2. Change over the rotational direc-
tion switch:
Switch position I for central heating
return from the left (delivered con-
dition).
Switch position II for central heat-
ing return from the right.
Checking the Vitotronic 200-H (accessories)
The Vitotronic 200-H is connected to
the control unit via the LON cable. To
test the connection, carry out a sub-
scriber check at the boiler control unit
(see page 42).
Changing the combustion control parameters
The parameters are changed via the coding addresses in code 2.
Repairs
(cont.)
97
Troubleshooting
56
92
682
GB
Содержание Vitodens 333-F
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