5.2 Boiler operating statuses
Availability of the listed operating statuses depend on the set boiler type!
Preparation
The boiler is ventilated, the Lambda probe heated and the ash screws are switched on;
underpressure test.
Heating up
The stoker is filled with fuel and a quantity of fuel that can be ignited is pushed onto the grate.
Close BBF
The burn back protection system (burn-back flap) closes. (depending on the boiler type).
Pre-heating
The fan-assisted ignition switches on and the fuel is pre-warmed until a flame forms. For this
period infeed is deactivated.
Pre-heating – Ignition
Ignition
The fan-assisted ignition ignites the fuel. The flame is distributed throughout the entire
combustion chamber. Control of the induced draught fan and infeed for this operating status
are defined in the "Ignition" parameter menu.
Open BBF
The burn back protection system (burn-back flap) opens. (depending on the boiler type).
Heating
The boiler controller controls combustion according to the boiler setpoints.
Heating - Cleaning
The output of the boiler and the infeed unit are reduced and the grate is cleaned. After cleaning
the boiler output is increased again.
Empty stoker
The stoker is emptied according to procedure.
Awaiting shutdown
Safety time during which the residual material on the grate is burnt.
Fan run-on 1
1. Safety time during which the residual material on the grate is burnt.
Fan run-on 2
2. Safety time during which the residual material on the grate is burnt.
Stopped
The combustion process has ended.
Tip grate
The grate opens / closes a specified number of times.
Cleaning
The grate is tipped and the boiler is ventilated for 1 minute. The stoker switches on and the
ignition opening is cleared by blowing. The ash screw runs and the grate open / close twice the
specified number of times during the entire procedure. This operating status can only be
opened in "
Boiler off
" mode. The status that follows is “
Boiler off
”, and the boiler must
be activated by pressing the start key.
Standby
The boiler is ready to start and is waiting for a heat requirement (a start command).
Cleaning possible
Operating status for boiler cleaning tasks, which is activated after the service key has been
pressed and a cleaning cycle has been carried out. The grate is in open position, the tipping
grate and ash screw can be switched off and on manually.
Boiler off
The boiler controller now only controls the connected heating components. All parts of the
boiler are deactivated. Lambda probe heating remains active for 1 hour after the operating
status has been reached.
Fault
CAUTION - There is a fault!
TS (Troubleshooting)
If a fault occurs during heating (up), the boiler will switch to
“Troubleshooting”
status. In
this status the stoker is emptied at minimum fuel feed-in (Parameter: “
The time until the
stoker is empty is”
) whilst the ignition fan is active. The boiler then switches to
“Shutdown wait”
status and
“Tilt grate”
. It will remain in this status for at least 30 mins
depending on the boiler output, the fuel used and the parameters set.
FAQ
5
Boiler operating statuses
Service manual Lambdatronic H 3200 for wood chip boiler | B1480721_en
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