Central Heating
Vitotronic 200 and 300-K Operating
Controls Overview
Controls with cover flap open
Vitotronic 200, type HO1B
Legend
A Fault indicator (red)
B ON indicator (green)
C Reset button
D ON/OFF switch
E Pressure gauge (pressure display)
F User interface
Vitotronic 300-K
Legend
A ON indicator (green)
B Fault indicator (red)
C Emissions test switch (only for service purposes)
D ON/OFF switch
E Fuse
F User interface
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