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SANITIZING
THE SYSTEM
FOR MODEL
PNRV18
Sanitize upon installation of the Reverse Osmosis system and after
servicing inner parts of the Reverse Osmosis system, including
replacement of prefilter, posffilter and Reverse Osmosis cartridge.
It is important to wash hands with anti-bacterial soap before handling
inner parts of the system.
A CAUTION:
ffiustallingunitinNewCoustruction, eusure
house plumbing is flushed thoroughlybefore opening the water supply
valve.Also, before sanitizing, be sure to remove all cartridges us follows.
Chlorine will destroy the RO cartridge.
I. Be sure lhe water supply valve to tile Reverse (-_mosis systeIll is
turned
offand
the RO water faucet is open.
,allow the system
to drain
completely
(this takes several minutes).
2. Place a dry towel under
unit. ReInove lhe clmnp retainers
and
clamp
sections
frol]l top of unit.
3. Lift the Rever_
Osmosis
cap slraJght tip (a slight resistance
is normal)
froIn the Reverse Osmosis
housing
(no need
to
discormect
lubing)
and move aside.
NOTE:If the cap o-dog seal remained in the RO housing,replace it
on the cap.
4. Remove the RO cartridge and outer prefilter cartridge from 1he
RO housing
and place in a clean plastic bag. Disix)se of water
froln
lhe
RO housing.
Fill the RO housing
wilh flesh cold water, to about
1" from the
rap. Add one ounce
(2 Tbsp.)
of ordinary
5.25% household
chlorine
hleach
and mix into tile waten DOnot add chlorine first.
Concentrated
chlorine
llaay damage
plastics.
6. Replace RO cap, widl the o-ring, and install the clamp
retainers.
Z (:lose the red taa_k shumffvalve mid disconnect postfiher a/
dm lailk shutoff *_alve.Connect tim RO product water robing
(discormect at electronics box) directly m tile tank shutoff
valve, isolating the carbon postfilter as shown in Fig. 15B.
8. Open the red tank shulv)ffvalve and dm water supply valve m
the Reverse Osmosis system. LMlow system m fill fi,)rone minute.
Now open lhe RO water faucet, locking the lever upw,,rd against
lhe slxmt.
9. Allow water to flow through
the Reverse Osmosis
system unlll
all the bleach
odor is gone
(approxiInately
20 Ininutes).
IO. Turn off'the water supply valve to the Reverse Osmosis
system.
(:lose the RO water faucet _Mq_ER the water flow slops.
11. (:lose the red tank shumffvalve. Disconnect the water product
line from the red tank shumffv'alve and connect m the
electronics box. Reconnect posttiher line m red tank shutoff
valve. Open red rank shumffx_ve.
12. a. Repeat steps two and three. Be carefial of water in tim
RO housing. Disix)se ofwamr.
b. Replace
the RO cartridge
with tim o-ring seal downward
mid tim prefilter
cartridge
wifll "this side up" facing upward.
Be sure hands have been cleaned with an anti-bacterial soap.
C.Repeat step 6.
Vacullm
relief
valve -
end
Posdilter
line _
RO housing
retainers
(2)
Clamp
•sections (2)
shutoff _'alve
_&te
F
tubing
Automatic
shutotf
i
d)ly
Tank
shutotf
valve
Fig. 15B
Connect RO water robing
to tank shutoIt valve
Disconnect
postfilter
*Electronic_
box
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