HDG Compact 25, Operation Manual, Page: 126 / 188

6 Using the heating system – Structure of the menus
126
4-22 Control
R-2 Flue gas fan
Minimum
( 40) 40%
• Rpm flue gas fan
For minimum primary air volume.
(0 - 100 %)
4-23 Control
R-2 Flue gas fan
Maximum
( 70) 70%
• Rpm flue gas fan
For maximum primary air volume.
(0 - 100 %)
4-24 Control
R-3 O2 setpoint for
comb. chamber min
( 8.0) 8.0%
• Residual oxygen preset value
For minimum combustion chamber temperature.
(0.0 - 21.0 %)
4-25 Control
R-3 O2 setpoint for
comb. chamber max
( 8.0) 8.0%
• Residual oxygen preset value
For maximum combustion chamber temperature.
(0.0 - 21.0 %)
4-26 Control
PID_3 O2
Amplification (P)
( 10.0) 10.0%
• Amplification factor for residual oxygen
For “Combustion control” or “Combustion and output
control” mode.
4-27 Control
PID_3 O2
Lag time (I)
( 86.0) 86.0s
• Lag time for residual oxygen
For “Combustion control” or “Combustion and output
control” mode.
4-28 Control
PID_3 O2
Advance time (D)
( 0.0) 0.0s
• Advance time for residual oxygen
For “Combustion control” or “Combustion and output
control” mode.
4-30 Control
PID_3 sec. air
O2 Minimum
( 10) 10%
• Secondary air volume minimum value
Depends on residual oxygen.
(0 - 100 %)
4-31 Control
PID_3 sec. air
O2 Maximum
( 100) 100%
• Secondary air volume maximum value
Depends on residual oxygen.
(0 - 100 %)
4-32 Control
O2 fuel change
Cycle time (TS)
( 5) 5s
• Cycle time
When PID_3 has reached its limit value, the fuel quantity
in the set cycle time is increased or decreased in percen-
tage increments. (see
4-33
and
4-34
)
No. Display Description
Table 6/6 - System level / 4 - Control