Datasheet

5822 239
25
3.1 Application example 6
Wiring diagram
Connection of the temperature sensor or limit thermost at T1
Connection of t he heating circuit and the shunt pumps in conjunction with Vitotronic 100 (type KC2)
H in conjunction with Vitotronic 300 (type GW2)
Wiring for r educing the volume flow via the limit thermostat
T1 in heating systems with heating circuit control units,
which are not connected to the boiler control unit via the
LON BUS.
Necessary coding:
change ”4C” to ”2” – use the plug-in connector sÖ A1 to
close the downstream mixer.
sÖ A1 Closing the mixer
C Downstream heating circuit control unit contact closed:
signal for ”Close mixer”
20
C
L
N
6
A1
closed closed closed
H in conjunction with Vitotronic 100 (type KC2)
C Downstream heating circuit control unit contact closed:
signal for ”Close mixer”
D Mains electrical connection, 230V~/50 Hz
C
6
L1
N
PE
D
2
1
closed closed closed
H For pumps with a power consumption of ≦ 4A
E Heating circuit pump
F Connection box (on site)
20
1
2
3
3
F
2
L
N
E
H For pumps with a power consumption of ≧ 4A
E Heating circuit pump
6
3
K1
L
N
1
2
3
E
2
20
L
N