Sita 405, Руководство пользователя, Страница: 14 / 16

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Only original replacement parts from the supplier must be used. The following are the recommended
service intervals for replacement parts:
UV lamp change - once per 365 days.
UV quartz sleeve clean - frequency depends on the quality of the water.
O-ring for quartz sleeve-once per year.
Procedure for the UV lamp replacement (365 days max.)
1) disconnect the electrical box from the electrical grid
2) lift the cover slightly turning, carefully loosen the electrical 4-pins connection, and extract the
lamp from the quartz sleeve
3) remove the lamp from the packing, handling it carefully by its ends
4) insert the new lamp into the quartz sleeve of the UV System
5) connect the lamp to the electrical connection and put again the cover
6) connect again the equipment.
Note: for the replacement of the lamp it is not necessary to turn water off
Procedure for the quartz sleeve cleaning
1) disconnect the electrical box from the electrical grid and turn off water
2) remove the lamp, as for the replacement
3) unscrew the sleeve-bolt and extract the quartz sleeve with care
4) clean the quartz sleeve by wiping it with a cloth soaked with an acid solution such as
vinegar or lemmon
5) reassemble the sleeve being sure to center the guide-spring fixed on the bottom, put the o-ring
on the quartz sleeve, then tighten the sleeve-bolt; place the o-ring in the seat of the sleeve-bolt,
insert the sleeve inside it, till it leans, then screw on the S/S chamber.
6) turn on water checking for eventual leaks
7) remount the lamp, its electrical connection and cover
8) turn on the sterilizer.