www.americanwaterheater.com 35

WIRING DIAGRAM
Obey local codes and electric utility requirements
when you install or service the water heater.
This appliance must be electrically grounded in
accordance with local codes or, in the absence of
local codes, with the National Code ANSI/NFPA
No 70 (current edition) and/or the CSA C22.1
electrical Code (current edition).
CAUTION: LABEL ALL WIRES PRIOR TO
DISCONNECTION WHEN SERVICING
CONTROLS. WIRING ERRORS CAN
CAUSE IMPROPER AND DANGEROUS
OPERATION. VERIFY PROPER OPERATION
AFTER SERVICING.
Tank ThermistorUIMHTS
Normal
Economy
Boost
Flame
Up
Down
On/Off
Celsius
Farenheit
Mode
Lockout
GREY
GREY
BLACK
BLACK
BLUE
BLUE
123
456
!

J6

Programing

J1

Flame

J5

Water ValveWater Flow

J8

Thermistors

J9

RS 485

J10

UIM Setting

J11

High Temp SWWater ValveWater Flow Sensor
BROWN
YELLOW
BLACK
WHITE
Flame Sense Rod
YELLOW
BLACK
BLACK
BLACK
BROWN
BROWN
RED
RED
BLUE
BLUE
Thermistors J12Gas Valves / ECO

J13

Pump

J15

Auxiliary Out/Igniter J16XFMR Pr(Transformer)

J7

Power 120Vac

J4

XFMR Sec

J3

Thermal Fuse

J2

BlowerBlower
BROWN
BROWN
BLACK
BLACK
GREEN
BLACK
WHITE
BLACK
WHITE
Power Transformer
ORANGE
ORANGE
YELLOW
YELLOW
WHITE
WHITE
BLUE
BLUE
BLACK
GREY
BROWN
InletOutletECOGas Valves
120 Vac
Thermal FusePumpIgniter
BLACK
YELLOW
GREY
GREY

SW1

MCU

(Micro Controller)
YELLOW
BROWN
MM
GREEN
RED
RED
BLUE
BLUE
RED
RED
BLUE
BLUE
RED
F1
Fuse
GREEN
BLUE
1234
1
1
1
1
11
1
1
1
1
1
1
1
2
2
2
22
2
2
2
2
2
2
3
3
33
3
3
3
4
4
4
6
4
510
9
8
7
6
5
6
56
789
5
4
123
456
Main 1st 2nd Prop
FIGURE 34