GE PNRQ21LBN - Manual (Page 19)

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Sanitizing the Reverse Osmosis System
Sanitize upon installation of the Reverse Osmosis
system and after servicing inner parts, including
replacement of prefilter, postfilter and the
membrane cartridge.
Be sure to wash your hands before handling
inner parts of the system.
CAUTION:
Before sanitizing, be sure to
remove all cartridges. Chlorine will destroy the
Reverse Osmosis membrane cartridge.
1. Follow steps 1 through 4 under Prefilter,
Postfilter and Reverse Osmosis Membrane Cartridge
Replacement Procedure.
2. Fill the empty canister labeled “Sanitization
Canister” with water to within 1 inch of the
upper opening. Add 1 oz. (2 Tbsp.) ordinary
household bleach. Install canister into the
prefilter canister position by turning to the right
about 1/3 turn until the alignment marks line
up and the canister stops.
3. Install the two additional “sanitiziation canisters”
into the membrane canister and postfilter
openings in the manifold by turning to the right
about 1/3 turn until the alignment marks line
up and the canister stops.
4. Turn ON water supply. Turn ON faucet until
water begins to flow from the faucet, then turn
faucet OFF. Allow system to fill for 10 minutes.
5. Turn faucet ON and allow water to flow for 20
minutes, or until bleach odor is gone. Turn OFF
water supply again. Turn ON faucet to drain
the system.
6. Once the system is drained, turn the faucet OFF
and remove the canisters by turning to the left
about 1/3 turn. Keep these in a safe place until
needed the next time.
19
Sanitization
canisters
Prefilter
position
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