Lessar Air Conditioner Review: Error Codes, Comparison of Cassette and Wall Models

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

Lessar made 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 entered the ranks of the EU, a 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 equipment operation.

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 HVAC 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).
• Duct industrial air conditioners (LS / LU-H96DIA4, LS-H60DGA4 / LU-H60UGA4, LS-H48DGA4 / LU-H48UGA4).
• Column air conditioner (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 you can see from the above list, the linear range of devices is quite extensive, which will allow you to choose a specific model for a specific task.

Wall mounted air conditioners

The Lessar wall split system is a versatile 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.

Installation of this type of Lessar air conditioner is carried out by a specialized team within 2-3 hours and demonstrates high efficiency rates 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 subdivided into:

• Wall-mounted inverter 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 redesigned the heat exchangers, control boards and the appearance of the devices, making the company's product strikingly different from the competition.

Distinctive feature of wall-mounted air conditioners Lessar

• The Ego series has a 4-year warranty.
• 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 5000 V.
• All of Lessar's inverter units are equipped with a TOSHIBA DC inverter compressor, which increases the unit's energy efficiency 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.
• A winter set of wall-mounted air conditioners allows you to operate the equipment at ambient temperature up to 15⁰FROM.

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

Comparison table of popular models

Cassette air 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 an even distribution of air flow on all 4 sides. Thanks to this, it is possible to achieve a uniform temperature regime at various points in the same room.

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

A distinctive feature of Lessar semi-industrial air conditioners

• The area of ​​the room for the efficient operation of the air conditioner is up to 162 m² (LS-HE55BMA4 / LU-HE55UMA4).
• The maximum airflow volume is 33.33 m³/ min.
• Effective work at high temperatures (up to + 50⁰FROM).
• Three-phase power supply from the electrical network for even 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 Lessar brand of air conditioners of this design is mounted on the ceiling or floor of any room with a medium and large area. Semi-industrial ceiling (floor) air conditioners have high efficiency and an ergonomic design that fits perfectly into any interior design.

Floor-ceiling systems of Lessar have features that differentiate this class of HVAC equipment from similar products of competitors.

Distinctive features

• Purification of the supplied air from formaldehyde 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 the top and bottom of the device.
• The compressor is capable of providing air recirculation in a volume of 660 m3³ at one o'clock.

Lessar Console and Air Conditioner Instructions

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

In most cases, the instruction for Lessar air conditioners already includes a complete description of the remote control buttons. However, if for some reason it was not included in the complete delivery of the air conditioner, you can get acquainted with it with us.

Lessar air conditioner error codes

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

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

User reviews

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

Positive

• Convenient and simple control panel for the air conditioner, which even children can easily handle.
• 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 your Lessar air conditioner is easy at any service center as parts can be found easily in any city. And if necessary, specialists independently go to the site and repair the equipment.
• It is easy to maintain, since the installation and removal of the filter is very simple.
• Affordable price (cost) and excellent cooling quality.
• A clear operating 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 flashing and dismantle (remove) the indoor or outdoor unit.
• The products have a guarantee from the manufacturer, despite even the low price of the devices.
• High power and excellent technical performance, as evidenced by the presence of a quality certificate that meets European norms and standards.

Negative

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