LG PRHR032 INSTALLATION INSTRUCTIONS
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.
PRHR042/PRHR032/PRHR022 (Heat Recovery Unit) 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
www.lg.com
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P/NO : MFL32987312
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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!
Please read this instruction sheet completely before installing the product.
This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently.
WARNING
•Installation or repairs made by unqualified persons can result in hazards to you and others.
Installation of all field wiring and components MUST conform with local building codes or, in the absence of local codes, with the National Electrical Code 70 and the National Building Construction and Safety Code or Canadian Electrical code and National Building Code of Canada.
•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.
CAUTION : Improper installation, adjustment, alteration, service or maintenance can void the warranty.
The weight of the condensing unit requires caution and proper handling procedures when lifting or moving to avoid personal injury. Use care to avoid contact with sharp or pointed edges.
Safety Precautions
•Always wear safety eye wear and work gloves when installing equipment.
•Never assume electrical power is disconnected. Check with meter and equipment.
•Keep hands out of fan areas when power is connected to equipment.
•R-410A causes frostbite burns.
•R-410A is toxic when burned.
NOTE TO INSTALLING DEALER : The Owners Instructions and Warranty are to be given to the owner or prominently displayed near the indoor Furnace/Air Handler Unit.
WARNING
When wiring:
Electrical shock can cause severe personal injury or death. Only a qualified, experienced electrician should attempt to wire this system.
•Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked.
•Highly dangerous electrical voltages are used in this system. Carefully refer to the wiring diagram and these instructions when wiring. Improper connections and inadequate grounding can cause accidental injury or death.
•Ground the unit following local electrical codes.
•Connect all wiring tightly. Loose wiring may cause overheating at connection points and a possible fire hazard.
•The choice of materials and installations must comply with the applicable local/national or international standards.
When transporting:
Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and bend your knees when lifting to reduce strain on your back. Sharp edges or thin aluminum fins on the air conditioner can cut your finger.
When installing...
... in a wall: Make sure the wall is strong enough to hold the unit's weight.
It may be necessary to construct a strong wood or metal frame to provide added support.
... in a room: Properly insulate any tubing run inside a room to prevent "sweating" that can cause dripping and water damage to wall and floors.
... in moist or uneven locatinons: Use a raised concrete pad or concrete blocks provide a solid, level foundation for the outdoor unit. This prevents water damage and abnormal vibration.
... in an area with high winds: Securely anchor the outdoor unit down with bolts and a metal frame. Provide a suitable air baffle.
... in a snowy area(for Heat Pump Model): Install the outdoor unit on a raised platform that is higher than drifting snow. Provide snow vents.
When connecting refrigerant tubing
•Keep all tubing runs as short as possible.
•Use the flare method for connecting tubing.
•Check carefully for leaks before starting the test run.
When servicing
•Turn the power OFF at the main power box(mains) before opening the unit to check or repair electrical parts and wiring.
•Keep your fingers and clothing away from any moving parts.
•Clean up the site after you finish, remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced.
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4 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.
! 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 leakage, electric shock, or fire.
IMPORTANT SAFETY INSTRUCTIONS |
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• Always ground the product. |
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- There is risk of fire or electric shock. |
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• Make the connections securely so that the outside force of |
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the cable may not be applied to the terminals. |
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- Inadequate connection and fastening may generate heat and |
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cause a fire. |
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• For re-installation of the installed product, always contact a |
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dealer or an Authorized Service Center. |
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- There is risk of fire, electric shock, explosion, or injury. |
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• Do not install, remove, or re-install the unit by yourself (cus- |
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tomer). |
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- There is risk of fire, electric shock, explosion, or injury. |
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• Do not store or use flammable gas or combustibles near the |
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HR Unit. |
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- There is risk of fire or failure of product. |
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• Use the correctly rated breaker or fuse. |
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- There is risk of fire or electric shock. |
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• Do not damage or use an unspecified power cord. |
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- There is risk of fire, electric shock, explosion, or injury. |
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• Do not touch the power switch with wet hands. |
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- There is risk of fire, electric shock, explosion, or injury. |
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• Securely install the cover of control box and the panel. |
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- If the cover and panel are not installed securely, dust or |
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water may enter the HR unit and fire or electric shock may |
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result. |
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• Be cautious when unpacking and installing the product. |
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- Sharp edges could cause injury. Be especially careful of the |
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case edges. |
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• Safely dispose of the packing materials. |
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- Packing materials, such as nails and other metal or wooden |
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parts, may cause stabs or other injuries. |
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- Tear apart and throw away plastic packaging bags so that |
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children may not play with them. If children play with a plas- |
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tic bag which was not torn apart, they face the risk of suffo- |
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cation. |
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IMPORTANT SAFETY INSTRUCTIONS |
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! 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.
•Install the HR unit at a place in which it is not affected by operation mode changing noise.
-Installation within cell such as meeting room etc. may disturb business due to noise.
•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.
TABLE OF CONTENTS
2TIPS FOR SAVING ENERGY
4IMPORTANT SAFETY INSTRUCTIONS
8FEATURES
9INSTALLATION PART
10 INSTALLATION
10 Selection of the best location
10 Dimensional drawings
12 HR Unit Installation
14Insulation
15Wiring Connection
16Setup the switch of HR Unit
21COIL EXCHANGING METHOD
22JOINT METHOD OF HR UNIT
TABLE OF CONTENTS |
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