Operating instructions

17A
3
17B
C C
A
90
41
40
143
146
B
A
52 A1
T1
29
T2
17A
3
90
41
40
143 146
52 A1
T1
20A1 20A1
22
Heating system designs
System version 6
Raising the return temperature with a common shunt pump
Vitomax 100, Vitomax 200 and Vitomax 300
Vitoplex 100, type SX1, Vitoplex 200, type SX2, 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 T1
aJB Temperature sensor T2
sÖA1 Mixers closedwith external
heating circuit control units
sL Shunt pump
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