Viessmann Vitoligno 300-C Installation And Service Instructions For Contractors page 120

Connection and wiring diagram
Connection and wiring diagram
PCB HKK 2.01
Fig. 74
d-A Flow temperature sensor, heating circuit 1
Flow temperature sensor, heating circuit 2
d-S
Cylinder temperature sensor
d-D
Heating water temperature sensor
d-F
Default speed for solar circuit pump
d;Ö
Jumper, parameter setting, output
A
setting: Equipped and set (0-10 V). Solar circuit
pump
Note
The slot assignment on this PCB may differ subject to
the system version.
System specific slot assignment:
"System examples"
120
(cont.)
A
, factory
d;Ö
Fig. 75
Connection to PCBs ZPK 2.02 and KSK 2.03
s-Ö
Pump, heating circuit 1
dYÖ
Valve, heating circuit 1
dYA
Pump, heating circuit 2
dXÖ
Valve, heating circuit 2
dXA
Circulation pump for cylinder heating
dCÖ
DHW circulation pump (Y2)
dCA
Note
The slot assignment on this PCB may differ subject to
the system version.
System specific slot assignment:
"System examples"