Viessmann WB2B 45 - DHW Storage Tank Information; Making the DHW Connections

Boiler Connections
20
Connections (continued)
DHW storage tank information
The DHW water tank sensor is required when using a stand-alone DHW storage
tank with the Vitodens 200-W WB2B heating boiler. It comprises the sensor only
required for the connection of a stand-alone tank. All other required piping
connections are field supplied.
See Vitodens 200-W WB2B
Start-up/Service Instructions
for applicable system coding
information.
Making the DHW connections
1. Connect field supplied nipples and
tees as shown for DHW supply and
return.
Apply sufficient amount of thread
sealant (supplied) when making the
connections.
*1
When using a low loss header in the
system, the DHW connections can
be made downstream of the low loss
header. See page 38 for a general
layout of the DHW piping. See
Vitodens 200-W WB2B Start-up/Service
Instructions for applicable system
coding information (see coding level 2
00: ...
A2: ...
5b: ...
Legend
DR Boiler heating return for domestic
hot water production 1¼” (field
supplied)
DS Boiler heating supply for domestic
hot water production 1¼” (field
supplied)
BWS Boiler Water Supply
BWR Boiler Water Return
5418 909 v1.6
Fig. 15
connections
(field supplied)
DS
DR
DHW
*1
2x
1.
BWR
BWS
IMPORTANT