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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.
CEILING CASSETTE - 2WAY
Original instruction
ARNU18GTLA2
ARNU24GTLA2
P/NO : MFL69446302
I.15.LG23.01504.0416
www.lg.com
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Summary of Contents for LG ARNU18GTLA2
- 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. CEILING CASSETTE - 2WAY Original instruction ARNU18GTLA2 ARNU24GTLA2 I.15.LG23.01504.0416 www.lg.com P/NO : MFL69446302...
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Page 2: Table Of Contents
Ceiling Cassette - 2Way Type Indoor Unit Installation Manual TABLE OF CONTENTS Installation Requirements Required Parts Required Tools Installation Parts ....3 Safety Precautions....4 ❏ Installation guide map ❏ Level gauge Installation ❏ Four type "A" screws & plas- ❏ Screw driver ❏... -
Page 3: Installation Parts
Installation Parts Installation Parts Anti-bacteria filter Air Intake Air Outlet Wired Remote Controller(Accessory) Installation Tool Washer for Clamp Insulation for (Other) Name Drain hose Clamp metal hanging bracket (Tie Wrap) fitting Quantity 1 EA 2 EA 8 set 4 EA 1 EA •... -
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. ■ Be sure to read before installing the air conditioner. ■ Be sure to observe the cautions specified here as they include important items related to safety. ■... - Page 5 Safety Precautions For installation, always con- Do not install the product on Be sure the installation area tact the dealer or an Author- a defective installation stand. does not deteriorate with age. ized Service Center. • There is risk of fire, electric •...
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Page 6: Installation
Installation Installation Read completely, then follow step by step. Selection of the best location • There should not be any heat source or steam near the unit. • There should not be any obstacles to the air circulation. • A place where air circulation in the room will be good. •... -
Page 7: Ceiling Dimension And Hanging Bolt Location
Installation Ceiling dimension and hanging bolt location • The dimensions of the paper model for installation are the same as those of the ceiling opening dimensions. 1 010 (Ceiling opening) Ceiling 877 (Hanging bolt) Level gauge CAUTION : • This air-conditioner uses a drain pump. -
Page 8: Wiring Connection
Installation Ceiling Keep the length of the bolt Hanging bolt from the bracket to 40 mm (W3/8 or M10) Flat washer for M10 (W3/8 or M10) Air Conditioner body (accessory) Ceiling board Ceiling board Ceiling board Ceiling board Flat washer for M10 (accessory) Paper pattern Set screw of... -
Page 9: Installation Of Decoration Panel
Installation Installation of Decoration Panel The decoration panel has its installa- Before installing the decoration panel, al- tion direction. ways remove the paper template. 1. Temporarily fix two decoration panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount 10 mm in length.) The fixing screws (hexagon M5 screw) are in- cluded the indoor unit box. -
Page 10: Drain Piping
Installation Drain Piping • Drain piping must have down-slope (1/50 to Upward 1/100): be sure not to provide up-and-down slope Pipe clamp routing to prevent reversal flow. not allowed • During drain piping connection, be careful not to Indoor unit exert extra force on the drain port on the indoor unit. - Page 11 Installation CAUTION: After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have separate power specially for the air conditioner. As for the method of wiring, follow the circuit diagram pasted on the inside of control box cover.
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Page 12: Dip Switch Setting
Installation DIP Switch Setting 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 Selection of Dry Con- Dry Contact controller tact Auto Mode selection of Manual or Auto Mode operation Mode Fan continuous... -
Page 13: Group Control Setting
Installation Group Control Setting 1. Group Control 1 ■ Wired remote controller 1 + Standard Indoor Units LGAP Network System Signal Master Slave Slave Slave 12 V Only connect serial signal and Display Error Message GND lines between indoor units. Master ■... - Page 14 Installation 5. In case of any error occurs at indoor unit, display on the wired remote controller. Exception of the error indoor unit, an individual indoor unit control possibility. 6. In case of Group Control, it is possible to use following functions. - Selection of operation options (operation/stop/mode/set temperature) - Control of flow rate (High/Middle/Low) - It is not possible at some functions.
- Page 15 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 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 16 Installation 4. 2 Remote Control ■ Wired remote controller 2 + Indoor unit 1 LGAP Network System Master Signal 12 V Display Error Message Master Slave 1. It is possible to connect two wired remote controllers with one indoor unit. 2.
- Page 17 Installation 5. Accessories for group control setting It is possible to set group control by using below accessories. Indoor unit 2 EA +Wired remote controller 1 EA Indoor unit 1 EA +Wired remote controller 2 EA ❈ PZCWRCG3 cable used for connection ❈...
- Page 18 Indoor Unit...
- Page 19 PT.LG Electronics Indonesia Gandaria 8 Office Tower Lt. 29 BC & 31 ABCD Jl.Sultan Iskandar Muda, Kebayoran Lama Utara - Kebayoran Lama, Jakarta Selatan - DKI Jakarta Raya, Indonesia...
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