Operating instructions

16
Heating system designs
System version 4
System with Therm−Control
Vitoplex 100, type SX1, to 460kW, Vitoplex 200, type SX2, to 560kW,
and Vitoplex 300, typeTX3
A Boiler with Vitotronic 100
B DHW cylinder
C Heating circuit with mixer
Plug
§ Boiler water temperature
sensor
aJA Temperature sensor
ThermControl
sÖA1 Mixers closedwith external
heating circuit control units
fÖ Mains electrical connection,
230V~/50Hz
fA Burner stage 1
gSA1 Motorised butterfly valve
lÖ Burner stage 2/mod.
aVD/aVH External hook−up
(see page 69)
5862730GB
C
17A
C
A
3
90
41
40
143
146
20 A1
B
A
52 A1
17A
3
90
41
40
143 146
20 A1
52 A1