A.O. Smith BTX-100 User Manual
Commercial Gas Water Heaters
96% THERMAL EFFICIENCY
VERSATILE POWER DIRECT-VENT
The Cyclone Xi™ is a light-duty, power direct-vent, fully condensing commercial gas water
heater with an internal helical heat exchanger. This helical heat exchanger helps Cyclone Xi
achieve 96% thermal efficiency and deliver outstanding hot water output.
HELICAL INTERNAL HEAT EXCHANGER
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Completely surrounded by water in tank, provides much greater heat transfer
surface than standard straight flue tube
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Produces 96% thermal efficiency, which saves money on operating costs,
increases hot water output compared to standard-efficiency water heaters
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Minimizes standby losses by trapping heat in the tank
VERSATILE POWER DIRECT-VENT DESIGN
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Power Direct-Vent System allows up to 120 feet using PVC, CPVC, or ABS pipe. Can be
vented vertically thru-the-roof or horizontally thru-the-wall
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2” pipe, vents up to 20 equivalent feet
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3” pipe, vents up to 60 equivalent feet
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4” pipe, vents up to 120 equivalent feet
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Optional concentric vent kit available
CONDENSING DESIGN
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96% efficient condensing deign
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Equipped with condensate drain tee
HIGH OUPUT WITH SMALL FOOTPRINT
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22” diameter, combined with 96% efficiency, 50-gallon tank and 100,000 BTU
input means Cyclone Xi can be installed in less space than a larger 75-gallon
unit, with equal or better performance
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Total height is 68-1/2” to top of unit
SIDE-MOUNTED HOT AND COLD RECIRCULATING TAPS
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Allows Cyclone Xi to be installed as part of combination space heating/water
heating applications, or any system requiring a recirculating hot water loop
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Plugs for the recirculating taps are factory installed
ADVANCED ELECTRONIC CONTROL
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Large LCD display
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Precise temperature control
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Advanced diagnostics
PERMAGLAS® ULTRA COAT™ GLASS LINING
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A. O. Smith exclusive process provides superior protection against corrosion
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Protects all interior tank surfaces including inside and outside of helical
heat exchanger
TWO HEAVY-DUTY ANODE RODS
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Provides advanced protection against corrosion
AVAILABLE IN NATURAL GAS AND PROPANE
®
TOP FIRED LOW-NOX GREEN CHOICE
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“Eco-friendly” design reduces NOx emissions
and complies with Southern California and Texas requirements
FACTORY-INSTALLED TEMPERATURE AND PRESSURE RELIEF VALVE
MAXIMUM HYDROSTATIC WORKING PRESSURE: 150 PSI
CODES AND STANDARDS
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Design-certified by UL (Underwriters Laboratories) according to
ANSI Z21.10.3-CSA4.3 standards governing storage-type water heaters
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These models meet or exceed the thermal efficiency and standby loss requirements of
ASHRAE 90.1 (current standard)
GAS BURNER
BTX-100
GAS-FIRED GAS-FIRED
AOSCG10101April 2008
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Commercial Gas Water Heaters
96% THERMAL EFFICIENCY
VERSATILE POWER DIRECT-VENT
THREE-YEAR LIMITED TANK WARRANTY
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For complete warranty details, consult written warranty shipped with heater or contact A. O. Smith
SPECIFICATIONS
MODEL
NUMBER
INPUT
PER
HOUR
BTX-100 100,000
Maximum Supply Pressure: 14 inches W.C. (3.48kPa) n Minimum Supply Pressure for Natural Gas: 3.50” (.87kPa) n Minimum Supply Pressure for Propane Gas: 8.00” (1.99kPa)
Minimum pressure must be maintained under both load and no load (dynamic and static) conditions. n Electrical Characteristics - 120V, 60Hz, Amperes <5
Approved for Canada
BTU
GALLONS
OR
LITRES
Gallons
Litres
TANK
SIZE
50 291 116 83 255 lbs
189 1102 439 314 115.7 kg’s
DIMENSIONS
BTX-100 A B C D
INCHES 68-1/2 49-1/4
CM 174 125.09 55.88 40 7.62
Top inlet and outlet: 3/4” male NPT n Side inlet and outlet: 3/4 ” female NPT n Gas inlet: 1/2” NPT n Availabl e natural gas a nd propane
RECOVERY - GALLONS OR
LITRES PER HOUR AT
DEGREE RISE
40°F 100°F 140°F
22°C 56°C 78°C
22 15-3/4 3 8
SHIPPING
WEIGHT
E
F
20.32
3” DIAMETER
PVC VENT/EXHAUST
4 1/2” DIAMETER
*21 1/8”
**39”
1 1/2”
1 3/16”
3” DIAMETER PVC
INTAKE/COMBUSTION AIR
OPTIONAL CONCENTRIC VENT KIT
SUGGESTED SPECIFICATION
(Natural or Propane) gas water heater(s) shall be A. O. Smith Cyclone Xi model # BTX-100, with 96% thermal efciency, a storage capacity of 50 gallons, an input rating of 100,000 BTUs per hour, a
recovery rating of 116 gallons per hour at 100ºF rise and a maximum hydrostatic working pressure of 150 psi. Water heater(s) shall be of power direct-vent design, using 2”, 3” or 4” PVC pipe for
horizontal and/or vertical vent runs. Water heater(s) shall have: 1: Seamless, glass lined steel tank construction and a spiral-shaped heat exchanger placed entirely inside the tank, which shall be glass
lined on the ue gas side to protect against acidic condensate. 2: Advanced electronic control w/ LCD display and actual diagnotic. 3: A 3-year limited warranty against tank leaks. Water heater(s) shall
meet or exceed ASHRAE 90.1 (current standard), and be design-certied by UL (Underwriters Laboratories) according to ANSI Z21.10.3-CSA4.3 standards governing storage tank water heaters.
For Technical Information and Automated Fax Service, call 800-527-1953. A.O. Smith Corporation reserves the right to make product changes or improvements without prior notice.
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www.hotwater.com
AOSCG10101
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