Smeg WO-01 - Manual (Page 10)

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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.