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B. Changing Filters
NOTE:
This R.O. System contains filters which
must be replaced at regular in ter vals to
main tain proper performance. Use only fac-
to ry ap proved filters.
Please see Page 1 for the recommended in ter val for
changing the filters. Local conditions may dictate more
frequent changes.
Use a drip pan to catch any water that may spill when
the Filter Housing are removed.
1) Close the Saddle Tapping Valve by turning fully
clock wise and open the Dispensing Faucet by lift-
ing the handle. Allow the Holding Tank to empty.
2) Loosen and remove the appropriate Filter Hous ing.
Discard the cartridge(s).
3) Wash the inside of the Housing(s) using a mild
de ter gent and a soft cloth. Do not use abrasive
cleaners or pads. Thoroughly rinse all soap from
the housing before reassembly.
4) To sanitize the system and replace the filter
cartridge(s):
NOTE:
The system should be sanitized before
installing the Ac ti vat ed Carbon Post
Filter Cartridge.
a) Use a good quality unscented 5-1/4% liquid bleach
such as Clorox.
b) Add one cap full of bleach (this is 2 tsp. or 10 ml)
to the Sediment Filter Housing. Install the Sed i-
ment Prefilter only. Check the Housing O-ring for
proper position in its groove, replace Sediment
Filter Housing on R.O. assembly.
c) If your R.O. system has a Pre Carbon Filter Hous-
ing, add one cap full of bleach. Care ful ly fill the
housing with tap water and temporarily install the
housing, without the Activated Carbon Pre Filter.
d) Add one cap full of bleach to the Activated Carbon
Post Filter Housing. Carefully fill the housing with
tap water and temporarily install the hous ing,
without the Ac ti vat ed Carbon Post Filter.
e) The Dispensing Faucet should be open, slowly
open the Saddle Tapping Valve on the Feed
Water Line.
f) As soon as water begins to drip out of the
Dis pens ing Faucet, close the Faucet.
g) Let the system stand for 15 minutes.
h) At the end of 15 minutes, in the following order,
close the Saddle Tapping Valve, close the Hold-
ing Tank Valve and open the Dispensing Faucet to
release the pressure.
i) Remove the Post Carbon Filter Housing and emp ty
(Repeat procedure if your system has a Pre Carbon
Filter Housing). Remove any wrapping/pack ag ing
from carbon cartridge (s) and install in hous ings.
Check the O-ring to insure that it is po si tioned
properly in its groove and replace Housing(s) on
R.O. unit.
j) Disconnect the yellow product water tubing that
runs from the Holding Tank. Put 50 drops of bleach
(this is 1/2 tsp. or 3 ml) into the tubing and recon-
nect it.
k) Slowly open the Saddle Tapping Valve. When wa-
ter begins dripping out of the Dispensing Fau cet,
in the following order, close the Faucet and then
open the Holding Tank Valve.
l) Do not open the Faucet for at least 8 hours.
m) Discard the first two full tanks of water produced,
they will contain chlorine.
n) When the Faucet is first opened, expect air and
carbon fines (very fine black powder), from the
new carbon filter (s) to be rinsed out. This is nor-
mal for the first tank of water.
SECTION VII: Technical Data
A. Water Quality
1) Water quality is normally measured with a special
meter that measures the water abil i ty to conduct
electricity. The more dissolved solids in the water,
the higher the conductivity. The results are usu al ly
re port ed in Parts per Million (ppm) or Mil li grams
per Liter (mg/l) of Total Dissolved Solids (T.D.S.).
(Al though technically they are not ex act ly equal, in
most discussions ppm = mg/l.)
2) R.O. Membranes are rated by the amount of
dis solved solids that are rejected. This rating is
a ratio of the T.D.S. in the product water and is
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