220
8 CO/O
2
Control
Factory setting:
WARNING!
An incorrect setting can result in explosion.
This can result in severe injuries or death.
Note the adjustment instructions of the burner manufacturer with regard to the combus-
tion-related limit values.
Fig. 8-10 Correction with a spread factor of 20
Spread factor (P725 seq.)
Increase
Mode
Input
Neutral value
Correctional range*
20
2.0
+50 ... -50
0 % ... 100 %
50 %
P 705 ff.
Spread factor 10 Corresponds to 1.0 (i.e. no weighting)
Spread factor >10 Correction effect increases as the burner efficiency increases
Spread factor <10 Correction effect decreases as the burner efficiency decreases
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