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Air conditioning LG MU3R21.UE0

LG
Home appliances
Air conditioning

The LG MU3R21.UE0 air conditioner is a modern device that combines performance and elegant design. Its white color easily integrates into any type of interior, while its island type offers a solution that is both functional and aesthetic to optimize your space.

This model features cooling and heating functions, with a cooling capacity of up to 7330 W and a maximum heating capacity of 7770 W. Thanks to inverter technology, it optimizes energy consumption for increased comfort while reducing your electricity bills.

With an energy efficiency rating of A+++, the LG MU3R21.UE0 ensures optimal performance while minimizing environmental impact. It operates within a temperature range of -10 to 48 °C for cooling and -18 to 18 °C for heating, making it an ideal choice for all seasons.

This air conditioner is also equipped with a dual rotary compressor that ensures increased energy efficiency and a prolonged lifespan of the device. Its noise level of 50 dB for the outdoor unit allows for discreet operation, perfect for residential environments.

In summary, the LG MU3R21.UE0 is a high-performance and energy-efficient air conditioner designed to provide optimal thermal comfort throughout the year.

Manuals of product MU3R21.UE0

First page image of the manual for MU3R21.UE0

User Manual
33 pages
View manual
First page image of the manual for MU3R21.UE0

Installation Guide
33 pages
View manual
8 10

Editorial note

The LG MU3R21.UE0 is an air conditioning system that stands out for its elegant white design, seamlessly integrating into any type of interior. With a maximum cooling capacity of 7330 W and a heating capacity of up to 7770 W, this unit ensures optimal thermal comfort throughout the year. Its built-in inverter technology guarantees remarkable energy efficiency, rated A+++ for cooling, thus helping to reduce electricity bills while preserving the environment. However, there are some drawbacks to consider. The product does not have the Multi split functionality, which limits its use in larger spaces. Additionally, the absence of an ionizer may be a disadvantage for those looking to improve indoor air quality. Although the noise level of the outdoor unit is generally acceptable for residential use, it could be perceived as bothersome in quiet environments. Finally, the maximum pipe length of 25 m and the heavy weight of the outdoor unit can pose challenges during installation. In terms of user experience, the LG MU3R21.UE0 receives good ratings, with a score of 80 for overall experience and a score of 85 for its performance. Its documentation, including a user manual and installation guide, is also well-rated, making it easier to use. In summary, the LG MU3R21.UE0 is a solid option for those seeking a high-performing and energy-efficient air conditioner, although it may not be suitable for all types of spaces or all air quality needs.

Score details

User experience

The user experience is generally positive thanks to a sleek and modern white design that harmoniously fits into any type of interior.

Performance

With a maximum cooling capacity of 7330 W and a heating capacity of up to 7770 W, the LG MU3R21.UE0 ensures optimal thermal comfort throughout all seasons.

Battery life

The device is rated A+++ in energy efficiency for cooling, ensuring environmentally friendly use while maintaining high performance.

Design

Its sleek and modern design contributes to a functional solution for optimizing space while adding an aesthetic touch to your interior.

Features

The integrated inverter technology optimizes energy consumption, but the lack of Multi split functionality and an ionizer may limit its appeal to some users.

Robustness

The dual rotary compressor allows for better efficiency and quieter operation, but the heavy weight of the outdoor unit can pose challenges during installation.

Usability

The noise level of the outdoor unit, although acceptable for residential use, may be perceived as bothersome by some users, especially during quiet nights.

Documentation

Two documents are available, including a user manual and an installation guide, providing a good information base for optimal use.

Advantages

Energy optimization to reduce bills.

Cooling capacity of 7330 W.

Modern and elegant design in white.

Quiet and efficient compressor.

Energy class A+++ for cooling.

Disadvantages

No multi-split feature available.

Absence of ionizer to purify the air.

Annoying outside noise for some users.

Hose length limited to 25 m.

No data on indoor noise.

Technical Specifications MU3R21.UE0

General Information

Features

  • Multi split
    -
  • Ionizer
    -
  • Seasonal efficiency rate (heating) (SCOP) (warmest heating season)
    -
  • Seasonal efficiency rate (heating) (SCOP) (average of a heating season)
    -
  • Seasonal efficiency class (heating) (heating season)
    -
  • Type
    Air conditioning outdoor unit
  • Product color
    White
  • Air conditioning functions
    Cooling, Heating
  • Converter technology
    Yes
  • Cooling capacity in Watts (min)
    1060 W
  • Cooling capacity in watts (nominal)
    6150 W
  • Cooling capacity in Watts (max)
    7330 W
  • Heating capacity in watts (nominal) (average of a heating season)
    7030 W
  • Heating capacity in Watts (min)
    1170 W
  • Heating capacity in Watts (max)
    7770 W
  • Type of compressor
    Double rotary
  • Energy efficiency of the cooling system
    4.27
  • Energy efficiency of the heating system
    4.42
  • Seasonal performance rating (cooling) (SEER)
    8.5
  • Seasonal performance rating (heating) (SCOP)
    4.21
  • Medium refrigeration
    R32
  • Average refrigeration weight
    1400 g
  • Operating temperature (cooling) (T-T)
    -10 - 48 °C
  • Operating temperature (heating) (T-T)
    -18 - 18 °C
  • Pipe length (max)
    25 m
  • Gas pipe diameter
    9.52 mm
  • Liquid pipe diameter
    6.35 mm
  • Heating capacity in watts (nominal) (coldest heating season)
    - W
  • Heating capacity in watts (nominal) (coldest heating season)
    - W

Power

  • Energy efficiency class (heating) (SCOP) (warmer heating season)
    -
  • Energy efficiency class (heating) (heating season)
    -
  • Current (cooling)
    9.6 A
  • Current (heating)
    10.6 A
  • Nominal load (cooling)
    4.9 kW
  • Electricity Consumption (cooling) (min)
    240 W
  • Electricity Consumption (cooling) (max)
    2070 W
  • Electricity Consumption (heating) (min)
    250 W
  • Electricity Consumption (heating) (max)
    2300 W
  • Energy efficiency class (cooling)
    A+++
  • Energy efficiency class (heating) (average of a heating season)
    A+
  • Annual energy consumption (heating) (coldest heating season)
    - kWh
  • Annual energy consumption (heating) (coldest heating season)
    - kWh
  • Annual energy consumption (cooling)
    253 kWh
  • Annual energy consumption (heating) (coldest heating season)
    - kWh
  • Annual energy consumption (heating) (average of a heating season)
    1629 kWh
  • Annual energy consumption (heating) (coldest heating season)
    - kWh
  • AC input voltage
    220 - 240 V
  • AC input frequency
    50 Hz
  • Current
    20 A
  • Nominal load (heating) (average heating season)
    - kW
  • Nominal load (heating) (average heating season)
    - kW
  • Nominal load (heating) (average heating season)
    - kW

Indoor unit

  • Noise level of the indoor unit (high speed)
    - dB

Outdoor unit

  • Quantity outdoor units
    1
  • Air cooling (outdoor unit)
    3000 m³/h
  • Noise level of the outdoor unit
    50 dB
  • Sound power level of the outdoor unit
    64 dB
  • Width of the outdoor unit
    870 mm
  • Depth of the outdoor unit
    320 mm
  • Height of the outdoor unit
    655 mm
  • Weight of the outdoor unit
    43800 g

Network

  • Wifi
    -

Frequently Asked Questions

What is BTU?
BTU stands for British Thermal Unit, which is a unit used to measure cooling capacity.
What does R-410A represent?
R-410A is a type of refrigerant used in air conditioning systems that operate down to zero degrees Celsius.
How often should I clean the filters of my LG air conditioner?
To ensure good air quality, it is recommended to clean the filters of your LG air conditioner at least four times a year.
What is the energy class of the LG MU3R21.UE0?
The LG MU3R21.UE0 is rated A+++ for energy efficiency.
How do I adjust the temperature of my LG MU3R21.UE0 air conditioner?
To change the temperature, press the 'Temperature' button on the remote control and select your setting.
How do I change the fan speed of the LG MU3R21.UE0 air conditioner?
You can adjust the fan speed using the speed buttons on the remote control, with options such as Low, Medium, or High.
Is it possible to set a timer for the air conditioner to turn on or off automatically?
Yes, you have the option to set the timer to turn the unit on or off at a specific time. Check the timer settings on the remote control.
How do I change modes (cooling, heating, etc.) on the LG MU3R21.UE0 air conditioner?
Use the 'mode' button on the remote control to switch between modes. Each press of this button will cycle through the different options.
What should I do if an error code appears on the LG MU3R21.UE0 air conditioner?
If an error code appears, try resetting the unit by turning it off and unplugging it for a few minutes. If the problem persists, it is advisable to contact a qualified technician.
Does the LG MU3R21.UE0 have inverter technology?
Yes, the LG MU3R21.UE0 features inverter technology, allowing the unit to adjust its energy consumption based on heating or cooling needs, providing energy savings and better temperature control.
What is the cooling capacity of the LG MU3R21.UE0 in watts?
The LG MU3R21.UE0 has a cooling capacity of 6150 W under nominal conditions, with a range from 1060 W to 7330 W, ensuring cooling performance suitable for various room sizes.
What is the heating capacity of the LG MU3R21.UE0 air conditioner in watts?
The nominal heating capacity of the LG MU3R21.UE0 is 7030 W during the heating season, with a range from 1170 W to 7770 W, ensuring comfort even in cold weather.
What type of compressor is integrated into the LG MU3R21.UE0?
The LG MU3R21.UE0 uses a Twin Rotary compressor, known for its efficiency, low noise level, and durability, providing reliable heating and cooling performance.
What is the energy consumption of the LG MU3R21.UE0 when cooling?
The LG MU3R21.UE0 air conditioner consumes 240 W under minimum conditions and 2070 W under maximum conditions for cooling, making it a relatively energy-efficient device.
Is the manual for the LG MU3R21.UE0 available in French?
Yes, the manual for the LG MU3R21.UE0 is available in French.

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Presentation of product MU3R21.UE0 specifications from brand LG

General Information

The model LG MU3R21.UE0 from the brand LG is recognized for its quality and innovation in the home appliance sector. This air conditioner, designed to deliver remarkable performance, aims to enhance the user experience with its advanced features.

Features

Designed in a monoblock format, the LG MU3R21.UE0 integrates seamlessly into various interiors while optimizing the available space. Its white hue gives it a modern and elegant look. Equipped with cooling and heating functions, this device ensures optimal comfort throughout the year.

The integrated inverter technology optimizes energy consumption, thereby improving the device's efficiency. Although it does not have an ionizer, it boasts impressive cooling capabilities: from 1060 W to a nominal power of 6150 W, and up to 7330 W in maximum mode. For heating, it offers a nominal capacity of 7030 W with a minimum of 1170 W and a maximum of 7770 W.

The air conditioner uses a dual rotary compressor, ensuring both performance and energy efficiency. With a SEER of 8.5 in cooling mode and a SCOP of 4.21 in heating mode, it is designed to reduce energy consumption while preserving the environment. The refrigerant used is of type R32, ensuring optimal efficiency.

The LG MU3R21.UE0 operates within a temperature range of -10 to 48 °C for cooling and -18 to 18 °C for heating, making it suitable for varied conditions. Its maximum pipe length of 25 m offers installation flexibility, while the pipe diameters (9.52 mm for gas and 6.35 mm for liquid) ensure efficient fluid circulation.

Power

In terms of power, the cooling current is 9.6 A and the heating current is 10.6 A. The nominal cooling load is estimated at 4.9 kW, with an electrical consumption of 240 W in cooling mode and 250 W in heating mode. The maximum electrical consumption reaches 2070 W for cooling and 2300 W for heating.

The LG MU3R21.UE0 is rated A+++ for energy efficiency in cooling mode, while in heating mode, it receives a rating of A+, thus ensuring environmentally friendly performance while maintaining thermal comfort.

Indoor Unit

The noise level of the indoor unit is not specified, but it is designed to provide discreet and pleasant operation, contributing to a comfortable environment.

Outdoor Unit

This model is equipped with a single outdoor unit, capable of cooling up to 3000 m³/h of air, thus ensuring optimal circulation. The noise level outside is 50 dB, making it suitable for residential environments, while the sound power level reaches 64 dB.

The dimensions of the outdoor unit (870 mm wide, 320 mm deep, and 655 mm high) facilitate its installation, while its weight of 43.8 kg ensures its robustness.

Network

The product LG MU3R21.UE0 is equipped with Wifi features, allowing for effective wireless connectivity for all your devices, although specific details are not provided.