Download A.O. Smith 100 Series Instruction manual

J14 Socket - Limit String
PIN #
1
2
3
4
5
6
7
8
9
10
11
12
DESCRIPTION
Anode
Grounding
Flame Sensor
Condensate
Not Used
Condensate
Gas Pressure Switch
Gas Pressure Switch
Gas Control Valve
Gas Control Valve
24V
24V Return
J15 Socket - Pressure Switches
PIN #
1
2
3
4
DESCRIPTION
Blower Prover Pressure Switch / Blocked Air Intake Pressure Switch
Blocked Air Intake Pressure Switch / Blocked Exhaust Pressure Switch
Blower Prover Pressure Switch
Blocked Exhaust Pressure Switch
J16 Socket - Low Voltage In
PIN #
1
2
3
4
5
6
DESCRIPTION
24V AC
24V AC
Not Used
12V DC
5V DC
Grounding
Servicing should only be performed by a Qualified Service Technician
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