Viessmann Vitoligno 300-C Installation And Service Instructions Manual page 166

Connection and wiring diagram
ZPK 2.02 PCB
(cont.)
A Jumper for parameter settings, input
Delivered condition: 0 - 10 V
Jumper for input parameter settings
B
Delivered condition: 0 - 10 V
Jumper for parameter settings, output
C
0 - 10 V or PWM
Delivered condition: 0 - 10 V
Information on the jumpers
Jumper 20 mA
A
for input
s;G
Jumper 20 mA
B
for input
s;Ö
Jumper 0-10 V
C
for output
s;A
PWM
Fig. 93
s-Ö *15 Connection to HKK PCB
Combustion grate motor
sYA
sYS *15 Ash removal screw conveyor motor
Feed screw conveyor motor
sYD
Suction turbine motor
sYF
Internally prewired
*15
166
s;G
s;Ö
s;A
Jumper open:
Voltage signal 0...10 V
Jumper open:
Voltage signal 0...10 V
Jumper at top:
Voltage signal 0...10 V
Allocation of terminals, plug
1: 24 V+
2: Input zero point
3: Input position
4: Proximity switch, pellet hose
20 mA Jumper closed:
Current signal 0...20 mA
20 mA Jumper closed:
Current signal 0...20 mA
0-10 V Jumper at bottom:
PWM signal
PWM
Pellet changeover unit motor
sYG
Flexible screw conveyor motor
sYH
Discharge screw conveyor motor
sYK
External charging (potential-free)
sYL
sBÖ :