31
10
Fig. 33
– check the pressure on the display and if necessary top up
until the correct pressure reading appears
– close the automatic bleed valve (3)
– it is recommended that the condensate trap is filled prior to
fitting the flue, by carefully pouring water into the exhaust
connection.
6.15.2 EMPTYING operations
Domestic hot water circuit:
– close the domestic hot water circuit isolation valve (4)
– open one or more than one hot water taps and drain 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).
3
8
4
9
7
Fig. 34
