Operating instructions
Manuals
Brands
Viessmann Manuals
Boiler
WS3A
91
92
93
94
95
96
97
98
99
100
Checking
Vitotronic
050
(accessory)
Vitotronic
050
is
connected
with
the
contro
l
unit
via
the
L
ON
system.
T
o
test
t
he
connection,
i mplement
a
user
check
on
the
boiler
c ontrol
unit
(s ee
page
33).
Repa
irs
(con
t.)
94
T
roubleshootin
g
5692
548
GB
1
...
...
92
93
94
95
96
...
...
132