A.O. Smith Power Vent Gas Series, Installation And Operating Manual

Page: 35 / 60

www.hotwater.com 35
WIRING DIAGRAM
Obey local codes and electric utility requirements when y
ou install or service the w
a
ter heater
.
This appliance must be electrically grounded in accordance with local codes or
, in the absence of
local codes, with the National Code ANSI/NFP
A
No 70 (current edition) and/or the CS
A C22.1
electrical Code (current edition).
CAUTION: LABEL ALL WIRES PRIOR T
O
DISCONNECTION WHEN SERVICING CONTROLS
. WIRING ERRORS CAN
CAUSE IMPROPER AND DANGEROUS OPERA
TION. VERIFY PROPER OPERA
TION
AF
TER SERVICING.
Tank Thermistor
UIM
HTS
Normal
Economy
Boost
Flame
Up
Down
On/Off
Celsius Farenheit
Mode
Lockout
GREY GREY
BLACK BLACK
BLUE
BLUE
12
3
45
6
!
J6
Programing
J1
Flame
J5
Water Valve Water Flow
J8
Thermistors
J9
RS 485
J10
UIM
Setting
J11
High Temp SW
Water Valve
Water Flow Sensor
BROWN YELLOW BLACK WHITE
Flame Se
nse Ro
d
YELLOW BLACK
BLACK
BLACK
BROWN BROWN
RED RED
BLUE
BLUE
Thermistors
J12
Gas Valves / ECO
J13
Pump
J15
Auxiliary Out/Igniter
J16
XFMR Pr
(Transformer)
J7
Power 120Vac
J4
XFMR Sec
J3
Thermal Fuse
J2
Blower
Blower
BROWN BROWN
BLACK BLACK
GREEN
BLACK
WHITE
BLACK
WHITE
Power Transformer
ORANGE
ORANGE
YELLOW
YELLOW
WHITE
WHITE
BLUE
BLUE
BLACK
GREY
BROWN
Inlet
Outlet
ECO
Gas Valves
120 Vac
Thermal Fuse
Pump
Igniter
BLACK
YELLOW
GREY
GREY
SW1
MC
U
(Micro Controller)
YEL LOW
BROWN
M
M
GREEN
RED
RED BLUE
BLUE RED RED BLUE
BLUE
RED
F1
Fuse
GREEN
BLUE
12
3
4
1 1
1
1
1
1
1
1
1
1
1
1
1
2 2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
4
4
4
6
4 5
10
9 8 7 6
5 6
56
78
9
5 4
12
3
45
6
Mai
n
1s
t
2
n
d
Pro
p
FIGURE 34