Viessmann Vitodens 200 Service Manual page 29

Further details regarding the individual steps
System design 3
With/without DHW heating with one heating circuit without mixer A1 and
one heating circuit with mixer M2 and system separation
!
Outside temperature sensor
?
Flow temperature sensor
%
Cylinder temperature sensor
sÖ
Heating circuit pump
lH
Mains supply (extension kit)
aVG KM BUS
Required coding
Operation with natural gas (as delivered condition)
or
Operation with LPG
System design 4
With/without DHW heating with one heating circuit with mixer M2 (with
extension kit), one heating circuit with mixer (Vitotronic 050) and low loss
header
Initial start-up, inspection, maintenance
(cont.)
A
Maximum temperature controller
(underfloor heating)
B
Extension kit for one heating cir-
cuit with mixer
C
Heat exchanger for system
separation
Address
1E:0
1E:1
29