Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Drill with hole saw attachment
- Tape measure
- Caulking gun
Step-by-Step Installation
- Choose Installation Location: Select a location near an electrical outlet on an exterior wall, ensuring proper clearance from obstructions.
- Prepare Window Opening: Measure and prepare the window opening according to the unit's dimensions, ensuring a secure fit.
- Install Mounting Brackets: Secure the mounting brackets to the window sill or wall as specified in the installation manual.
- Place Air Conditioner: Carefully lift and place the air conditioner unit into the prepared opening, ensuring it sits level and secure.
- Seal Gaps: Use the provided foam seals or weather stripping to seal any gaps between the unit and window frame to prevent air leaks.
- Electrical Connection: Connect to a properly grounded 115V, 60Hz, 15A dedicated circuit. Do not use an extension cord.
- Test Operation: Turn on the unit and test all functions including cooling, fan speeds, and thermostat operation.
Specifications
| Model Series | LW1216HR |
| Type | Window Air Conditioner |
| Color | White |
| Cooling Capacity | 12000 BTU |
| Room Coverage | Up to 550 sq. ft. |
| Noise Level | 52 dB |
| Control Type | Digital Controls with Remote |
| Energy Rating | Energy Star Certified |
| Energy Efficiency Ratio (EER) | 12.1 |
| Power Requirements | 115V, 60Hz, 15A |
| Dimensions (HxWxD) | 15.5 x 23.6 x 21.8 inches |
| Weight | 78.3 lbs |
| Refrigerant | R-410A |
Warranty Information
- Full Warranty: 1 year parts and labor
- Compressor Warranty: 5 years on sealed system
- Additional Coverage: Optional extended warranty available
For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com
Key Features
Dual Inverter Compressor
LG's innovative Dual Inverter Compressor provides faster cooling, quieter operation, and greater energy efficiency compared to conventional compressors.
Energy Star Certified
Meets strict energy efficiency guidelines set by the EPA, saving you money on energy bills while reducing environmental impact.
Auto Restart
Automatically resumes operation with previous settings after a power outage, ensuring continuous comfort without manual intervention.
24-Hour Timer
Program the unit to turn on or off at specific times, helping to save energy and ensure your room is comfortable when you need it.
4-Way Air Deflection
Adjustable louvers allow you to direct airflow in four different directions for optimal air distribution throughout the room.
Sleep Mode
Gradually adjusts temperature throughout the night for optimal sleeping conditions while reducing noise and energy consumption.
Operating Modes Explained
Cool Mode
Standard cooling operation with adjustable temperature settings from 64°F to 86°F
Energy Saver
Automatically turns fan off when cooling cycle completes to save energy
Fan Only
Circulates air without cooling, available in multiple speed settings
Auto Mode
Automatically selects cooling or fan operation based on room temperature
Dry Mode
Reduces humidity in the room for added comfort during humid conditions
Turbo Cool
Maximum cooling power for quick temperature reduction in hot conditions
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Air conditioner won't start | Power issue, circuit breaker tripped, timer set | Check power supply, reset circuit breaker, check timer settings |
| Poor cooling performance | Dirty filter, blocked airflow, low refrigerant | Clean air filter, clear obstructions, contact service technician |
| Water leaking inside room | Unit not tilted properly, drain hole blocked | Ensure proper outward tilt, clear drain hole |
| Unusual noises | Loose parts, debris in fan, vibration | Tighten mounting hardware, clear debris, check installation |
| Unit cycles on and off frequently | Dirty filter, thermostat location, oversized unit | Clean filter, relocate thermostat if near heat source |
| Frozen coils | Dirty filter, low refrigerant, restricted airflow | Clean filter, contact service technician, ensure proper airflow |
Error Codes
- CH/CH1: Temperature sensor error - Check sensor connections
- E1/E2: Room temperature sensor error - Contact service center
- F1/F2: Coil temperature sensor error - Contact service center
- LC: Communication error - Check remote control batteries
- PF: Power failure - Unit will resume when power returns
- FF/FP: Filter check - Clean or replace air filter
Manual Downloads
Current Model Manuals
LW1216HR
12000 BTU Window AC
LW1017ERSM
10000 BTU Smart AC
LW1517IVSM
15000 BTU Inverter AC
LW8017ERSM
8000 BTU Energy Star AC
Popular Previous Models
LW1210ER
12000 BTU Window AC
LW1016ER
10000 BTU Window AC
LW8016ER
8000 BTU Window AC
LW6017R
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