Viessmann Vitoligno 300-C Installation And Service Instructions Manual page 170

Connection and wiring diagram
PCB KSK 2.03
(cont.)
0 - 10 V or PWM
Information on the jumpers
Jumper 120
A
for CAN input
20 mA
Jumper B
for input
a;L
Jumper 0-10 V
C
for output a¢Ö B
PWM
Jumper 0-10 V
D
for output B
sL
PWM
Note
All jumpers of the KSK 2.03 PCB that are not listed must remain open.
Fig. 97
Boiler circuit pump
sL *15
Power supply 230 V, 50 Hz
fÖ
A Central fault message
gÖ
Internally prewired
*15
170
Jumper open:
Ω
No CAN terminator
Jumper open:
Voltage signal 0...10 V
Jumper at top:
Voltage signal 0...10 V
Jumper at top:
Voltage signal 0...10 V
Delivered condition: 0 - 10 V
120 Jumper closed:
Ω
CAN terminator 120
20 mA Jumper closed:
Do not use
0-10 V Jumper at bottom:
PWM signal
PWM
0-10 V Jumper at bottom:
PWM signal
PWM
Ignition
gF *15
Enable additional heat generator
jL
Motor, heat exchanger cleaning
kS *15
Ω