Viessmann KOB PYROTEC Technical Manual page 20

Control unit
(cont.)
Schematic diagram
M
PYRO-
CONTROL
1
PYROTEC 1
3
PYRO-
CONTROL
1
G
A Additional heat source
B Flow consumers
C Cylinder as low loss header
D Return consumers
20
M
PYRO-
CONTROL
2
PYROTEC 2
1
2
MASTER-
CONTROL
F
A
T
M
T
B28.1
T
B28.2
C
T
B28.3
T
B28.4
T
B28.5
D
PYRO-
CONTROL
2
(ECOTRONIC)
E
E Charging exclusively boiler 1 in control unit boiler 1
F Charging exclusively boiler 2 in control unit boiler 2
G Common charging, control unit modules
B
MASTER-
CONTROL
PYROTEC