Boiler Connections; Preparing The Connections - Viessmann B2HB 45 Installation Instructions Manual

Vitodens 200-W B2HB 45, 57 Installation

Preparing the Connections

Legend
DR Boiler heating return for domestic hot water production
DS Boiler heating supply for domestic hot water production
BD Boiler Drain
BF Boiler Fill
BR Boiler Return
BS Boiler Supply
GC Gas Connection
PRV Pressure Relief Valve
*1 See page 40 for alternate DHW connection.
*2 Discard when using the multi-boiler distribution
manifold
*1 DHW
Connections
(Field Supplied)
Use an approved pipe sealant or teflon tape when
connecting the following installation fittings.
This section constitutes an overview only! Refer to
subsequent sections for detailed information on individual
piping connections.

Boiler Connections

11