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Control Solutions and Humidification Systems for HVAC/R
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Control Solutions and Humidification Systems for HVAC/R - 1

evaporative cooling applications

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Control Solutions and Humidification Systems for HVAC/R

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high efficiency solutions Can protecting the environment be reconciled with our industrialised society? Yes, today this is possible. Indeed, this is the concept of sustainable development: improving the quality of the life, without overloading the supporting ecosystems that it depends on, now made possible by progresses in technology. While until recently sustainable development was simply a desire, a cost and an obligation defined by legislators so as to bequeath a healthy planet to future generations, today it is the only plausible choice. Changing public awareness continues to focus on...

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Humidify... ...cool while saving Humidification for comfort and industrial processes Air humidity is an important parameter for personal comfort in residential and commercial environments; the right level of air humidity guarantees a sense of well-being and productivity in the workplace. In industrial processes, air humidity control is needed to ensure process stability, product quality and quite often compliance with standards in force. CAREL products respond to the needs of residential, commercial and industrial applications, with special focus on running costs and energy consumption....

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offices The right level of humidity in rooms affects the level of comfort perceived by people and reduces the risk of respiratory illnesses. Humidification is generally required during the winter period, as heating systems “dry” the air, causing dry throat, chapped skin and lips and sore eyes. Comfort depends on the relative humidity: in winter, even if there is fog outside (100% relative humidity), the building heating systems increase the temperature of the air to a comfortable level, around 20 °C. In this way, the relative humidity decreases to values even as low as 10-30%, which are...

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humiFog “Pressurised water humidifiers” humiSteam “Immersed electrode humidifiers” compactSteam “Immersed electrode humidifiers”

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humiSonic “Ultrasound humidifiers”

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Maximum comfort with steam humidification Comfort and energy saving with adiabatic humidifiers Steam generator humidifiers use an external energy source, electricity or gas, to take water to boiling point, thus producing steam. The choice of the type of energy depends on availability, cost and the investment necessary. The humidifier can use mains water; a solution that minimises the cost of the system but which requires periodical maintenance in order to remove the mineral salts that accumulate or, more simply, to replace the cylinders (humidifiers with electrode technology)....

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industry and process What is humidity? Humidity is nothing more than airborne water vapour. Relative humidity is the percentage of water in the air at any given temperature (e.g. 50% RH at 20 °C) with respect to the maximum quantity that the air can hold at that temperature (100% RH at 20°C). The need to humidify the air usually occurs in winter months, when the outside air is cold and humid, for instance -5°C, 90% RH, and is heated in industrial environments at 20°C with a relative humidity that is lowered to 15% RH. As a result, the air can seem “dry”. Even an air-conditioning system or a...

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Ventilated distributors “Pressurised water humidifiers” humiFog multizone “Pressurised water humidifiers” humiSonic “Ultrasound humidifiers” compactSteam “Immersed electrode humidifiers”

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optiMist “Atomisers evaporative cooling” ChillBooster “Atomisers - evaporative cooling” mc multizone “Compressed air and water atomisers” humiDisk “Centrifugal humidifiers”

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Quality and productivity for the printing industry Paper is made from plant fibres (cellulose) and is a hydroscopic material: during the cold season, because the heat generated by machinery and by the heating system dries the air, the moisture content in paper decreases, producing changes in the size and in the technical characteristics of the paper. The length of a sheet of paper varies between 0.1 and 0.2% if the humidity varies in a 10% RH range: in a standard 16 page sheet in A4 format the change can be upwards of 2 mm! In ideal conditions, for paper storage and printing, relative...

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datacenters - evaporative humidification and cooling The need to humidify datacenters is due to the possibility that the accumulation of static electricity can damage the electronic components in the computers when discharged. The risk is much greater when the air is “dry”, i.e. low humidity. The physical explanation of the phenomena is that levels of humidity exceeding 40% produce a very fine film of liquid on surfaces, which is invisible to the naked eye, but which discharges any electrostatic charges produced to earth and thus prevents the accumulation of the electrostatic charges, which...

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Optimist “Atomisers - evaporative cooling” ChillBooster “Atomisers - evaporative cooling” humiSonic “Ultrasound humidifiers” KUE “Immersed electrode humidifiers”

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humiSonic “Ultrasound humidifiers”

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datacenters - evaporative humidification and cooling Assisted IEC adiabatic cooling Mechanical cooling only Evaporative humidification and cooling Adiabatic humidifiers are used increasingly for evaporative cooling in datacenters. Most of the energy consumed in datacenters is due to the air-conditioning systems for the removal of the heat generated. The tendency for saving energy contributes to the diffusion of simple freecooling systems and those with evaporative cooling. In fact, considering that by atomising 100 l/h of water, a cooling capacity of 70kW is obtained for power consumption...

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hospitals and operating theatres Low air humidity affects both health and well being of people. During the wintertime, the air inside buildings is heated to a temperature of 20-25°C with the consequence that relative humidity decreases to values of 10-30%, which is perceived as dry air, even if there is fog outside. The dry air favours the evaporation of water from the skin, which cracks and causes dryness of the throat and nose and the respiratory tract etc. favouring the onset of typical winter illnesses. It is for this reason that air-conditioning systems that control both temperature...

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