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ULTRA VIOLET STERILISER 10Gpm – 15Gpm – 24Gpm. Sterilight – UV S12Q-PA 36-90 litres per minute  99.9% inactivation of even Giardia and Cryptosporidium.

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Presentation on theme: "ULTRA VIOLET STERILISER 10Gpm – 15Gpm – 24Gpm. Sterilight – UV S12Q-PA 36-90 litres per minute  99.9% inactivation of even Giardia and Cryptosporidium."— Presentation transcript:


2 Sterilight – UV S12Q-PA 36-90 litres per minute  99.9% inactivation of even Giardia and Cryptosporidium at rated flow.  Electronic ballast with audible alarm lamp failure with optional remote control  Compact design incorporating 304 stainless steel reactor chamber, 1” ports  Easy servicing – no need to disconnect water flow to change UV lamp  Up to 90 litres per minute and still achieve 99.9% destruction on most bacteria and viruses  Open end quartz sleeve and aluminum gland nuts for optimum operating temperature and sealing efficiency  Quick clip mounting brackets  Seven year warranty on reactor chamber  Five year pro-rata warranty on ballast  One year pro-rata replacement on UV lamp  Drain port for reactor chamber flushing

3 Ultra Violet Lamps  Disinfection using ultraviolet (UV) light is recognised as the ecological choice in disinfection techniques.  UV effectively destroys microbiological contaminants without adding anything to the water and creates no residual by-products.  It is recommended that no rural surface waters be consumed without adequate microbiological treatment, regardless of test results.  Ultraviolet sterilisers incorporate natural ultraviolet light energy to eradicate microbiological contamination.  High quality units are guaranteed to be virtually 100% effective against Spores, Algae, Moulds, Viruses, a wide range of Bacteria, and even Giardia and Cryptosporidium cysts.  Some UV units rely on 1micron filtration to reduce cysts – a less effective and unreliable method.  The Ultra violet unit has a stainless steel chamber and inside, a quartz sleeve -like a glass tube (that the UV bulb fits within), with the water swirling around it throughout the length of the unit.  The water enters near one end and exits near the other, treated and safe for use.  Usually 10 to 15 GPM units are recommended for domestic use.  An alarm will sound when the annual bulb change is due.

4 Ultra Violet Lamps  The stainless steel unit is usually mounted in the pump shed or where the water enters the home, so all water flows through the unit, thus every tap would be treated for microbiological contaminants, but this method of sterilisation requires very fine preliminary filtering.  Without adequate settling or preliminary treatment, sometimes the maintenance on the sediment filters can become too onerous, especially on rural surface supplies that are prone to discolouration after rain, from run- off water entering the source due to flooding.  Automatic backwashing control valves on media tanks filled with a new enhanced performance filtration media for sediment reduction, can dramatically reduce the suspended solids and organic material down to within 15 to 5 micron range.  There is absolutely no maintenance required to achieve this.  Any residual cloudiness in the water can prevent the transmission of the ultraviolet light through the passing water and so lessen the effectiveness of the treatment method.  A 5-micron filter cartridge is needed to ensure the water is clear enough for the Ultra Violet rays to penetrate the water to achieve the desired kill rates.  UV treatment does not reduce any chemicals or smell/taste.  These contaminants are of concern you may consider an additional ‘Big Blue’ housing fitted with a refillable carbon cartridge to treat all the water for the whole house, or an underbench water filter unit such as the “AQUA K” for food preparation, cooking and all drinks.

5 Installation and Water Flow  In areas prone to power surges, power outages or electrical storms, Surge protection devices or Uninterruptible Power Supplies (UPS) should be fitted.  If Mounting horizontally, flow can go either way but ports must be uppermost.  If Mounting vertically, flow must come in from the bottom port. In all cases, remember to leave room for the lamp and quartz sleeve to be extracted

6 Operational Maintenance and Monitoring UV has no residual effect – it only works while the organisms are in the reactive chamber  Upon commissioning, all downstream lines must be chemically disinfected  Thereafter, periodic chemical disinfection as least once every 3 months should be undertaken. UV dosage is effected by poor transmittance of the light or sediment in the water  Ensure all pre-filters and conditioners are sized appropriately and regularly checked and cleaned or replaced as necessary  Periodically check quartz sleeve and clean as necessary  Replace lamp every 12 months or 9000 hours UV effectiveness is directly related to dosage (i.e. Contact time or organisms to the UV light)

7 Installation

8 UV with Big Blue Filter Installation  A Single Big Blue with 5 micron pleated washable sediment filter prior or the UV Unit mounted vertically.

9 Large Surface Type Filtration  Pleated Polyester Reusable/Washable (for coarse dirt loadings).  20 micron, 5 micron & 1 micron.  Highly efficient filter cartridges made of pleated media for low pressure drop, high flow capability, increased dirt removal, long filter runs – which all adds up to the lowest cost per Litre filtered

10 Flow Rate and UV Dosage  The UV dose is approximately 5 times greater than is required to destroy E.coli

11 Specifications

12 Disinfection of Lines After the BB Housing and the UV Unit have been installed and are operating all downstream water lines must be disinfected. If preferred and to save disinfecting the whole tank, a generous quantity of bleach can be poured into the BB Housing. The Housing is then closed and water run through until chlorine is detected at each tap in the house. Close each tap and leave for as long as possible (preferably overnight) for the strong chlorine solution to disinfect all the water lines. Open the taps and flush out the chlorine solution, with the UV treated water. Calculating Your Tank Volume: Square Tank Volume in litres is equal to length x width x depth of water x 1000. (All measurements of tank dimensions should be made in metres).  For example, a cubic tank measuring 1m x 1m x 1m would have a volume of 1 x 1 x 1 x 1000 = 1000 litres. Circular Tank: Measure the diameter and the depth of water. The tank volume in litres is equal to 0.785 x diameter x diameter x depth x 1000.  For example a tank 1 metre in diameter and 1 metre deep would have a volume of 0.785 x 1 x 1 x 1 x 1000 = 785 litres. The disinfection Tables, can be used to calculate the amount of household bleach you would need.  For example, a tank with a volume of 1000 litres requiring 5 g/m³ for disinfection purposes needs 167ml of plain household bleach. An accurate measure, such as a graduated measuring container, should be used to measure the bleach. As a rough guide, cups are approximately 250ml and milk bottles 600ml. A 167 ml measure is approximately two thirds of a cup. After you have dosed your tank and mixed it well, the dosed water should be run through all your household lines so that the newly disinfected water comes through the taps.

13 Disinfection Table  To use Table 1. Calculate volume of tank in litres 2. Select dose rate required at top of the table: *1 g/m³ routine disinfection for clean water *2 g/m³ routine disinfection for reasonably clean water *5 g/m³ period disinfection for tanks and pipes *10 g/m³ superchlorination for biological contaminated tanks. Remove contamination, allow water to sit for 24 hours before drawing. Boil before drinking 3. Read the amount of sodium hypochlorite (in millimeters) to be added where the dose required corresponds to the volume of the tank 4. Add required millilitres of fresh plain household bleach and mix thoroughly.

14  For any further enquiries or information please contact:  Sue Kelly  E mail:  Free Phone: 0800 177 000

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