Viessmann VITODENs 200 Installation Instructions Manual page 44

Initial start-up, inspection, maintenance
Further details regarding the individual steps
Required coding
Operation with LPG
System design 2
With/without DHW heating with one heating circuit without mixer A1 and
one heating circuit with mixer M2
Note
The volume flow of the heating circuit without mixer must be at least 30 %
greater than the volume flow of the heating circuit with mixer.
!
Outside temperature sensor
?
Flow temperature sensor
%
Cylinder temperature sensor
sÖ
Heating circuit pump
lH
Mains supply (extension kit)
Required coding
Operation with natural gas (as delivered condition)
or
Operation with LPG
System with only one heating circuit with mixer
& with DHW cylinder
&
without DHW cylinder
28
(cont.)
aVG KM BUS
A
Maximum temperature controller
(underfloor heating)
B
Extension kit for one heating cir-
cuit with mixer
Address
1E:1
Address
1E:0
1E:1
00:4
00:3