Viessmann VITODENS 343-F WS4A Installation And Service Instructions Manual page 16

Installation sequence
Fitting the connections
Solar circuit connection
A Solar flow (Multi-connect system)
B Solar return (Multi-connect sys-
tem)
Flue gas connection
Connect the balanced flue.
16
(cont.)
Connect the solar circuit.
Note
The solar circuit pump is integrated
into the Vitodens.
Solar heating system installa-
tion instructions.
Flue gas system installation
instructions.