Operating instructions

C
17A
C
A
3
90
41
40
143
146
B
A
52 A1
17A
3
90
41
40
143 146
52 A1
T1 T1
25
Heating system designs
System version 7
Distribution pump and low pressure distributor
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
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