Froling FHG 20 - 5.1.5 Operating modes

Boiler Control System Lambdatronic S 3200
Page 50
M1060008_US v
5
5.1.5 Operating modes
Heating up
Mode of Boiler Control System during the heating process up to a certain
minimum flue gas temperature. Induced Draft Fan and primary air at
100%.
In case of requested fueling wait for operating mode “Heating” or “Off”
Heating
The Boiler Control System controls combustion according to the boiler
set points. If refueling required refer to Error! Reference source not
found. Error! Reference source not found.
Slumber
Very low heat consumption.
When the set point of boiler temperature is exceeded by a specified
value, the Boiler Control System switches to “Slumber” mode. The
Induced Draft Fan stops, the air dampers are closed to the minimum
opening.
If the temperature falls below the set point of boiler temperature the
Boiler Control System returns to “Heating” mode”.
Do not open Boiler Doors! Do not refill fuel!
Door open
The Insulation Door is open, the Induced Draft Fan runs at maximum
speed.
On closing Insulation Door properly the operating mode has to change to
“Heating up” mode. Follow instructions mentioned there.
If operating mode does not change to “Heating up” refer to Error!
Reference source not found. Error! Reference source not found.
Off
The fuel wood loaded is burnt down to residual embers.
If operating mode is “Off” a “Cold Start” procedure (fueling and ignition)
has to be carried out. Please refer to Error! Reference source not
found. Error! Reference source not found.
Fault
Alarm: Combustion was stopped by overheat thermostat (safety
temperature limiter - STL)! Error message pending!
Do not open Boiler Doors! Do not refill fuel!
For procedure for error messages refer to Error! Reference source not
found. Error! Reference source not found.