Installation Sequence; Fitting The Connections - Viessmann VITODENS 343-F WS4A Installation And Service Instructions Manual

Installation sequence

Fitting the connections

Connections on the DHW side
A DHW Rp ¾"
B DHW circulation Rp ¾"
C Cold water Rp ¾"
A DHW
B DHW circulation pump
C Spring-loaded check valve
D Hydraulic connection area
Vitodens
E Flow regulating valve
F Pressure gauge connection
14
Connect the pipework on the DHW
side with detachable fittings. Seal off
those connections that are not
required.
G Drain valve
H Shut-off valve
K Cold water
L Drinking water filter
M Pressure reducer
N Non-return valve/pipe separator