Technical data

19
Heating system designs
System version 6
Heating circuit and one low temperature heating circuit
Vitocrossal 300, CT3
A Boiler with Vitotronic 100, GC1
B Vitocontrol-S, VD2/CT3/CM2
C DHW tank
D Mixing valve circuit
E Neutralizing system
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
sÖ M2/M3 Heating circuit pump mixing
valve circuit 2 or 3
sA DHW pump
sK DHW recirculation 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
aVD/aVH External connections
(see page 44)
lÖ Burner
(burner stage 2 / mod.)
5351 340 v1.4
LON LON
LON
LON
40
143 146
LON LON
B
1
28
5
21
2 20 52 2 20
52
M2
M3
2
3
90
41
40
143
146
D D
C
52 A1
156
3
90
41
40
143 146
52 A1
156
A
E
A
E