LG ARNU09GTUB4 User manual

Ceiling Cassette - 1Way
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.
INSTALLATION MANUAL
AIR
CONDITIONER
www.lg.com
Copyright © 2018 - 2019 LG Electronics Inc. All Rights Reserved.
MFL69459945
Rev.00_112719
ENGLISH ESPAÑOL
PORTUGUÊS

2Indoor Unit
TABLE OF CONTENTS
3 Installation Parts
4 Safety Instructions
6 Installation
6 Selection of the Best Location
7 Ceiling Dimension and Hanging Bolt Location
8 Wiring Connection
9 Installation of Decoration Panel (Panel Type)
10 Installation of Decoration Panel (Grille Type)
11 Drain Piping
12 DIP Switch Setting
13 Group Control Setting
18 Airborne Noise Emission
18 Limiting concentration
TABLE OF CONTENTS

Installation Manual 3
Installation Parts
ENGLISH
Wired Remote Controller
(Accessory) Wired Remote Controller
(Accessory)
Air
Intake
Air Intake
Air
Intake
Air Outlet
Air Outlet
Installation Parts
Name
Quantity
Shape for gas pipe
for liquid pipe
Clamp metal
2 EA
Insulation for
fitting
1 SET
Drain hose
1 EA
Plastic band
8 EA
Washer for
hanging backet
4 EA
(Other)
• Paper pattern for
installation
• Owner's manual *
• Installation manual *
• Installation 1 sheet *
* : Optional or factory
installed
Panel type Grille type
• Screws for fixing panels are attached to decoration panel.
Installation Tool

4Indoor Unit
Safety Instructions
Installation
• Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit.
- There is risk of fire or electric shock.
• For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized Service
Center.
- Do not disassemble or repair the product. There is risk of fire or electric shock.
• Always ground the product.
- There is risk of fire or electric shock.
• Install the panel and the cover of control box securely.
- There is risk of fire or electric shock.
• Always install a dedicated circuit and breaker.
- Improper wiring or installation may cause fire or electric shock.
• Use the correctly rated breaker or fuse.
- There is risk of fire or electric shock.
• 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.
- Moisture may condense and wet or damage furniture.
• Be cautious when unpacking and installing the product.
- Sharp edges could cause injury. Be especially careful of the case edges and the fins on the
condenser and evaporator.
• For installation, always contact the dealer or an Authorized Service Center.
- There is risk of fire, electric shock, explosion, or injury.
• Do not install the product on a defective installation stand.
- It may cause injury, accident, or damage to the product.
Safety Instructions
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.
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.
!
!
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
!

Installation Manual 5
Safety Instructions
ENGLISH
• Be sure the installation area does not deteriorate with age.
- If the base collapses, the air conditioner could fall with it, causing property damage, product
failure, and personal injury.
• 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.
• Do not turn on the breaker or power under condition that front panel, cabinet, top cover, control
box cover are removed or opened.
- Otherwise, it may cause fire, electric shock, explosion or death.
Operation
• Do not store or use flammable gas or combustibles near the product.
- There is risk of fire or failure of product.
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.
• Keep level even when installing the product.
- To avoid vibration or water leakage.
• Use two or more people to lift and transport the product.
- Avoid personal injury.
• Means for disconnection must be incorporated in the fixed wiring in accordance with the wiring
rules.
CAUTION
!