Sime MIA-30, Инструкция для пользователя, по установке и обслуживанию

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6.14.2 SYSTEM Filling
Remove the front panel:
– remove the two screws (1), pull the front panel (2) forwards
and release it from the top by lifting it.
2
1
Fig. 37
Domestic hot water circuit:
– open the domestic hot water inlet isolation valve (4)
– open each of the DHW taps until air is expelled.
Heating circuit:
– open the isolation and air bleeding valves in the highest
points of the system
– loosen the automatic bleed valve (3)
– open the heating circuit isolation valves (8) and (9)
– activate the filling system "Method of filling a sealed sys-
tem", and fill the heating system until a pressure of 1-1.2 bar
is shown on the pressure gauge (5)
– stop the filling system
– check that there is no air in the system by bleeding all the
radiators and the circuit on the high points of the system.
Connect a suitable pipe and use the heat exchanger bleed
point (10) to vent the primary heat exchanger
3
8
5
4
9
Fig. 38
NOTE:
to completely remove all air from the system, it is rec-
ommended that this operation is repeated a number of times.
– check the pressure on the pressure gauge (5) and if neces-
sary 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.
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 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)
– close the automatic bleed valve (3).
3
8 7
5
4
9
Fig. 39