Viessmann VITOPEND 200 - Connection and Wiring Diagram External Connections

A3 Optolink
A4 Burner control unit
A5 Programming unit
A6 Coding card
A7 Connection adaptor
A8 LON communication module
(Vitotronic 200)
A9 Internal extension H1 or H2
S1 ON/OFF switch
S2 Reset button
! Outside temperature sensor
? Flow temperature sensor, low
loss header
% Comfort sensor
sÖ Internal circulation 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
Connection and wiring diagrams – external . . . (cont.)
115
Designs
5862 831 GB
Service