© 2015 Delta Ultraviolet Corporation All Rights Reserved Rev 01/16 P/N 94-35234 Page 17
G. FAQ
Here are a number of FAQ’s that will answer some of the most common questions.
Q-1: Is the Delta UV System Designed For Salt Water Use?
A-1: While the ability of the system is not affected by salt water, the harsh environment found in salt water
ponds and aquariums is not recommended for the DS Series units due to the
stainless steel inner
wrapper. However, the all plastic D-Series units are compatible with salt water environments.
Q-2: Do I Need To Turn My DELTA UV Unit Off When I Clean My Filter?
A-2: No.
Q-3: Will A Time Clock On My Pool Shorten My Bulb Life?
A-3: Some shortening of the bulb life can be expected when the DELTA UV unit is turned off and back on
frequently. A daily on/off cycle will not create a major bulb life issue however, frequent on/off cycles
should be avoided.
Q-4: Is There Any Residual Effect From UV?
A-4: No, UV light is used as a control and is applied only to the water that passes inside the DELTA UV wet
chamber in visual contact with the UV transmission from the UV bulb.
Q-5: Can The DELTA UV Unit Be Mounted Horizontally?
A-5: No, vertical mounting is required to maintain the weatherproof integrity of the electrical enclosure
bonnet.
Q-6: Can Multiple Units Be Used Together For Larger Systems?
A-6: Yes, you can add any number of DELTA UV units to a plumbing bypass manifold system to allow for
larger outputs and flow rates beyond the capacity of a single D-40 or DS-40 unit. Delta UV also
manufactures a large capacity system, the EM UV system that incorporates factory installed
hydraulically balanced piping and multiple tanks contained within a metal enclosure. The EM system
features the latest technology in high output UV bulbs, dubbed Amalgam bulbs. Contact Delta UV or
your supplier for information on the EM product line, or to obtain a drawing showing the proper method
of plumbing multiple DELTA UV units for larger applications.
Q-7: Can the Delta UV system be installed on a new or re-plastered pool immediately?
A-7: Yes, however the quartz tube may require cleaning more frequently due to conditions of water caused
by the conditioning of the plaster.
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