User manual

APPENDIX B – MAINTENANCE
22
Active carbon filter
See Figure R
NOTE
B
ESIDES THE ACTIVE CARBON FILTER, REPLACE ALSO THE OSMOTIC MEMBRANE.
1. Turn off MILLDROP and remove the mains cable.
2. Proceed as the resin filters replacement and extract the whole filters assemble from
its bearings.
3. Disconnect the elbow Ø10 (1) and the “T” Ø10 (2) fitting from the carbon filter
cartridge (A) and replace it.
4. Refer to Fig. Q on the previous page, and replace the osmotic membrane.
5. Reconnect the pipes respecting the original position.
NOTA
T
O DISCONNECT THE PIPES FROM THE FITTINGS, PULL OUTWARDS WHILE KEEPING
PRESSED THE FITTING LOCK RING
.
Figure R
6. Modify the wire connection on the terminals board as described in the procedure for
the purging of the hydraulic circuit (see Fig. F), disconnect the pipe from the input
resin filter fitting (see Fig. G) and perform the purging for 10 minutes.
7. Restore the hydraulic and the electric connections, and replace the cover.
8. Check the quality of output demineralized water (see table).
A
B
1
2