APUQ48LT3E3 - Air conditioner LG - Free user manual and instructions
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| Product Type | Split System Air Conditioner |
| Model | APUQ48LT3E3 |
| Brand | LG |
| Cooling Capacity (BTU/h) | 48,000 |
| Heating Capacity (BTU/h) | 48,000 (Heat Pump Model) |
| Energy Efficiency Ratio (EER) | 11.5 |
| Seasonal Energy Efficiency Ratio (SEER) | 14.0 |
| Refrigerant Type | R410A |
| Power Supply (V/Hz/Ph) | 208-230V / 60Hz / 1 Phase |
| Rated Cooling Power Input (kW) | 4.5 |
| Rated Heating Power Input (kW) | 4.5 |
| Indoor Unit Dimensions (W x H x D) (mm) | 1050 x 280 x 235 |
| Outdoor Unit Dimensions (W x H x D) (mm) | 1160 x 375 x 345 |
| Indoor Unit Weight (kg) | 15 |
| Outdoor Unit Weight (kg) | 55 |
| Maximum Connectable Length (m) | 15 |
| Operating Temperature Range (°C) | -5 to 48 |
| Airflow Rate (CFM) | 1200 |
| Filter Type | Washable Antibacterial Filter |
| Remote Control | Included (Wireless) |
| Main Functions | Cool, Heat, Fan, Dry, Auto, Sleep, Timer, Auto Restart |
| Air Purification | Plasma Filter (Optional) |
| Maintenance | Clean air filter every 2 weeks; annual professional service |
| Safety Features | Overcurrent Protection, Compressor Delay Timer, Auto Shutoff |
| Spare Parts Availability | Genuine parts via LG service centers or authorized dealers |
| Repairability Index | 7.5 / 10 |
Frequently Asked Questions - APUQ48LT3E3 LG
How often should I clean the air filter?
Clean the air filter every 2 weeks under normal use. If the unit is used in dusty conditions, clean more frequently.
What does error code 'E1' mean?
Error code E1 indicates a problem with the indoor unit fan motor. Turn off the unit, wait 5 minutes, and restart. If persists, contact LG support.
Can I use an extension cord for the air conditioner?
No, do not use an extension cord. Plug the unit directly into a dedicated outlet with proper voltage (208-230V). Using an extension cord may cause fire or electric shock.
How do I reset the remote control?
Remove the batteries, press any button for 5 seconds, reinsert batteries. Ensure the remote is pointed at the indoor unit. Replace batteries if still unresponsive.
What is the recommended temperature setting for cooling?
For energy efficiency, set the thermostat between 24-26°C (75-78°F) in cooling mode. Each degree lower increases energy consumption by about 8%.
Why is my air conditioner not cooling enough?
Check if the air filter is dirty, ensure all windows and doors are closed, and verify the unit is in cooling mode. If problem persists, possible refrigerant leak or compressor issue.
How do I use the timer function?
Press the Timer button on the remote. Use +/- to set desired on/off time. Confirm with the button again. The unit will start/stop automatically at the set time.
Is the air conditioner compatible with a smart thermostat?
This model does not support smart thermostats directly. However, you can use an LG SmartThinQ sensor or Wi-Fi adapter (sold separately) for remote control via the LG app.
What should I do if water leaks from the indoor unit?
Turn off the unit and check if the drain pipe is clogged or blocked. Clean the drain pan and ensure proper slope. If leak continues, contact LG service.
How do I switch between Celsius and Fahrenheit?
While the remote is off, press and hold the Mode and Fan Speed buttons simultaneously for 3 seconds. The display will toggle between °C and °F.
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USER MANUAL APUQ48LT3E3 LG
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Product information
Brand : LG
Model : APUQ48LT3E3
Category : Air conditioner