Choose a refrigeration unit is important because refrigeration is present in many processes and applications, not only food products, medicines, chemicals, raw materials, process products…
The correct choice of refrigeration equipment is essential so that the product to be preserved does not lose its properties, the installation is efficient and environmentally sustainable, as well as not entailing a high investment for the end customer.
This choice must take into consideration several criteria: regulations, type of refrigeration system, type of compressor, sizing of equipment and installation and the location of the installation, which will determine the climatic conditions in which the unit will operate. It is also important to know whether the equipment will be installed inside or outside the building.
In Europe, the regulatory framework affecting refrigeration equipment is very broad, covering regulations and restrictions on equipment design, safety regulations, sales and handling of fluorinated gases, gas quota agreement, safety and environmental requirements, etc.
Within these regulations we find the F-Gas, a regulation applicable in the European Union that establishes, among other things, a timetable for the reduction and gradual prohibition of fluorinated greenhouse gases. It also limits the use of certain refrigerants depending on the application, depending on where the equipment is to be installed.
It is important to be informed about the regulations, as for example the choice of a direct expansion unit for use in supermarkets would be limited to 40 kW.
The right choice of refrigerant gas for your refrigeration equipment, as well as the regulations, is very important. When choosing the refrigerant to use, several factors must be considered:
According to the type of refrigeration system, we can classify them as direct and indirect systems.
Another factor on how to choose a refrigeration unit can be its main component, the compressor. Let us now look at the most common types of compressors in refrigeration.
According to its structure.
According to their compression technology
For the design and optimal operation of a refrigeration system, the temperature difference is a very important factor, as it determines the heat exchange in the evaporator and condenser. Also the humidity in coastal areas.
The size of the chamber is important when choosing equipment, as we may be short of power to cool the product in good conditions. Or on the other hand, we may choose an oversized unit, so we will be paying for more power, which we do not need.
Refrigeration equipment can be axial or centrifugal in configuration.
Installation of a split refrigeration unit in axial version.
Intallation of a split refrigeration unit in centrifugal version.
INTARCON has the system Calcooling, a software developed to calculate the refrigeration needs of a cold room and select the refrigeration equipment, where by introducing certain parameters according to the type of cold room (modular, refrigerated cabinet, display cabinet, building site…), type of insulation and size, the refrigeration calculator indicates the appropriate equipment..
In addition to indicating the type of cold room, the refrigeration calculator knows the standard conservation parameters for all types of products (meat, vegetables, cereals, dairy products, fruit, pharmaceutical products, bread, wine, seafood…), and allows you to enter the number of door openings, daily air renewals, external humidity or even the product load in the cold room. With all this data, the tool gives us the refrigeration needs of that chamber, in other words, the refrigeration power you need to conserve the product optimally.
With these technical requirements, and taking into account the regulations for the installation of refrigeration equipment, we can choose the ideal equipment for the cold room.
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