Download A.O. Smith 1850 Specifications

LOCATION OF PARTS
Back of Heater
Rear or Top Vent
Connection
120V 24V
Junction Box
Rear Air
Intake
Pump Ground Terminal 1 Green
Pump Neutral Terminal 2 White
Pump 120VAC Hot Terminal 3 Black
Ground Input Terminal 4 Green
120VAC Neutral Input Terminal 5 White
120VAC Hot Input Terminal 6 Black
Tank Probe Terminal 1 Yellow
Tank Probe Terminal 2 Yellow
Ext. TSTAT Terminal 3 Blue Black
Ext. TSTAT Terminal 4 Black White
Power Vent Terminal 5 Yellow Red
Prover Switch
Power Vent Terminal 6 White Black
Prover Switch
Power Vent Terminal 7 Red White
Prover Switch
A. O. Smith Water Products
Ashland City, Tennessee 2005©
16
Service Workbook
Training Department