Matching The Burner Output To The Flue System - Viessmann VITODENS 111-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Matching the circulation pump rate to the...
100
B
90
A
80
70
60
50
-25 -20 -15 -10
Outside temperature in °C
Fig. 18
Max. speed 26 kW
A
Max. speed 35 kW
B
Min. speed
C
Changing the maximum speed
Only when operating with an outside temperature sen-
sor.
1. Tap MODE.
2. / until CONFI flashes.
3. OK to confirm.
"P" is displayed in l.h. display area. The r.h. display
area flashes.
4. Use / to select "12".
5. OK to confirm.
"1" flashes in l.h. display area.

Matching the burner output to the flue system

To match the burner output to the system's flue pipe
length, a correction factor can be set.
01. Tap MODE.
02. / until CONFI flashes.
03. OK to confirm.
"P" is displayed in l.h. display area. The r.h. dis-
play area flashes.
04. Use / to select "12".
05. OK to confirm.
"1" flashes in l.h. display area.
24
C
-5 0 5 10 15 20
(cont.)
25
6. Use / to select "6".
7. OK to confirm.
The selected max. speed in % will flash in the r.h.
display area.
8. Use / to change the speed value.
Max. speed and setting range are subject to appli-
ance-specific parameters.
9. OK to confirm. The selected value is adopted.
06. Use / to select "3".
07. OK to confirm.
The selected correction factor flashes in the r.h.
display area.
08. Refer to the following table for the correction factor
required for the connected flue system.
09. Use / to change the correction factor.
10. OK to confirm. The selected value is adopted.