Operating instructions
A5 Oper ating interfac e
A6 Coding card
A7 Connection adaptor
A8 LON communication module
A9 Internal extension H1 or H2
S1 ON/OFF switch
S2 Reset button
! Outside temperature sensor
? Flow temperature s ensor low
loss header
% Cylinder temperature sensor
sÖ Internal circulation pump
sK Loading pump
dG Gas solenoid valve
fÖ Power supply
lH Mains power supply - acces-
sories and Vitotrol 100
a-Ö Fan m otor
aYA Gas gov ernor
aVG KM BUS
Connection and wiring diagrams – external connectio . . . (cont.)
111
Designs
5692 548 GB










