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Designs
Connection and wiring diagram
A3
Optolink
A4
Burner control unit
A5
Programming unit
A6
Coding card
A7
Connection adaptor
A8
LON communication module
A9
Internal extension H1 or H2
S1
ON/OFF switch
S2
Reset button
X... Electrical interfaces
!
Outside temperature sensor
?
Flow temperature sensor, low
loss header
110
external . . .
(cont.)
%
Cylinder primary temperature
sensor
sÖ
Internal circulation pump
sK
Primary pump
dG
Gas solenoid valve
fÖ
Power supply
lH
Power supply accessories and
Vitotrol 100
a-Ö Fan motor
aYA Gas pressure limiter
aVG KM BUS
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