Electrical Wiring Diagram - A.O. Smith BFC Cyclone Installation, User And Service Manual

High efficient condensing water heater
Table of Contents

Advertisement

12.5
0311704_BFC_28-120_III_ENEN_V2.4, 2022-10-17

Electrical wiring diagram

B
C
D
E
N
2
1
L
I
0
2
1
2
1
3
1
3
2
2
1
3
1
2
3
4
5
6
7
8
9
N
L
1
2
N
L
N
L
S ecund air
P rim a ir
J
K
N
L
2 30 VA C 50 H z
A
1
5
X
X
X J2
3
2
1
F 3
F 1
JP 2
4
4
3
1
X
X
4
4
2
X
J2 0
1
X
X
X
3
2
J2 1
1
X
X
X
3
2
J1 9
1
X
X
X
3
4
4
J2 9
1
X
X
X
3
2
JP 8
4
1
2
4
4
4
3
2
1
3
2
1
11
10
1 2
1 3
1 4
15
1 6
17
18
19
3
N
L
H
G
1
J3 3
3
5
2
4
X
X
J40
1
3
X
X
2
7
1
16
15
14
13
2
4
6
J38
12
11
10
9
1
3
5
JP 11
7
8
6
5
3
4
2
1
6
2
1
JP 3
X
X
7
6
1
6
2
4
6
X
X
JP 4
6
1
3
X
X
6
6
1
6
3
6
6
X
X
2
5
JP 5
6
1
4
6
X
X
J3 5
1
2
6
4
8
J3 4
5
X
X
6
3
7
6
X
X
JP 6
6
4
2
X
X
7
5
6
1
5
1
X
X
1
6
2
4
3
2
1
JP 12
J3 9
1
3
1
2
3
2
1
J37
X
X
X
X
X
J3 6
5
5
4
4
4
T
M
4
4
4
5
5
20
21 2 2 23
2 4
F
03 09 36 1 R 0
N
O
P
Q
R
S
U
7
4
109

Advertisement

Table of Contents
loading

Table of Contents