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Installation Examples
System Layout 10
Vitodens 200 (model WB2 11-44 and up) with...
– DHW storage tank
– low-loss header
– multiple heating circuits with a mixing valve
AV
PRV
TPV
O
Y
P
When designing a system as illustrated above, please contact
your local Viessmann Sales Representative for assistance.
42
M
M
~
~
AV Air vent
PRV Pressure relief valve
TPV Temperature and pressure relief
valve
Vitodens 200 gas-fired condensing
boiler with Comfortrol programming
unit for weather-responsive operation
and Viessmann 2-wire BUS expansion
module
Outdoor temperature sensor of
control unit for weather-responsive
operation
Primary pump (boiler circuit, field
supplied)
M
~
Vitocontrol
Mixing valve temperature sensor
Heating circuit pump (field supplied)
Accessory kit for heating circuit with
mixing valve
Heating circuit with mixing valve
Temperature sensor for low-loss
header
Low-loss header
DHW circulating pump (field supplied)
DHW tank temperature sensor
O
DHW storage tank
P
Expansion tank
*1
Contact your local Sales Representative
for details.
IMPORTANT
Pumps
and
Vitodens 200 boiler (as illustrated).
*1
must pump into the
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