Commercial Gas Water Heaters
96% THERMAL EFFICIENCY
VERSATILE POWER DIRECT-VENT
BTX-100
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
Minimizes standby losses by trapping heat in the tank
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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
GAS-FIRED
GAS-FIRED
AVAILABLE IN NATURAL GAS AND PROPANE
TOP FIRED LOW-NOX GREEN CHOICE® GAS BURNER
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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)
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April 2008
AOSCG10101
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
RECOVERY - GALLONS OR
LITRES PER HOUR AT
DEGREE RISE
BTU
INPUT
PER
GALLONS
OR
LITRES
MODEL
NUMBER
TANK
SIZE
SHIPPING
WEIGHT
HOUR
40°F
100°F
56°C
116
140°F
22°C
291
78°C
83
Gallons
Litres
50
255 lbs
BTX-100
100,000
189
1102
439
314
115.7 kg’s
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
DIMENSIONS
BTX-100
INCHES
CM
A
B
C
22
D
15-3/4
40
E
3
F
8
68-1/2
174
49-1/4
125.09
55.88
7.62
20.32
Top inlet and outlet: 3/4” male NPT n Side inlet and outlet: 3/4” female NPT n Gas inlet: 1/2” NPT n Available natural gas and propane
3” DIAMETER
PVC VENT/EXHAUST
4 1/2” DIAMETER
*21 1/8”
1 3/16”
1 1/2”
3” DIAMETER PVC
INTAKE/COMBUSTION AIR
**39”
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 efficiency, 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 flue 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-certified 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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AOSCG10101
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