Point2 ver. 4
3. The display changes. The second line
O2ratioCon
shows current residual oxygen
level. Wait until the level stabilizes, and corresponds with ratio curve level. The
burner control uses this level when calculating O
2
trim control settings.
Confirm the selection by pressing
Enter
.
Point22 ver. 4
4. The display changes. The third line shows the current residual oxygen level. The
pointer is on
StandardVal
. Reduce the air by pressing the
Select -/+
buttons, if
necessary. A larger number at this point means larger without air throttle. When
desired oxygen level is reached, press
Enter
.
Point23 ver. 4
5. The display changes.
Save or reject by pressing
Enter or Esc
.
Point24 ver. 4
At curve point 2, and at the highest curve point, the burner control calculates PID
parameters, and time delays for O
2
monitor by driving the burner back to ratio
curve. After that the display returns to initial state.
Select next curve points from the menu by pressing the
Select -/+
buttons, and
set O
2
setpoints from them. If flue gas speed in ratio curve point 2 is too low, O
2
monitoring set value calculation does not succeed. The burner control notifies this in
the operating and display unit.
O
2
monitoring first point can be set later using the parameter
Adapt.Pointsmall
.
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