Viessmann Vitoligno 300-H Installation And Service Instructions For Contractors page 149

PCB KSK 2.03
(cont.)
s-F A *6 Secondary air damper stepper motor
CAN CAN bus
Jumper, CAN terminator
A
Factory setting: Closed, for Vitotrol 350
Jumper for parameter settings, Lambda probe
B
Factory setting: Open
Jumper for parameter settings, output
C
0 - 10 V or PWM
Delivered condition: 0 - 10 V
Jumper for parameter settings, output
D
0 - 10 V or PWM
Delivered condition: 0 - 10 V
Information on the jumpers
Jumper 120
A
for CAN input
Jumper 20 mA
B
for input
a;L
Jumper 0-10 V
C
for output B
a¢Ö
PWM
Jumper 0-10 V
D
for output sL B
PWM
Note
All jumpers of the KSK 2.03 PCB that are not listed must remain open.
Internally prewired
*6
B:
a¢Ö
B:
sL
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
Connection and wiring diagram
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
Ω
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