Viessmann VITODENS 111-W Installation And Service Instructions Manual page 12

Installation sequence
Mounting the boiler and making connections
A B C D
¨
Fig. 5
Heating flow
A
Heating return
B
Gas connection
C
Connection on the DHW side
Permiss. operating pressure, cylinder: 10 bar.
Install supplied safety assembly
connection.
No flow limiter is fitted in the cold water supply.
12
E
in the cold water
F
(cont.)
Cold water
D
DHW
E
Safety assembly
F
Mounting the connection set
Fig. 6