Membrane Replacement; Sanitization - BWT ECOSOFT ROBUST 1000 Installation Und Betriebsanleitung

INSTALLATION AND OPERATION GUIDELINES FOR REVERSE OSMOSIS SYSTEMS ECOSOFT ROBUST1500 ECO,
ROBUST MINI ROBUST 1000, ROBUST 1500 / 1500 ЕС, ROBUST PRO / PRO EC, ROBUST 3000 / 3000 EC

6.3. MEMBRANE REPLACEMENT

(Performed by water filter service specialist)
1 Shut off feed water valve, close pressure tank valve if used.
2 Open purified water faucet to relieve pressure in the system. Remove power from the system.
3
Unplug tube from each membrane housing cap. Screw off the housing caps. Extract used
membranes from membrane housings and take note of their orientation inside the housings.
4
Install new RO membranes in housings observing proper orientation of each.
CAUTION! Do not remove plastic bag when installing membrane. Make a cut in the
head end of bag and push the membrane out of the bag into the housing. Do not touch
membrane surface with your hands.
5 Screw on membrane housing caps.
6 Plug tubes back in the housings.
7
Open feed valve. Restore power supply to the system.
8 Let the system run for 30 minutes to flush out membrane preservative. Then, close purified
water faucet and open pressure tank valve if used.

7. SANITIZATION

Sanitization of the reverse osmosis system is recommended after it has been in operation for an
extended period (over 6 months) or when the system is to be shut down for 3 weeks or longer. It is
also advisable to sanitize the system when replacing filters. It is recommended to use tablets based
on active chlorine for sanitization.
Sanitization is performed by water filter service specialist.
1
Shut off feed water valve and tank valve if used.
2 Remove and discard the pre-filter and post-filter replacement elements.
3 Unscrew cap of RO element housing and remove RO element using needlenose pliers if
necessary. Put the membrane into a tight bag and store in refrigerator at +2...+5°C.
4 Screw back pre-filter sumps, screw on membrane housing cap, and connect the tube from
the faucet directly to the union tee without post-filters.
5 Put a chlorine tablet in the 1st sump. Fill the sump with water and screw on.
6 After 15 minutes, open the drinking water faucet and feed valve.
7
When water running from the faucet starts to smell like chlorine, close both the faucet and feed valve.
8 Leave the system for 2-3 hours.
9 Open clean water faucet and feed water valve and let water run until bleach odor is gone.
10 Install all consumable parts back into the system. Open tank valve if used and feed water valve.
11 Drain water until chlorine odor cannot be smelt.
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