System Version 2 - Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual

System version 2

One mixer circuit
B
A Boiler with Vitotronic 200
B DHW cylinder
C KM BUS user or
KM BUS distributor, (only with
several KM BUS users)
D Mixer circuit M2
E Check valve; only required if
joined to a connector.
Plug
!
Outside temperature sensor
?
Flow temperature sensor
(accessory)
§
Boiler temperature sensor
%
Cylinder temperature sensor
Required coding
00: 3 System with one mixer circuit, without DHW cylinder
or
00: 4 System with one mixer circuit, with DHW cylinder
*1
e.g. for underfloor heating control via flow and return temperature sensor.
Heating system designs
C
M2
A
aJ
Return temperature sensor
(accessory)
sÖ M2 Heating circuit pump mixer
circuit (accessory)
sA
Cylinder primary pump
(accessory)
sK
DHW circulation pump (on site)
fÖ
Mains power connection
(230 V/50 Hz)
fA
Burner stage 1
gS
Mixer motor (accessory)
lÖ
Burner stage 2/mod.
aVG
KM BUS user/distributor
(accessory)
a:A
Two−stage/mod. burner
extension
D
M
E
*1
7