5.2 Initial startup
5.2.1 Permitted fuels
Wood chips
Criterion
ÖNORM M 7133
CEN/TS 14961
Description acc. to
ÖNORM M 7133
Water content
W20
M20
air-dried
W30
M30
suitable for storage
W35
-
limited suitability for stor‐
age
W40
1)
M40
high-moisture wood chips
Size
G30
P16A / P16B
fine wood chip
G50
P45A
medium-sized wood chip
1.partial load conditions only to a limited extent
NOTICE! In case of operating under partial load conditions and fuels with a water con‐
tent of >W35, power consumption of less than 65% of the nominal output is not per‐
mitted!
EU:
Fuel acc. to EN 14961 - Part 4: Wood chips class A2 / P16A-P45A
Additional for
Germany:
Fuel class 4 (§3 of the First Federal Emissions Protection Ordinance
(BimSchV) - applicable version)
Wood pellets
Wood pellets made from natural wood with a diameter of 6 mm
EU:
Fuel acc. to EN 14961 - Part 2: Wood pellets class A1 / D06
and/or:
Certification program EN
plus
or DIN
plus
General note:
Before refilling the store, check for pellet dust and clean if necessary.
Wood shavings
Wood shavings generally cause problems with combustion. Therefore their use is per‐
mitted only with authorisation from Froling. The following additional points also apply:
▪ Sawdust and carpentry waste should only be used with systems with a rotary
valve.
▪ The store should be fitted with a pressure release device in accordance with re‐
gional regulations.
▪ The same limits apply for the permitted water content of sawdust as for wood
chips.
Note on standards
Note on standards
Commissioning
5
Initial startup
Installation Instructions | M0650314_en
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