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UVSystems OCT 2012 SPN


81


HANOVIA UV PROVIDES ‘FRESH AIR’ AT HYDROTHERAPY POOL


Therapists and patients have been breathing more easily at the Calvary Rehabilitation Hospital.


depends on ensuring that all the water in the pool passes through the system in a reasonable amount of time.


Under the code it is not acceptable to utilise manufacturers’ claims as to performance. This is essential due to the difficulty for regulators to verify these claims, and the exaggerations that have plagued this market in the past. In order to be accepted as having a ‘proven’ cryptosporidium performance any system must have undergone third party validation to an approved international UV performance standard. In the case of the code these are the USEPA, the DVGW (German) and the Onorm (Austrian).


The code also addresses basic construction and manufacturing quality issues.


The code and its UV specification provide an excellent scientifically based standard to provide the best method of control in swimming pools for chemically resistant pathogens. It is not possible to remove such pathogens immediately but the code provides a scientifically based risk management approach with appropriate quality controls and transparency for manufacturers.


HANOVIA ACT ON REDUCING UV OPERATING COSTS


Hanovia’s award-winning Photon UV products have been backed up by the next generation SwimLine UV system which comes after extensive research and pools trials and is re-engineered to provide lower capital costs and lower operating costs than previous UV systems.


It offers two fold protection for pool operators: water disinfection and removing combined chlorines and is incorporated into existing water treatment systems or can be included from the start into new builds. It is available in a range of


configurations, from axial and in-line to u-shaped, making it perfect for any size of pool and every kind of plant layout.


SwimLine dramatically reduces the amount of chlorine required. There is less backwashing and dilution, less waste and notably purer water. The air around the pool is also much more pleasant. Hi-tech sensors and a microprocessor controlled computer interface give unprecedented control over the system – even from remote locations. Continuous UV monitoring and energy optimisation mean the system is more efficient and economical to run, while built-in alarms warn of low UV, power failures or other changes.


The SwimLine uses Hanovia’s UVlux, broad spectrum UV arc tubes as standard, and automatic wipers keep the quartz sleeves housing the UV arc tubes clean, so the only regular maintenance is an annual service at which the UV lamp is changed.


Combined chlorines or chloramines are responsible for the distinctive ‘chlorine’ smell associated with indoor chlorinated pools. They also cause sore eyes and irritated skin and are a major cause of rust within indoor pool complexes. UV not only destroys chloramines, but is also an effective disinfectant in its own right.


ESCO INTERNATIONAL OFFERS WIDE RANGE OF UV SYSTEMS


ESCO International offers over 30 standard UV systems including in-line MP UV (optionally Ozone and AOP system) which have the ability to treat water flow rates of up to 1,400m3/h. The UV systems offer a selection of lamp technologies (medium-pressure, low-pressure Amalgam lamps) suitable for a wide range of commercial and domestic pools and spas. The system can be


The Hanovia UV system was retrofitted into existing pipe work, while still allowing easy access for maintenance). Since installing the Hanovia UV in the pool the therapists and patients at Calvary Rehabilitation Hospital near Adelaide noticed a dramatic improvement in water and air quality. As it is a rehabilitation hospital, the hydrotherapy pool plays an important part in the therapies. Maintenance manager Richard Tothill prides himself on the condition and upkeep of the pool. He found that the air in the hydrotherapy centre smelled strongly of chloramines (also known as combined chlorine), the pungent chemical created when chlorine reacts with organic compounds introduced into the water by swimmers. The chloramine odour is not only unpleasant for the patients and therapists who run the sessions, but can also be a health risk if inhaled regularly. Richard discovered the hospital had to hire more hydrotherapy staff so that their shifts in the pool could be rotated more frequently, as many of them felt nauseous after prolonged periods. Richard decided to investigate what could be done to address the problem. “We did a fair bit of research,” said Richard. “We looked at ozone, but our research showed that it may not be as effective at reducing chloramines as UV treatment.” While researching on the internet, Richard came across Hanovia and its Australian distributor, Fluidquip. He discovered that a Hanovia UV system had been installed by Fluidquip at another rehabilitation hospital in Adelaide and decided to contact them. Now, when Richard steps out on the pool deck he observes: “You can notice how fresh the air smells now. Many of the hydrotherapists have commented on the improvement.”


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