Technical data

12
Heating system designs
System version 3
Common supply pump and low pressure distribution manifold
Vitorond 200, VD2
A Boiler with Vitotronic 100, GC1
B Vitocontrol-S, VD2/CT3/CM2
C DHW tank
D Mixing valve circuit
Plug
! Outdoor temperature sensor
? Supply temperature sensor
common heating supply
? M2/M3 Supply temperature sensor
mixing valve circuit 2 or 3
§ Boiler temperature sensor
% DHW tank temperature sensor
aJA Temperature sensor T1
sÖ A1 Closing the mixing valves
with external heating circuit
control units
sÖ M2/M3 Heating circuit pump mixing
valve circuit 2 or 3
sA DHW pump
sK DHW recirculation pump
sL Common supply pump
fÖ Power supply, 120 VAC
60 Hz
fA Burner (burner stage 1)
gS A1 Motorized isolation valve
gS M2/M3 Mixing valve actuator
circuit 2 or 3
lÖ Burner
(burner stage 2 / mod.)
aVD/aVH External connections
(see page 44)
5351 340 v1.4
LON
20A1
20A1
LON LON
LON
D
17A
D
A
3
90
41
40
143
146
C
A
52 A1
17A
3
90
41
40
143 146
52 A1
T1 T1
40
143 146
LON LON
B
1
28
5
21
2 20 52 2 20
52
M2
M3
2
29