JRNU54GBRA4 - Air-conditioner LG - Free user manual and instructions
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| Brand | LG |
| Model | JRNU54GBRA4 |
| Product Type | Split Air Conditioner |
| Cooling Capacity (kW) | 2.5 kW (approx.) |
| Heating Capacity (kW) | 3.0 kW (approx.) |
| Energy Efficiency Class | A++ (estimated) |
| Refrigerant | R32 |
| Indoor Unit Dimensions (W x H x D) | 850 x 300 x 200 mm |
| Outdoor Unit Dimensions (W x H x D) | 700 x 500 x 300 mm |
| Indoor Unit Weight | 10 kg |
| Outdoor Unit Weight | 30 kg |
| Power Supply | 220-240 V, 50 Hz |
| Operating Modes | Cool, Heat, Fan, Dehumidify, Auto |
| Remote Control | Included |
| Timer | 24-hour on/off timer |
| Air Filter | Washable, clean every 2 weeks |
| Special Functions | Sleep mode, Jet Cool, Auto Restart |
| Installation | Professional installation required |
| Maintenance | Clean filter regularly; annual professional check |
| Safety | Use dedicated circuit; do not block airflow |
| Spare Parts | Contact LG service center |
Frequently Asked Questions - JRNU54GBRA4 LG
How often should I clean the air filter?
Clean the air filter every two weeks to maintain efficiency. More often in dusty conditions.
What do the error codes on the display mean?
Error codes indicate specific faults. Refer to the manual for a full list, or contact LG support.
Can I install the air conditioner myself?
No, professional installation is required due to electrical and refrigerant handling.
How do I use the timer function?
Press the Timer button on the remote to set an on/off time within 24 hours. Follow the instructions.
What is the recommended temperature setting?
For cooling, set to 24-26°C; for heating, 20-22°C. This saves energy.
Why is the unit not cooling properly?
Check if the filter is dirty, the set temperature is correct, and windows/doors are closed. If issue persists, call LG service.
How do I reset the air conditioner?
Unplug the unit, wait 5 minutes, and plug it back in. This resets the control board.
What is the warranty period?
Standard warranty is 2 years for parts and labor. Check your purchase documents.
Can I use the air conditioner in very cold weather?
This model can operate in low temperatures down to -10°C for heating, but performance may reduce.
How do I clean the outdoor unit?
Do not open the unit. Gently rinse the fins with water from a safe distance. Turn off power first.
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