BTC 120-500 - AO Smith Water Heaters
BTC 120-500 - AO Smith Water Heaters
BTC 120-500 - AO Smith Water Heaters
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<strong>BTC</strong> TANK TYPE HEATERS<br />
SERVICE WORKBOOK<br />
COMPONENT PART INFORMATION<br />
NAME<br />
SPECIFICATIONS<br />
DUAL<br />
CONTROLLER<br />
THERMOSTAT<br />
HIGH LIMIT<br />
(ECO)<br />
<strong>120</strong>-180 O RANGE, + 4 O , 5 O<br />
DIFFERENTIAL,<br />
LIQUID FILLED, ANTI-<br />
STACKING<br />
OPENS - 205 O FIXED,<br />
MANUAL<br />
RESET BELOW 185 O<br />
GAS VALVE NATURAL GAS <strong>BTC</strong> <strong>120</strong> THRU 250, 275<br />
THRU 400 24 VAC, 60<br />
HZ, .6A; .7 TO 3.5" W.C. STEP<br />
<strong>BTC</strong>-400; 24 VAC, 60 HZ, .6A;<br />
.8 TO 3.5" W.C. STEP<br />
<strong>BTC</strong>-<strong>500</strong>; 24 VAC, 60 HZ, .7A;<br />
STEP OPENING<br />
INTERMITENT<br />
IGNITION DEVICE<br />
CONTROL<br />
DAMPER<br />
TRANSFORMER<br />
PROPANE GAS<br />
NATURAL GAS<br />
AND PROPANE<br />
GAS<br />
<strong>BTC</strong> <strong>120</strong> THRU 400; 24 VAC,<br />
60 HZ,<br />
.6A 2.5 TO 10" W.C. STEP<br />
<strong>BTC</strong> <strong>500</strong>; 24 VAC, 60 HZ, .7A;<br />
STEP OPENING<br />
24 VAC, 50-60 HZ, .1A;<br />
.7 MICROAMP SIGNAL<br />
CONTINUOUS RETRIAL<br />
COMPLETE<br />
ASSEMBLY<br />
MOTOR 24 VAC, 60 HZ, <strong>120</strong> RPM, 5<br />
WATT<br />
P.C. BOARD<br />
W/RELAY<br />
MOMENTARY PUSH BUTTON<br />
<strong>120</strong> V PRIMARY, 24 VAC<br />
SECONDARY,<br />
40 VA, 50-60 HZ, CLASS 2 "B"<br />
A.O. <strong>Smith</strong> <strong>Water</strong> Products<br />
Irving, Texas ©1998<br />
50<br />
Service Workbook<br />
Training Department
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