Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 190

Connection and wiring diagram
KSK 2.03 PCB
(cont.)
Danger
Touching live components can result in serious
injuries.
Do not remove the plug in slot
Do not connect any devices at slot
Fig. 123
Boiler circuit pump
sL
Power supply 230 V, 50 Hz
fÖ
A Central fault message
gÖ
gF Ignition
Enable additional heat generator
jL
Heat exchanger cleaning
kS
Flue gas fan
a-Ö
List of connected cables
Plug Description
no.
Internal boiler area
100A Speed recording, flue gas fan
100 Flue gas fan, motor
82 Cleaning, motor
29 Boiler circuit pump
190
.
fÖ
.
fÖ
aBÖ
aBS
aBD
a;A
a;S
s-Ö
Cable type
Standard Alternative-
ly
S-LifYY –
H05VV F G H05RN F G
H05VV F G H05RN F G
H05VV F G H05RN F G
High limit safety cut-out and ON/OFF switch
Low water indicator
Water pressure switch
Reserve
Mixer motor, return temperature raising facility
Connection to HKK 2.01 PCB
Number Cable cross-
of cores
3
4
3
3
Length
section in m
2
in mm
0.34 1.85
1.50 1.95
0.75 2.65
0.75 1.95