Sanitizing the System, For Model PNRV18, Shutoff alve

SANITIZING THE SYSTEM

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.

ACAUTION: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. LMlowsystem 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-ringseal 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.

FOR MODEL PNRV18

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