LSN12T1AB1 - Air-conditioner LG - Free user manual and instructions
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| Product Type | Split System Air Conditioner |
| Model | LSN12T1AB1 |
| Cooling Capacity | 12,000 BTU/h (3.5 kW) |
| Heating Capacity | 12,000 BTU/h (3.5 kW) |
| Energy Efficiency Ratio (EER) | 11.5 |
| SEER | 16.0 |
| Power Supply | 220-240V ~ 50Hz |
| Refrigerant | R32 |
| Indoor Unit Dimensions (WxHxD) | 837 x 290 x 192 mm |
| Outdoor Unit Dimensions (WxHxD) | 700 x 530 x 230 mm |
| Indoor Unit Weight | 9.5 kg |
| Outdoor Unit Weight | 25.5 kg |
| Airflow Volume (High) | 480 m³/h |
| Noise Level (Indoor) | 32-44 dB(A) |
| Noise Level (Outdoor) | 52 dB(A) |
| Functions | Cool, Heat, Fan, Dehumidify, Auto, Sleep |
| Filter Type | Washable, Antibacterial |
| Remote Control | Included |
| Timer | 24-hour On/Off |
| Air Direction Control | Auto swing (up/down), manual (left/right) |
| Self Diagnosis | Yes (LED display) |
| Pipe Connection | Liquid: 1/4 inch, Gas: 3/8 inch |
| Max Pipe Length | 15 m |
Frequently Asked Questions - LSN12T1AB1 LG
How do I clean the air filter?
Turn off the unit, open the front panel, remove the filter, and wash it with mild detergent and water. Let it dry completely before reinstalling. Clean every 2 weeks for optimal performance.
What does error code 'E1' mean?
Error code E1 indicates a thermistor sensor failure. Please contact LG service center for repair.
Can I use an extension cord?
No, do not use an extension cord. Plug the unit directly into a dedicated power outlet to avoid fire hazard.
How to use the timer function?
Press the Timer button on the remote. Use +/- to set the desired On or Off time. Confirm by pressing the Timer button again.
What is the recommended temperature setting for cooling?
For energy savings, set the thermostat to 24-26°C (75-78°F) in cooling mode.
How do I switch between F° and C°?
On the remote control, press and hold the Temp button for 5 seconds to toggle between Celsius and Fahrenheit.
Is professional installation required?
Yes, this unit must be installed by a qualified technician to ensure proper refrigerant handling and electrical safety.
What type of refrigerant does this unit use?
This unit uses R32 refrigerant, which is more environmentally friendly than R410A.
How do I replace the remote control batteries?
Slide the back cover off, remove old batteries, insert two new AAA batteries with correct polarity, and replace the cover.
Why is the unit not cooling properly?
Check if the air filter is dirty, ensure windows and doors are closed, and verify the set temperature is lower than room temperature. If problem persists, call service.
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