Connecting Of Combustion Air Device - Viessmann VITOTRONIC300 Installation And Service Instructions Manual

Installation Sequence
Connection of Combustion Air Device
Legend
A Combustion Air Device Adaptor
B DIN Rail in connection enclosure
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Vitotronic 300, GW2B Installation and Service
Connection of the Combustion Air Device Adaptor
1. Disconnect power to control and burners.
2. Install Combustion Air Device Adaptor, on DIN Rail
inside connection enclosure (refer to installation
manual of Combustion Air Device Adaptor).
3. Remove jumper between terminals 16 and 17.
4. Make connection as shown in the diagram.
IMPORTANT
Wire BK2 must be connected to terminal 16 and BK3 to
terminal 17 - DO NOT reverse.
For more detail, refer to the combustion air
device Installation Instructions.