A
D
3
90
41
40
143
146
143
146
C C
B
A
17A
3
90
41
40
143
146
52 A1
41
Heating system designs
System version 14
Several heating circuits and one low temperature heating circuit
Vitocrossal 300
Vitoplex 100, type SX1, Vitoplex 200, type SX2, Vitoplex 300, type TX3
A Boiler with Vitotronic 100
B DHW cylinder
C Heating circuit with mixer
D Neutralising system
Plug
§ Boiler water temperature
sensor
aJA Temperature sensor
ThermControl
fÖ Mains electrical connection,
230V~/50Hz
fA Burner stage 1
gSA1 Motorised butterfly valve
lÖ Burner stage 2/mod.
aVD/aVH External hook−up
(see page 69)
5862730GB
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