tips that will help you minimize power consumption when you use the air

conditioner. You can use your air conditioner more efficiently by referring to the instructions

below:

TIPS FOR SAVING ENERGY

ENGLISH

TIPS FOR SAVING ENERGY

1,MFL32987321,영영 2018. 5. 16. 영영 5:46 Page 2

IMPORTANT SAFETY INSTRUCTIONS 3

ENGLISH

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 contractor 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.

WARNING

• 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 contractor to install the HR

unit.

- Improper installation by the user may result in water

leakage, electric shock, or fire.

1,MFL32987321,영영 2018. 5. 16. 영영 5:46 Page 3

4IMPORTANT SAFETY INSTRUCTIONS

ENGLISH

• Always ground the product.

- There is risk of fire or electric shock.

• 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.

• 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.

- All work should be performed by a qualified, licensed

contractor.

• Do not store or use flammable gas or combustibles near the

HR Unit.

- There is risk of fire or failure of product.

• Use a properly rated breaker or fuse.

- There is risk of fire or electric shock.

• Do not damage or use an unspecified power cord.

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

• Do not touch the power switch with wet hands.

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

• 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 HR unit and fire or electric shock may

result.

• Be cautious when unpacking and installing the product.

- Sharp edges could cause injury. Be especially careful of the

case edges.

• Safely dispose of the packing materials.

- Packing materials, such as nails and other metal or wooden

parts, may cause puncture wounds or other injuries.

- Tear apart and throw away plastic packaging bags so that

children may not play with them and risk suffocation and

death.

1,MFL32987321,영영 2018. 5. 16. 영영 5:46 Page 4

IMPORTANT SAFETY INSTRUCTIONS

ENGLISH

CAUTION

• Avoid a place where rain may enter since the HR unit is for

indoor installations only.

- There is risk of property damage, failure of product, or

electric shock.

• Do not install a HR unit in a space where persons exists such

as living room, office or meeting room with not only low but

also open ceiling.

• Always check for gas (refrigerant) leakage after installation or

repair of product.

- Low refrigerant levels may cause failure of product.

• Keep level even when installing the product.

- To avoid vibration or water leakage.

• This appliance is not intended for use by persons (including

children) with reduced physical, sensory or mental capabilities

or lack of experience and knowledge, unless they have been

given supervision or instruction concerning use of the

appliance by a person responsible for their safety.

- Children should be supervised to ensure that they do not

play with the appliance.

1,MFL32987321,영영 2018. 5. 16. 영영 5:46 Page 5

TABLE OF CONTENTS

ENGLISH

2TIPS FOR SAVING ENERGY

3IMPORTANT SAFETY INSTRUCTIONS

7FEATURES

9INSTALLATION PART

10 INSTALLATION

10 Selection of the best location

10 Dimensional drawings

13 HR Unit Installation

16 Insulation

17 Wiring Connection

18 HR Unit PCB

19 Setting the HR Unit switches

26 COIL EXCHANGING METHOD

27 JOINT METHOD OF HR UNIT

TABLE OF CONTENTS

1,MFL32987321,영영 2018. 5. 16. 영영 5:46 Page 6

FEATURES 7

ENGLISH

FEATURES

Control Box

Connection Pipe

(to outdoor unit)

Connection Pipe

(to outdoor unit)

Connection Pipe

(to indoor unit)

Model PRHR023A PRHR033A PRHR043A

Max. Connectable No. of Indoor Units 16 24 32

Max. Connectable No. of Indoor Units of a branch 8 8 8

Power Input Cooling [W] 39.8

Heating [W] 37.2

Net. Weight kg

14.9 16.7 18.2

lbs

32.8 36.8 40.1

Shipping

Weight

20.7 22.5 24.0

lbs

45.6 49.6 52.9

Dimensions

(WxHxD)

mm 786 X 218 X 657

Inch 30.9 X 8.6 X 25.9

Casing Galvanized steel plate

Connecting

Pipes

Indoor side

Liquid Pipe

[mm/inch] Ø9.52[3/8] – Ø6.35[1/4]

Gas Pipe

[mm/inch] Ø15.88[5/8] – Ø12.7[1/2]

Outdoor side

Liquid

[mm/inch] Ø9.52[3/8] Ø12.7[1/2] Ø15.88[5/8]

Low Pressure

[mm/inch] Ø22.2[7/8] Ø28.58[1-1/8] Ø28.58[1-1/8]

High Pressure

[mm/inch] Ø19.05[3/4] Ø22.2[7/8] Ø22.2[7/8]

Sound Absorbing Insulation Material Polyethylene Foam

Current Minimum circuit Amps(MCA) 0.17

Maximum fuse Amps(MFA) 15

Power Supply 1Ø, 208/230 V, 60 Hz

1,MFL32987321,영영 2018. 5. 16. 영영 5:46 Page 7

8FEATURES

ENGLISH

Control Box

Connection Pipe

(to outdoor unit)

Connection Pipe

(to outdoor unit)

Connection Pipe

(to indoor unit)

Model

Max. Connectable No. of Indoor Units

Max. Connectable No. of Indoor Units of a branch

Power Input Cooling [W]

Heating [W]

Net. Weight kg

lbs

Shipping

Weight

lbs

Dimensions

(WxHxD)

Inch

Casing

Connecting

Pipes

Indoor

side

Liquid Pipe [mm/inch]

Gas Pipe [mm/inch]

Outdoor

side

Liquid [mm/inch]

Low Pressure [mm/inch]

High Pressure [mm/inch]

Sound Absorbing Insulation Material

Current Minimum circuit Amps(MCA)

Maximum fuse Amps(MFA)

Power Supply

PRHR063A PRHR083A

48 64

75.9

72.1

27.2 30.7

60.0 67.7

33.8 37.3

74.5 82.2

1 113 X 218 X 657

43.8 X 8.6 X 25.9

Galvanized steel plate

Ø9.52[3/8] – Ø6.35[1/4]

Ø15.88[5/8] – Ø12.7[1/2]

Ø15.88[5/8]

Ø28.58[1-1/8]

Ø22.2[7/8]

Polyethylene Foam

0.27

1Ø, 208/230 V, 60 Hz

1,MFL32987321,영영 2018. 5. 16. 영영 5:46 Page 8

INSTALLATION PART

ENGLISH

INSTALLATION PART

- Installation Manual

- Hanging bolts (4 x M10 or M8), Nut(8 x M10 or M8), Flat washers(8 x M10)

- Reducers

Models High pressure

Gas pipe

Low pressure

Liquid pipe

HR unit

reducer

PRHR023A OD22.2(7/8) Ø19.05(3/4) Ø15.88(5/8)

Ø6.35(1/4)OD9.52(3/8)

OD19.05(3/4) Ø15.88(5/8)

OD12.7(1/2) Ø9.52(3/8)

Ø12.7(1/2)

OD22.2(7/8) Ø19.05(3/4) Ø15.88(5/8)

OD15.88(5/8) Ø12.7(1/2)

OD12.7(1/2) Ø9.52(3/8)

PRHR033A

PRHR043A

PRHR063A

PRHR083A

OD19.05(3/4) Ø15.88(5/8)

OD28.58(1-1/8) Ø22.2(7/8) Ø19.05(3/4)

OD15.88(5/8) Ø12.7(1/2) Ø9.52(3/8)

OD15.88(5/8) Ø12.7(1/2)

[Unit : mm(inch)]

1,MFL32987321,영영 2018. 5. 16. 영영 5:46 Page 9

10 INSTALLATION

ENGLISH

INSTALLATION

Selection of the best location

Select installation location of the HR unit suitable for following conditions

- Avoid a place where rain may enter since the HR unit is for indoor.

- Sufficient service space must be available to service in place.

- Refrigerant pipe must not exceed limited length.

- Avoid a place subject to a strong radiation heat from other heat source.

- Avoid a place where oil spattering, vapor spray or high frequency electric noise is expected.

- Install the unit in a place which it is not affected by operation noise. (Installation within a space

such as meeting room etc. may cause disturbance.)

- Place where refrigerant piping, drain piping and electrical wiring works are easy.

Dimensional drawings

300(11-13/16)

300(11-13/16) more

300(11-13/16)

254(10)

(Servicing space) (Servicing space)

500(19-11/16)

311(12-1/4)

6(1/4) more (Serviceing space)

126(4-31/32)

147(5-23/32)

19(3/4) 55(2-5/32)

389(15-5/16)

(3-5/8)

176(6-15/16)

Inspection door

(servicing space)

500(19-11/16)

254(10)

150(5-29/32) 486(19-1/8) 150(5-29/32)

165(6-1/2)

218(8-19/32)

[Unit : mm(inch)]

PRHR023A/PRHR033A/PRHR043A

1,MFL32987321,영영 2018. 5. 16. 영영 5:46 Page 10

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