Burner Adjustment When Connecting Multiple Flues To A Shared Flue System - Viessmann VITODENS 100-W Installation And Service Instructions Manual

Further details regarding the individual steps
r r
Burner adjustment when connecting multiple flues to a shared
flue system
When connecting several
Vitodens 100-W to a shared flue system:
Adjust the burner setting of each con-
nected boiler by a correction factor to
match it to the flue system.
System conditions:
■ Shared flue in shaft 7 100 mm
■ Balanced flue connection line from
boiler to shaft 7 80/125 mm
Commissioning, inspection, maintenance
(cont.)
3. Within 2 s, turn rotary selector "tr"
to the top right range.
"r" appears on the display and the
set value in % of maximum speed
flashes.
4. Change the maximum speed with
rotary selector "tw".
5. The change has been programmed
when the value stops flashing. The
control unit returns to standard
mode.
6. Reset both rotary connectors to their
required set values.
■ Minimum shaft cross-section
– Square 175 x 175 mm
– Round 7 195 mm
■ Minimum height between floors 2.5 m
■ Max. 6 boilers with the same rated
heating output connected to the
shared flue system
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