Unit off
Indicates the state when the boiler unit is switched off.
Burning phase
Describes the phase where logs catch fire and flue temperature is adjusted.
High running phase
Covers the phase where the boiler stabilizes combustion and achieves minimum temperature.
Control phase
Details the phase of actual boiler control, including output and combustion regulation.
Ready
Indicates the state when maximum boiler temperature is reached and the boiler is off.
New start-up
Covers the process of re-stabilizing combustion when flue temperature is too low.
Re-heating
Describes the safe operation procedure for reheating the boiler with a larger amount of logs.
Chimney sweeper
Explains the test mode for chimney sweepers to perform measurements using rated output.
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