Operating instructions
A
D
3
90
41
40
143
146
143
146
B
A
17A
3
90
41
40
143
146
29
C C
47
Heating system designs
System version 16
Several heating circuits, one low temperature heating circuit plus Vitoplex
with Therm−Control and boiler circuit pump
Vitocrossal 300
Vitoplex 100 (90 to 500kW), Vitoplex 200 and Vitoplex300, type TX3 (80 to
1750kW)
A Boiler with Vitotronic 100
B DHW cylinder
C Heating circuit with mixer
D Neutralising system
Plug
§ Boiler water temperature
sensor
aJA Therm−Control temperature
sensor
sL Boiler circuit pump
fÖ Mains electrical connection,
230V~/50Hz
fA Burner stage 1
lÖ Burner stage 2/mod.
aVD/aVH External hook−up
(see page 69)
5862730GB