Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 188

Connection and wiring diagram
HKK 2.01 PCB
Fig. 120
Flow temperature sensor, heating circuit 1
d-A
Flow temperature sensor for heating circuit 2 or
d-S
cylinder temperature sensor
Cylinder temperature sensor, collector tempera-
d-D
ture sensor or flow temperature sensor for
heating circuit 3
Cylinder temperature sensor, solar
d-F
Default speed for solar circuit pump
d;Ö
Jumper for parameter settings, output
A
tory setting: Closed (PWM), solar circuit pump
Note
The slot assignment on this PCB may differ subject to
the system version.
System-specific slot assignment:
"System examples"
188
A
; fac-
d;Ö
Fig. 121
Connection to ZPK 2.02 and KSK 2.03 PCBs
s-Ö
Pump, heating circuit 1
dYÖ
Valve, heating circuit 1
dYA
Pump, heating circuit 2
dXÖ
or
Cylinder loading pump (circulation pump for cylin-
der heating)
Valve, heating circuit 2
dXA
or
DHW circulation pump, DHW heating (Y2)
Pump, heating circuit 3
dCÖ
or
Cylinder loading pump (circulation pump for cylin-
der heating)
or
Solar circuit pump
Valve, heating circuit 3
dCA
or
DHW circulation pump, DHW heating (Y2)
or
Solar diverter valve