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Burner operating cycle
To view the burner cycle, press the information sign 3 times
Code Explanation
0 Boiler at rest (no load)
1 Start up has failed
2 Burner fan starts up
3 Air purge
4 End of pre-ventilation period
5 Ignition
6 Flame established
10 Space heating established
11 Domestic hot water established
12 Both space heating & domestic hot water established
20 End of cycle
22 Position 0
99 Lock-out condition
4.6. Adjust the Settings
The obtain the best operation of the boiler,
the parameters must be adjusted by the commissioning engineer
or the installer, but must not be available to the owner.
The boiler has a parameter - P plus three numbers - which is exhibited
by touching one vertical arrow or the other, then saved by touching the vertical .
the vertical arrow once more
.
For a routine service engineer, the vertical arrows should be pressed
together to open up the programme and similarly closed - when the
P number becomes an H number