A.O. Smith BTN-80 User Manual
Commercial Gas Water Heaters
FEATURES
The BTN-80 and BTN-100 are equipped with a factory-mounted blower that is pre-wired. This
blower produces a pre-ignition draft of make-up air prior to burner ignition and provides more
efficient control of heat and helps ensure an adequate supply of make-up air. Prior to ignition,
the control proves a working draft.
FACTORY-INSTALLED BLOWER
system connection
INTELLI-VENT™ GAS CONTROL
RATED AS CATEGORY I APPLIANCE
FULLY AUTOMATIC CONTROL SYSTEM
Adjustable thermostat with 120
FACTORY EQUIPPED WITH DUAL BURNERS
GLASSLINED TANK
O
- 180OF range
MODELS
BTN-80
and
BTN-100
protection
HANDHOLE CLEANOUT
CSA CERTIFIED AND ASME RATED T&P RELIEF VALVE
MAXIMUM HYDROSTATIC WORKING PRESSURE: 150 PSI
80% THERMAL EFFICIENCY
CODES AND STANDARDS
Meets the thermal efficiency and standby loss requirements of the U.S. Department of
Energy and current edition of ASHRAE/IESNA 90.1
Complies with Texas Low Nox and Air Quality Management Districts with requirements of
less than 40 ng/j
THREE-YEAR LIMITED TANK WARRANTY
CONSERVATIONIST® BTN OPTIONS
Intelli-Vent™ is a registered trademark of Emerson Electric Company.
Low Lead Content
Revised April 2012
Revised March 2009
PG 1 OF 2
AOSCG10800
TABLE1, DIMENSIONS
MODEL
BTN-80
A B C D E F G H J K L M
Commercial Gas Water Heaters
1
BTN-100
TABLE 2, RECOVERY CAPACITIES (based on 80% thermal efficiency)
Gallon
Model
Capacity
BTN-
80
BTN-
100
Recovery capacity based on 80% thermal efficiency.
80,000
90,000
98
80,000
F° 70° 72° 80° 90° 100° 108° 110° 120°
C° 17° 20° 28° 70° 72° 78°
GPH 111 108 97 77 71 70
GPH 102 92 82
GPH 291 218 121 109 97 87 81 79
GPH 111 108 97 77 71 70
TABLE 3, GAS AND ELECTRICAL CHARACTERISTICS
Type of Gas kPa
Natural Gas 1.12
Propane Gas 10.0
Manifold Pressure
SUGGESTED SPECIFICATION
209
280 220 201
299
209
Glasslined water heater(s) shall also be protected against electrolytic corrosion by a factory-installed A. O. Smith CoreGard™ anode rod.
In addition, water heater(s) shall be equipped with: 1) An Intelli-Vent™ gas control system with silicon nitride hot surface igniter,
advanced electronics for more precise control of water temperature, and easy-to-understand system diagnostics. 2) An auto reset gas
shutoff device, a gass pressure regulator, CSA Certified and ASME rated T&P relief valve. 3) Certification by Underwriters Laboratories
under Volume III tests for commercial water heaters for delivery of 180O water. 4) Design certification according to ANSI Z21.10.3 - CSA
4.3 standards governing storage-type water heaters. 5) Meets the thermal efficiency and standby loss requirements of the U.S. Department of Energy and current edition of ASHRAE/IESNA 90.1. 6) Have a 3-year limited warranty against corrosion as outlined in the
written warranty.
Revised April 2012
www.hotwater.com
AOSCG10800
PG 2 OF 2
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