AS-W126RLG1 - Air Conditioning LG - Free user manual and instructions
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| Product Type | Split Air Conditioner (Wall Mount) |
| Brand | LG |
| Model | AS-W126RLG1 |
| Cooling Capacity | 12,000 BTU/h (approx. 3.5 kW) |
| Refrigerant Type | R32 |
| Power Supply | 220-240V, 50Hz, Single Phase |
| Indoor Unit Dimensions (W x H x D) | 870 x 282 x 210 mm |
| Indoor Unit Weight | 10.5 kg |
| Outdoor Unit Dimensions (W x H x D) | 770 x 545 x 288 mm |
| Outdoor Unit Weight | 28.5 kg |
| Energy Efficiency (EER) | 3.2 W/W (Class A) |
| Operating Modes | Cool, Heat (Heat Pump), Fan, Dry (Dehumidify) |
| Fan Speeds | 3 speeds (Low, Medium, High) + Auto |
| Air Filter | Washable antibacterial filter |
| Airflow Direction | 4-way auto swing (vertical/horizontal) |
| Noise Level (Indoor) | 38 dB(A) (low) – 45 dB(A) (high) |
| Noise Level (Outdoor) | 52 dB(A) |
| Timer Function | 24-hour on/off timer |
| Remote Control | Included (infrared) |
| Self-Diagnosis | Auto error code display on indoor unit |
Frequently Asked Questions - AS-W126RLG1 LG
How do I clean the air filter on my LG AS-W126RLG1?
Turn off and unplug the unit. Open the front panel, remove the filter, and wash it with warm water and mild soap. Dry completely before reinstalling. Clean every 2 weeks for optimal performance.
Why is my AC not cooling properly?
Check if the air filter is dirty and clean it. Ensure the thermostat temperature is set lower than room temperature. Verify that all doors and windows are closed. Also, check that the outdoor unit is not blocked by debris. If the issue persists, contact LG authorized service.
How to set the timer for auto on/off?
Press the Timer button on the remote until the desired mode (On or Off) flashes. Use the +/- buttons to set the time (in hours). Wait 5 seconds to confirm. The display will show the remaining time.
What does error code 'E1' mean?
Error code E1 indicates a communication failure between the indoor and outdoor units. This usually requires professional diagnosis. Turn off the unit, wait 30 minutes, and restart. If the error reappears, call a technician.
How to operate the remote control?
Insert two AAA batteries (included) with correct polarity. Aim the remote at the indoor unit. Use Mode to select Cool/Heat/Fan/Dry, Fan for speed, and Temp to adjust temperature. The remote has a range of about 7 meters.
Can I install the air conditioner myself?
No, installation of a split air conditioner requires professional skills (refrigerant handling, electrical work, and structural mounting). Always hire a licensed HVAC technician to ensure safety and warranty compliance.
How often should I service the unit?
Clean the air filter every 2 weeks. Have a professional perform a thorough inspection and cleaning of coils, drainage, and refrigerant levels at least once a year before peak usage season.
What type of refrigerant does the AS-W126RLG1 use?
This model uses R32 refrigerant, which is more environmentally friendly than older R410A. R32 has lower global warming potential and is highly efficient. Only certified technicians should handle refrigerant.
Why is water leaking from the indoor unit?
Water leaks often occur due to a clogged drain pipe or improperly installed drainage. Check if the drain hose is blocked or bent. Clean the drain pan and pipe. If the problem persists, call a professional.
How to switch between cooling and heating?
Press the Mode button on the remote until the desired icon appears: ❄️ for cooling, ☀️ for heating (heat pump models only), for dry mode, or for fan. The unit will start in the selected mode after a few seconds.
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