Viessmann VITOTRONIC 100 Installation And Service Instructions Manual page 31

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
B
A Boiler with Vitotronic 100
B DHW cylinder
C Heating circuit with mixer
3
17A
T1
A
Plug
§
aJ A
sL
fÖ
fA
gS A1
lÖ
aVD/aVH External hook−up
Heating system designs
C
3
17A
Boiler water temperature
sensor
Temperature sensor T1
Boiler circuit pump
Mains electrical connection,
230V~/50 Hz
Burner stage 1
Three−way mixing valve
Burner stage 2/mod.
(see page 69)
C
T1
A
31