www.swimmingpoolnews.co.uk
DosingPumps DEC 2011 SPN
RIGHT: Bayrol’s Pool Manager is a unique concept for automatic water treatment
LEFT, MIDDLE & BOTTOM: Dynamik PRO, Kontrol 500 and Kontrol InviKta Double – Seko have across the board dosing systems and have been manufacturing them for 40 years
deserve a plant room that reflects the same level of quality and installing a Thermalec Control Panel will give customers confidence that both the pool building and electrical work meets the exacting standards they require.
Each control panel is built to IP 55 for dust and moisture protection. All control equipment used is waterproof and are immediately accessible via the front of the panel. All other controls requiring occasional use may be accessed by opening a robust transparent door. Panels are built to bespoke specifications and no panel is too large. Thermalec are pool people who build and design control panels specifically for the pool and spa trade.
SEKO’S STRONG DOSING CHARACTERISTICS Seko have been manufacturing automatic dosing systems for over 40 years and have achieved a leading position in the market. From a health, aesthetic and safety point of view, water quality is the vital characteristic in swimming pools and Seko systems deliver just that. These automatic systems make it possible to analyse the water and also to pilot the dosing units suitably in order to maintain optimum water quality. The ease with which the unit is calibrated and set protects the work carried out by both installer and end user in order to provide a service that fully complies with all relevant laws. Seko’s wide range of measuring and dosing systems provide ideal solutions in terms of type of measurement, dosing methods, and full compatibility with the widest range of products used for treating pool water. Seko dosing systems include:
• The PoolBasic Evo/Evo+/Professional Peristaltic pump dosing system with dosing proportional method to adjust the pH and ORP. Timed dosing adjustment method of flocculant.
• Kontrol Invikta Metering and control systems for pH or redox, with dosing pump. Proportional dosing.
• Kontrol 800 Panel Compact measurement systems for pH, redox, chlorine free and temperature, with RS485 Modbus RTU.
• Dynamik Digital peristaltic pump with constant rate or adjustable delay
The latest in the Seko stable is the Multi Parameter Controller with Four Simultaneous Measurements.
THE BENEFITS OF AMPEROMETRIC OVER REDOX Jimmy Lamb, National Sales Manager of Bayrol UK said: “When I first came into the pool industry in 1999 it wasn’t uncommon to find commercial pools and spas being controlled with equipment based on redox measurement. This is rare today and Bayrol only suggest redox based controllers (Pool Relax and Pool Manager) are suitable for use in the domestic environment. Redox based controllers do not give the operator a direct reading of what the actual free chlorine measurement is in the pool water. In basic terms, redox is a quality assessment of the water which is roughly translated into a free chlorine reading, they are slow to react with sudden changes in chlorine demand and are very pH dependant.
“The whole concept of having automatic control is to provide the operator with a system that constantly monitors the water and switches on appropriate water treatment chemical dosing pumps accordingly to maintain chlorine and pH values within predetermined set points. In busy commercial pools where redox is not up to the demands of the bather load, the operator would quickly lose faith in the system often having to recalibrate in an effort to achieve accurate results.
“Amperometric controllers (Compact and Analyt) are quick to react and tell you exactly what the free chlorine residual is in the water. Amperometric control is the minimum requirement in a commercial pool of any kind and is now the most common found in the commercial arena. Having said that I have recently noticed a number of pool contractors building high end domestic pools and installing controllers with amperometric measurement. “These companies have come to realise the benefits of amperometric over redox even in the domestic arena due to the reliability and low maintenance requirements.” spn
i FOR FURTHER INFORMATION
F AQUATROL ( 01444 401955 :
www.aquatrol.co.uk F BAYROL ( 01242 820969 :
www.bayrol.com F CPC ( 0871 222 9082 :
www.cpc-chemicals.co.uk F GAFFEY TECHNICAL SERVICES ( 01706 233627 :
www.gaffey.co.uk F PENTAIR ( +32 1425 9921 :
www.pentairpooleurope.com F PROMINENT FLUID CONTROLS UK LTD ( 01530 560555 :
www.prominent.co.uk F SEKO ( 01279 423550 :
www.sekouk.com F THERMALEC ( 01752 313343 :
www.thermalec.co.uk F TOPLINE ( 01323 440760 :
www.topline.uk.net
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