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wiring diagram
2
15
4
14
5
10
6
7
8
11
1 BLACK
2 WHITE
RED
1 RED (ECO)
2 BLACK
3 BLACK
4 RED (ECO)
3 WHITE/GREEN
7 WHITE/BLUE
8 WHITE/BROWN
1 BLACK
2 WHITE
1
2 RED
GREEN
2
WHITE
3
1 BLACK120 VAC HOT
3 WHITE 120 VAC NEUTRAL
4 YEL 24 VAC
4 YEL 24 VAC
Service Notes:
This water heater is polarity and ground sensitive. The Control System will lock out and display the AC
Reversed fault message if the power supply polarity is reversed. flame sensing current cannot be established
if the Burner is not grounded which will cause Ignition Failure fault conditions and Control System lock outs.
See Electrical Requirements on page 6.
44
GROUND STRIP
TRANSFORMER
INSIDE CCB
50VA
ENCLOSURE
Servicing should only be performed by a Qualified Service Agent
24 VOLT
BLOCKED
GAS VALVE
INTAKE AIR
ENABLE/DISABLE CIRCUIT
JUMPER WIRE BETWEEN PINS
8 AND 11 ON J6 PLUG
HOT SURFACE IGNITER
FLAME SENSOR
TEMPERATURE PROBE
PWM (Pulse Width Modulation)
SPEED INSTRUCTION SIGNAL
WIRES FROM CCB TO BLOWER
SPEED CONTROL
120 VAC 1 Ø POWER
BLACK
RED
ON/OFF
SWITCH
WHITE
BURNER GROUND
(BURNER BOLT)
Figure 42
BLOCKED
EXHAUST
NOTE: COMBUSTION BLOWER
ASSEMBLY CONSISTS OF
MOTOR, BLOWER AND INTEGRAL
BLOWER SPEED CONTROL.
1 4 5
1
2
COMBUSTION
BLOWER
GREEN
GROUND
N
WHITE
120 VAC NEUTRAL
L
BLACK
120 VAC HOT
BLOWER
PROVER
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