Electrical Diagnostic Contacts And Wiring Diagram - Navien NCB-700-2S+/42K Service Manual

4.5 Electrical Diagnostic Contacts and Wiring Diagram

PUMP
3WAY-Valve M
Dual
Ventury
M
(NCB700)
Ignitor
Detector
BURNER
8 6 4 2
7 5 3 1
1
2
3
4
5
6
1 CN4
2
3
4
5
6
7
CN4
1
2
CN13
CN2
CN1 CN8
1 2 3 4
1
2 1
High water
pressure S/W
Flame
Low water
pressure S/W
P.E
GAS
BLDC FAN
Valve
AWS
CN5
7 6 5 4 4 3 2 1
CN14
1
2
8
3
7
4
6
5
5
6
4
7
3
8
2
9
1
10
PIN1
11
CN9
CN7
1 2 3 4
1 1 1
1 2 3 4 5 6 7 8 9
0 1 2
CN15
CN6
1 2 3 4 5 6 7 8
WPS
APS
Outdoor Sensor
6
5
4
3
2
DHW_INPUT
1
CN12 OT
R/C
8
7
6
5
M WAV V/V
4
3
2
1
CN11
8
7
6
5
M
4
3
2
1
CN10
Dip s/w
5
(4pin)
Dip s/w
(8pin)
Re.Pump. Temp
1 1 1 1 1
9
0 1 2 3 4
Sensor(NCB700)
Flow
HTL
Sensor
MIX V/V
Recirculation
Pump(NCB700)
ADOPTOR
BURNNER HTL
System Details 41