Viessmann VITODENS 050-W Installation And Service Instructions Manual page 21

Mounting the boiler and making connections
Fitting the connections on the water side
!
Please note
Protect the pressure gauge
hoses
A Heating flow G ¾
B DHW G ½
C Cold water G ½
1. Mount the fittings with gaskets.
A B C
¨
D Heating return G ¾
2. Install the filling equipment on site.
Installation sequence
(cont.)
when welding/soldering copper
pipes to the boiler.
D
The filling equipment must comply
with the Fittings Directive G24.2a.
21