HVAC SYSTEMS
photocatalytic devices in making Legionella, fungi, mould, and other virus bacteria, such as flu’ and SARS, inactive. The unit incorporates an Ultra Violet C (UVC) germicidal lamp with a Titanium Dioxide (TiO2
) surface. When radiated by
the lamp, any pollutants in the air flow are broken down into harmless substances by the free radicals created by the UVC and the TiO2
surface. The UVC lamp is
shielded, so the device is harmless, and has no effect on people in the room. Titanium Dioxide (TiO2
) possesses a
high degree of thermal and chemical stability. It is not toxic for humans, and is widely available, bio-compatible, and highly sensitive to UV light. The catalyst, which resembles a honeycomb, increases the photocatalysis reaction surface, which maximises and guarantees system efficiency. The interaction of the catalyst with the UV light (photocatalysis) creates an effect that attacks, breaks down, and eliminates, the polluting agents.
Hospital use
The units are being used in a number of hospital projects, and over 90 FCZ-H units have already been sold for a major office development in London. The sanitising benefits make it an ideal solution for any indoor locations, including nursing homes, laboratories, dental practices, pharmaceutical companies, and any other building requiring guaranteed hygienic air flows. The FCZ-H fan coil unit offers maximum comfort and safety, with minimum operating noise, and is currently the quietest Eurovent-certified fan coil on the market, with noise levels down to 23dB(A).
Environmental issues have been addressed by reducing the power
consumption down to four watts, and avoiding the use of refrigerants in indoor ambients. Installation and maintenance activities have also been simplified to reduce operating costs and maximise efficiency. The air filter is easily removeable for cleaning. Options include:
n Three-speed AC motor or infinitely variable EC motor for optimal sound and energy performances.
n Two or four-pipe systems. n Fixed and adjustable grilles with CFD optimised air flows.
n Pressure-independent valves ensure constant water flow in all conditions.
n Easily removable G2 air filter. n Wall-mounted or wireless remote controls.
Reduced corrosion risks
Manufactured using a polyester powder- coated galvanised steel housing, the absence of unpainted surfaces on the FCZ-H reduces corrosion risks. The fan coils can be floor or wall-mounted units, as well as ducted or recessed, depending on requirements, addressing a variety of installation requirements. As with Aermec’s other fan coil units, depending on spatial limitations, the FCZ-H can also be used for retrofits.
When it comes to COVID-19, there are many questions unanswered, including on how the virus spreads, and the role that HVAC systems can play. Although there have been no reports to date of virus transmissions through HVAC systems, health estate managers can help minimise the spread through the cleaning of air by using UVC light and photocatalytic oxidation equipment, which can inactivate and reduce the amounts of
Pharmafilter
On-site management and decontamination of healthcare waste and purification of hospital waste water.
A fully financed and maintained turnkey solution delivered through operational savings.
Contact: Pharmafilter GH:
info@pharmafilterltd.com Peter Kelly:
p.kelly@
pharmafilter.nl Berkeley Square House, Berkeley Square, London WIJ 6BD United Kingdom +44 203 869 1672 26 Upper Pembroke St, Dublin 2 Ireland +3531 6787 666
October 2020 Health Estate Journal 99 Clifford Saunders
Clifford Saunders is a senior Applications engineer at Aermec UK. He has over 30 years’ experience in manufacturing, designing, and providing technical support.
microbiological contaminants. Aermec is planning to incorporate UV technology across all of its heat recovery ranges. This is a key priority for the company in a bid to help hospitals improve the quality of their indoor air, and minimise the risks of infection.
hej
References 1 Dietz L, Horve PF, Coil DA, Fretz M, Eisen JA, Van den Wymelenberg K. Novel Coronavirus (COVID-19) Pandemic: Built Environment Considerations To Reduce Transmission. msystems 2019. DOI: 10.1128/mSystems.00245-20. [
https://tinyurl.com/tas9dra].
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