Technical information

IFD 258 · Edition 03.08
17
Parameters4
Description Parameter Value range Factory default settings Adjustable*
Burner flame signal 01 0 – 25 μA
Burner switch-off threshold 04 2 – 20 µA 2 µA

1)
Burner restart 12 0; 1 0

2)
Safety time during operation for V1 and V2 t
SB
14 1; 2 s
3)
Burner safety time on start-up t
SA
22 3; 5; 10 s
3)
Last fault 81
Second to last occurring fault 82
Third to last occurring fault 83
…
Tenth to last occurring fault 90
1) Via potentiometer in lower section of housing.
2) Via switch in lower section of housing.
3) Quote in your order.
On parameterisation, ensure that the program sequence
matches the application. Select the parameters so that
the burner can be operated as intended in all operating
phases.
Scanning the parameters4.1
During operation, the 7-segment display shows the program
status.
The flame signal and all following parameters of the IFD can
be scanned one after the other by repeatedly pressing the
Reset/Information button (for 2 s).
In the event of a fault, the IFD halts the program run, the dis-
play blinks and it then displays the cause of the fault in coded
form.