LG MULTI V ARNU123SEL2 Installation Manual
Wall mounted
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Also See for MULTI V ARNU123SEL2:
- Quick manual (2 pages) ,
- Owner's manual (17 pages) ,
- Manual de propietario (13 pages)
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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.
WALL MOUNTED
P/NO : MFL42803117
Copyright © 2012 - 2018 LG Electronics Inc. All Rights Reserved.
http://www.lghvac.com
www.lg.com
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Table of Contents
Related Manuals for LG MULTI V ARNU123SEL2
Summary of Contents for LG MULTI V ARNU123SEL2
- Page 1 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. WALL MOUNTED http://www.lghvac.com www.lg.com P/NO : MFL42803117 Copyright © 2012 - 2018 LG Electronics Inc. All Rights Reserved.
- Page 2 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 •...
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Page 3: Table Of Contents
Wall Mounted Type Indoor Unit Installation Manual TABLE OF CONTENTS Installation Requirements Required Parts Required Tools Installation Parts.......4 Safety Precautions ....5 o Installation guide map o Level gauge Installation.........8 o Four type "A" screws & plastic o Screw driver o Electric drill anchors o Connecting cable o Hole core drill... -
Page 4: Installation Parts
Installation Parts Installation Parts Installation plate(1EA) Installation plate(1EA) Type "A" screw (6 EA) Type "B" screw (2 EA) Type "A" screw (6 EA) Type "B" screw (2 EA) Conduit mounting plate(1EA) Conduit mounting plate(1EA) Indoor Unit... -
Page 5: Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. n Be sure to read before installing the air conditioner. n Be sure to observe the cautions specified here as they include important items related to safety. n Incorrect operation due to ignoring instruction will cause harm or damage. - Page 6 Safety Precautions • Do not modify or extend the power cable. - There is risk of fire or electric shock. • Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open.
- Page 7 Safety Precautions Installation • Always check for gas (refrigerant) leakage after installation or repair of product. - Low refrigerant levels may cause failure of product. • Install the drain hose to ensure that water is drained away properly. - A bad connection may cause water leakage. •...
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Page 8: Installation
Installation Installation Read completely, then follow step by step. Selection of the best location There should not be any heat source or steam • Front near the unit. • There should not be any obstacles to prevent the Left air circulation. •... -
Page 9: Piping Method
Installation Piping Method n Preparing the indoor unit's piping and drain hose for 3. Tape the tubing, drain hose and the connecting installation through the wall. cable. Be sure that the drain hose is located at the n Remove the plastic tubing retainer(see illustration lowest side of the bundle. - Page 10 Installation n Tighten the flare nut with a wrench. n Wrap the area which accommodates the rear pip- ing housing section with vinyl tape. Spanner (fixed) Indoor Connection unit pipe pipe Flare nut Wrap with vinyl tape Vinyl tape Connection (wide) Torque pipe...
- Page 11 Installation For right rear piping 1. Route the indoor tubing and the drain hose to the Spanner (fixed) required piping hole position. Flare nut Connection Torque pipe wrench Indoor unit tubing n When extending the drain hose at the indoor unit, install the drain pipe.
- Page 12 Installation n Bundle the piping and drain hose together by 10. Indoor unit installation n Remove the spacer. wrapping them with cloth tape over the range n Ensure that the hooks are properly seated on the within which they fit into the rear piping housing section.
- Page 13 Installation Installation Information. For left piping. Follow the instruction below. Good case • Press on the upper side of clamp and unfold the tubing to downward slowly. ※ Make the space between the tubing and the rear panel Bad case •...
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Page 14: Plumbing Materials And Storage Methods
Installation Plumbing materials and storage methods Pipe must be able to obtain the specified thickness and should be used with low impurities. Also when handling storage, pipe must be careful to prevent a fracture, deformity and wound. Should not be mixed with contaminations such as dust, moisture. Refrigerant piping on three principles Drying Cleanliness... -
Page 15: Drain Piping
Installation 1. Always use the nitrogen.(not use oxygen, carbon dioxide, and a Chevron gas): Please use the following nitrogen pressure 0.02MPa Oxygen --------- Promotes oxidative degradation of refrigerant oil. Because it is flammable, it is strictly prohibited to use Carbon dioxide --- Degrade the drying characteristics of gas Chevron Gas ---- Toxic gas occurs when exposed to direct flame. -
Page 16: Wiring Connection
Installation Wiring Connection 1) Connect the wires to the terminals on the control board individually according to the outdoor unit connection. • Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively. - Page 17 Installation WARNING : Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire hazzard may also exist. Therefore, be sure all wiring is tightly connected. CAUTION: After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power circuit specifically for the air conditioner.
- Page 18 Installation CAUTION : The connecting cable connected to the indoor and outdoor unit should be complied with the fol- lowing specifications (This equipment shall be provided with a cord set complying with the national regulation). 10±3mm AWG18 If the supply cord is damaged, it must be replaced by a special cord or assembly available from the manufacturer of its service agent.
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Page 19: Group Control Setting
Installation Group Control Setting 1. Group Control 1 n Wired remote controller 1 + Indoor units LGAP Network System Slave Master Slave Signal Slave 12 V Display Error Message Only connect serial signal and GND lines between slave indoor unit Master 1. - Page 20 Installation 2. Group Control 2 Wired remote controllers + Standard Indoor Units LGAP Network System Slave Slave Slave Signal Master 12 V Donʼt connect serial 12V line Display Error Message Master Slave It is possible to control N indoor units by wired remote controller M units. (M+N≤17 Units) Set only one indoor unit to Master, set the others to Slave.
- Page 21 Installation 3. Group Control 3 Mixture connection with indoor units and Fresh Air Intake Unit LGAP Network System Signal Master Slave Master Slave 12 V Display Error Message Master Master In case of connecting with standard indoor unit and Fresh Intake Unit, separate Fresh Air Intake Unit with standard units.
- Page 22 Installation 4. 2 Remote Control Wired remote controller 2 + Indoor unit 1 LGAP Network System Master Display Error Message Master Slave 1. It is possible to connect two wired remote controllers with one indoor unit. 2. Every types of indoor unit is possible to connect two remote controller. 3.
- Page 23 Please call the installing contractor of your product, as warranty service will be provided by them. Service call Number # : (888) LG Canada, (888) 542-2623 CANADA Numéro pour les appels de service : LG Canada, 1-888-542-2623...