S4NQ12JA3AA - Air Conditioning LG - Free user manual and instructions
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| Product Type | Split Air Conditioner |
| Model | S4NQ12JA3AA |
| Brand | LG |
| Cooling Capacity | 12000 BTU/h (approx. 3.5 kW) |
| Power Supply | 220-240 V, 50 Hz, 1 Phase |
| Refrigerant | R32 |
| Indoor Unit Dimensions (WxHxD) | 837 x 308 x 189 mm |
| Outdoor Unit Dimensions (WxHxD) | 770 x 545 x 288 mm |
| Indoor Unit Weight | 10.5 kg |
| Outdoor Unit Weight | 29.5 kg |
| Noise Level (Indoor) | 34 - 40 dB(A) |
| Noise Level (Outdoor) | 50 dB(A) |
| Airflow | 420 m³/h |
| Energy Efficiency Ratio (EER) | 3.5 W/W |
| Seasonal Energy Efficiency Ratio (SEER) | 6.0 |
| Timer | Yes (On/Off) |
| Remote Control | Included |
| Auto Restart | Yes |
| Filter | Washable, Antibacterial |
| Self Diagnosis | Yes (Error codes) |
| Sleep Mode | Yes |
| Turbo Mode | Yes |
| Anti-Corrosion Coating | Yes (Outdoor unit) |
| Operating Temperature Range (Cooling) | 16°C to 43°C |
| Warranty | 1 year (parts and labor) |
Frequently Asked Questions - S4NQ12JA3AA LG
How do I clean the air filter?
Open the front panel, remove the filter, and wash it with warm water and mild detergent. Allow it to dry completely before reinstalling. Clean every 2 weeks for optimal performance.
What does error code 'CH' mean?
Error code 'CH' indicates a communication error between indoor and outdoor units. Turn off the unit, wait 5 minutes, and restart. If it persists, contact a technician.
How do I use the remote control to set the timer?
Press the TIMER button repeatedly to select On or Off timer. Use the +/- buttons to set the desired time (0.5 to 24 hours). Press SET to confirm.
What is the recommended cooling temperature?
For energy efficiency and comfort, set the thermostat between 24°C and 26°C (75°F-79°F). Lower temperatures increase power consumption.
Why is my air conditioner not cooling?
Check if the filter is dirty, the thermostat is set correctly, and the outdoor unit is not obstructed. Also ensure the mode is set to Cool and not Fan. If the problem persists, call a service professional.
How do I reset the air conditioner?
Unplug the unit from the power outlet, wait 5 minutes, and plug it back in. Alternatively, press the RESET button on the remote (if available) or inside the front panel.
Can I use an extension cord?
No, do not use an extension cord. Plug the air conditioner directly into a dedicated electrical outlet rated for the unit's amperage to avoid fire hazards.
How do I adjust the airflow direction?
Use the remote control's swing button to automatically move the louvers up and down. Manually adjust the horizontal vanes on the indoor unit for left/right airflow.
How often should I service the air conditioner?
Perform basic maintenance (filter cleaning) every 2 weeks. A professional annual service is recommended to check refrigerant levels, electrical connections, and clean the coils.
What does 'Turbo Mode' do?
Turbo Mode runs the compressor at maximum speed to quickly reach the set temperature. It automatically turns off after 30 minutes or when the temperature is reached.
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