5.3 Emissions measurement by chimney sweep or regulatory body
5.3.1 Preparing for the measurement
❒ There must be a suitable measuring port in the straight flue gas pipe for the
measurement. The measuring port must be twice the flue gas pipe diameter away
from the last upstream bend.
➥ If the measuring port is not correctly positioned, the measuring result will be
distorted
❒
Ensure that there is enough combustion air
❒ Prepare adequate fuel
❒ Ensure that there is adequate heat dissipation
❒ Clean the boiler thoroughly for the emissions measurement
5.3.2 General information on measurement
Observe the following basic conditions:
❒
Only use fuel permitted according to the operating instructions
➥ Ensure that the water content (w) is greater than 15% and less than 25%
❒ Use short split wood (edge length EL < 10 cm) to create the measuring conditions
and for the measurement itself
Short split wood with an edge length EL < 10 cm
The term “short split wood” has been defined in these
instructions by Froling; there is no fuel standard or similar
guidelines for this.
❒
The fuel must be dry, clean and uncontaminated (not painted, glued, etc.)
❒ The combustion process must not be interrupted during the measurement
Interruptions to the combustion process include:
- Opening the boiler doors
- Stoking the burning material
- Switching off the ID fan (e.g. because of inadequate heat consumption)
Boiler Servicing
5
Emissions measurement by chimney sweep or regulatory body
Operating Instructions S3 Turbo | B0610717_en 41
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