PRODUCT NEWS
Barkell
Barkell has launched LightGuard, a UV coil cleaning solution, to aid companies concerned about the safety of occupied buildings in the wake of the Covid-19 pandemic.
UV disinfection systems are coming to the forefront of the battle against Covid-19 and being deployed in airports, hospitals, personal hygiene systems and now air handling units. LightGuard uses UV-C radiation at a wavelength of 264nm, invisible to the human eye but extremely effective at disinfection. UV-C can inactivate microorganisms such as bacteria, viruses and fungi by preventing them from infecting and replicating.
The UV-C lamps used by LightGuard are installed downstream of the cooling coil and use a photon concentrator which focuses up to 95% of the UV energy produced onto the coil. Installation is simple and the lamps are low energy, providing an all-round cost effective solution. The lamps require replacing only once a year, slashing maintenance costs due to removing or greatly reducing the need for normal coil cleaning regimes.
UV-C is effective against many types of bacteria (eg listeria, tuberculosis, MRSA, E-coli, legionella), fungi (eg yeast, mould) and viruses (adenoviruses, Influenza, Norovirus and Coronavirus). HVAC disinfectant solutions which rely on UV light are proven to promote the following positive effects:
than 90% resistant infectious diseases
The lamps prevent the build-up of biofilm, a sticky microbial mass found on HVAC coils, drain pans, and ductwork. It is secreted by communities of microorganisms, bacteria, moulds, and fungi that naturally gather in HVAC systems.
Biofilm, when allowed to build up, acts as an insulator, reducing the efficiency of heat exchange. It fills interstitial spaces, increasing pressure drop across an HVAC coil and it produces sulphite-reducing bacteria, causing corrosion to an HVAC system. The air passing through a contaminated HVAC system will pick up bacteria, moulds, and other infectious particles and distribute them throughout the building.
LightGuard is offered in partnership with Biozone Scientific
International, a US-based leader in UV solutions.
www.barkell.co.uk
Inta
Inta has unveiled its latest HIU - the Hiper II. The original Hiper proved a huge success for Inta, thanks to its compact size, practicality, reliability and value for money.
Benefits of the Hiper II include its electronic PID control unit, which provides constant monitoring of the system and the Modbus communications system, which provides easy-to-understand feedback for users.
Further features such as optimised heating functions, auto-fault diagnostics and pay as you go (prepayment) switching make the Hiper II one of the most user-friendly HIUs on the market. Performance is a key selling point too, as proven by the Hiper II’s successful BESA tests.
These results are achieved due to the use of hydro blocks and the Hiper design, which reduces pipework to a bare minimum. Stuart Gizzi, Director at Intatec, said: “The Hiper II follows on from the successful Hiper HIU, which proved incredibly popular. “This takes the key features from that model and takes them to the next level, improving functionality and performance.”
intatec.co.uk
Armstrong Fluid Technology
A new control solution, launched by Armstrong Fluid Technology, will enable operating efficiencies of chiller plants to be improved significantly, delivering energy savings of up to 45% and water savings of up to 12%. New TowerMax is add-on software for Armstrong’s Design Envelope
9521 Integrated Plant Control System. It reduces energy and water usage by harnessing Armstrong’s proven advanced relational control technology to optimise the operation of chiller plant. The set of performance algorithms resident in TowerMax use the flow data from the installed Armstrong Design Envelope (DE) pumps to reduce energy consumption and water usage through more effective heat balance optimisation, and intelligent Best Efficiency Staging of individual items of plant, in line with changes in load. At the heart is the Armstrong DE 9521, which controls the entire plant, including cooling towers, chilled water pumps and condenser pumps in addition to the water-cooled chillers. Lower installed cost is possible with this solution, as Onboard Sensorless technology eliminates the need for external sensors and the related installation costs. Operational costs are also minimised as heat transfer across the plant is controlled accurately and optimised, while Armstrong’s Active Performance Management technology facilitates real time capacity calculation and condition-based maintenance.
armstrongfluidtechnology.com
38 July 2020
www.acr-news.com
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