Wiring Diagram - A.O. Smith 710 ASME Service Manual

6. Wiring diagram

Number display button
B u r ni n g
7 S e g
L e f t b a n k o f
d i p sw i t c h e s
M AX b u t t o n
M IN b u t t o n
I nc r e a se b u t t o n
D ec r e a se b u t t o n
E r r or c a ll b u t t o n
Mixing
B K
thermistor
Inlet
B K
thermistor
Output
B K
thermistor
C
SV2
C
SV1
C
SV3
C
MV
B L
B L
O.H.C.F
H i -
l i m i t
s w i t c h
BK: BLACK
P: PURPLE
W: WHITE
Water
O
Control
R
B R
valve B K
W
G
Y
R
l a m p
L E D
R i gh t b an k o f
E1
d i ps wi t ch es
E3
E2
O
G
R
L B
B L
B K
W
K
W G
B K
C2
A
B L
B L
Ground
G F I
C1
B L
B R
B L
B R
LB:LIGHT BLUE
BL: BLUE
R: RED
Propor-
W
B L
R tional
B K
W
G
Y
W
W R
R
H1
J
H2
F
BK
Y
G
O
G
I
B
P
L
Pump
B K
W
Trans- Surge
box
former
A1
B R
W
BR
9
CONFIDENTIAL
710 / 710 ASME Service manual
G: GREEN
Y: YELLOW
GY:GRAY
Gas
Valve
Flow
B K B K
W
Sensor
R
R
R
BL
BK
B K
B L
D1
W
W
G Y
O
GY
O
D2
P
P
9007603005
W
R emot e
c ontr ol ler
Air-fuel
ratio rod
Ground
Flame rod
W
Igniter rod
O
F M
Y
B L
R
I G
P P
P
B K
B K
A2
B K
W
Thermostat
A3
120 VAC
BK
G
Ver. 1.00
O: ORANGE
BR:BROWN
1
2
Parent
3
4
Heater
Heater
Heater
Heater
Ground