Technical data

10
Heating system designs
System version 2
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
aJB Temperature sensor T2
sÖ M2/M3 Heating circuit pump mixing
valve circuit 2 or 3
sA DHW pump
sK DHW recirculation pump
sL Shunt 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
LON
17A
17B
3
D D
A
90
41
40
143
146
C
A
52 A1
T2
T1
29
17A
17B
3
90
41
40
143
146
52 A1
T2
T1
29
40
143
146
LON LON
B
2
1
28
5
21
2 20 52
2
20 52
M2
M3
LON LON