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15.7.3
LOWER BURNER WIRING DIAGRAM (PCB B, RIGHT)
WIRING COLORS
K0=white
K1=yellow
K2=brown
K3=green
K4=grey
K5=orange
CN3
1
2
3
4
connection
examples
15.7.4
LOWER BURNER CONTROL
separate ionisation
CN8
input. (always active)
K6=blue
K7=red
K8=black
K9=purple
K10=yellow/green
CN1
5
6
1
2
3
4
5
6
7
25
26
27
28
29
30
LOCK-OUT
BURNER
HEAT
BURNING
DEMAND
N.O.
N.O.
N.O.
T2
ignition
transformer incl.
ionisation input.
F2
F1
CN5
1
2
3
4
5
6
7
8
9 10
K2
connection
examples
K10
CN4
boiler casing
CN not used
CN10
K6
FAN
49
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