Soft wood
Hardwood
Long split wood
Short split wood
Long split
wood
Short split wood
w > 20%
w < 20%
w > 20%
w < 20%
w > 20%
w < 20%
w > 20%
w < 20%
PL
1
75-100%
PL
1
75-100%
PL
1
75-100%
PL
1
50%
PL
1
75-100%
PL
1
75-100%
PL
1
75%
PL
1
50%
SL
2
25-50%
SL
2
50-75%
SL
2
50-75%
SL
2
50-75%
SL
2
50%
SL
2
50-75%
SL
2
75-100%
SL
2
75-100%
1.PL = Primary air
2.SL = Secondary air
If you use wood briquettes for initial start-up (only permitted under certain conditions!),
you can use roughly the same settings as for short split hardwood.
The table shows the setting values for the manual controller of the air flap, which en‐
sures a smooth start-up. The setting values for the manual controller may need to be
changed during emissions measurements. For this reason, these values should not be
used as standard values for operating the boiler!
The terms used, i.e. “long split wood” (edge length EL > 10 cm) and “short split wood”
(edge length EL < 10 cm), have been defined in these instructions by Froling; there is
no fuel standard or similar guidelines.
❒ Open the insulated door and the fuel loading door
❒ Fill the fuel loading chamber for initial start-up and heat up
NOTICE! See boiler operating instructions
Tip: Line the first 20 cm of the fuel loading chamber with short split wood (edge length
EL < 10 cm). This reduces the time taken for a bed of embers to form.
NOTICE! The smaller the wood is cut, the faster a bed of embers forms
Once the bed of embers has fully formed, the combustion air can be readjusted if nec‐
essary after measuring the O
2
content:
5
Start-up
Initial startup
66
Froeling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.at
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