American Water Heater 300 Series Instruction Manual page 63

1 White/Brown
2 White/Blue
4 White/Orange
5 White/Green
1 Blue
No factory
Ferrite
connections
Bead
6 White/Green
5 Orange
4 Blue
2 White/Blue
1 White/Red
Gas Valve
Power Switch
9 White
8 Black
7 Red
6 Green
5
4 White
3 Black
2 Red
1
Green
Ground Bar
1 Blue
3 Yellow
4 Orange
5 Violet
24Vureg
PWM Signal
Neutral
Speed f-back
120 to Spark
Dgnd
Central Control Board
(CCB)
ECO
Thermistor
Thermistor
ECO
Dgnd
5VDC
12VDC
24VAC
24VAC
Inlet return
Outlet return / Inlet power
Outlet power
Neutral
L1
Pump Common
Pump NO
Anode
AUX Common
Dgnd
AUX NO
Flame Rod
AUX NC
Condensate
PE
Condensate
Gas PS
Gas PS
Gas V Switch
Gas V Switch
Gas V 24V
24V Rtn
+5V
Data +
+5V
Data -
Dgnd
D gnd
Write protect
SCL (data)
SDA (data)
Figure 47: WIRING SCHEMATIC (Continued from previous page).
1 Red
2 Black
Upper Temperature
Probe / ECO
Red
Black
Black
Red
1 Red
2 Black
3 Black
4 Red
1 Black
2 Red
4 Green
Splice
Connects
to burner
1 Blue
Green
2 Green
3 Yellow
4 Black
6 Black
7 Red
8 Black
9 Red
10 Black
11 Red
12 Black
6 White/Orange
5 White/Blue
4 White/Brown
3 Green
2 Red
63
Spark
Module
1 Red 120V
2 Black
Neutral
3 Green Ground
BURNER
BOLT
Blue
Blue
Anode
Rod
Yellow
bolt
Gas Valve
Configuration
Key
Spark
Rod
Outlet Pressure
Switch
Inlet Pressure
Switch
Flame
Rod
Jumper
shorts
wires