27
COMMISSIONING AND MAINTENANCE
3
COMMISSIONING AND MAINTENANCE
3.1
Preparing for initial startup
The boiler must be started up for the first time by the manufac-
turer's Technical Assistance Service.
Perform the following checks before starting up the boiler:
− Check that the fuel shut-off cock and heating system
shut-off cock are open
− check that the central heating circuit pressure gauge
shows a pressure over
1,5 bar
with the system cold. Check
also that the circuit is properly de-aerated
20
100
4
40 60 80
3 2 1
0
0
120
− Check that the expansion vessel is correctly pre-charged
− the electric connections have been made correctly
− the flue gas vent pipe and comburent air intake pipe
conform to applicable standards.
3.2
Initial startup
Once you have completed all the checks listed above, proceed as
follows to start up the boiler for the first time:
− turn the boiler’s mains power switch ON
− Set the room thermostat to the required temperature (~
20°C) or, if the system has a timer or timer-thermostat,
make sure that this is switched “ON” and adjusted to the
required temperature (~ 20°C).;
− Open the control panel access door;
− Adjust the boiler and storage cylinder thermostats to
about the middle of the section with three lines;
− Turn the Summer/Winter selector to (II) Winter;
20
40 60 80
100
4
3 2 1
0
0
120
20
40
60
80
100
0
120
− turn the function selector to (
I
) ON and make sure that
the green power indicator lights.
20
100
4
40 60 80
3 2 1
0
0
120
The boiler now starts up and the burner remains lit until the
temperature setpoint is reached.
3.2.1
Ignition failure
If any ignition errors or malfunctions occur, the burner enters
“LOCKOUT”. This is shown by the red button light on the burner
and by the warning light on the control panel.
4
3 2 1
0
0
120
9
If a “LOCKOUT SHUTDOWN” occurs, wait about 30 seconds be-
fore resetting the burner.
