Boiler Connections
38
Installation Examples (continued)
Vitodens 200-W, WB2B (alternate 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 Start-up/Service Instructions. .
M
5
1
2
5
PRV
TPV
Alternative
location
of the expansion tank
Fig. 32
*
*
*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 WB2B
Start-up/Service Instructions for
applicable system coding information
(see coding level 2):
00: ...
A2: ...
5b: ...
5418 909 v1.6
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