Technical data

Vitorond 200, VD2A Technical Data
5354 787 - 01
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Boiler Control
Boiler Control Alternatives (continued)
Custom control panels
For single-boiler or multiple-boiler installations:
Custom control panels for residential or commercial
applications are designed and manufactured by Viessmann
to suit any customer’s specific requirements. Custom
control panels can have features such as pool heating,
hot tub heating, snow melting, telephone tie-in,
integration with Building Management Systems, as well
as several other functions. Please inquire.
Legend
A Up to 4 boilers with a Vitotronic 100, GC1/GC1B
B Outside temperature sensor
C Vitocontrol control panel with Vitotronic 300-K,
MW1S/Vitotronic 300-K, MW1B
D Flow temperature sensor
Vitocontrol equipment for multiple-boiler system
Note:
The control of the Vitorond 200, VD2A boiler can
be mounted either on the left- or right-hand side of
the boiler.
Please specify control location at the time of order.
Vitotronic 100, GC1/GC1B
*1
- Electronic boiler control unit
- For two-stage or modulating burners
- Optional communication via LON
Vitotronic 300-K, MW1S/Vitotronic 300-K, MW1B
*1
- Weather-compensated cascade control unit for multi-
boiler systems with up to 4 boilers with the Vitotronic
100, GC1/GC1B
- For up to 2 heating circuits with mixing valves
- With time switch offering individual and 7-day programs
- Programming unit with plain text prompts
- With DHW thermostat
- With control unit for DHW primary systems with mixing
valve assembly
- With lead boiler selection
- Optional communication via LON
- With integral diagnostic system and additional functions
- A function extension to default a set system flow
temperature via a 0-10 V input can be connected
(accessories)
An extension kit is required for each heating circuit with
mixing valve.
*1
See respective product manuals for details. Please
inquire with your Viessmann Representative for further
assistance.