A
B
M
M2
D
C
E
7
Heating system designs
System version 2
One mixer circuit
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
aJ
Return temperature sensor
(accessory)
*1
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
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.
5862700GB