Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 185

Overview of PCBs
ZPK 2.02
+ + + + +
A
B
Fig. 117 PCB layout, date: 04/2016
Power supply unit, boiler control unit
A
ZPK 2.02 PCB
B
HKK 2.01 PCB
C
D KSK 2.03 PCB
Programming unit
E
BLS 1.01 PCB
F
Battery
G
Fuse F10
H
Fuse F30
K
Fuse F20
L
HKK 2.01
M
C
K
L H
Connection and wiring diagram
KSK 2.03
M
D
G
TAG
6
IP (+/-)
5
COM
4
VS (+)
3
H+
2
H-
1
E
F
STB
PE
STB
NH
LH
L
N
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