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Heating system designs
System version 1
C
M1
2
20
52
A Vitocontrol-S housing Vitotronic 050
B DHW tank
C Mixing valve circuit
(for model HK1S only one mixing valve circuit can be
connected)
Coding
For systems with a DHW tank and for additional mixing valve circuits for model HK3S, coding addresses "00:2" to "00:10"
are automatically set.
4
1
LON
A
LON
40
C
M2
M3
2
2
20
20
52
52
2 M2/M3
20 M2/M3
52 M2/M3
C
Plug
!
Outdoor temperature sensor
?
Supply temperature sensor
%
DHW tank temperature sensor
Heating circuit pump
sÖ
DHW tank pump
sA
sK
DHW re-circulation pump
fÖ
Power supply 120V/ 60 Hz
gS
Mixing valve motor
External connections
aVD
(see page 11)
aVG
KM-BUS-Participant
28
21
5
B
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