Lamtec ETAMATIC, Manual, Page: 49 / 136

48
6 O2-Control
NOTICE!
The neutral value is obtained from the selected correction mode:

+50%/-50%

neutral value 500 = 50% correction mode

+60%/-40%

neutral value 600 = 60%
The following approximate overall picture results for burner output:
Fig. 6-4 factory settings
Parameter Factory Settings
901/902 Base value for “Deactivated O
2
trim” = 300
917/918 Base value for "Air deficiency” = 150
No FMS ETA Short Text Description Min Max Default
897 1 1 O2Stoer Safety shut-down by O
2
controller / CO controller
allowed? (0-never, 1-when insufficient air)
0 1 0
In case of a fault of the O
2
trim, the O
2
trim will be deac-
tivated. Depending on the cause, the defined correction
value for "deactivated O
2
trim" or "air deficiency" will be
output. The burner does not shut down (content 0).
You can pre-selected, if the burner should shut down in
case of the fault "air deficiency" (content 1).
898 0 0 O2-TotZ Dead time of O
2
controlled system 3 40 15
Dead time of the O
2
controled system in seconds

Expected values for 2 / 3 -passboiler: 12 seconds
899 0 0 O2-P-Fak O
2
P-Term 1 50 5
Set the P-term in that way, that the set point value /
actual value deviation of 1...2 vol.% is regulated in 4...6
steps without overshoot.

Setting pulses too short - increase the P-term.

Overshoot - reduce P-term