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UF SERIES WATER FILTRATION SYSTEM
14
P/N 1010827 Rev. D 04/06
START
Figure 14. Manual Flush
MAINTENANCE
Changing the Cartridges
While the filtration system is designed for long life,
eventually the cartridges will need to be replaced.
1. Open the faucet or tap closest downstream to the
filtration system.
2. Close the inlet water valve and allow the system
to depressurize.
3. Place a bucket under the strainer at the inlet
connection to the system. Open the strainer by
unscrewing the cap. Water will flow out of the
strainer as the system drains.
4. Press and hold the Start button to help drain the
system.
5. Reattach the cap on the strainer when the water
flow stops. Unplug the power cord.
8. Using a screwdriver, remove the screws from the
cartridge bracket and set the bracket and screws
aside.
9. Unscrew the cartridge end caps from the car-
tridge, being careful to retain the O-rings from
each cap. Set the O-rings aside.
10. Install a new cartridge to the system using the
cartridge bracket and screws saved from Step 8.
11. Connect the permeate port connection.
12. Inspect the O-rings to make sure they are clean
and are not splitting or cut. For all O-rings, make
sure they are lubricated with an approved food
grade lubricant acceptable for drinking water use.
13. For each end cap, position the O-ring between the
end of the cartridge and cap and screw the cap
onto the cartridge. Tighten with strap wrench as
necessary.
14. Follow the Flushing and Starting the System and
Sanitizing the System and Lines procedures in the
Installation section of this manual to complete the
cartridge change.
System sanitization
Over time and use, the plumbing downstream from the
system may require sanitization. It is recommended
that the system and downstream plumbing be sani-
tized at least once a year. When necessary, follow the
Sanitizing the System and Lines procedure in the
Installation section of this manual.
6. Using a strap wrench (up to 6” capacity), loosen
the top and bottom end caps. DO NOT remove
the top and bottom End Caps yet.
7. Disconnect the permeate port connection.
The filtration system is designed to require very little
maintenance. To ensure that the water is of the highest
quality, occasionally some service is required.
Checking the Timer Program
During normal operation, the system displays the time
setting for the Flush Interval Mode (FI) and the deci-
mal will flash in one second intervals. This is the time
between flushing, not a time of day setting.
Over time, it is possible that the time that the system
flushes occurs at a time of high water use. If this cre-
ates a problem, the timer can be reset by unplugging
the power cord, waiting for 5 seconds, and plugging the
power cord in again. The timer then begins timing from
the point power is restored to the system. Follow the
procedures within the Operation section of this manual
to check and set the timer settings.