Hydrotech PURA Ultimate 19-GU-PURA Operation Manual - Manual (Page 15)

MAINTAINING ANd SANITIZING THE PURA ULTIMATE
Prepare the Unit for Sanitization
1. Turn OFF the red switch on the back of the unit and unplug the power cord.
2. Turn OFF the water supply.
3. Twist-off the drain caps on the back of the PURA Ultimate. Drain the unit completely and replace the caps.
4. To access the filters if installed, undo the screws and release the clips located in front of the lower front panel.
Remove the panel to gain access to interior of unit.
5. Remove and dispose of the old filters.
6. Open the top cover and remove the UV lamp by unplugging the UV wire connectors and carefully pulling the
lamp straight up.
7. Unscrew the UV retaining nut and remove the Quartz Sleeve by pulling straight up. Clean the Quartz Sleeve
and remove any surface lime scale that may have adhered to the sleeve surface. Check the black O ring for
signs of deterioration and replace if necessary.
NOTE All personnel should be aware of company requirements for their own cleanliness and hygiene
when servicing and sanitizing a unit.
The PURA Ultimate model must be sanitized every 12 months, when taste concerns arise, or after
boil water alerts are lifted.
Every 12 months, the filters and UV lamp should be changed.
Units in dusty or high use locations may need more frequent servicing.
The unit should not be exposed to direct sunlight, heat sources or where temperatures are above
90°For below 37°F. do not clean with a water jet.
A unit with the hot water option may require removing any calcium build-up inside the hot tank,
depending on local water conditions and the type of water treatment.
Latex gloves must be used when handling the filters, UV bulb, quartz sleeve or any components
that have contact with the drinking water.
15