Technical data
15
5683 718 - 04
DHW Production
Domestic Hot Water Production
Vitodens 200-W boilers can be used in conjunction
with the stand-alone DHW storage tanks offered by
Viessmann. All Viessmann DHW storage tanks sold in
North America are available in “Vitosilver” finish only.
Size and select the DHW storage tank based on the
forecasted DHW consumption of the building in question.
For further technical information on DHW storage tanks,
see the Vitocell-V Technical Data Manuals.
Legend
DR Boiler heating return for domestic hot water
production
DS Boiler heating supply for domestic hot water
production
HR Heating Return
HS Heating Supply
BD Boiler Drain
BR Boiler Return
BS Boiler Supply
GC Gas Connection
PRV Pressure Relief Valve
BF Boiler Fill
PG Pressure Gage (not shown)
*1 See page 41 for alternate DHW connection.
*2 Discard when using the multi-boiler distribution
manifold
An adequately sized pre-charged expansion tank must be
used. See Installation Examples for details.
IMPORTANT
*1 DHW
Connections
(Field Supplied)
For the connection of a stand-alone DHW tank,
installation fittings (field supplied), an external circulating
pump for DHW production (field supplied) and a DHW
temperature sensor (optional equipment, see Viessmann
Price List for order information) are required.
Connections for model B2HA 100
Connections for models B2HA 112 and 150
Vitodens 200-W B2HA 100 to 150 Technical Data
*1 DHW
Connections
(Field Supplied)