Viessmann Vitocrossal 300 CA3 2.5 Installation And Service Instructions Manual page 190

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 buttons:
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 Not assigned
8 Behavior in case of low gas level
0 Reset all operating parameters to their factory
set condition.
190
(continued)
Process Information
Phase
Boiler water temperature
Secondary boiler water temperature
Ionization current
Set speed
PWM actuating variable
Actual speed
Gas pressure switch 1, GDW1
Gas pressure switch 2, GDW2
Air pressure switch 1, LDW1
Gas valve 1
Gas valve 2
" flashes.
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/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°F to 260°F (5°C to 127°C)
In K min from 1 to 255
0=minimum pause
1=integral method
--
0=delayed lockout fault shutdown
1= delayed safety shutdown
--
Factory set
condition
100%
0
--
203°F (95°C)
30 K min
1
--
0
--