Viessmann Vitocrossal 200 CM2 186 Service Instruction page 45

Vitocrossal 200 CM2 186 to 311 Service
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
*1 Not available for all boiler types, check at control unit if required.
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
Example: to set the maximum operational burner input to between 0 and 100%, press the following buttons:
1. S longer than 2 seconds " " flashes.
2. until "6" is shown under Service.
Y
3. S "6" will be displayed under Status and the current
value for the maximum operational output in % is
shown under Service.
(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 *1
" flashes.
Units/Scale
1
*1 °C
*1 °C
I in 1/10 μA
%
%
RPM x10/min
0 or 1
*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
--
4. for required maximum operational output.
Y B
/
5. S to confirm. If applied successfully, "1" will be
shown under Service, "0" if it failed.
6. S to change to the operating display.
7. R to reset unit and apply settings.
Burner Control Unit
Delivered
condition
100%
--
203°F (95°C)
30 Kmin
1
0
--
45