Emptying The Water Circuit - Beretta NOVELLA 24-31-45 RAI Installation Manual

3.10

Emptying the water circuit

- Turn the electricity supply off by switching
the boiler's mains power switch and con-
trol panel switch OFF (0) before starting to
empty the boiler (fig. 3.17).
- Make sure that the water circuit shut-off
cocks are closed.
- Connect a rubber hose to the hose union on
the boiler's drain cock and open the cock
(fig. 3.18).
20
Fig. 3.17
Fig. 3.18