Viessmann VITOCROSSAL 200 CM2 Service Instructions For Contractors page 36

Burner control unit
Burner control unit
Configurations:
Menu Description
point
5 Changeover from the operating display of the
burner control unit phase to other process in-
formation
6 Configuration of control function operating pa-
rameters
Menu point "5" is used to display the following process information:
Sub-menu point
0
1
2
3
4
5
6
7
8
9
A
B
Example: To display the ionisation current, press the
following buttons:
1. S longer than 2 s, " " flashes.
2. until "5" is shown under Service.
The following operating parameters can be changed under menu point "6":
Sub- Parameter
menu
point
1 Maximum operational output
2 Gas type
3 Not assigned
4 Not assigned
5 Not assigned
6 Not assigned
0 Reset all operating parameters to the
factory setting.
Example: To reduce the maximum operational output,
press the following buttons:
1. S longer than 2 s, " " flashes.
2. until "6" is shown under Service.
36
(cont.)
Process information
Phase
Not assigned
Flue gas temperature
Ionisation current
Set speed
PWM variable
Actual speed
Gas pressure switch 1
Gas pressure switch 2
Air pressure switch
Gas valve 1
Gas valve 2
Unit/scale
1
—
°C
I in 1/10
%
%
n in 10/min
0 or 1
0 or 1
0 or 1
0 or 1
0 or 1
3. S "5" is displayed under Status.
4. until "3" is shown under Service.
5. S "3" is shown under Status; under Service the ion-
isation current is shown during operation (e.g.
30 = 3.0 A).
µ
Unit/scale
% of rated output
0 = NG (natural gas)
1 = LPG (liquid gas)
—
—
—
—
3. S "6" is displayed under Status.
4. S "1" is shown under Status and the current value
for the maximum operational output in % is
shown under Service.
A
μ
Delivered condition
100 %
0
—
—
30 K min
—