Datasheet

5822 239
21
3.1 Application example 4
Installation diagram
Plug-in connector
! Outside temperature sensor
*1
? M2 Flow temperature sensor
mixer
*1
? M3 Flow temperature sensor
mixer
*1
§ Boiler temperature sensor
% DHW cylinder temperature
sensor (accessory for Vitotronic
100)
aJ A Temperature sensor T1
*1
sÖ M2 Heating circuit pump mixer
*1
sÖ M3 Heating circuit pump mixer
*1
sA Circulation pump for DHW
cylinder heating
sK DHW circulation pump
*1
sL Distributor pump
*1
fÖ Electrical mains connection,
230V~/50 Hz
Install the mains isolator
according to l ocal regulations.
fA Burner (1st stage)
gS M2 Mixer motor
*1
gS M3 Mixer motor
*1
lÖ Burner (2nd stage)
aVD External hooking up
*1
aVH External hooking up
*1
seefrompage44
aBÖ External hooking up,
seepage42
*2
A Heating circuit with mixer
B Domestic hot water cylinder
*1
Only for Vitotronic 300 (type GW2).
*2
Only for Vitotronic 100 (type KC2).
1
3
17A
5
21
28
1
90 41 40
2 20 52 2 20 52
M2
B
A A
2
20
52
2
20
52
M2 M3
2 2
1
M3
3
T1
29
146 143
2 2
150
5