A.O. Smith BT-100 Water Heater User Manual


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Revised September 2008
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AOSCG10600
TANK-TYPE WATER HEATERS
BT-65, 80 & 100
FEATURES
All models comply with ASHRAE/IES 90.1-2004.
GLASS-LINED TANK — Assures years of rust-free clean hot water.
FULLY AUTOMATIC CONTROLS WITH SAFETY SHUTOFF — Accurate, dependable control
system requires no electric connections. Fixed automatic gas shutoff device for added safety.
Not recommended for 180°F sanitizing.
HEAVY GAUGE STEEL JACKET — Finished with baked enamel over bonderized undercoat.
FOAM INSULATION — Saves fuel, helps reduce standby heat loss.
CERTIFICATION — BT-65 units are design certified by CSA (Canadian Gas Association for units built
in Canada). Certified for installation on combustible flooring.
LOW NOx — All models meet or exceed current Texas and California SCAQMD Air Quality
Standards.
EASY TO INSTALL — Completely factory assembled. Only gas, water and vent connections need
be made. All connections are located in front and top of heaters for ease of installation and service.
DRAFT DIVERTER — Low profile diverter furnished as standard equipment.
MAXIMUM WORKING PRESSURE — 150 psi.
MAXIMUM GAS INLET PRESSURE — 14" W.C.
HANDHOLE CLEANOUT — On models BT-80 & BT-100. Allows easy tank cleaning.
OTHER FEATURES
• Built-in gas filter and integral dirt leg (propane only) • Anodic protection • Equipped with gas
pressure regulator • Integral automatic gas shutoff system prevents excessive water temperature
• Factory installed A.G.A./ASME rated temperature and pressure relief valve.
Capacity ratings are actual heater performance at 80% thermal efficiency.
NOTE: To compensate for the effects of high altitude areas above 2,000 feet, recovery capacity should be reduced approximately 4%
for every 1,000 feet above sea level.
BT-80 AND 100
BT-65
RECOVERY CAPACITIES
Approx. Input Type TEMPERATURE RISE
Cap. Rating of 30°F/ 40°F/ 50°F/ 60°F/ 70°F/ 80°F/ 90°F/ 100°F/ 110°F/ 120°F/ 130°F/ 140°F/
Models Gal’s. Litres Btu/Hr. KW/Hr. Gas 17°C 22°C 28°C 33°C 39°C 45°C 50°C 56°C 61°C 67°C 72°C 78°C
BT-65 65 246 65,000 19.0 GPH 200 150 120 100 86 75 67 60 54 50 46 43
LPH 758 569 455 379 326 284 254 227 205 190 174 163
BT-80 74 280 75,100 22 GPH 243 182 146 121 104 91 81 73 66 61 56 52
LPH 916 686 550 456 392 343 305 275 249 230 211 196
BT-100 100 379 75,100 22 GPH 243 182 146 121 104 91 81 73 66 61 56 52
LPH 916 686 550 456 392 343 305 275 249 230 211 196
18
55,000
Commercial Gas Water Heater
THREE YEAR LIMITED WARRANTY — For complete warranty information, consult written
warranty or contact A.O. Smith