Viessmann Vitodens 200-W B2HA 88 Technical Data Manual page 46

Installation Examples
Alternative DHW Connection
The following piping diagram reflects an alternative connection for the DHW tank only and applies to system layouts
2, 5, 6 and 8. The boiler control pump logic function must be programmed in the Service Instructions.
46
Vitodens 200-W B2HA 88-150, 311- 530 Technical Data
*Note: When using a low loss header in the system, the
DHW connections can be made downstream of
the low loss header. See Vitodens 200-W B2HA
Service Instructions for applicable system coding
information (see coding level 2):
00: ...
A2: ...
5b: ...