Boiler Control Alternatives
VITOROND 200, VD2A
15
Boiler Control Alternatives
(continued)
Vitocontrol equipment for multiple-boiler system
Vitotronic 100, GC1
– Electronic boiler control unit
– For two-stage or modulating burners
– Optional communication via LON
Vitotronic 300-K, MW1
– Weather-compensated cascade control unit
for multi-boiler systems with up to 4 boilers
with the Vitotronic 100, GC1
– 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.
Legend
A
Up to 4 boilers with a
Vitotronic 100, GC1
B
Outside temperature sensor
C
Vitocontrol control panel with
Vitotronic 300-K, MW1S
D
Flow temperature sensor
Custom control panels
For single- 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.
Please 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.
5
3
5
4
7
8
7
v
1
.2
Fig. 10
A
B
C
D
D
