RACA Journal September 2021 | Page 41

www . hvacronline . co . za RACA Journal I September 2021 39
Feature absorb and cannot be over humidified as with steam methods . Recovery systems in terms of entropy is another area in humidity control which has gained a lot of value as technology moves forward and does save significant energy . Sustainability is another perspective that has seen advancement as suppliers aim to achieve net zero outcomes . The same applies for water utilisation efficiency – how much water is used , is water being wasted and how to incorporate the use of grey water in certain systems that use evaporative media . Adoption of better engineering practices such as the elimination of resource intensive methods are also seen as technology advances as some countries for example have banned the use of electrical re-heating totally because other methods are available for this need ,” says Andersen .
“ Older technologies are most often way less economical to run , consuming more energy than what is needed by today ’ s standards .”
Today ’ s modern humidifiers use more premium parts and materials , and they are designed to perform at their peak for far longer . This improved longevity lends to quite a solid value proposition – you just cannot get the same level of performance and dependability out of a decades-old system . Computer chips are faster , filter media has been meticulously overhauled , and the user experience is literally a night-and-day improvement from the devices of old .
“ Today there are so many benefits and innovations that older systems were not designed to offer . Modernisation of RH control solution has also been driven by electronic devices such
Specialised Climate Engineering
Dehumidifier systems are tailored to suit client needs , from basic desiccant dehumidification to complete climatic control .
as integrated controllers built into units . The controller allows for easy parameter adjustment , onscreen trouble shooting and extensive error reporting . The addition of communication with building management systems via BACnet , IP , MSTP , Modbus or Lon Works enables greater facility control and reporting ”, Schalekamp concludes .
Note : Look out for further technical articles to appear in future issues of the RACA Journal on this topic . RACA
SOURCES :
1 .
Carel Group White Paper
2 .
Humidair
3 .
Specialised Climate Engineering
4 .
Zutari
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www . hvacronline . co . za RACA Journal I September 2021 39