ARNU283M2A4 - Air Conditioning LG - Free user manual and instructions
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| Product Type | Ceiling Cassette Indoor Unit |
| Brand | LG |
| Model | ARNU283M2A4 |
| Cooling Capacity | 28,000 BTU/h (8.2 kW) |
| Heating Capacity | Not applicable (cooling only) or Heat pump capable (verify model variant) |
| Dimensions (W x D x H) | 840 x 840 x 240 mm |
| Weight | 28 kg |
| Power Supply | 220-240 V, 50/60 Hz, Single Phase |
| Refrigerant | R410A |
| Airflow (High/Low) | 35 / 28 m³/min |
| Sound Level (Indoor) | 35 dB(A) (Low), 42 dB(A) (High) |
| Key Functions | Auto swing, Timer, Sleep mode, Turbo cooling, Remote control |
| Filter Type | Washable mesh filter |
| Maintenance | Clean air filter every 2 weeks; professional inspection annually |
| Safety Features | Auto restart, Overcurrent protection, Compressor delay |
| Reparability | Use only genuine LG spare parts; refer to service manual |
| Installation | Requires ceiling installation by qualified technician; drain pump optional |
Frequently Asked Questions - ARNU283M2A4 LG
What is the cooling capacity of the LG ARNU283M2A4?
The cooling capacity is 28,000 BTU/h (approximately 8.2 kW), suitable for large rooms or open areas.
Does this unit have a heating mode?
The ARNU283M2A4 is a cooling-only indoor unit. For heating, match with a heat pump outdoor unit (e.g., LG ARNU28GM2A4). Check your system's outdoor model.
What are the dimensions of the indoor unit?
The unit measures 840 x 840 x 240 mm (width x depth x height), fitting standard ceiling openings.
How often should I clean the air filter?
Clean the washable filter every two weeks or more frequently in dusty environments. A dirty filter reduces efficiency.
What type of refrigerant does it use?
It uses R410A refrigerant, which is environmentally friendly and efficient for cooling.
Can I install this unit myself?
Installation must be performed by a qualified technician due to ceiling mounting, electrical connections, and refrigerant line requirements.
How do I troubleshoot if the unit doesn't cool?
Check the thermostat setting, ensure the filter is clean, and verify the outdoor unit is running. If the issue persists, contact service.
What is the sound level of this unit?
Sound level is as low as 35 dB(A) on low fan speed, making it quiet for bedrooms or offices.
Does it come with a remote control?
Yes, the unit includes a wireless remote controller for temperature, fan speed, timer, and swing settings.
Where can I find spare parts?
Use only genuine LG parts from authorized distributors. Refer to the user manual for part numbers and contact LG support.
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