A12LHU - Air conditioner LG - Free user manual and instructions
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| Type de produit | Split system air conditioner |
| Brand | LG |
| Model | A12LHU |
| Cooling capacity | 12,000 BTU/h (3.5 kW) |
| Power supply | 230 V / 50 Hz |
| Indoor unit dimensions (W x H x D) | 790 x 276 x 190 mm |
| Outdoor unit dimensions (W x H x D) | 700 x 550 x 245 mm |
| Indoor unit weight | 8.5 kg |
| Outdoor unit weight | 27 kg |
| Refrigerant | R32 |
| Energy efficiency class | A+ |
| Operating modes | Cooling, dehumidification, fan, sleep, auto |
| Air flow speed | 3 speeds + auto |
| Air flow volume (high) | 7.5 m³/min |
| Noise level (indoor) | 35 - 45 dB(A) |
| Noise level (outdoor) | 55 - 65 dB(A) |
| Timer | 24-hour programmable |
| Remote control | Included with LED display |
| Filter | Washable anti-bacterial filter |
| Maintenance | Clean air filter every 2 weeks |
| Safety features | Auto restart, overheat protection, child lock |
| Spare parts & repairability | Remote control, fan motor, compressor, PCB available |
Frequently Asked Questions - A12LHU LG
How do I clean the air filter on my LG A12LHU?
Turn off the unit and unplug it. Open the front panel, pull out the air filter, and wash it with warm soapy water. Let it dry completely before reinstalling. Clean the filter every 2 weeks for optimal performance.
What is the cooling capacity of the LG A12LHU?
The LG A12LHU has a cooling capacity of 12,000 BTU/h (3.5 kW), suitable for rooms up to about 30–40 m² depending on insulation and sunlight.
Can the LG A12LHU be used for heating?
No, the A12LHU is a cooling-only air conditioner. It provides cooling, dehumidification, and fan modes, but does not have a heat pump.
How do I set the 24-hour timer on the remote control?
Press the TIMER button on the remote control. Use the +/- buttons to set the desired hour (0–24). Press SET to confirm. The air conditioner will automatically turn on/off at the scheduled time.
What does error code 21 mean on the LG A12LHU?
Error code 21 typically indicates a sensor fault (e.g., indoor or outdoor temperature sensor). Check if the sensors are clean and properly connected. If the error persists, contact LG service center.
What type of refrigerant does the LG A12LHU use?
The unit uses R32 refrigerant, which is more environmentally friendly than older types like R22. R32 is efficient and has a lower global warming potential.
Can I install the LG A12LHU myself?
Installation should be performed by a certified professional to ensure proper refrigerant handling, electrical connections, and drainage. Incorrect installation may void the warranty and cause hazards.
How can I reduce energy consumption with this air conditioner?
Set the thermostat to a moderate temperature (24–26°C), use the sleep mode at night, close windows and curtains during sunny hours, and clean the filters regularly. The unit has A+ energy class for efficient operation.
What is the voltage requirement for the LG A12LHU?
The LG A12LHU operates on a standard 230 V / 50 Hz single-phase power supply. Ensure the electrical circuit is rated for 10 A and has proper grounding.
How do I reset the LG A12LHU air conditioner?
Unplug the unit from the power outlet and wait 5 minutes. Plug it back in and press the RESET button on the remote control. This clears minor electronic glitches and restores default settings.
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USER MANUAL A12LHU LG
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Product information
Brand : LG
Model : A12LHU
Category : Air conditioner