Table of Contents
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OWNER'S MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
TYPE : WALL MOUNTED INVERTER
MODELS
Indoor Unit
D12NAK
/ A12NRK
NSB
A12NWK
/ D09NAK
NSB
A09NRK
/ A09NWK
NSB
P/NO : MFL67657206
Outdoor Unit
D12NAK
NSB
NSB
NSB
/ D09NAK
UL2
UL2
0197
0197
www.lg.com
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Table of Contents
Related Manuals for LG D12NAK UL2
Summarization of Contents
Tips for Saving Energy
For Your Records
Staple receipt and record model/serial numbers for warranty purposes.
Important Safety Instructions
General Warnings and Cautions
Comply with precautions to avoid dangerous situations and ensure peak performance.
Installation Safety Guidelines
Follow instructions for safe installation to prevent hazards and product failure.
Operation Safety Guidelines
Adhere to operating precautions to prevent electric shock, fire, and injury.
Operation Ranges and Cautions
Details operation temperature ranges and general cautions.
Before Use
Indoor Unit Components
Identifies parts of the indoor air conditioner unit.
Outdoor Unit Components
Identifies parts of the outdoor air conditioner unit.
Using the Remote Control
Wireless Remote Control Overview
Explains the buttons and display screen of the wireless remote control.
Remote Control Installation and Battery
Details inserting batteries and installing the remote control holder.
Basic Functions
Cooling and Heating Operations
Guides on setting up cooling and heating operations with temperature adjustments.
Humidity and Air Circulation
Explains dehumidifying operation and air circulation mode.
Adjusting Fan Speed and Airflow
Details how to adjust fan speed and control air flow direction.
Timer and Sleep Mode Settings
Guides on setting timers, sleep mode, and auto on/off functions.
Advanced Functions
Quick Temperature Control and Air Purification
Explains Jet Cool/Heat and Auto Cleaning functions for rapid cooling/heating and moisture removal.
Purification and Energy Saving Modes
Details Ionizer purification operation and energy saving cooling mode.
Low Heating, Unit Settings, and Remote Operation
Covers LH mode, °C/°F conversion, display brightness, and unit operation without remote.
Auto Restart and Disabling Feature
Explains automatic restart after power failure and how to disable it.
WLAN Connectivity
Information on optional WLAN connection and mobile app usage.
Maintenance
Drying and General Cleaning
Procedure for drying the unit before storage and general cleaning advice.
Cleaning Air Filters and Ionizer
Detailed steps for cleaning air filters, 3M filter, and the lonizer.
Indoor and Outdoor Unit Maintenance Schedule
Table listing intervals for cleaning indoor/outdoor unit parts and replacing batteries.
Troubleshooting
Self-Diagnosis and Pre-Service Checks
Explains the self-diagnosis function and checks before contacting service.
Common Operating Problems and Solutions
Addresses common issues like no operation, no cooling/heating, noise, and odor.
Need help?
Do you have a question about the D12NAK UL2 and is the answer not in the manual?
Questions and answers