SP121HM - Air conditioner LG - Free user manual and instructions
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| Product Type | Split System Air Conditioner |
| Model | SP121HM |
| Brand | LG |
| Cooling Capacity (BTU/h) | 12,000 |
| Heating Capacity (BTU/h) | 12,000 |
| Energy Efficiency Ratio (EER) | 12.0 |
| Power Supply (V/Hz) | 220-240 / 50 |
| Indoor Unit Dimensions (WxHxD) | 998 x 345 x 210 mm |
| Outdoor Unit Dimensions (WxHxD) | 770 x 545 x 288 mm |
| Indoor Unit Weight | 10.5 kg |
| Outdoor Unit Weight | 27.0 kg |
| Refrigerant Type | R32 |
| Air Flow (Cooling, m³/min) | 10.5 |
| Sound Level Indoor (dB(A)) | 35 - 45 |
| Sound Level Outdoor (dB(A)) | 52 |
| Filter Type | Washable, Antibacterial |
| Functions | Cooling, Heating, Dehumidification, Fan, Sleep Mode, Auto Restart |
| Remote Control | Yes (included) |
| Timer | 24-hour On/Off Timer |
| Warranty (years) | 2 years parts and labor |
Frequently Asked Questions - SP121HM LG
How often should I clean the air filter?
It is recommended to clean the air filter every 2 weeks under normal usage. A dirty filter reduces cooling efficiency and may cause the unit to freeze. Wash with lukewarm water and dry thoroughly before reinstalling.
Can I use the air conditioner without the remote control?
Yes, the indoor unit has a manual control button (usually located behind the front panel) to operate the unit in basic modes. However, full functionality requires the remote.
What does the 'Timer' function do?
The timer allows you to set the unit to turn on or off automatically after a specified period (up to 24 hours). Use the remote to program the desired time.
Why is my air conditioner not cooling?
Common causes include: dirty air filter, blocked outdoor unit, low refrigerant, or incorrect mode settings. Check the filter and outdoor unit first. If the issue persists, contact a professional technician.
Does this model support Wi-Fi or smart control?
No, the LG SP121HM does not have built-in Wi-Fi connectivity. It is a standard non-smart model. An external smart plug can be used for basic on/off control.
What type of refrigerant does it use?
This unit uses R32 refrigerant, which is more environmentally friendly than older R410A. Always consult a certified technician for refrigerant handling.
What are the power requirements?
The unit requires a 220-240V, 50Hz power supply. A dedicated circuit with a 15A breaker is recommended. Please refer to the manual for specific electrical specifications.
How do I activate the sleep mode?
Press the 'Sleep' button on the remote control. The unit will gradually adjust the temperature (usually 1°C warmer per hour) to provide comfortable sleep and save energy.
What is the difference between 'Cool' and 'Dry' mode?
In 'Cool' mode, the unit lowers the temperature and humidity. In 'Dry' (dehumidification) mode, it focuses on removing moisture without significant cooling, running the fan at low speed.
Where can I find the model number and serial number?
The model number (SP121HM) and serial number are located on a sticker on the side of the indoor unit and on the back of the outdoor unit. They are required for warranty service.
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USER MANUAL SP121HM LG
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Product information
Brand : LG
Model : SP121HM
Category : Air conditioner