S3NM24K21ZA - Air-conditioner LG - Free user manual and instructions
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| Product Type | Split Air Conditioner |
| Brand | LG |
| Model | S3NM24K21ZA |
| Cooling Capacity (BTU/h) | 24000 |
| Heating Capacity (BTU/h) | 26000 |
| Power Supply | 230V / 50Hz / 1Ph |
| Refrigerant | R32 |
| Indoor Unit Dimensions (WxHxD) | 998 x 345 x 210 mm |
| Outdoor Unit Dimensions (WxHxD) | 870 x 655 x 320 mm |
| Indoor Unit Weight | 13.5 kg |
| Outdoor Unit Weight | 35 kg |
| Energy Efficiency Ratio (EER) | 3.2 W/W |
| Seasonal Energy Efficiency Ratio (SEER) | 6.1 |
| Noise Level Indoor (Low/High) | 25 / 45 dB(A) |
| Noise Level Outdoor | 52 dB(A) |
| Filter Type | Washable Anti-Bacterial Filter |
| Special Features | Auto Restart, Self Diagnosis, Sleep Mode |
| Maintenance | Clean filter every 2 weeks; professional service every year |
Frequently Asked Questions - S3NM24K21ZA LG
How often should I clean the air filter?
Clean the air filter every two weeks during regular use. A clogged filter reduces efficiency and can cause freezing.
What type of refrigerant does this model use?
This unit uses R32 refrigerant, which is more environmentally friendly than R410A. Ensure repairs are done by certified technicians.
Can I use the air conditioner when the outside temperature is very low?
Yes, this model can operate in cooling mode down to -5°C and in heating mode down to -15°C, but heating capacity may decrease.
Why is my unit not cooling properly?
Check if the air filter is dirty, the thermostat is set correctly, and the outdoor unit has proper airflow. Also ensure the room is not too large for the capacity.
How do I reset the remote control?
Remove the batteries from the remote, wait 10 seconds, then reinsert them. If the issue persists, replace the batteries with new ones.
What does the 'Sleep Mode' do?
Sleep mode gradually adjusts the temperature to be more comfortable during sleep, and reduces fan speed to operate quietly. It also saves energy.
How do I activate the self-diagnosis feature?
Press the Self Diagnosis button on the remote control. The indoor unit will display error codes that you can look up in the manual.
Can I install the outdoor unit in a partially enclosed space?
No, the outdoor unit requires good ventilation. Place it in an open area with at least 50 cm clearance on all sides to avoid overheating.
What is the recommended temperature setting for energy saving?
For cooling, set the thermostat between 24-26°C. For heating, set it between 20-22°C. Each degree adjustment saves about 6% energy.
How do I clean the outdoor unit?
Turn off the unit and disconnect power. Gently spray water from a hose to remove dust and debris from the coils and fins. Avoid using high pressure.
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