Viessmann Vitodens 050-W Installation And Service Instructions Manual page 13

Mounting the boiler and making connections
Making the connections on the water side
A Heating flow G¾
B DHW G½
1. Mount fittings with gaskets.
A B C
¨
C Cold water G½
D Heating return G¾
2. Install filling equipment on site.
Installation sequence
(cont.)
D
The filling equipment must meet Fit-
tings Directive G24.2a.
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