Viessmann Vitoligno 300-C Installation And Service Instructions Manual page 167

ZPK 2.02 PCB
(cont.)
Allocation of terminals, plug
1: Anti-clockwise rotation (anti-clockwise rotation of
motor changeover unit moves to the right)
Ó
2: Clockwise rotation (clockwise rotation of motor
changeover unit moves to the left)
PCB HKK 2.01
Fig. 94
HC 1: Flow temperature sensor, heating circuit 1
d-A
HC 2: Flow temperature sensor, heating circuit 2
d-S
or
TWE: Cylinder temperature sensor
d-D TWE: Cylinder temperature sensor
or
SOL: Collector temperature sensor
or
HC 3: Flow temperature sensor, heating circuit 3
Note
The slot assignment on this PCB may differ subject to
the system version.
Information on the jumpers
Jumper 0-10 V
A
for output
d;Ö
PWM
sYG :
Ó
A
Jumper at top:
Voltage signal 0...10 V
Connection and wiring diagram
SOL: Cylinder temperature sensor, solar
d-F
SOL: Default speed for solar circuit pump
d;Ö
A Jumper for parameter settings, output
Factory setting: Closed (PWM), solar circuit pump
0-10 V Jumper at bottom:
PWM signal
PWM
d;Ö
167