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Maintenance
PREFILTER / POSTFILT
PREFILTER / POSTFILTPREFILTER / POSTFILT
PREFILTER / POSTFILTER MAINTENANCE
ER MAINTENANCEER MAINTENANCE
ER MAINTENANCE
Replace the battery, prefilter and postfilter cartridges at
least every 6 months of product water use. Replace
more often if they begin to plug with sediment.
The prefilter and postfilter are replaceable sediment
cartridges with activated carbon in their composition.
You must periodically replace the prefilter and postfilter
cartridge. This will protect the RO membrane from
being destroyed by chlorine. It will also prevent the
filters from plugging with sediment. You may notice a
slower output of product water as the prefilter and
postfilter build up with sediment. Replace the prefilter
and postfilter cartridges when this occurs. You should
replace the battery whenever you replace the
cartridges.
RE
RERE
REVERSE OSMOSIS
VERSE OSMOSIS VERSE OSMOSIS
VERSE OSMOSIS MEMBRANE CARTRIDGE M
MEMBRANE CARTRIDGE MMEMBRANE CARTRIDGE M
MEMBRANE CARTRIDGE MAINTENANCE
AINTENANCEAINTENANCE
AINTENANCE
The reverse osmosis cartridge is a tightly wound special membrane. The membrane reduces the dissolved solids
and organic matter. The life of the reverse osmosis membrane cartridge depends mostly on the pH and hardness of
the supply water (see Specifications). Cartridge life is shorter with higher pH. For example, if supply water pH is from
6.8 to 7.7, the cartridge may last for well over one year. However, cartridge life may be as short as 6 months if the
pH is as high as 8.5 to 10. Higher pH weakens the cartridge membrane and causes pin-hole leaks. It is time to
replace the reverse osmosis cartridge when the production rate and/or quality of product water drops. Product water
may begin to taste different, indicating solids and organics are passing through the reverse osmosis membrane.
R
RR
RE
EE
EVERSE OSMOSIS CARTRI
VERSE OSMOSIS CARTRIVERSE OSMOSIS CARTRI
VERSE OSMOSIS CARTRIDGE RE
DGE REDGE RE
DGE REPLACEMENT
PLACEMENTPLACEMENT
PLACEMENT
Complete the following steps to replace the cartridges:
1.
Remove (turn to the left) the prefilter cartridge from the manifold to stop flow to the reverse osmosis
cartridge.
2.
Remove the reverse osmosis cartridge.
3.
Remove the postfilter cartridge.
4.
Discard the cartridges in a proper manner.
5.
Install new cartridges in reverse order (post filter, reverse osmosis, prefilter). Turn cartridges to the right
to reattach to the filter heads. Do not overtighten.
6.
Remove and replace the timer battery.
7.
Purge the reverse osmosis system.
PRE
PREPRE
PREFILTER / POSTFILTER
FILTER / POSTFILTER FILTER / POSTFILTER
FILTER / POSTFILTER CARTRIDGE RE
CARTRIDGE RECARTRIDGE RE
CARTRIDGE REPLACEMENT
PLACEMENTPLACEMENT
PLACEMENT
Complete the following steps to replace the cartridges:
1.
Remove the prefilter cartridge (turn to the left) from the filter head. Then remove the postfilter cartridge.
2.
Discard the cartridges in a proper manner.
3.
Install new cartridges in reverse order (postfilter first, then prefilter). Turn cartridges to the right to
reattach to the filter heads. Do not overtighten.
4.
Remove and replace the timer battery.
5.
Purge the Reverse Osmosis system.
Post-Filter
RO MembranePre-Filter
(18 pages)
(7 pages)
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