User Manual LG LW1221HRSM 12,000 BTU Smart Wi-Fi Enabled Window Air Conditioner

• Owner's manual - (English)

Table of contents

• PRODUCT OVERVIEW
• OPERATION
• MAINTENANCE
• TROUBLESHOOTING

Owner Manual AIR CONDITIONER

PRODUCT OVERVIEW

Exterior Parts

1. Control Panel
2. Remote Control
3. Air Filter
4. Vertical Air Deflector (Horizontal Louver)
5. Horizontal Air Deflector (Vertical Louver)
6. Front Grille
7. Air Outlet
8. Cabinet

Interior Parts

1. Evaporator
2. Air Guide
3. Brace
4. Compressor
5. Condenser
6. Base Pan
7. Power Cord
8. Electric Heater

OPERATION

Control Panel and Remote Control

NOTE: The feature may be changed according to the type of model.

1. Power
   Press to turn the air conditioner ON or OFF.
2. Fan Speed
   Press to set the fan speed to Low (F1), High (F2).
3. Delay ON/OFF Timer
   Delay ON - When the air conditioner is off, set it to automatically turn on from 1 to 24 hours later, at its previous mode and fan settings.
   Delay OFF - When the air conditioner is on, set it to automatically turn off from 1 to 24 hours later.
   NOTE: Each press of the Timer button advances the timer by 1 hour. After the last press the display
4. Operation Mode
   
   See other models: LW1821HRSM LW8021HRSM LW2421HRSM ARWN144BAS4 42LD452C
   Press the Mode button to cycle between 4 types of air conditioner operation: Energy Saver / Cool / Fan / Heat.
   Energy Saver - In this mode the compressor and fan turn off when the set temperature is achieved. Approximately every 3 minutes the fan turns on to allow the unit sensor to accurately determine if more cooling is needed.
   Cool - This mode is ideal on hot days to cool and dehumidify the room quickly. Use the Temp buttons to set the desired room temperature and use the Fan Speed button to set the desired fan circulation speed.
   Fan - In this mode the fan circulates air but the compressor does not run. Use the Fan Speed button to set fan speed to High or Low. In this mode, you cannot adjust the set temperature.
   Heat - This mode is ideal on cold days to heat the room quickly. Use the Temp buttons to set the desired room temperature and use the Fan Speed button to set the desired fan circulation speed.
5. Wi-Fi (Wi-Fi Model Only)
   Enables connection of the air conditioner to a home Wi-Fi network.
6. Filter Reset
   The Clean Filter LED lights up to notify you that the filter needs to be cleaned. After cleaning the filter, press Filter Reset on the control panel to turn off the Cleaner Filter light.
   NOTE:
   The filter reset must be dine using the control panel, not the remote control.
   This feature is a reminder to clean the air filter for more efficent operation. The LED light turns on after 250 hours of operation.
7. Temperature Control
   The thermostat monitors room temperature to maintain the desired temperature. The thermostat can be set between 60 °F–86 °F (16 °C–30 °C). Press or arrows to increase or decrease temperature setting.

NOTE

• A slight heat odor may come from the unit when first switching to HEAT after the cooling season is over. This odor, caused by fine dust particles on the heater, will dissipate quickly.
• Auto Restart: If the air conditioner turns off due to a power outage, it will restart automatically once the power is restored, with the same settings as were set before the unit turned off.
• Energy Saver: The unit defaults to the Energy Saver mode each time the unit is switched on except in Fan mode or when power is restored after an electrical power outage.
• The remote control will not function properly if the AC infrared sensor is exposed to direct light or if there are obstacles between the remote control and the air conditioner.

Wireless Remote Control

Inserting Battery

1. Push out the cover on the back of the remote control with your thumb.
2. With the plus and minus poles facing as marked, insert one new AAA 1.5 V battery.
   
3. Reattach the cover.

NOTE

• One new battery is supplied with the air conditioner for use in the remote control.
• Do not use a rechargeable battery. Make sure that the battery is new.
• In order to prevent discharge, remove the battery from the remote control if the air conditioner is not going to be used for an extended period of time.
• Keep the remote control away from extremely hot or humid places.
• To maintain optimal operation of the remote control, the remote sensor should not be exposed to direct sunlight.

Ventilation

Push the ventilation lever in to the closed position to maintain the best cooling performance. Pull the ventilation lever out to open the vent and draw fresh air into the room.

Air Direction

Airflow can be adjusted by changing the direction of the air conditioner’s louvers.

Adjusting Horizontal Airflow Direction

The horizontal airflow is adjusted by moving the levers of the vertical louvers to the left or right.

Adjusting Vertical Airflow Direction

Touch the horizontal louvers to adjust the airflow up or down.

NOTE: When the weather is extremely hot, the unit may turn off automatically to protect the compressor.

Additional Features

Slinger Fan

This air conditioner is equipped with a slinger fan. (See drawing.)

The fan’s outer ring picks up the condensed water from the base pan if the water level gets high enough. The water is then picked up by the fan and expelled through the condenser, making the air conditioner more efficient.

Drain Pipe

In humid weather, excess water may cause the base pan to overflow. To drain the water, remove the drain cap and secure the drain pipe to the rear hole of the base pan. Press the drain pipe into the hole by pushing down and away from the fins to avoid injury.

CAUTION: Be careful when inserting the drain pipe. Push away from the sharp fin area to avoid slipping injuring yourself.

MAINTENANCE

WARNING: Before cleaning or performing maintenance, disconnect the power supply and wait until the fan stops.

Air Filter

Check the air filter at least twice a month to see if cleaning is necessary. Trapped particles in the filter can build up an block the airflow, reducing cooling capacity and causing an accumulation of frost on the evaporator.

Cleaning the Air Filter

1. Lift the inlet grille. Remove the air filter from the front grille by pulling it up slightly
   
2. Washig the filter using lukewarm water below 40 °C (104 °F).
   
3. Gently shake the excess water from the filter and replace.

Cleaning the Air Conditioner

• Wipe the front grille and inlet grille with a cloth dampened in a mild detergent solution.
• Wash the cabinet with mild soap or detergent and lukewarm water, then polish using liquid appliance wax.

NOTE

• To ensure continued peak efficiency, the condenser coils (outside of unit) should be checked periodically and cleaned if clogged with soot or dirt from outside air.
• For repair and maintenance, contact an Authorized Service Center. See the warranty page for details or call 1-800-243-0000.
  Have your model number and serial number available. They can be found on the side of the cabinet. Record them on page 27 for future reference.

TROUBLESHOOTING

Before Calling for Service

The appliance is equipped with an automatic error-monitoring system to detect and diagnose problems at an early stage. If the appliance does not function properly or does not function at all, check the following before you call for service.

Normal Sounds You May Hear

1. High Pitched Chatter
   Today's high efficiency compressors may have a high pitched chatter during the cooling cycle.
2. Sound of Rushing Air
   At the front of the unit, you may hear the sound of rushing air being moved by the fan.
3. Gurgle/Hiss
   Gurgling or hissing noise may be heard due to refrigerant passing through evaporator during normal operation.
4. Vibration
   Unit may vibrate and make noise because of poor wall or window construction or incorrect installation.
5. Pinging or Swishing
   Droplets of water hitting condenser during normal operation may cause pinging or swishing sounds.

Wi-Fi