LG MULTI V ARNU243CFA4 Installation Manual
Floor standing / concealed floor standing
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Also See for MULTI V ARNU243CFA4:
- Installation manual (41 pages) ,
- Owner's manual (15 pages) ,
- Engineering manual (62 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.
Floor Standing
Concealed Floor Standing
Original instruction
P/NO : MFL65003109
Copyright © 2014 - 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 ARNU243CFA4
Summary of Contents for LG MULTI V ARNU243CFA4
- Page 1 Please retain this installation manual for future reference after reading it thoroughly. Floor Standing Concealed Floor Standing Original instruction http://www.lghvac.com www.lg.com P/NO : MFL65003109 Copyright © 2014 - 2018 LG Electronics Inc. All Rights Reserved.
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Page 2: Table Of Contents
Floor Standing Concealed Floor Standing Type Indoor Unit Installation Manual TABLE OF CONTENTS Installation Requirements Required Parts Required Tools Features........3 Safety Precautions....4 o Level gauge Installation o Four type "A" screws o Screw driver o Connecting cable o Electric drill o Hole core drill Selection the best location..7 o Pipes: Gas side... -
Page 3: Features
Feature Features [CEA/CFA Type] Control panel Air Outlet Remote Controller Control panel TEMP Remote Controller Air Filter Air Inlet [CEU/CFU Type] Air Inlet Air filter (At Air Inlet) Installation Tool Conduit Insulation for Clamp (Other) Name Drain hose Screw mounting fitting (Tie Wrap) plate... -
Page 4: 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 Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classi- fied by the following indications. WARNING This symbol indicates the possibility of death or serious injury. - Page 5 Safety Precautions • Use a vacuum pump or Inert (nitrogen) gas when doing leakage test or air purge. Do not compress air or Oxygen and Do not use Flammable gases. Otherwise, it may cause fire or explosion. - There is the risk of death, injury, fire or explosion. Operation •...
- Page 6 Safety Precautions CAUTION 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 7: Installation
Installation Installation Selection of the best location Indoor unit Install the air conditioner in the location that satis- fies the following conditions. • The place shall easily bear a load exceeding four times the indoor unit’s weight. • Sufficient space should be available to inspect Window the unit as in the figure shown on the right. - Page 8 Installation Bolt pitch • Positioning of holes for fastening to the wall (Unit:mm) Capacity(Btu/h) 1136 1. Use the installationmount for installation. Check whether the wall is strong enough to bear the weight of the unit or not. if there is a risk, rein- force the wall before installing the unit.
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Page 9: How To Connect Wirings
Installation How to connect wirings Remove the electric parts Box cover and connect the wiring Power Supply wiring ground wiring Transmission wiring (Field wiring) (Field wiring) Wiring Connection Connect the wires to the terminals on the control board individually according to the outdoor unit connection. •... -
Page 10: Indoor Unit Drain Piping
Installation HEAT INSULATION 1. Use the heat insulation material for the refrigerant Fastening band (accessory) piping which has an excellent heat-resistance (over 120°C). 2. Precautions in high humidity circumstance: This air conditioner has been tested according to Refrigerant piping the "ISO Conditions with Mist" and confirmed that Indoor unit there is not any default. - Page 11 Installation CAUTION: After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power specialized for the air conditioner. As for the method of wiring, be guided by the circuit diagram posted on the inside of control box cover.
- Page 12 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 13: Dip Switch Setting
Installation Dip Switch Setting 1. Indoor Unit Function Description Setting Off Setting On Default Communication N/A (Default) Cycle N/A (Default) Selection of Master or Group Control Master Slave Slave Wired/Wireless remote Dry Contact Selection of Dry controller Auto Mode Contact Mode selection of Manual or Auto operation Mode Fan continuous... -
Page 14: Group Control Setting
Installation Group Control Setting 1. Group Control 1 n Wired remote controller 1 + Standard Indoor Units LGAP Network System Signal Master Slave Slave Slave 12 V Only connect serial signal and GND lines Display Error Message between indoor units. Master n DIP Switch in PCB ¿... - Page 15 Installation h It is possible to connect indoor units since Feb. 2009. h It can be the cause of malfuctions when there is no setting of master and slave. h In case of Group Control, it is possible to use following functions. - Selection of operation, stop or mode - Temperature setting and room temperature check - Current time change...
- Page 16 Installation 3. Group Control 3 n Mixture connection with indoor units and Fresh Air Intake Unit LGAP Network System Master Signal Slave Master Slave Master 12 V Display Error Message Display Error Message Master Master h In case of connecting with standard indoor unit and Fresh Air Intake Unit, separate Fresh Air Intake Unit with standard units.
- Page 17 Installation 4. 2 Remote Control n Wired remote controller 2 + Indoor unit 1 LGAP Network System Slave Slave Signal Slave Master 12 V Display Error Message Master Slave 1. It is possible to connect two wired remote controllers (Max.) with one indoor unit. Set only one indoor unit to Master, set the others to Slave.
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Page 18: Model Designation
Installation Model Designation Serial Number Combinations of functions A:Basic function L: Neo Plasma(Wall Mounted) C: Plasma(Ceiling Cassette) G: Low Static K: High Sensible Heat U: Floor Standing without Case SE/S8 - R: Mirror V: Silver B:Blue(ART COOL Type Panel Clolr) - E: Red V: Silver G:Gold 1: Kiss (Photo changeable)