71
EN
6.13.2 EMPTYING operations
Domestic hot water circuit:
– close the domestic hot water circuit isolation valve (prear
-
ranged in installation)
– open one or more than one hot water valve to fill and bleed the
domestic hot water circuit.
Boiler:
– loosen the automatic bleed valve (3)
– close the heating circuit isolation valves (prearranged in instal
-
lation)
–
check that the filling valve (4) is shut-off
– connect a rubber hose to the boiler drain valve (7) and open it
– when it has fully emptied, close the drain valve (7)
– close the automatic bleed valve (3).
4
3 7
Fig. 38
To Next Page
Loading...
