Operating instructions

C
17A
C
A
3
B
A
90
41
40
143 146
52 A1
29
17A
3
90
41
40
143 146
52 A1
29
T1 T1
31
Heating system designs
System version 9
Raising the return temperature with a three−way mixing valve
Vitogas 100
Vitomax 100, Vitomax 200 and Vitomax 300
Vitoplex 100, type SX1, Vitoplex 200, type SX2, and Vitoplex 300, typeTX3
Vitorond 200
A Boiler with Vitotronic 100
B DHW cylinder
C Heating circuit with mixer
Plug
§ Boiler water temperature
sensor
aJA Temperature sensor T1
sL Boiler circuit pump
fÖ Mains electrical connection,
230V~/50Hz
fA Burner stage 1
gSA1 Three−way mixing valve
lÖ Burner stage 2/mod.
aVD/aVH External hook−up
(see page 69)
5862730GB