38
– check the pressure on the display, or on the pressure gauge,
and, if necessary, top up until the correct pressure reading
appears
– close the automatic bleed valve (3)
– fill the siphon by disconnecting it from the pipe or using the
smoke take-off point.
Refit the front panel of the boiler hooking it on at the top,
pushing it forwards and securing it with the screw (1) which
was removed previously.
6.14.3 EMPTYING operations
Domestic hot water circuit:
– close the domestic hot water circuit isolation valve (4)
– 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 (8) and (9)
– 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).
8 7
5
4
9
3
Fig. 42
To Next Page
Loading...
