Viessmann Vitocrossal 200 CM2 500 Service Instructions Manual page 52

Burner Control Unit
Burner Control Unit
Configurations:
Menu item Description
5 Changeover from the operating display of the burner control unit phase to other process information
6 Configuration of control function operating parameters
Menu item "5" is used to display the following process information:
Sub-menu Item
0
1
2
3
4
5
6
7
8
9
A
B
Example: to display the ionization current, press the
following keys:
1. S longer than 2 seconds "
2. until "5" is shown under Service.
Y
3. S "5" will be displayed under Status
4. until "3" is shown under Service.
Y
5. S "3" is shown under Status and during operation
the ionization current is shown under Service
(e.g. 30 = 3.0 μA).
Menu item "6" is used to change the following operating parameters:
Sub-menu Parameter
Item
1 Maximum operational input
2 Gas type
3 Not assigned
4 Maximum boiler water temperature
5 Integral threshold value of controller
6 Runtime optimization
7 Motorized vent damper
0 Reset all operating parameters to their delivered
condition
52
(continued)
Process Information
Phase
Boiler water temperature
Flue gas temperature
Ionization current
Set speed
PWM manipulated variable
Actual speed
Gas pressure switch 1
Gas pressure switch 2
Air pressure switch
Gas valve 1
Gas valve 2
" flashes.
Vitocrossal 200, CM2 400, 500 and 620 Service
Units/Scale
1
°C
°C
I in 1/10 μA
%
%
RPM x10/min
0 or 1
0 or 1
0 or 1
0 or 1
0 or 1
6. To exit the process information menu, press and
hold S longer than 2 seconds "_" flashes.
7. until "5" is shown under Service.
Y
8. S "5" will be displayed under Status
9. until "0" is shown under Service.
B
10. S to change to the operating display.
Units/Scale
% of rated input
0=NG (natural gas)
1=LPG (liquid propane gas)
--
from 41 to 260°F (5 to 127°C)
In Kmin from 1 to 255
0=minimum pause
1=integral method
0=without damper
1=with damper
--
Delivered
condition
100%
--
203°F (95°C)
30 Kmin
1
0
--