GSNH1865NU3 - Air Conditioning LG - Free user manual and instructions
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| Product Type | Split Air Conditioner |
| Model | GSNH1865NU3 |
| Brand | LG |
| Cooling Capacity | 18,000 BTU/h (1.5 tons) |
| Heating Capacity | 18,000 BTU/h (Heat Pump) |
| Power Supply | 220-240V, 50/60Hz |
| Indoor Unit Dimensions (WxHxD) | 1010 x 300 x 210 mm |
| Outdoor Unit Dimensions (WxHxD) | 870 x 650 x 330 mm |
| Indoor Unit Weight | 12 kg |
| Outdoor Unit Weight | 35 kg |
| Refrigerant | R32 |
| Compressor Type | Dual Inverter |
| Functions | Cooling, Heating, Dehumidification, Fan, Auto |
| Key Features | Auto Clean, Jet Mode, Sleep Mode, Wi-Fi (LG ThinQ) |
| Energy Efficiency (SEER) | ~20.0 |
| Air Filter | Anti-bacterial, Washable |
| Indoor Noise Level | 19 - 40 dB(A) |
| Outdoor Noise Level | 48 - 56 dB(A) |
| Warranty | 10 years Compressor, 2 years Parts |
| Included Accessories | Remote Control, Batteries, Installation Manual |
| Safety Requirements | Dedicated Circuit Breaker, No Extension Cord |
| Maintenance | Clean Filter Every 2 Weeks, Professional Service Annually |
Frequently Asked Questions - GSNH1865NU3 LG
How do I clean the air filter?
Open the front panel, remove the filter, vacuum or wash with mild detergent, let dry completely, then reinstall. Clean every 2 weeks for optimal performance.
What room size is this air conditioner suitable for?
The LG GSNH1865NU3 (18,000 BTU/h) is ideal for rooms up to 500-700 sq ft (46-65 sq m) depending on insulation and climate.
Does this unit have a heating function?
Yes, it is a heat pump model that provides both cooling and heating, with a heating capacity of 18,000 BTU/h.
How do I set the timer?
Press the Timer button on the remote, then set the desired on/off time using the +/- buttons. Confirm by pressing Timer again.
What does error code 21 mean?
Error code 21 indicates a refrigerant leak or insufficient refrigerant. Turn off the unit and contact a qualified technician for inspection.
Can I install the air conditioner myself?
Professional installation is recommended due to electrical and refrigerant handling requirements. Improper installation may void warranty.
How do I use the Wi-Fi feature?
Download the LG ThinQ app, follow the pairing instructions, connect to your home Wi-Fi (2.4 GHz), and control the unit remotely.
What is the noise level of this unit?
Indoor unit operates as low as 19 dB(A) in sleep mode and up to 40 dB(A) at full speed. Outdoor unit ranges from 48 to 56 dB(A).
How often should I schedule professional maintenance?
Have a professional service the unit annually to check refrigerant levels, clean coils, and ensure electrical connections are secure.
Is the refrigerant environmentally friendly?
Yes, it uses R32 refrigerant, which has a lower global warming potential (GWP) compared to older refrigerants like R410A.
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USER MANUAL GSNH1865NU3 LG
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Product information
Brand : LG
Model : GSNH1865NU3
Category : Air Conditioning