Wiring Diagram - A.O. Smith T-M32 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
thermistor
Inlet
thermistor
Output
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
Control
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
B K
E3
B K
E2
B K
O
G
R
L B
B L
W G
B K
C2
A
B L
B L
Ground
G F I
C1
B L
B R
B L
B R
T-M32 / T-M32 ASME Service manual
LB:LIGHT BLUE
BL: BLUE
R: RED
W
B L
R
B K
W
G
Y
O
R
W R
R
H1
J
H2
F
Y
G
O
G
I
B
B K L
W
K
Pump
B K
W
Trans- Surge
box
former
A1
B R
BR
9
CONFIDENTIAL
G: GREEN
Y: YELLOW
GY:GRAY
Gas
Propor-
tional
Valve
Flow
B K B K
W W
Sensor
R
BK
B K
D1
G Y
GY
D2
TM-RE30
W
R emot e
BK
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
P
B K
B K
A2
B K
W
A3
BK
W
G
Ver. 1.03
O: ORANGE
BR:BROWN
R
1
R
BL
2
B L
W
Parent
W
O
3
O
P
4
P
Heater
Heater
Heater
Heater
Thermostat
120 VAC
Ground