Viessmann Vitodens 111-W, Installation And Service Instructions Manual

Page: 26 / 60

26
To match the burner output to the system flue pipe
length, a correction factor can be set.
0 1. Tap MODE .
0 2. / repeatedly until CONFI flashes.
0 3. OK to confirm.
"P" is displayed in the l.h. display area. The r.h.
display area flashes.
0 4. Use / to select "12".
0 5. OK to confirm.
"1" flashes in the l.h. display area.
0 6. Use / to select "3".
0 7. OK to confirm.
The selected correction factor flashes in the r.h.
display area.
0 8. Refer to the following table for the correction factor
required for the connected flue system.
0 9. Use / to change the correction factor.
10. OK to confirm. The selected value is adopted.
Correction factor 0 1 2 3 4 5 6
Flue system Rated heat-
ing output
(kW) Max. pipe length (m)
Open flue operation
7
60 mm 26 3 12 15
— — — —
35 4 9 15 22 25
— —
Room sealed operation
7
60/100 mm
coaxial
26 2 6 11 16 20
— —
35 2 5 8 12 16 25
—
Open flue operation
7
80 mm 26 16 25
— — — — —
35 11 25
— — — — —
Room sealed operation
7
80/125 mm
coaxial
26 5 20 25
— — — —
35 5 13 22 25
— — —
Burner adjustment when connecting multiple flues to a shared flue system
When connecting several Vitodens 111-W to a shared
flue system:
Adjust the burner settings of each connected boiler by
a correction factor to match it to the flue system.
System conditions:
■ Shared flue in shaft
7
100 mm
■ Balanced flue connection pipe from boiler to shaft,
7
80/125 mm
■ Minimum shaft cross-section
– Square: 175 x 175 mm
– Round:
7
195 mm
■ Height between floors min. 2.5 m
■ Max. 6 boilers with the same rated heating output
connected to the flue system
0 1. Tap MODE .
0 2. / until CONFI flashes.
0 3. OK to confirm.
"P" appears in the l.h. display area. The r.h. dis-
play area flashes.
0 4. Use / to select "12".
0 5. OK to confirm.
"1" flashes in the l.h. display area.
0 6. Use / to select "4".
0 7. OK to confirm.
"0" flashes in the r.h. display area.
0 8. Refer to the following tables for the correction fac-
tor required for the flue system.
0 9. Use / to set the correction factor.
10. OK to confirm. The selected value is adopted.
Commissioning, inspection, maintenance
Matching the burner output to the flue system
5697789