Smeg WO-01 manual Replacing the pre-filter, Replacing the membranes

4. Maintenance

The osmosis treatment unit runs completely automatically and maintenance is minimal. The only essential operation is periodic replacement of the filter cartridges.

IMPORTANT

Replace the pre-filter every 3000 hours of operation and AT LEAST 1 time a year.

Pre-filter Membrane

Replacing the pre-filter:

Filter cartridge replacement procedure

-Shut off power;

-Close the side cocks (RL);

-Vent the circuit from the top cap (S);

-Unscrew the filter housing (use the special wrench supplied in the accessories bag). Place a container to drain the water in the filter into;

-Fit the new cartridge and check it is correctly seated;

-Close vent S and open the side cocks RL;

-Check for leaks and water in the bottom of the appliance;

-Dry it off thoroughly.

Replacing the membranes:

Cartridge replacement procedure.

-Shut off power;

-Disconnect all hoses from the membrane housings, unscrew the base, and place a container to catch the water contained in the cartridges;

-Refit the membrane, check the seating of the o-ring and screw the housing fully in; reconnect the hoses and make sure they are correctly seated;

-Do not apply excessive force;

-Fit the new cartridge and check it is correctly seated;

-Start the unit up and check for leaks.

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