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.
Original instruction
[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
MFL32987320 |
www.lg.com |
Rev.02_022420 |
Copyright © 2017 - 2020 LG Electronics Inc. All Rights Reserved. |
| <![if ! IE]> <![endif]>ЯЗЫК РУССКИЙ |
<![if ! IE]> <![endif]>ENGLISH |
| <![if ! IE]> <![endif]>УКРАÏНСЬКА |
<![if ! IE]> <![endif]>ITALIANO |
| <![if ! IE]> <![endif]>ТІЛІ ҚАЗАҚ |
<![if ! IE]> <![endif]>ESPAÑOL |
| <![if ! IE]> <![endif]>МОВА БЕЛАРУСКАЯ |
<![if ! IE]> <![endif]>FRANÇAIS |
| <![if ! IE]> <![endif]>TILI ZBEK‘O |
<![if ! IE]> <![endif]>DEUTSCH |
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<![if ! IE]> <![endif]>ΕΛΛΗΝΙΚΆ |
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<![if ! IE]> <![endif]>ČEŠTINA |
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<![if ! IE]> <![endif]>NEDERLANDS |
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<![if ! IE]> <![endif]>POLSKI |
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<![if ! IE]> <![endif]>ROMÂNĂ LIMBA |
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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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SAFETY INSTRUCTIONS |
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SAFETY INSTRUCTIONS |
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Read the precautions in this manual |
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This appliance is filled with |
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carefully before operating the unit. |
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flammable refrigerant. (for R32) |
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This symbol indicates that the |
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This symbol indicates that a service |
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personnel should be handling this |
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Operation Manual should be read |
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equipment with reference to the |
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carefully. |
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Installation Manual. |
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The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance.
The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below.
!This symbol is displayed to indicate matters and operations that can cause risk.
Read the part with this symbol carefully and follow the instructions in order to avoid risk.
!WARNING
This indicates that the failure to follow the instructions can cause serious injury or death.
! CAUTION
This indicates that the failure to follow the instructions can cause the minor injury or damage to the product.
! WARNING
Installation
•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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SAFETY INSTRUCTIONS |
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wiring regulation. |
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• The appliance shall be installed in accordance with the national |
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• Compliance with national gas regulations shall be observed.
• 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 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.
• 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.
• 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.
SAFETY INSTRUCTIONS |
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purposes. |
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• Mechanical connections shall be accessible for maintenance |
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• When mechanical connectors are reused indoors, sealing parts shall be renewed. (for R32)
• When flared joints are reused indoors, the flare part shall be refabricated. (for R32)
• Be aware that refrigerants may not contain an odour.
Operation
•Do not store or use flammable gas or combustibles near the HR Unit.
-There is risk of fire or failure of product.
•Do not touch the power switch with wet hands.
-There is risk of fire, electric shock, explosion, or injury.
•Keep any required ventilation openings clear of obstruction.
•Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.
•Do not pierce or burn refrigerant cycle part.
! CAUTION
Installation
•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.
•Means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules.
•Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry accredited assessment authority, which authorizes their competence to handle refrigerants safely in accordance with an industry recognized assessment specification. (for R32)
•The installation of pipe-work shall be kept to a minimum.
•Pipe-work shall be protected from physical damage.
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before opening the valves to permit refrigerant to flow |
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• A brazed, welded, or mechanical connection shall be made
between the refrigerating system parts.
• Dismantling the unit, treatment of the refrigerant oil and eventual parts should be done in accordance with local and national standards.
• Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants. (for R32)
Operation
•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.
•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.
•The appliance shall be stored so as to prevent mechanical damage from occurring.
•Refrigerant tubing shall be protected or enclosed to avoid damage.
•Flexible refrigerant connectors (such as connecting lines between the indoor and outdoor unit) that may be displaced during normal operations shall be protected against mechanical damage.
•If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.
•To prevent the mixing of different types of refrigerants, be sure to check the type of refrigerant used in the outdoor unit.
TABLE OF CONTENTS
2TIPS FOR SAVING ENERGY
3SAFETY INSTRUCTIONS
8FEATURES
10INSTALLATION PART
11INSTALLATION
11 Selection of the best location
11 Dimensional drawings
14 HR Unit Installation
17Insulation
18Wiring Connection
19Electric Characteristics
20HR Unit PCB
21Setup the switch of HR Unit
28COIL EXCHANGING METHOD
29JOINT METHOD OF HR UNIT
TABLE OF CONTENTS |
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8 FEATURES
FEATURES
Control Box
Connection Pipe (to outdoor unit)
Connection Pipe
(to outdoor unit)
Connection Pipe (to indoor unit)
Type of HR unit |
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2 port HR unit |
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3 port HR unit |
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4 port HR unit |
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Max. Connectable No. of Indoor Units |
16 |
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24 |
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32 |
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Max. Connectable No. of Indoor Units of a branch |
8 |
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8 |
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8 |
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Nominal Input |
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Cooling [W] |
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39.8 |
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Heating [W] |
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37.2 |
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Net. Weight |
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kg |
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14.9 |
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16.7 |
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18.2 |
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lbs |
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32.8 |
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36.8 |
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40.1 |
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Dimensions |
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mm |
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786 X 218 X 657 |
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(WxHxD) |
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Inch |
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30.9 X 8.6 X 25.9 |
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Casing |
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Galvanized steel plate |
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Indoor side |
Liquid Pipe [mm] |
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Ø 9.52 – Ø 6.35 |
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Gas Pipe [mm] |
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Ø 15.88 – Ø 12.7 |
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Liquid [mm] |
Ø 9.52 |
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Ø 12.7 |
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Ø 15.88 |
Connecting |
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Low Pressure |
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Pipes |
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Ø 22.2 |
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Ø 28.58 |
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Ø 28.58 |
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Outdoor side |
[mm] |
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High Pressure |
Ø 19.05 |
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Ø 22.2 |
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Ø 22.2 |
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[mm] |
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Sound Absorbing Insulation Material |
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Polyethylene Foam |
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Current |
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Minimum circuit Amps(MCA) |
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0.17 |
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Maximum fuse Amps(MFA) |
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15 |
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Power Supply |
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220-240 V~ 50/60 Hz |
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FEATURES 9
Connection Pipe
(to outdoor unit)
Control Box
Connection Pipe
(to indoor unit) Connection Pipe 
(to outdoor unit)
Type of HR unit |
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6 port HR unit |
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8 port HR unit |
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Max. Connectable No. of Indoor Units |
48 |
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64 |
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Max. Connectable No. of Indoor Units of a branch |
8 |
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8 |
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Nominal Input |
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Cooling [W] |
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75.9 |
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Heating [W] |
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72.1 |
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Net. Weight |
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27.2 |
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30.7 |
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lbs |
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60 |
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67.7 |
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Dimensions |
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mm |
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1 113 X 218 X 657 |
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(WxHxD) |
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Inch |
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43.8 X 8.6 X 25.9 |
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Casing |
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Galvanized steel plate |
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Indoor side |
Liquid Pipe [mm] |
Ø 9.52 – Ø 6.35 |
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Gas Pipe [mm] |
Ø 15.88 – Ø 12.7 |
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Connecting |
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Liquid [mm] |
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Ø 15.88 |
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Pipes |
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Outdoor |
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Low Pressure [mm] |
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Ø 28.58 |
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side |
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High Pressure [mm] |
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Ø 22.2 |
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Sound Absorbing Insulation Material |
Polyethylene Foam |
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Current |
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Minimum circuit Amps(MCA) |
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0.27 |
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Maximum fuse Amps(MFA) |
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15 |
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Power Supply |
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220-240 V ~ 50/60 Hz |
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<![endif]>ENGLISH
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