LG Multi V PRHR083A Manuale utente
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
Copyright © 2018 LG Electronics Inc. All Rights Reserved.
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
2
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
5
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
6
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
kg
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
kg
lbs
Dimensions
(WxHxD)
mm
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
88
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
15
1Ø, 208/230 V, 60 Hz
1,MFL32987321,영영 2018. 5. 16. 영영 5:46 Page 8
9
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)
more
(Servicing space) (Servicing space)
(Servicing space) (Servicing space)
500(19-11/16)
7
311(12-1/4)
1
2
3
6(1/4) more (Serviceing space)
6(1/4) more (Serviceing space)
126(4-31/32)
147(5-23/32)
6
54
19(3/4) 55(2-5/32)
389(15-5/16)
92
(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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