LG LW1512ER Air Conditioner Instruction Manual

LW1512ER Air Conditioner

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Product Information

Specifications:

• Model: LG LW1812ER

• Cooling Capacity: 14500-24000 BTU

• Weight: 100 lbs to 130 lbs (45.4 kg to 59.0 kg)

• Window Opening Dimensions:

  • 14500-18000 BTU: Min A(inch) 28, Max A(inch) 38, Min B(inch)
    17

  • 24000 BTU: A(inch) and B(inch) dimensions not specified

Product Usage Instructions

Before Operation

Make sure all parts are included in the package:

• Top rail
• Foam seal
• Installation brackets (left and right)
• Window lock bracket
• Screws
• Bracket screws
• Locknut
• Left and right side curtains
• Remote control

Tools Needed for Installation:

• Phillips head screwdriver
• Flat-blade screwdriver
• Scissors
• Level
• Tape measure
• Cordless drill and 1/8 bit
• Pencil
• Pliers
• Socket wrench and sockets
• Adjustable wrench

Location Requirements:

Ensure the installation location meets the following
criteria:

• Grounded electrical outlet within 4 ft of the air conditioner’s
  power cord exit point

• Adequate air movement in the room

• Sufficient space for air conditioner installation

• Adequate wall support for the air conditioner’s weight

Window Installation:

Detailed steps to install the air conditioner in a window:

1. Measure the width of the window opening
2. Mark the center line on the inside windowsill

Assemble Curtain/Top Rail:

1. Install top rail with screws

2. Attach curtains to the air conditioner before placing it in the
   window

3. Fasten curtain retainer strips to the sides of the outer case
   with screws

Positioning the Air Conditioner:

Handle the air conditioner gently and ensure proper positioning
without blocking louvers.

Frequently Asked Questions (FAQ):

Q: Can I use an extension cord with the air conditioner?

A: No, a grounded electrical outlet within 4 ft of the power
cord exit is required. Do not use an extension cord.

Q: What tools are needed for installation?

A: Tools required include a Phillips head screwdriver,
flat-blade screwdriver, scissors, level, tape measure, cordless
drill with 1/8 bit, pencil, pliers, socket wrench and sockets, and
an adjustable wrench.

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LG LW1812ER Owner’s Manual
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LW1512ER,LW1812ER,LW2412ER
0010539272

Before Operation

7

NOTE: Your air conditioner may differ from the one shown. REMOTE CONTROLLER

Parts supplied:
Check that all parts are included in parts package.

A B

C

D

GH

E

F

I

J

A. Top rail B. Foam seal C. Installation brackets (left and right) D. Window lock bracket
E. 14500-18000 BTU: ” screws (12)
24000 BTU: ” screws (10) F. ” bracket screws (6) G. 14500-18000 BTU: ” screws (8)
24000 BTU: ” screws (10)
locknut(2)
I. Left and right side curtains
J. Remote control

Gather the required tools and parts before starting installation. Read and follow the instructions provided with any tools listed here.

Tools needed

Phillips head screwdriver Flat-blade screwdriver Scissors Level

Tape measure Cordless drill and 1/8″ bit Pencil Pliers

Socket wrench and sockets Adjustable wrench

Location Requirements

IMPORTANT: Observe all governing codes and ordinances.

Check the location where the air conditioner will be installed.

Make sure you have everything necessary for correct installation.

The location should provide:

A

Grounded electrical outlet within 4 ft (122 cm) of where the power cord exits the air conditioner.

NOTE: Do not use an extension cord.

Free movement of air in room to be cooled.
A large enough opening for the air conditioner. Installation parts are supplied for double-hung windows.
Adequate wall support for weight of air conditioner. Air conditioner weighs 100 lbs to 130 lbs (45.4 kg to 59.0 kg).

NOTE: Cabinet louvers must not be obstructed. Air must be able to pass freely through the cabinet louvers.

A. Cabinet louvers

Window Installation

Window opening measurements:

MODEL
Dimension
A(inch) Min A(inch) Max B(inch) Min

14500-18000 BTU
28 “(72.1cm) 38″(96.5cm) 17 “(44.1cm)

24000 BTU
31¼”(79.4cm) 40″(101.6cm) 20¼”(51.4cm)

A B

A. Width B. Height

Unpack the Air Conditioner
Remove Packaging Materials
NOTE:The air conditioner must set upright for one hour before operating. Remove and dispose of/recycle packaging materials. Remove tape and glue residue from surfaces before turning on the air conditioner. Rub a small amount of liquid dish soap over the adhesive with your fingers.Wipe with warm water and dry. Do not use sharp instruments,rubbing alcohol, flammable fluids,or abrasive cleaners to remove tape or glue.These products can damage the surface of your air conditioner. Handle the air conditioner gently.
Prepare Air Conditioner for Installation
Unpack unit on the floor next to installation location. 1. Remove two front attachment screws.Separate the outer case from the front with a putty knife at the catch points designated by the arrows. 2.14500-18000 BTU:Remove the four screws on both sides of the outer case. 24000 BTU:Remove the two screws on both sides of the outer case. 3.Using the basepan handle, slowly and evenly pull chassis out from outer case. NOTE: Cover putty knife blade with masking tape to guard against damage of the unit finish. CAUTION:Never expose plastic front or grille to extreme temperatures.

Assemble Curtain/Top Rail
NOTE:Attach curtains to the air conditioner before placing the air conditioner in window.
1.Install top rail with four 13/32″ screws. 2.Slide left-hand curtain assembly into left end of top and bottom rails. Repeat for right-hand curtain assembly. 3.14500-18000 BTU:Fasten curtain retainer strips to the sides of the outer case with eight 13/32″ screws. 24000 BTU:Fasten curtain retainer strips to the sides of the outer case with six 13/32″ screws.

AB
C D A. Top channel C. 13/32″ screws B.13/32″ screws D. Side curtains

Prepare the Window for Installation

1. Measure the width of the window opening. 2. Mark the center line on the inside windowsill.
A. Width of window opening B. Center line
Positioning the Air Conditioner

A B

NOTES: Handle the air conditioner gently. Be sure your air conditioner does not fall out of the opening during installation or removal. The place where the power cord exits the air conditioner should be no more than 4 ft (122 cm) from a grounded outlet.
Do not block the louvers in the front panel.
Do not block the louvers on the outside of the air conditioner.

B
A C
A. Side curtain against window channel B. Window sash behind top channel C. Bottom channel in behind windowsill NOTE: Your model may differ from the one shown.

Install Outer Case in Window
1.Place outer case in window. Lower sash until it rests behind front flange of top rail.Bottom rail must rest behind window sill.

NOTE: To make screws easier to drive, drill a pilot hole into the sash through clearance hole in curtains. NOTE: Tilt the outer case about 1/2″ down towards the outside for proper condensate water drainage.
5.Install left&right installation bracket and as shown in fig.Install bolt(2-1/2″ long flat head bolt and locknut) to the installation bracket and adjust them to proper length,then use 6(13/32″)screws to fix the bracket on the case.

2.Expand both curtains to contact the window frame. Install four wood screws 31/32”. Two in each upper right and left of the curtains.
3.24000 BTU: Install three wood screws 31/32″ in the top mounting channel.

3.24000 BTU: Install three wood screws 31/32″ in

the top mounting channel.

6.Use a wood block between the leveling bolts and

4.Use three wood screw 31/32″ to fix the case to windows the wall if the wall is weak or if the weight of the air

sash.
14500-18000 BTU:

conditioner falls between the studs in the wall.

24000 BTU:

Completing the Installation
1.Insert the foam seal behind the top of the lower window sash and against the glass of the upper window.
A
B

A. Top of lower window sash B. Foam seal

2.Place the window lock bracket as shown. Use a 1/8″ drill bit to drill a starter hole through the hole in Note:For security purposes, reinstall screws the window lock bracket and into the upper window. at cabinet’s sides, removed at the beginning.

3.Attach the window lock bracket to the upper

IMPORTANT:Because the window sash helps

window with one 31/32″ screw to secure the window keep the unit in window, make certain the

in place.

window sash contacts the outer case before

reinstalling the chassis.

Return Chassis to the Outer Case

1.Plug into a grounded 3 prong outlet. 2.Press RESET on the power supply cord. See “Electrical Requirements.”

Find someone to help you replace the chassis in outer case.Replace front panel and grille.

REMOTE CONTROLLER
POWER
Operation starts when this button is pressed and stops when you press the button again.
FAN SPEED SELECTOR
For increased power while cooling,select a higher fan speed. 3 steps:High Med Low.
ON/OFF TIMER
a. Press TIMER.Timer OFF indicator light will flash .Display will show remaining hours before the air conditioner will turn off. b. Press the TEMP/TIME up or down arrow button to change the delay time from 1 hour to 24 hours. c. After 5 seconds, Timer OFF indicator light will remain on.Display will show the current room temperature.
OPERATION MODE SELECTOR
a. Press MODE until you see the indicator light glow for the desired setting. b. Choose Fan, Cool, Energy Saver or Dehum.
Fan–Only the fan runs. Press SPEED to select High, Med or Low fan speed. The display shows the current room temperature. Cool–Cools the room. Press SPEED to select High, Med or Low fan speed. Press the TEMP/TIME up or down arrow button to adjust the temperature. Energy Saver–Fan runs only when cooling is needed.Press SPEED to select High, Med or Low fan speed.Because the fan does not circulate the room air continuously, less energy is used, but the room air is not circulated as often. Dehum–Dries the room. The air conditioner automatically selects the temperature. Fan runs on Low speed only.

TEMPERATURE CONTROL
Press the TEMP/TIME up arrow button to raise the temperature. Each time you press or hold the TEMP/TIME uparrow button, the temperature will go up 1ºF until it reaches 86°F (30°C).
Press the TEMP/TIME down arrow button to lower the temperature. Each time you press or hold the TEMP/TIME down arrow button, the temperature will go down 1ºF until it reaches 61°F (16°C).
REMOTE CONTROL SENSOR
CAUTION
The Remote Controller will not function properly if strong light strikes the sensor window of the air conditioner or if there are obstacles between the Remote Controller and the air conditioner. NOTE: One CR2025 battery (included) powers the remote control. Replace battery after 6 months of use, or when the remote control starts to lose power.
Power
Press ON/OFF to turn on the air conditioner.
Mode
Press MODE to choose Fan, Cool,Energy saver or Dehum.
Speed
Press SPEED to choose High, Med or Low.
Temperature
Press the TEMP/TIME up arrow button to raise the temperature. Each time you press or hold the TEMP/TIME up arrow button, the temperature will go up 1ºF until it reaches 86°F (30°C). Press the TEMP/TIME down arrow button to lower the temperature. Each time you press or hold the TEMP/TIME down arrow button, the temperature will go down 1ºF until it reaches 61°F (16°C).

Timer
To set the Timer for a 1-hour to 24-hour delay before the air conditioner is turned off (the air conditioner must be On):
1. Press TIMER. TLPHU2))LQGLFDWRUOLJKWRQWKHDLUFRQGLWLRQHUFRQWUROSDQHOZLOOÀDVK 2. Press the TEMP/TIME up or down arrow button to change the delay time from 1 hour
to 24 hours.
3. After 5 seconds, Timer OFF indicator light on the air conditioner control panel will remain on.
To set Timer to turn on the air conditioner, keeping previous settings:
1. Turn on the air conditioner.
Press TIMER. TLPHU2QLQGLFDWRUOLJKWRQWKHDLUFRQGLWLRQHUFRQWUROSDQHOZLOOÀDVK Press the TEMP/TIME up or down arrow button to change the delay time from 1 hour to 24 hours.
After 5 seconds, Timer On indicator light on the air conditioner control panel will remain on.
To set Timer to turn on the air conditioner, changing the previous settings:
1. Turn on the air conditioner. 2. Adjust the mode to Fan or Cool.
3. For Fan, Cool or Energy Saver mode, adjust the fan speed to High, Med or Low.
4. Adjust the temperature between 61ºF and 86ºF (16ºC and 30ºC). NOTE: In Fan mode, the temperature cannot be set.
5. Press TIMER. Timer On indicator light on the air conditioner before the air conditioner will turn on.
6. Press the TEMP/TIME up or down arrow button to change the delay time from 1 hour to 24 hours. 7. Timer On indicator light on the air conditioner control panel will remain on.
To clear Timer delay program:
NOTE: Air conditioner can be either on or off.
1. Press TIMER once after it has been programmed. Display on the air conditioner control panel will show remaining time.
2. While the display is showing the remaining time, press TIMER untill Timer indicator light turns off.
To see or change the remaining time (in hours):
Timer Off : 1. Press TEMP/TIME once after it has been programmed.Display on the air conditioner control panel
will show remaining time. 2. While the display is showing the remaining time, press the TEMP/TIME up or down arrow button
to increase or decrease the time. 3. After 5 seconds, the display on the air conditioner control panel will show the current room
temperature. Timer On : 1. Display on the air conditioner control panel will show remaining time. 2. While the display is showing the remaining time, press the TEMP/TIME up or down arrow button to
increase or decrease the time.

4-Way Air Flow:The air directional louvers let you control the direction of the airflow to the desired direction .The airflow can be directed up-down ,left-right.
Vent:The fresh air vent allows the air conditioner to recirculate inside air,draw fresh air into the room and exhaust stale air to the outside.

14500-18000 BTU:

24000 BTU:

4-way Air Flow The Fresh air vent

4-way Air Flow The Fresh air vent

Normal Sounds
When your air conditioner is operating normally, you may hear sounds such as: Droplets of water hitting the condenser, causing a pinging or clicking sound. The water droplets help cool the condenser. Air movement from the fan. Clicks from the thermostat cycle. Vibrations or noise due to poor wall or window construction. A high-pitched hum or pulsating noise caused by the modern

Your new air conditioner is designed to give you many years of dependable service. This section tells you how to clean and care for your air conditioner properly.
Cleaning the Air Filter

filter helps remove dust, lint, and other particles from the air and is important for best cooling and operating efficiency.Check the filter every 2 weeks to see whether it needs cleaning.
Note:Do not operate the air conditioner without the filter in place. 1. Turn off the air conditioner. 2. Remove the air filter by opening the front panel and removing the air filter.
filter is very dirty, wash it in warm water with a mild detergent. Do not wash the air filter in the

B A
B. Front panel

5. Close the front panel. 6. Turn on the air conditioner.
Cleaning the Front Panel
1. Turn off the air conditioner. 2. Clean the front panel with a soft, damp cloth. 3. Air dry the front panel completely. 4. Turn on the air conditioner.
Annual Maintenance
Your air conditioner needs annual maintenance to help ensure steady, top performance throughout the year. Call your local authorized dealer to schedule an annual checkup. The expense of an annual inspection is your responsibility.

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References

• Repair Your Grill: Shop Replacement Parts for 24,880 Models
• Lg Air Conditioner Parts - Select From 2329 Models

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