Operating instructions

179
%A
Without function
%B
Without function
)
Without function
aJA
Without function
aJB
Without function
aVD
External connections
aVG
KM BUS subscriber
and
KM BUS, burner control unit
aVH
External connections
¡¢£
Connecting cable for data
exchange between control units
(accessory)
S3 Emissions test switch
V1 Fault indicator (red)
V2 ON/OFF indicator (green)
X Electrical interfaces
Schemes, Vitotronic 100, type GC4B
Connection and wiring diagram
(cont.)
5815 091 GB
Service