External Connection Diagram - Viessmann VITODENS 222-F Installation And Service Instructions Manual

Compact gas condensing boiler 4.8 to 35 kw natural gas and lpg version gc no 47-819-15 (19kw); 47-819-16 (26kw); 47-819-17 (35kw)
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Designs

External connection diagram

A1
Main PCB
A2
Power supply unit
A3
Optolink
130
A4
Burner control unit
A5
Programming unit
A6
Coding card

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Vitodens 222-f fs2a

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