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Viqua (Trojan) UVMax Frequently Asked Questions

How do I size the Viqua (Trojan) UVMax disinfection system to meet my flow rate requirements?

The flow rate is generally determined by your pump's rated output and the maximum flow rating for the equipment preceding the UV equipment, including water treatment products, as well as the flow capacities of your water using fixtures. Typically, the size of the home and the number of occupants dictate the size of the UV system required.

GUIDELINE ONLY

For Point of Use (single faucet) applications, flow rate is calculated using the following procedure:

  1. Make sure that no water is running in the house.
  2. Open a single faucet completely and measure the time needed to fill a one gallon (U.S.) container (3.785 litres).
  3. Divide 60 (seconds) by the fill time to calculate the flow rate (eg. 30 second fill time, 60 divided by 30 is 2, therefore the flow rate is 2 GPM).

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How much power does a Viqua (Trojan) UVMax sterilizer consume?

The size of the UV system will determine the electrical power demand. Viqua (Trojan) UVMax whole house UV systems are rated from 43-102 watts of energy (similar to a 100 watt light bulb), which reflects the maximum power at lamp start-up. The continuous energy consumption tends to be 75-80% of the rated power. The Viqua (Trojan) UVMax electronic ballast runs at a lower operating temperature and is more energy efficient than competitor's electromagnetic ballasts.

Where should I install the Viqua (Trojan) UVMax system?

The UV system must be situated in line after all other water treatment equipment. The water entering the UV system must have the highest obtainable optical clarity. Filters must be placed upstream of the UV system, as they can be a potential breeding site for microbes.

What type of pre-treatment equipment should be installed?

Sediment filtration down to a level of 5 microns to remove suspended solids would be the minimum pre-treatment prior to the UV system. A carbon filter will remove organic compounds present in the water that may or may not be visible to the eye. Organic compounds absorb UV energy, which reduces the efficiency of the system. Carbon filters can also improve the aesthetics of the water by reducing unwanted taste and odor.

Do the distribution lines need to be shocked?

Yes. After installing the UV system, it is important to remove any contamination that may already be present in the lines. The can be accomplished by removing the cartridge from the sediment pre-filter and filling the housing with standard household chlorine bleach. Reconnect the filter housing and allow the water to flow to all points of use throughout the house until you can smell the bleach. For best results, allow the bleach to contact the pipes for 2 to 4 hours. Afterwards, it is important to flush the pipes completely before consuming any water. A similar process is recommended as part of the regular annual maintenance.

Should I turn off the UV system when I am not using water?

No. The Trojan UVMax, like all other ultraviolet treatment systems, is designed to operate continuously. If the system is turned off, it may be possible for bacteria and viruses to migrate through the water chamber and contaminate the distribution lines past the UV system. In addition, the life of the lamp and ballast may be reduced as a result of frequent starting and stopping.

Does the lamp/sleeve require cleaning?

Yes. Iron and other contaminants present in the water will precipitate onto the outside of the integral sleeve during normal operation. It is recommended to use Lime Away or CLR and a soft, lint-free cloth to remove any coatings adhering to the sleeve. The lamp iteself is protected by the sleeve and does not require cleaning.

Typically, cleaning 3-4 times a year is normal, but is dependent on the quality of the process water. If the process water entering the UV system is sufficiently filtered, then the cleaning requirement could be less frequent. If your UV system is equipped with an ultraviolet sensor, it is designed to notify you when the intensity of the lamp has been reduced due to the sleeve fouling or lamp aging. It should be noted that the viewing window on the sensor is made of quartz, which is also susceptible to fouling.

What happens to the LED counter if I have a power failure?

Trojan designed the LED with computer chips which keeps a memory of the lamp elapsed time during power outages.

If you did not find the answer to your question here, please call us toll free at 1-866-376-2690 or email us at info@home-water-purifiers-and-filters.com (Contact us).