5.5.2 Performing the emissions measurement
Create the measurement conditions and perform the measurement
❒ Fill the boiler approx. 1/4 full with small pieces of split wood in accordance with the
operating instructions and heat up
➥ TIP: The smaller the wood is split, the better and faster the bed of embers
forms
❒ Ensure that the operating conditions are fulfilled
➥ Return temperature min. 60 °C, boiler temperature min. 70 °C, chimney
draught in the range of 8-10 Pa
❒ Allow the fuel to burn off until a basic firebed is achieved
➥ This will take at least one hour depending on the fuel used and the power
consumption
❒ Open the fuel loading door, distribute the embers evenly with the furnace tool and
gauge the height of the embers
➥ The top row of holes in the combustion chamber guards must be visible
❒ Close the fuel loading door
Once the basic firebed has been achieved (top row of holes visible in the combustion
chamber guards, the two lower rows of holes of the combustion chamber guards are
covered with embers):
❒ With the doors closed, press the chimney sweep button (boiler with button display)
or activate chimney sweep function (boiler with touchscreen)
➥ The boiler temperature setpoint will be automatically set to 85°C for 45 minutes
➥ All of the configured heating circuits will be activated at maximum flow
temperature for 45 minutes
❒ Open the fuel loading door and fill the boiler with the maximum permitted amount
of fuel
➥ If the boiler has activated reload calculation, the amount of fuel required will be
shown on the screen
❒ Close the doors and wait approx. 10 minutes until the combustion process is
under way
❒ Take the measurement at the designated measuring port
➥ The ready-to-measure state is shown on the display
➥ Regularly check the that the conditions are stable:
- Boiler temperature > 70 °C
- Flue gas temperature around 170 °C
Start emissions measurement
❒ Activate the “Chimney-sweep mode” icon
❒ Select the sub-item “FW nominal load” from the menu
➥ The display will indicate that the boiler is ready for measurement as soon as all
the conditions for the measurement are fulfilled
5
Servicing the system
Emissions measurement by chimney sweep or regulatory body
44
Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com
