Depending on the area of ​​application, all air conditioners are usually divided into three groups:

• Household air conditioners(RAC - Room Air Conditions).
• (PAC - Packages Air Conditions).
• Industrial ventilation and air conditioning systems(Unitary).

Each group includes air conditioners various types. Their features and areas of application are given in the table:

Group	Household air conditioners	Semi-industrial air conditioners	Industrial systems
Types of air conditioners	Monoblock: Split systems:	Split systems:	Chiller - fan coil systems
Cooling power	from 1.5-2 to 7-8 kW	from 5-7 to 25-30 kW	from 5-10 to 200-5000 kW
Scope of application	Separate rooms in apartments, offices and cottages, as well as other residential and public premises with an area of ​​10 to 100 sq.m.	Apartments, offices, cottages, trading floors and other premises for domestic, public and industrial purposes with an area of ​​50 to 300 sq.m.	Residential and administrative buildings, shopping malls and sports complexes with an area of ​​over 300 square meters. m., as well as production and specialized premises.
Distinctive Features	Manufacturers of household air conditioners focus on developing an attractive design of the indoor unit of the air conditioner and reducing its noise level, as well as adding maximum quantity additional functions, the main of which is air purification. The service life of air conditioners is 7 - 10 years, but many buyers change them earlier due to obsolescence of the equipment and the emergence of models with new additional functions.	Semi-industrial air conditioners occupy an intermediate position between domestic and industrial systems. They may have some additional features to attract buyers, while the service life and reliability of semi-industrial equipment is significantly higher than that of household equipment.	The task of industrial systems is the uninterrupted performance of their main functions - cooling (heating) and ventilation. The most important parameters of such systems are the cost and complexity of operation, energy efficiency and unit price of equipment (per 1 kW of cooling power). The service life of industrial systems is at least 20 - 30 years with year-round operation.
Price range	from 250-300 to 2000-5000 USD	from 1200-1500 to 10000-15000 USD	from 5000 USD and above

Monoblock air conditioners, split systems and multi-split systems

According to their design, air conditioners can be divided into the following classes.

Due to their increased performance and high reliability, semi-industrial air conditioners are in demand in commercial and domestic applications. They provide a comfortable microclimate in large apartments, country houses, offices, cafes, restaurants and shops.

This type of climate control equipment differs from household models in the following parameters:

• increased cooling performance and efficiency;
• efficient and volumetric filter elements with a long service life;
• the ability to work in more “heavy polluted conditions” and in severe frosts (down to -15 and below).

High cooling power, characteristic of semi-industrial air conditioners (5-30 kW), allows you to cool large halls and halls. The devices have a wide range of applications. Effective and functional semi-professional solutions provide comfort and coziness in premises of any purpose.

They are installed at the following facilities:

• offices;
• country houses;
• cottages;
• apartments;
• dachas;
• shops;
• premises of shopping centers;
• cafe;
• restaurants;
• workshops and workshops;
• hotels.

Taking into account the characteristics and capabilities of semi-industrial air conditioners, they are noticeably more expensive than household models. The price of such devices is 500-5000 dollars.

Selection of semi-industrial air conditioners

Devices are selected according to the volume of the room, the quality of thermal insulation and financial capabilities. Kilowatt
sufficient power for efficient cooling 10 square meters apartments. In offices, shops and other facilities with high ceilings, power calculations should be made taking into account the cubic capacity of the room.

Depending on the design of the compressor of the external unit, there are inverter and conventional split systems. The first option is more preferable in domestic conditions: inverter air conditioners are quieter and consume less electricity. And for other premises, traditional systems are quite suitable, since their prices are lower.

Types of semi-industrial air conditioners

Semi-industrial air conditioning systems are classified based on the method of placing the indoor unit and design features. Let's start our review of semi-industrial air conditioners with the most common category - wall-mounted systems.

Wall-mounted air conditioning systems

The most popular climate control equipment for shops, cafes, offices and residential premises up to 100 meters in area. The appearance and design of wall-mounted semi-industrial air conditioners does not differ from their domestic counterparts. The only difference is the dimensions and increased power.

This type of climate control equipment has an affordable price and a wide selection of models. Disadvantages include relatively low power (up to 10 kW) and stringent installation requirements. There are also restrictions on the length of communication between the external and internal units. This imposes restrictions on their placement locations.

Duct air conditioners

A climate system designed for installation in suspended ceilings or attics. As a rule, ducted semi-industrial air conditioners have a partial ventilation function. They are able to take fresh air from the street and mix it into the flow.

The power of such systems is 5-25 kW, which makes it possible to organize simultaneous cooling of several rooms.

To separately regulate the temperature in each room, the air flows in each of the channels coming from the indoor unit are regulated by manual or electromechanical valves controlled by thermostats.

Advantages of ducted semi-industrial air conditioners:

• high performance;
• fresh air mixing function;
• hidden installation;
• air conditioning of several rooms.

Disadvantage of the system:

• labor-intensive installation;
• the need to repair the ceiling after installing communications.

Cassette systems

Unlike duct air conditioners, cassette units are designed for installation directly into suspended ceilings. Only the cassettes with gratings remain in sight. Air is supplied to the heat exchanger through the center of the cassette, after which it is returned to the room through the side louvers. There is no fresh air in them. Therefore, when installing cassette air conditioners, it is necessary to take special care of the flow of fresh air into the room.

Advantages of cassette air conditioners:

• hidden installation;
• high performance;
• attractive appearance gratings;
• uniform distribution of air through the louvers of the grilles.

Installation of such air conditioners requires intervention in the structure of the suspended ceiling.

Column air conditioners

Stationary units are mounted on the floor of a refrigerated room. The devices are characterized by increased power and are designed for quick, effective cooling of the room. Column semi-industrial air conditioners are installed in server rooms, industrial premises and large shopping centers.

Advantages:

Flaws:

• Large dimensions.
• Not a very attractive design.
• Heavy weight.

The main disadvantage of column technology is that it occupies a significant usable area.

Floor-ceiling systems

If there is no attic space, and there is not enough space between the suspended ceiling and the ceiling to place a cassette unit, then installing floor-ceiling air conditioners is relevant. They are also used in rooms with plastered or plasterboard ceilings, in which tampering is undesirable. The attractive design of floor-ceiling devices does not spoil the appearance of the room, and the functionality does not differ from cassette models.

Floor-ceiling semi-industrial systems are mounted in two ways:

• Mounting above the floor against the wall. Cold air is directed upward so as not to create discomfort;
• Ceiling installation. In this case, the air flow is directed parallel to the ceiling.

The Anti-draft function, available in premium models, allows you to control air flow using blinds. This is relevant when zoning a room and creating warmer and cooler areas.

Advantages:

• Installation without interfering with the structure of plasterboard and plastered ceilings.
• Possibility of zoning (for top models).

The only drawback of floor-ceiling systems is that they are not designed for hidden installation.

There are also semi-industrial multi-split systems with the ability to connect several different indoor units to one external unit. Such solutions allow you to place an indoor unit in each room that fits perfectly into the design concept.

The range includes both the classic series of semi-industrial split systems HEAVY Classic and the inverter series HEAVY DC Inverter with internal units of cassette, duct, floor-ceiling type in the full power range from 12 kBTU * to 60 kBTU. Hisense engineers paid special attention to the development additional solutions in the field of individual and group management.

This allows this equipment to be used at facilities of various levels and to solve any problem: from cooling server rooms to creating a comfortable air conditioning system for an office building.

Wide operating range

Thanks to the use of modern control algorithms and high-quality components, HISENSE semi-industrial split systems of all types can operate in heating mode over a wide range of outside temperatures.

Highly efficient compressors

All models of HISENSE semi-industrial air conditioners use only highly efficient compressors (rotor type and SCROLL) specifically designed for use in professional equipment.

Increased track length and height difference

The use of professional class compressors, an oil recovery system and an adaptive operation control system made it possible to increase the length of the route and the height difference between the indoor and outdoor units. This gives greater flexibility during installation semi-industrial systems air conditioning HISENSE.

Control and monitoring system divided into two boards with duplication of functions

More reliable control: with Dual PCB Control, the control system reads all operating data without the slightest delay.

This allows you to achieve optimal control, intelligent defrosting, and protection against breakdowns. The split control system is protected from damage or danger caused by incorrect power connections.

Additional control system features

Connecting an access control card

This function makes it very convenient to use semi-industrial HISENSE systems in rooms where it is necessary to automatically turn off the air conditioning system when there are no people in the room. For example, apartments or hotel rooms.

Fire system connection

The control system for semi-industrial systems allows you to connect smoke detectors or other devices or control systems that signal a fire. When this contact is activated, the air conditioning system will be switched off immediately.

Safe work

HISENSE semi-industrial air conditioning systems are equipped with several levels of protection. One of them is control of high and low pressure refrigerant. By monitoring these parameters, the control system can stop the operation of the air conditioner in the event of an abnormal operation, preventing an accident.

Smooth soft start*

When starting the compressor and air conditioner motors, a large starting current occurs. This problem especially arises when using high-power air conditioners.

HISENSE semi-industrial air conditioners have a special “SOFT Start” function that significantly reduces the starting load.

*For inverter systems

Most models of semi-industrial air conditioners are characterized by significant power. They are able to operate uninterruptedly for many days, since their internal units are more reliable than those included in household split systems. The main task of industrial air conditioning systems is to accurately maintain climatic parameters at a given level necessary for a given technological process or conditions for storing inventory items.

The area of ​​use of industrial air conditioners is various types of production, trading floors, catering establishments, public buildings, data centers, server rooms, etc.

Precision air conditioners

Precision or cabinet air conditioning systems during their full service life are 100% consistent with their name - they maintain the climate in the serviced premises at the precise level of the parameters specified by them. The temperature in the room where the precision air conditioner operates will correspond to the specified one with an accuracy of plus/minus 1 o C, the humidity will be maintained at the specified level with an accuracy of plus/minus 5%. Cabinet air conditioners are designed for non-stop operation for a full calendar year; subject to timely maintenance, their service life is over 10 years.

Externally, precision air conditioning devices look unattractive compared to household air conditioner models - however, they do not require an elegant design. This segment of climate control equipment is highly specialized and intended for technical premises in which a significant amount of technological equipment is installed - medical, hardware, telecommunications, etc. Precision air conditioners are also used to maintain a given climate in museum storage facilities and warehouses. They are indispensable in conditions where storage facilities require a strictly defined climate or there is a significant amount of technological equipment in a small area, successful activities which is affected by changes in temperature and air humidity.

In terms of their general design and operating principle, precision air conditioners do not differ from the design of other refrigeration appliances. Depending on the model of cabinet air conditioning systems, the condenser is cooled by air or water. Air cooled by the device can enter the room in several ways; the most common supply is through an air duct located near the floor or at the top of the air conditioner. If the room has a raised floor, then the cooled air is directed into the underground, and an air-permeable grille is installed in the raised floor next to each device that needs cooling. For technical rooms with a raised floor, special models of precision climate control devices are produced - they are placed directly in the underground, with only air intakes going outside. In floor-mounted cabinet air conditioners, conditioning air enters through air intakes located on the top, side or behind the unit.

Among the models of precision air conditioners, there are monoblock and double-block devices - the first ones look like window monoblocks, only much larger, and the second ones look like household splits with a simplified design. The complete factory equipment of cabinet air conditioners is designed for year-round use - the devices are equipped with electric heating elements and an air humidification system. The cooling power of precision climate control devices can be from seven to one hundred kilowatts, the weight of the indoor (room) unit can be from 200 kg. The least powerful models (7 kW) cost about half a million rubles.

Multi-zone air conditioning systems (VRV and VRF)

Split systems, consisting of a common external unit and several (from two to one hundred) internal units, were developed in the 80s with the aim of expanding the line of household climate control appliances. At the end of the 90s, the cost of air conditioners decreased significantly, which contributed to their mass distribution - more and more street split units appeared on the facades of buildings, worsening the appearance of cities. Against this background, a number of city governors introduced restrictions on the number and location of outdoor units of air conditioning systems on the walls of buildings, which made it impossible to install climate control devices in every room. And then multi-zone air conditioners came to the forefront; a powerful external split unit made it possible to connect several indoor block hair dryers to it - multi-zone split systems were identified by manufacturers as a separate class of climate control devices.

The line of multi-zone air conditioners includes household and semi-industrial models: the first are formed by an external unit and several internal ones (maximum four); the second - from several external blocks, united together into a common section, and up to hundreds of internal blocks. The range of cooling capacities of external units of household VRV and VRF air conditioning systems is 5-25 kW, the power of semi-industrial models is four times higher - 22-100 kW. The calculated power of the external unit (units) of multi-zone air conditioners is actually higher than indicated in the device passport - this is necessary to compensate for the total load created by the internal units during operation. An outdoor split-block multi-zone air conditioning system can withstand 40% excess load. The cooling power of indoor block hair dryers is 2-18 kW.

Indoor (indoor) units of VRV and VRF climate systems are no different from hair dryers of conventional household split systems - they are controlled and configured using a remote control, and each indoor unit is connected to an external unit independently of the others. Semi-industrial models of multi-zone split systems can be equipped with wall, ceiling, floor, or cassette hair dryers, the total power of which does not exceed the power characteristics of the external split unit or section of external units. The outdoor unit of a multi-zone air conditioner is connected to the indoor units via a two- or three-pipe main. A freon circuit made of two copper pipes allows you to simultaneously either heat or cool all serviced rooms, and formed by three pipes, each indoor unit can operate in cooling or heating mode independently of the others.

Household models of multi-zone split systems with an outdoor unit with a power of 5 kW and two indoor units with five kilowatts of total cooling power cost about 170,000 rubles. Prices for semi-industrial multi-zone climate systems are determined by the complexity of constructing the freon main, the required power characteristics of the section of external units and total number internal hair dryers, the purposes of building such systems.

Duct and rooftop air conditioning systems

Both types of these climate systems supply treated air to the premises through air ducts, otherwise their design is not the same and the most noticeable difference is two split units for ducted air conditioners and one for rooftop ones.

Duct air conditioners. Their system includes an internal unit called a fan coil unit and an external unit called a chiller. The fan coil unit is located in the most remote and soundproofed part of the building (usually in the basement), as far as possible from the staff's workplaces - when turned on, the device emits a loud hum. The freon line connecting the fan coil and chiller into the air conditioning system does not exceed maximum length 50 m. The air from outside the building is pumped through the air duct into the fan coil unit, undergoes cleaning and temperature treatment, and then is sent to consumers. The chiller, placed outside at a certain distance from the building, depending on the operating mode of the system, serves to remove heat or cold from the fan coil. Being equipped with thin air filters, duct air conditioners are capable of multi-stage air purification, up to the elimination of dirt particles of one micron.

The cooling power range of ducted air conditioning systems is 5-140 kW, maximum air flow is 25,000 cubic meters per hour. The line of duct air conditioners includes three types of models - low-pressure with a system pressure of up to 50 Pa, medium-pressure, developing a maximum pressure of 150 Pa, and high-pressure systems, with a maximum pressure of 300 Pa.

Rooftop air conditioners. A single unit of rooftop air conditioning systems is placed on the roof of the building using a special frame. Air is pumped into the device, cleaned and subjected to temperature treatment, then sent through branched air ducts to points of consumption. Such equipment is capable of ventilating a building - supplying dust-free air without heating or cooling it.

The general design of a roof monoblock is practically indistinguishable from the design of household monoblock air conditioners, for example, window ones. The difference is that these devices are much larger and more powerful; they are controlled by a complex set of automation that carefully monitors each work operation to avoid overheating. During operation, the air conditioning unit becomes very hot, and it urgently needs unlimited air access from all sides.
The power range of rooftop air conditioners is 8-140 kW, air consumption is 1500-25000 cubic meters per hour. Compared to ducted air conditioning systems, rooftop air conditioners are more compact, and the presence of one unit and the complete absence of an external freon line greatly simplifies installation work- the impressive size of the duct fan coil may require partial dismantling of the wall in order to install it in the basement.

Both air conditioning systems are installed discreetly, without hanging their elements on the facade of the building, easily cope with the air supply of the entire building, and are capable of operating in recirculation (ventilation) mode. Their disadvantages are significant noise from installations during operation, noise in air ducts caused by air movement.

Minimizing noise will be possible by carefully calculating the installation location of the climate system and equipping the air ducts with noise absorbers.

Cassette air conditioners

The spread of false ceilings - suspended ceilings - prompted design engineers from leading climate control equipment manufacturers to create an internal split unit that could be built into a suspended ceiling. The external unit of a cassette air conditioner does not differ in design from similar units of other split systems, and the indoor unit hair dryer is a cassette installed in a suspended ceiling using an independent fastening system, the front panel of which is brought out on the same level as the plane of the false ceiling.

The cassette air conditioner is installed in rooms with a ceiling height of more than 2.5 m; to hide its body in the space behind the suspended ceiling, at least 250 mm of distance from the cladding slabs to the plane of the real ceiling is required. In addition to the height of the internal block of a cassette split system, it will be important to pay attention to the power characteristics of the pump that pumps out condensate from the pan of the device - there are models with a pump that raises moisture to a height of 400 mm, and there are also more powerful ones, capable of pumping liquid to a height of 800 mm. Cassette air conditioners, as a rule, cannot be controlled manually - they are located too high, so they are equipped with a remote control, infrared or wired.

The cooling power of cassette split systems is directly related to the size of the internal hair dryer; there are two of them - compact (Euro-size) with a wall of 600 mm and a power of up to 6 kW, a regular one with a wall of 800 mm and a power of up to 15 kW. Models with a power of 15 kilowatts are intended for indoors, total area which is 130-150 m2.

The cassette hair dryer pumps air from the room into itself for subsequent cleaning and temperature preparation through the air intake in the central part of the device. Air return is carried out from two or four sides of the front panel - this is another advantage of cassette air conditioning systems, which allows you to quickly create an atmosphere in the room with the required parameters.

Prices for cassette air conditioners are comparable to prices for other split systems with similar cooling capacity. For example, a 3.5 kW model costs about 17,000 rubles.

Ceiling air conditioners

The internal block hair dryer of ceiling split systems is placed under the ceiling and attached to the ceiling plane, due to which the air stream from the device moves through the hottest layer of the room atmosphere, effectively cooling it. In addition, the flow of cooled air moving from the ceiling is guaranteed not to reach the bodies of people in the room served by the ceiling air conditioner. Some models of ceiling split systems allow their installation both on the ceiling and on the wall - they are equipped with two trays for collecting condensate (for horizontal and vertical installation of the device).

The cooling power of ceiling climate systems is 2.5-18 kW, respectively, the power of the model is designed to maintain required parameters atmosphere over an area of ​​25-180 square meters. The maximum serviced area of ​​ceiling split systems is slightly higher than that of other semi-industrial air conditioner models - due to the higher air flow rate they generate. Depending on the power characteristics, the width and length of ceiling block hair dryers may vary, but their thickness (height) is always in the range from 180 to 250 millimeters. The cost of the least powerful model - 2.5 kW - is about 30,000 rubles.

Designed to prepare air in spacious rooms, ceiling air conditioners are installed in the halls of large offices, in which sections of partitions do not reach the ceiling, in industrial and commercial enterprises, restaurants and libraries.

In conclusion

In addition to the described types of air conditioning devices, semi-industrial air conditioners include column split systems, the cooling power of which reaches 50 kW and is sufficient to control the climate in rooms up to 300 m2. But since this climate technology has already been closely studied in, we will not return to its description.

Universal external units are highly efficient and allow you to effectively air condition rooms of any size and layout. The universal external unit of the split system is installed on the external wall of the building or on the roof, which reduces the noise level during operation. He is not susceptible to negative...

For large rooms with a suspended ceiling (office halls, supermarkets, etc.) a special type has been developed split systems- cassette. The internal unit of which is mounted in the gap between the suspended and ordinary ceiling. ...

Air is taken in and distributed throughout the rooms using a network of air ducts, ventilation grilles or diffusers. Indoor unit duct air conditioner has a more powerful fan (compared to other models of identical power) in order to pump air through the entire duct system. ...

The indoor unit of a floor-to-ceiling air conditioner directs a powerful stream of treated (cooled) air along the wall or ceiling and thus ensures uniform temperature distribution in the room. Its original appearance is specially designed for ceiling or wall mounting. ...

Column air conditioners are designed for operation in large rooms. With greater cooling power, they can serve shopping areas, hotel lobbies, and industrial premises. The indoor unit of these air conditioners is a column and is installed directly on the floor. Column type air conditioners...

The production company GENERAL CLIMATE offers to buy semi-industrial air conditioners and split systems on favorable terms with delivery in Moscow..

The units are installed in rooms of any size and configuration. The installation of the indoor and outdoor units at different heights is provided.

Features of the technology

• Possibility of centralized and group management.
• Flexible configuration of the system.
• The presence of a long freon line.
• Modern system filtration.
• Equipped with a pump to remove condensing liquid.
• Work in automatic mode.
• Automatically resumes operation in the previous mode after a power failure

A distinctive feature of semi-industrial air conditioners is a large indoor unit and a powerful air flow.

Varieties

• Cassette - suitable for spacious rooms of any configuration. The indoor unit is mounted into a suspended ceiling; only the lower part, decorated with a decorative panel, is visible.
• Wall-mounted - used for air conditioning in rooms of simple configurations. The equipment operates in cooling, heating, and dehumidifying modes. A number of models have the function of purifying the air from dust particles, bacteria, and viruses. Split systems are distinguished by their operation with a reduced noise level.
• Ducted - the indoor unit and air ducts are hidden in the suspended ceiling. The equipment evenly distributes air in rooms and is characterized by power and versatility of use. The technique is suitable for apartment buildings and small office spaces.
• Floor-ceiling - the indoor unit is installed on the floor, the air flow is directed vertically upward, or the device is fixed to the ceiling, and the air flows horizontally. Thanks to small sizes Can be installed on a windowsill. This optimal choice systems for elongated rooms.