Review of Lessar conditioners: error codes, comparison of cassette and wall models

Lessar Corporation is one of the successful manufacturers of HVAC equipment, which managed to gain worldwide recognition in a fairly short period of time.

Lessar took its first steps in the HVAC market in February 2003. The production of this brand is carried out in the Czech Republic. Since it was at this time that the Czech Republic joined the EU, the draft “Export Policy” was approved, thanks to which the company's products were recognized all over the world.

This success was achieved due to an affordable pricing policy, excellent quality and efficient operation of the equipment.

The lineup

Thanks to the competent management of business processes within the company and the effective work of the technical and marketing departments, the following types of Lessar climate equipment can be found on the modern market:

  • Wall-mounted multi split systems or inverter air conditioners (LS / LU-HE09KGA2).
  • Floor air conditioning systems (LS-HE55TMA4 / LU-HE55UMA4, LS / LU-H48TEA4, LS-H48TEA4 / LU-H48UGA4).
  • Cassette climatic equipment (LS-HE55BMA4 / LU-HE55UMA4, LS-HE24BMA2 / LU-HE24UMA2, LS-HE12BCMA2 / LU-HE12UMA2).
  • Ducted industrial air conditioners (LS / LU-H96DIA4, LS-H60DGA4 / LU-H60UGA4, LS-H48DGA4 / LU-H48UGA4).
  • Column air conditioning (LS / LU-H48SEA4, LS / LU-H18SB2, LS-H55SIA4 / LU-H55SIA4-30WM).
  • Multizone VRV or VRF systems (LUM-HD280ADA4-in, LUM-HD120ADA2, LUM-HD140ADA2).
  • Precision water-cooled condenser air conditioners (LSP-AXK (EC), LUE-CTK.E).

As can be seen from the above list, the linear number of devices is quite extensive, which will allow you to choose a specific model for a specific task.

Wall conditioners

The wall Splar system Lessar is a universal device for an apartment, gym or office space. Structurally, they consist of outdoor and indoor units, a system of drainage channels and a control panel.

The installation of Lessar air conditioner of this type is carried out by a specialized team within 2-3 hours and demonstrates high performance thanks to the installed Toshiba compressor.

The most popular among this segment is the home air conditioner of the Lessar HOME series. These devices, in turn, are divided into:

  • Wall invertor split systems (Ego, Inverto).
  • Wall mounted devices with constant performance (Rational, Cool +).
  • Multi split systems (eMagic Inverter).

Since the beginning of 2016, Lessar air conditioners have upgraded heat exchangers, control boards and the appearance of devices, making the company's product very different from competitors.

A distinctive feature of wall-mounted air conditioners Lessar

  • Warranty service of the Ego series is 4 years.
  • Remote control of the system using the built-in Wi-Fi module.
  • Air purification using the Plasma system, which according to the manufacturer kills up to 95% of germs and bacteria. This effect was achieved by creating an electric field of 5,000 V.
  • All Lessar inverter devices have a TOSHIBA DC inverter compressor, thanks to which the energy efficiency of the device is increased by 50%.
  • The presence of the 1W StandBy function (EGO series) which, when the air conditioner is off, reduces the power consumption of the device to 1 W per hour.
  • The winter set of wall-mounted air conditioners allows you to operate the equipment at ambient temperature up to 150WITH.

As you can see from the list, the products of the Lessar concern are rather reliable and efficient equipment, which is ideal for functioning in a domestic environment.

Comparison table of popular models

Name of equipment LS-HE09KFA2 / LU-HE09KFA2 LS / LU-H12KBA2 (ion) LS-H18KIA2 / LU-H18KIA2
Recommended area, m2 26 35 40
Compressor type Invertor Standard Standard
Air flow rate, m3/ minute 7.5 10 12.5
Nominal capacity of compressor equipment in air conditioning / heating mode, kW 2,64/2,78 3,52/3,52 5,27/5,27
Own energy consumption, kW 0,82/0,81 1,09/0,98 1,64/1,46
The presence of a plasma filter +
Availability of anti-frost system + +

Cassette conditioner Lessar

This line of climatic equipment belongs to the category of semi-industrial equipment and is designed to control the temperature in large rooms (restaurants, offices, gyms, hotels, etc.).

The main advantage of LESSAR Business cassette air conditioners is the uniform distribution of air flow on all 4 sides. Thanks to this, it is possible to achieve a single temperature regime at various points in the same room.

Most models of this equipment are equipped with a Toshiba inverter located in the outdoor unit, which allows you to adjust the rotation speed of the electric motor (3 modes).

A distinctive feature of semi-industrial air conditioners Lessar

  • The area of ​​the room for the effective operation of the air conditioner is up to 162 m2 (LS-HE55BMA4 / LU-HE55UMA4).
  • The maximum airflow is 33.33 m3/ min
  • Efficient operation at high temperatures (up to + 500WITH).
  • Three-phase power supply from the mains for uniform distribution of the load on the network.
  • The system can be controlled from a wired control panel (LZ-UPW4F, wireless LZ-KDP or central LZ-UPW7).

Ceiling air conditioners

The air conditioning brand Lessar of this design is mounted on the ceiling or floor of any room with medium and large area. Semi-industrial ceiling (floor) air conditioners have high efficiency and ergonomic design that fits perfectly into any interior design.

Lessar floor-and-ceiling systems have features that make this class of climatic equipment stand out from similar competitor products.

Distinctive features

  • Formaldehyde purification of the supplied air thanks to the patented technology of the manufacturer.
  • At the request of the customer, ceiling air conditioners can be supplied complete with an antibacterial or activated carbon filter.
  • The indoor unit contains an EXV valve, which is responsible for uniform air supply from above and below the device.
  • The compressor is capable of recirculating air in a volume of 660 m3 in hour.

Instructions for the control panel and air conditioning Lessar

To configure the operation of the climate equipment of this brand, you need a remote control for the Lessar air conditioner. It can be wired, wireless or central and differ in the number of functions, design or build quality.

In most cases, the manual for Lessar air conditioners already has a complete description of the remote control buttons. However, if for some reason it was not included in the package supply of the air conditioner, you can familiarize yourself with it with us.

Error codes for air conditioners Lessar

Like any equipment, the air conditioner sometimes fails, and when you press the remote control, nothing happens, and on the screen of the external unit any digital or letter values ​​(errors) are displayed. This means that the self-diagnosis system has identified certain problems in the operation of the equipment.

In order to fix the problem on your own, you can find the main error codes for Lessar air conditioners that will help identify the source of the malfunction. In most cases, if the system detects any malfunctions, it is recommended to contact the Lessar Service Center for help.

User reviews

This section will group the main reviews and opinions of users regarding the experience of using Lessar products.

Positive

  • Convenient and simple control panel for air conditioning, which is easy to handle even for children.
  • Low noise level of the indoor unit, at which you can comfortably sleep at night.
  • The presence of a timer (function "Timer"), which can be turned on when you go to bed.
  • Repairing the Lessar air conditioner is easy to do at any service center, since parts can be easily found in any city. And if necessary, specialists independently go to the facility and repair equipment.
  • It is easy to maintain, since the installation and dismantling of the filter is very simple.
  • Affordable price (cost) and excellent cooling quality.
  • A clear instruction manual in Russian, thanks to which you can easily turn on or off any function of the air conditioner, figure out why the light is blinking and dismantle (remove) the indoor or outdoor unit.
  • The products have a guarantee from the manufacturer, despite the low price of the devices.
  • High power and excellent technical indicators, as evidenced by the presence of a quality certificate that complies with European norms and standards.

Negative

  • Made of cheap plastic (once even a model with defects and a discoloration of the plastic met).
  • Creak of dampers in the “Swing” mode.
  • Bulky outdoor unit.
  • Once the indoor unit flowed, it turned out that the drainage pump did not pump out the accumulated moisture, since the bees clogged the drain pipe with honeycombs.

Heating

Ventilation

Sewerage