ARUN180BTE4 - Air conditioner LG - Free user manual and instructions
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| Product Type | Split Air Conditioner |
| Model | ARUN180BTE4 |
| Brand | LG |
| Cooling Capacity | 18,000 BTU/h |
| Heating Capacity | 18,000 BTU/h (Heat Pump) |
| Power Supply | 208-230V, 60Hz, 1 Phase |
| Refrigerant | R32 |
| Indoor Unit Dimensions (WxDxH) | 39.4 x 11.2 x 13.4 in |
| Outdoor Unit Dimensions (WxDxH) | 36.6 x 15.0 x 28.5 in |
| Indoor Unit Weight | 33.1 lbs |
| Outdoor Unit Weight | 77.2 lbs |
| Energy Efficiency Ratio (EER) | 12.0 |
| Seasonal Energy Efficiency Ratio (SEER) | 18.0 |
| Sound Pressure Level (Indoor) | 21-44 dB(A) |
| Sound Pressure Level (Outdoor) | 49-55 dB(A) |
| Airflow Rate (Cooling) | 500-700 CFM |
| Compressor Type | Inverter Rotary |
| Filter | Washable, Anti-Bacteria |
| Control | Remote Control, Wi-Fi (Optional) |
| Maintenance | Clean filters every 2 weeks; outdoor coil annually |
| Safety Features | Auto Restart, Overload Protection, Self-Diagnosis |
| Warranty | 10 Years Compressor, 1 Year Parts |
| Repairability | Modular design; error codes on display |
Frequently Asked Questions - ARUN180BTE4 LG
How often should I clean the air conditioner filters?
Clean the filters every 2 weeks under normal use. More frequently in dusty environments. Dirty filters reduce efficiency and can cause freezing.
What refrigerant does the LG ARUN180BTE4 use?
It uses R32 refrigerant, which is more environmentally friendly and has lower global warming potential compared to R410A.
Can this unit be used for heating?
Yes, the ARUN180BTE4 is a heat pump model, providing both cooling and heating down to outdoor temperatures of approximately 14°F (-10°C).
Does the air conditioner have a Wi-Fi feature?
Wi-Fi connectivity is optional. You can purchase a separate LG Wi-Fi kit (PN: PWAKWAC1) to enable remote control via the LG ThinQ app.
What is the recommended room size for this unit?
With 18,000 BTU/h, it is suitable for rooms 800-1,100 sq ft depending on insulation, ceiling height, and local climate.
How do I reset the error code on the display?
Press and hold the ON/OFF button on the remote for 5 seconds to reset. If the error persists, refer to the manual or contact a service technician.
Is professional installation required?
Yes, professional installation is strongly recommended to ensure proper refrigerant charge, electrical connections, and drainage. Improper installation voids warranty.
What are the dimensions of the indoor unit?
The indoor unit measures 39.4 x 11.2 x 13.4 inches (WxDxH). Make sure there is at least 6 inches clearance around it.
How do I clean the outdoor unit?
Turn off the power and gently rinse the coil fins with a garden hose from the inside out. Do not use a pressure washer or chemicals. Perform this annually.
Does the warranty cover the compressor?
Yes, the compressor is covered by a 10-year limited warranty. Other parts are covered for 1 year. Registration may be required.
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