User manual

APPENDIX B – MAINTENANCE
20
REPLACING THE
FILTERS
Resin filter cartridge
For filters replacement follow the procedures reported below.
See Figures O, P:
1. Turn off MILLDROP, remove the mains cable and disconnect pipes and cable from
the use side (sterilizer, feeding tank or drawing tap).
2. Turn off the tap feeding the water to MILLDROP.
3. Remove the screws (1) and take off the lid (A).
4. Remove the screws (2) and take off the side panel (B) (if possible).
5. Lift and extract the filters assembly (C) from its bearings, disconnect pipes Ø8 (3 and
4) from the fitting on both ends of the resin filter cartridges.
6. Replace both cartridges, taking care to insert them in the correct position and with the
labels “FLOW” on the right-side (Fig. P).
NOTE
T
O DISCONNECT THE PIPES FROM THE FITTINGS, PULL OUTWARDS WHILE KEEPING
PRESSED THE FITTING LOCK RING
.
C
3
4
Figure O
Figure P
7. Reconnect the pipes respecting the original positions, open the tap feeding the
MILLDROP.
8. Modify the wire connection on the terminals board as described in the procedure for
the purging of the hydraulic circuit (see Fig. F), direct the silicone pipe connected to
the fitting C on the demineralizer back panel into the sink; insert the mains cable, turn
on the equipment and let the water to drain for about 5 minutes.
9. Restore the electric connection on the electronic board and the lids.