Sanitization; Pressure Tank Sanitization - Ecosoft Robust Installation And Operation Manual

Instruction manual for ECOSOFT Robust reverse osmosis system

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. Sanitization is best performed with chlorine tablets.
Remove electrical power from the system. Shut off feed valve 5 and close tank
1
valve (if pressure tank is used) after first draining all water from the tank.
2 Extract and dispose of spent prefilters and the postfilter (see filter replacement
procedure).
3 Extract the reverse osmosis membranes, put them in tight plastic bags and store in
a fridge with an ambient temperature of +2...+5 °С. Do not touch membrane when
removing, use pliers for holding it.
4 Screw back on 2
5 Put a chlorine tab in the first prefilter housing. Fill with water and screw it back on
filter head.
6 Let stand for 15 minutes, then open feed valve and purified water faucet, and plug
in the mains.
7 When water coming out of purified water faucet starts smelling like chlorine, close
purified water faucet. Open tank valve slightly and let the tank fill with water. Wait
until the system switches off automatically when the tank becomes full.
8 Let the system stand for 2-3 hours.
9 Open purified water faucet and let water out until chlorine smell disappears
completely. Then, close feed valve and remove power.
10 Install filters and membranes in their housings.
11 Open feed valve and restore power supply. Drain first 1-2 tankfuls of water if some
chlorine odor remains.

7.1 PRESSURE TANK SANITIZATION*

1 Remove electrical power from the system. Shut off feed valve 5.
2 Open purified water faucet 8 and let all water go out of the tank. Remove power.
3 Close tank valve.
4 Extract prefilters and the postfilter from the housings as when replacing.
5 Screw back on 2
6 Disconnect from permeate collector tee (on top of system frame) tube running to
pressure tank port in the port rack. Unplug tube from 2
outlet, and connect the permeate collector tube instead.
This manual is the intellectual property of, and copyrighted by ECOSOFT SPC LLC. Copying and reprinting is forbidden. © 2015
nd rd
and 3 filter housings (middle and rightmost ones).
nd rd
and 3 filter housings (middle and rightmost ones).
nd
prefilter housing water
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