10) Open the feed water valve and open the RO faucet until water flows freely from the spout. Close the RO
faucet. Hold the disinfectant solution in the RO system, including the tubing and faucet, for a minimum of
10 minutes. Open the tank ball valve.
11) Shut off the feed water valve and open the RO faucet. Let water run out until the flow stops at the RO
faucet.
12) Open the feed water valve. Let water flow freely from the faucet for three minutes. Shut off the water at the
source water supply with RO faucet open.
13) When the flow of water has stopped at the RO faucet, remove the filter housing sumps and membrane
housing from the RO system. Replace the filters and membrane according to the service life.
14) Replace the housings on the RO system. Open the source water valve and allow the water to flow from
the faucet.
•
Because some of the disinfectant may still be in the system, the system should be flushed prior to
using the water human consumption.
•
A maintenance record should be kept for the RO system, including information about the
replacement parts, when service was performed, and by whom.
CLEANING PROCEDURES - CONTINUED
14
