LG Multi V PRHR023, Multi V PRHR083, Multi V PRHR043, Multi V PRHR033, Multi V PRHR063 Installation Manual

INSTALLATION MANUAL

AIR
CONDITIONER

www.lg.com

MFL32987320

Rev.01_011719

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.

[

Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared Service Center B.V.

Krijgsman 1, 1186 DM Amstelveen, The Netherlands

[

Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu, Changwon-si,

Gyeongsangnam-do, KOREA

PRHR083/PRHR063/PRHR043/PRHR033/PRHR023 (Heat Recovery Unit)
Original instruction

Copyright © 2017 - 2019 LG Electronics Inc. All Rights Reserved.

РУССКИЙ ЯЗЫК

ENGLISH

УКРАÏНСЬКА

ITALIANO ESPAÑOL

ҚАЗАҚ ТІЛІ

БЕЛАРУСКАЯ МОВА

FRANÇAIS DEUTSCH

O‘ZBEK TILI

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

TIPS FOR SAVING ENERGY

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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 :

IMPORTANT SAFETY INSTRUCTIONS

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.

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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 technician to install the HR
unit.

- Improper installation by the user may result in water

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IMPORTANT SAFETY INSTRUCTIONS

leakage, electric shock, or fire.

• 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.

• Do not store or use flammable gas or combustibles near the
HR Unit.

- There is risk of fire or failure of product.

• Use the correctly 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 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.

IMPORTANT SAFETY INSTRUCTIONS

CAUTION

!

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

- 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.

• Means for disconnection must be incorporated in the fixed
wiring in accordance with the wiring rules.

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TABLE OF CONTENTS

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TABLE OF CONTENTS

2 TIPS FOR SAVING ENERGY

3 IMPORTANT SAFETY INSTRUCTIONS

7 FEATURES

9 INSTALLATION 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 Setup the switch of HR Unit

26 COIL EXCHANGING METHOD

27 JOINT METHOD OF HR UNIT

FEATURES

Control Box

Connection Pipe
(to outdoor unit)

Connection Pipe
(to outdoor unit)

Connection Pipe
(to indoor unit)

FEATURES

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Model

Max. Connectable No. of Indoor Units

Max. Connectable No. of Indoor Units of a branch

Nominal Input

Net. Weight

Dimensions
(WxHxD)

Casing

Connecting
Pipes

Sound Absorbing Insulation Material

Current

Power Supply

Cooling [W]

Heating [W]

kg

lbs

mm

Inch

Indoor side

Outdoor side

Minimum circuit Amps(MCA)

Maximum fuse Amps(MFA)

Liquid Pipe [mm]

Gas Pipe [mm]

Liquid [mm]

Low Pressure

[mm]

High Pressure

[mm]

PRHR023 PRHR033 PRHR043

16 24 32

88 8

39.8

37.2

14.9 16.7 18.2

32.8 36.8 40.1

786 X 218 X 657

30.9 X 8.6 X 25.9

Galvanized steel plate

Ø 9.52 – Ø 6.35

Ø 15.88 – Ø 12.7

Ø 9.52 Ø 12.7 Ø 15.88

Ø 22.2 Ø 28.58 Ø 28.58

Ø 19.05 Ø 22.2 Ø 22.2

Polyethylene Foam

0.17

15

220-240 V~ 50/60 Hz

8

Control Box

Connection Pipe
(to outdoor unit)

Connection Pipe
(to outdoor unit)

Connection Pipe
(to indoor unit)

ENGLISH

FEATURES

Model

Max. Connectable No. of Indoor Units

Max. Connectable No. of Indoor Units of a branch

Nominal Input

Net. Weight

Dimensions
(WxHxD)

Casing

Connecting
Pipes

Sound Absorbing Insulation Material

Current

Power Supply

Cooling [W]

Heating [W]

kg

lbs

mm

Inch

Indoor side

Outdoor
side

Minimum circuit Amps(MCA)

Maximum fuse Amps(MFA)

Liquid Pipe [mm]

Gas Pipe [mm]

Liquid [mm]

Low Pressure [mm]

High Pressure [mm]

PRHR063 PRHR083

48 64

88

75.9

72.1

27.2 30.7

60 67.7

1 113 X 218 X 657

43.8 X 8.6 X 25.9

Galvanized steel plate

Ø 9.52 – Ø 6.35

Ø 15.88 – Ø 12.7

Ø 15.88

Ø 28.58

Ø 22.2

Polyethylene Foam

0.27

15

220-240 V ~ 50/60 Hz

INSTALLATION PART

INSTALLATION PART

- Installation Manual

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

- Reducers

[Unit : mm(inch)]

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MOD els

HR unit
reducer

PRHR023

PRHR033/
PRHR043/
PRHR063/
PRHR083

Liquid pipe

OD 15.88(5/8)

Ø 12.7(1/2)

OD 12.7(1/2) Ø 9.52(3/8)

Ø 6.35(1/4) OD 9.52(3/8)

Ø 9.52(3/8)

Gas pipe

High pressure

OD 19.05(3/4) Ø 15.88(5/8)

OD 12.7(1/2)

OD 22.2(7/8) Ø 19.05(3/4) Ø 15.88(5/8)

OD 15.88(5/8) Ø 12.7(1/2)

Ø 12.7(1/2)

Ø 9.52(3/8)

Low pressure

OD 22.2(7/8) Ø 19.05(3/4) Ø 15.88(5/8)

OD 15.88(5/8) Ø 12.7(1/2)

OD 28.58(1-1/8) Ø 22.2(7/8) Ø 19.05(3/4)

OD 19.05(3/4) Ø 15.88(5/8)