ATNQ40GNLA4 - Air Conditioning LG - Free user manual and instructions
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| Product Type | Split Air Conditioner |
| Model | ATNQ40GNLA4 |
| Brand | LG |
| Cooling Capacity | 4.0 kW (13,650 BTU/h) |
| Heating Capacity | 4.5 kW (15,350 BTU/h) |
| Indoor Unit Dimensions (WxHxD) | 900 x 300 x 215 mm |
| Outdoor Unit Dimensions (WxHxD) | 770 x 545 x 288 mm |
| Indoor Unit Weight | 11.5 kg |
| Outdoor Unit Weight | 33.0 kg |
| Power Supply | 230 V, 50 Hz, Single Phase |
| Refrigerant | R32 |
| Energy Efficiency Ratio (EER) | 3.2 (Cooling) |
| Functions | Cooling, Heating, Dehumidification, Fan, Auto, Sleep Mode, Jet Cool |
| Indoor Noise Level (Low/High) | 25 dB(A) / 40 dB(A) |
| Outdoor Noise Level | 50 dB(A) |
| Filter Type | Washable Air Filter (Antibacterial) |
| Maintenance | Clean filter every 2 weeks; professional service recommended annually |
| Safety Features | Auto Restart, Overheat Protection, Surge Protection |
| Warranty | 2 years (parts and labor) |
| Included Accessories | Remote Controller, Batteries, Installation Template, User Manual |
Frequently Asked Questions - ATNQ40GNLA4 LG
How often should I clean the filter?
Clean the air filter every two weeks to maintain efficiency. Use a vacuum or wash with mild detergent and dry thoroughly before reinstalling.
What does the Jet Cool function do?
Jet Cool rapidly lowers the temperature by operating at maximum fan speed and compressor output until the desired temperature is reached. It is ideal for quick cooling.
Why is my air conditioner not turning on?
Check the power supply and circuit breaker. Ensure the remote has fresh batteries and is pointed at the unit. If the problem persists, contact a professional.
What is the recommended temperature setting for energy savings?
For cooling, set to 24°C (75°F) or higher. For heating, set to 20°C (68°F) or lower. Use the Energy Save mode if available.
Can I install the indoor unit myself?
Installation should be performed by a qualified professional to ensure proper refrigerant handling, drainage, and electrical connections. Improper installation may void the warranty.
What does the auto restart function do?
If power is interrupted, the unit will automatically resume operation with the previous settings once power is restored. This prevents manual re-setting after outages.
How do I use the timer function?
Press the Timer button on the remote and set the desired ON or OFF time using the arrow keys. The unit will start or stop automatically at the programmed time.
What type of refrigerant is used and is it environmentally friendly?
The unit uses R32 refrigerant, which has lower global warming potential (GWP) compared to older refrigerants like R22. It is more energy efficient and eco-friendly.
Why is water leaking from the indoor unit?
Possible causes include a clogged condensate drain, dirty filter, or improper installation. Clean the filter and check the drain line. If the issue continues, call a service technician.
How do I pair the remote control with the unit?
The remote comes pre-paired. If replacement is needed, insert batteries and point the remote at the unit. Press the Power button; the unit should respond. No pairing is required.
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USER MANUAL ATNQ40GNLA4 LG
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Product information
Brand : LG
Model : ATNQ40GNLA4
Category : Air Conditioning