Viessmann Vitodens 200 Technical Manual page 102

3.2 Installation examples
System design 12
300
System design 12
Multi-boiler system with Vitodens 300 (from 49 kW) with/without DHW heating with several heating circuits with mixer and low loss
header
2/K
A
3/230V
3
P
A Vitodens 300 (from 49 kW) with
control unit for constant temperature
mode
B Outside temperature sensor
C Vitotronic 333
D Maximum temperature limiter
E Flow temperature sensor
Required electrical connecting cables
2/K Number of cores/low voltage
3/230 V Number of cores/230 V~
102
B
2/K
2/K
3/230V
3/230V
D
E
A
F
H
2/K
3/230V
P
N
O
F Heating circuit pump
G Regulating valve
H Extension kit for one heating circuit
with mixer
K Cylinder temperature sensor
L DHW cylinder
C
2/K
2/K
E
F
G
H
L
K
M
M Cylinder primary pump
N Flow temperature sensor for low loss
header
O Low loss header
P Primary pump (boiler circuit)
VITODENS