Electrical Connections - Viessmann VITODENS 300 Installation Instructions Manual

6.6 to 35.0 kw gas fired wall mounted condensing boiler natural gas and lpg version
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Electrical connections

Notes regarding the connection of accessories
For details of accessories also observe the separate installation instruc-
tions provided.
A Radio clock connection
B Vitotrol 100 UTD (only for control
units operating with a constant
temperature)
C Vitotrol 100 UTA (only for control
units operating with a constant
temperature)
11

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Vitodens 300 wb3a series

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