© 2015 Delta Ultraviolet Corporation All Rights Reserved Rev 01/16 P/N 94-35234 Page 13
E. START-UP
Start the circulation pump.
Drain all air from your system through the air relief valve on the filter (if so equipped).
Check DELTA UV Unit For Leaks – Make one final check for leaks in your piping, accessories, and
under the electrical enclosure bonnet. If any water leakage under the DELTA UV unit’s electrical enclose
bonnet is suspected (water dripping from under side of the bonnet), disconnect the DELTA UV unit
immediately, remove the bonnet and verify that there is either no leakage or stop the leakage of the quartz
tube gasket. If quartz tube leakage is encountered follow the instructions in Sections through and through
to remedy the situation before applying electrical power to your DELTA UV unit.
Check the chemical balance of your swimming pool (particularly pH, TAC*, and TH*). Adjust the
chemical balance as per your pool chemical supplier's
instructions. - Remember, the DELTA UV unit
dramatically reduces the need for chemical sanitizers, but does not eliminate the need for proper pool
chemical balance.
Reminder: Your Delta UV
does not eliminate the need for
proper pool chemical balance.
F. UV LAMP REPLACEMENT & QUARTZ TUBE MAINTENANCE
The DELTA UV unit requires very little maintenance during the year. The UV bulb in the DELTA UV
unit is placed inside a quartz tube to protect the bulb from the water in the DELTA UV unit’s wet chamber.
This quartz tube can have its ability to transmit the UV rays from the bulb through the quartz tube
diminished if the quartz tube becomes dirty or laden with deposits. The quartz tube should be removed
from the wet chamber every six (6) months and inspected to make sure it is clean and that deposits are not
attached to the quartz tube. To remove the quartz tube, you should follow the steps shown below.
Reminder: Do not touch the UV bulb glass with your bare hands
That can shorten its life. Grasp the bulb on the white ceramic prong end or use a soft clean
cotton cloth or clean cotton gloves to handle the UV bulb. (If you have touched the bulb with
your bare hands, you must wipe the bulb glass off with spirit vinegar using a clean soft cotton
cloth).
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