Multi-Boiler Systems; Special Considerations For Multi-Boiler Systems - Viessmann VITODENS 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 4 8
è
s
p
Boiler number "3" has been blocked by
the higher control unit.
0
3
26
Heating program
■ " " for frost monitoring (standby
mode):
By selecting the heating program " "
you individually shut down the respec-
tive boiler.
Boiler frost monitoring is active.
■ " " for DHW heating (summer mode):
You cannot change the " " heating
program.
Room temperature/heating flow tem-
perature
You cannot adjust either room tempera-
ture or heating flow temperature.
°C
A