ACR Journal

AIR FILTRATION Heat pump servicing becomes effortless. testo.com/en-UK/free-kneeling FREE Testo branded kneeling mat with any testo 550i, 550s or 557s digital manifold. • Perfect for installing and servicing heat pumps. • Starting from just £129 Testo digital manifolds are compact, robust and fast, with simple operation via large graphic display or your smartphone. • NEW testo 560i digital refrigerant scale saves time, automatically charging refrigeration systems according to target values. • The free testo Smart App brings all instruments together and offers easy operation, measurement & documentation. The current global pandemic also focuses on the adverse health e ects caused by inadequate ventilation. Research has found that this lower air quality can exacerbate several health conditions, including respiratory diseases and cardiovascular damage, linked to premature mortality worldwide in areas with a higher pollution concentration. Most HVAC equipment now has an e ective sensor measuring PM 1.0 particles. Equipment even has indoor air quality (IAQ) displays as a matter of course, measuring a number of things and in many di erent ways – IAQ can vary from good to moderate, unhealthy to poor. The quality can be monitored and displayed on the product itself and monitored via an App such as LG’s ThinQ. In addition, a tra c light system can provide a colour code of air quality – with colours associated with di ering levels making it easier to understand by the end-user. Pollutant removal technology varies from equipment to equipment. A five-step process It starts with the prefiltration of big particles – a multi-layered structure can remove particles up to 2.5 microns and trap large dust particles at the air inlet. Next, the addition of an allergy filter will remove allergy-causing substances, such as house dust mites helping people who react badly to foreign substances in the air. Dust electrification increases the electrostatic charge of particles to improve the e ciency of the fine filters in removing dust particles. The filtering of ultra-fine particles is the next step, removing 99.9% of PM 0.1 size ultra-fine dust. The PM 1.0 allergy filter removes allergy-causing substances. The Plasmaster Ionizer™ function on some LG units generates over 3 million ions to remove up to 99% of airborne bacteria, like staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa. It also eliminates foul odours that circulate in the air. And finally, UVnano™ introduces UV-C radiation – an e ective disinfection process to the situation. The high-energy UV-C radiation destroys the DNA and RNA of the microbes so that they can no longer proliferate, removing bacteria and viruses. LG has introduced a new and highly e ective five filtration step Air Purification Kit for its Multi-Split indoor one way and single split Dual Vane cassette products. It is specifically developed for the indoor units of the air conditioning system and can purify the indoor air, removing particles and VOCs. Its UVnano™ duct filter box has been developed explicitly for the ducted indoor units and can purify the indoor air, removing particles and volatile organic compounds while conditioning it. The multi-process air purification kit, fitted into the indoor unit’s air inlet, consists of three technologies in the order of the pre-filter, an ePM1 65% and finally, the UVnano™. Ventilation and IAQ are areas of activity that will continue to grow in importance and see increasing levels of activity from all companies operating in the sector. LG intends to be at the front of this vital technology as we move forward and contribute to overall wellbeing. https://www.lg.com/uk/business/air-conditioning-systems