Multi Boiler Systems; Special Considerations For Multi Boiler Systems - Viessmann VITODENS Series Operating Instructions Manual

Multi boiler systems

Special considerations for multi boiler systems

In systems with several boilers (multi
boiler systems), each boiler is equipped
with its own control unit. These control
units are regulated by a higher control
unit. Make the required settings (e.g.
room temperature) at the higher control
unit.
Operating instructions
of the higher control unit
Boiler number
In multi boiler systems, each boiler con-
trol unit indicates the boiler number on
the standard display.
Example:
Boiler number "3"
3
Boiler number "3" has been blocked by
the higher control unit.
0
3
26
°C
4 8
Operating program
■ " " for frost protection monitoring
(standby mode):
By selecting the operating program
" ", you shut down the respective
boiler individually.
Boiler frost protection monitoring is
active.
■ " " for DHW heating (summer mode):
You cannot set operating program
" ".
Room temperature/heating flow tem-
perature
You cannot adjust either room tempera-
ture or heating flow temperature.