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Ultra Violet Light
Properly sized UV sterilization for bacteria and viruses in your supply.
General
Ultraviolet sterilizers are widely known for their ability to kill bacteria and viruses in water. They do this by passing UV energy through the water that disrupts the cells of the bacteria and effectively kills it. To do this the light energy must be strong enough to penetrate through the bacteria or virus and this of course requires a clear enough water supply to allow the light to penetrate.
Note: Having a water analysis done by qualified water treatment professional is essential to determine the levels of the following factors effecting the usage and ability of a UV system. They will properly size the system so it ensures a total elimination of pathogens in your water.
UltraViolet Transmittance
The water supply needs to be measured for its ability to allow UV energy to penetrate it. This is called ‘Transmittance’, and can be measured with a UVT meter. This reading is a must when assessing which type and size of ultraviolet system to install.
Water temperature
The colder the water temperature the less output the UV light system has. It is therefore a must to have a system with a quartz sleeve that the UV bulb sits in. This maintains an even temperature around the bulb and allows for constant output regardless of water temperature.
Particulate
All water has some colour or cloudiness although it can be hard to notice in a glass. Particulate in the water is relatively small. Particle sizes can be much smaller than the width of a human hair, or less than 20 microns. This means that they float in the water easily and must be filtered out before the UV light is applied. UV energy can only penetrate 10 microns into a solid substance. Therefore all particulate larger than this must be removed.
Turbidity
Generally when measuring turbidity a column of water is used against a scale, (on the bottom) and this gives you a reading of turbidity. Most UV systems are specified at a transmittance of greater than 95%. This would be the equivalent of very high quality water containing no sediment, iron, and very little dissolved hardness; much like reverse osmosis or distilled water. In normal circumstances ground water has a transmittance between 65 and 75% due to contaminants that are present. This means that the intensity of the UV system, (or output) must be increased or the contaminants must be removed.
Iron
A common contaminant in ground water iron in concentrations of as little as 0.2 mg/l can cause problems for a UV system. Iron tends to absorb the UV light and therefore it cannot penetrate to bacteria should the iron particles be large enough for the bacteria to ‘hide’ behind. High levels of iron can cause fouling of the quartz sleeve therefore not allowing the energy to pass through the water. Removal of iron can be accomplished by an iron filter or properly sized water softener.
Hardness
Levels of hardness in excess of 150 mg/l can be problematic for a UV system. The hardness deposits scale on the quartz sleeve because of the heat generated by the bulb. This then effectively keeps the energy from passing through the water and again not reaching the bacteria. High hardness in the water can result in frequent cleaning of the sleeve being required. It is best to remove hardness before hand with a good water softener.
This UV system has higher output, (40mj/cm2) at flow rates of 32, 48, 60 litres/min. An integrated processor driven ballast controller gives the adaptability to adjust easily to any need.
Accessories include low voltage lock out solenoid and alarm, and special teflon encased UV sensor to inhibit fouling.
Ultra Violet by UV Dynamics
The UVDynamics model UVD320 is applicable to point of
entry applications in today’s larger homes and cottages. The 
model UVD320’s 30mj/cm2 dose at 10gpm is ideal for general disinfection. The compact mounting footprint of the
model UVD320 facilitates simplified installation.
Model UVD320 was designed using sophisticated computer modeling software and then verified by independent third party testing using accepted biodosimetry methods by GAP
EnviroMicrobial Services.
The microprocessor controlled UV power source is
designed for long life and includes both visual and audio
lamp failure alarms as well as an annual lamp change
timer. Our proprietary UV power source and modern
manufacturing methods allow us to make this product
available at a very competitive price.
We include as a standard feature an isolated low voltage
solenoid drive output. Our optional solenoid valves simply
plug into the unit and require no additional interface
cables or transformers to complete the solenoid safety
shut off feature.
PRODUCT FEATURES
♦ Flow rate of 10gpm (37L/min) delivers
UV dose of 30mj/cm2
♦ Flow rate of 8gpm (30L/min) delivers UV
dose of 40mj/cm2
♦ Passivated and polished 304 stainless
steel reactor 3.5” x 18”
♦ 9000hr long life coated UV lamp
♦ Microprocessor controlled UV power
source with audible and visible lamp
failure alarms
♦ True Lamp Current closed loop current
control
♦ Annual lamp change timer
♦ Lamp life remaining feature
♦ ¾” MNPT fittings
♦ Domed quartz sleeve to simplify StandardSeriesOverview
servicing
♦ No Tools required for regular servicing
♦ Easy-service lamp connector
♦ Optional Solenoid valve
♦ Optional UV monitor system
Luminor Ultraviolet Systems
519-523-9015
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