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12.3 Wiring Diagram
PUMP
M
3WAY -Valve
Dual
Ventury
M
(NCB 700 )
Ignitor
BURNER
8 6 4 2
7 5 3 1
1
2
3
4
5
6
1
CN 4
2
3
4
5
6
7
CN 4
1
2
CN 13
CN 2
CN 8
CN 1
1
2 3 4
1
2
1
High water
pressure S/W
Flame
Detector
Low water
pressure S/W
P.E
GAS
BLDC FAN
Valve
AWS
CN 5
7
6
5 4 4
3
2 1
CN 14
1
2
8
3
7
4
6
5
5
6
4
7
3
8
2
9
1
10
PIN 1
11
CN 9
CN 7
1
2 3 4
1
1
1
1
2 3 4
5
6 7 8
9
0
1
2
CN 15
CN 6
1
2 3 4
5
6 7 8
WPS
APS
Outdoor Sensor
6
5
4
3
2
DHW_INPUT
1
CN 12
OT
R/ C
8
7
6
5
M
WAV V/V
4
3
2
1
CN 11
8
7
6
5
M
MIX V/V
4
3
2
1
CN 10
Dip s/w
5
(4pin)
Dip s/w
(8pin)
Re.Pump . Temp
1
1
1
1
1
9
0
1
2
3
4
Sensor (NCB 700 )
Flow
HTL
Sensor
Recirculation
Pump (NCB 700 )
ADO PTO R
EXT. Contact
Appendices
67
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