A. O. Smith HWT-300 User Manual
Hot Water Supply Systems
HOT WATER SUPPLY SYSTEMS
The “TOTAL SYSTEM” Concept - We have taken our highly efficient equipment and
created a convenient package; a complete domestic hot water system.
MODELS
HWT-300
THRU
FEATURES
SIMPLIFIES INSTALLATION
The installer simply connects the ue, gas,
§
electric supply, cold water make-up, and hot
water supply (Building return loops connect to
cold water make-up.)
ELIMINATES COSTLY FIELD ERRORS
These complete hot water systems are factory-
§
engineered and assembled to assure proper pipe,
pump and wiring sizing
Systems are pre-piped and wired to guarantee
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maximum system efficiency
FACTORY TESTED
Each Ac-U-Temp system is hydrostatic and re
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tested before shipping from the factory
AC-U-TEMP STORAGE TANKS
Each Ac-U-Temp storage tank is especially
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designed with tank opening locations that
provide maximum tank draw efficiency and
eliminate any unnecessary piping
and connections
Standard Ac-U-Temp tanks are factory jacketed
§
and insulated (Bare tanks to be insulated by
others are also available.)
The Ac-U-Tanks are factory standard with the
§
same superior glass lining that has set new
standards for the tank industry
Standard tank capacities range from 80 gallons
§
to 1,000 gallons (Custom tanks to 10,000 gallons
are available)
OTHER FEATURES
ASME TEMPERATURES AND PRESSURE
RELIEF VALVE 125#
Tank Temperature Sensor
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Tank Thermometer
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Isolation Valves (Reliable Ball Valves)
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Superior I-Beam Skid
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125 psi Tank Construction
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Factory sized and supplied pump
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OPTIONS
Sequencing Control Panel (For Multi-Unit
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systems)
150 and 160 psi Tank Construction
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11” x 15” Manholes
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Cement and Epoxy Tanks Linings
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CUSTOM AC-U-TEMP SYSTEMS
All Ac-U-Temp Systems are built-to-order, and
§
can be precisely designed to specifically meet
your specifications
Many combinations of heaters and
§
tanks are available. Consult your
local A. O. Smith Representative
for factory assistance.
MULTI-UNIT SYSTEMS
High recovery systems that can
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meet any hot water demand
Systems can be designed to
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provide 50 to 100% back-up
Heaters can be on & off red,
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or sequenced to meet changing
system demands
Sequenced multi-unit systems that
§
employ relatively small storage
tanks are ideal for applications
with constant, yet uctuating hot
water demands
MULTI-TANK SYSTEMS
For applications with low
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ceiling heights or unique
installation challenges
OPTIONAL DUAL ENERGY
SOURCE CAPABILITY
Ac-U-Temp storage tanks can be specied
§
with heat exchangers; allows winter/summer
heating operation
Both, water-to-water, or steam-to-water heat
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exchangers are available in both single wall
and double wall
Complete control packages can be factory
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installed for hook-up and run capability
Electric Back-up - Heavy-duty electric water
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heater elements and controls can be specified
for up to 3,000 KW; 100% electric back-up
Provides hot water even during natural gas
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curtailments
LIMITED WARRANTY OUTLINE
If the heat exchanger modules should fail
§
within 5 years, under the terms of the warranty,
A. O. Smith will furnish a replacement part;
installation, labor, handling and local delivery
extra. If the tank should leak any time during
the rst 5 years, under terms of the warranty,
A. O. Smith will repair or replace the tank;
installation, labor , handling and local delivery
extra. THIS OUTLINE IS NOT THE WARRANTY.
For complete information, consult the written
warranties or A. O. Smith.
HWT-670
A. O. Smith Corporation • 500 Tennessee Waltz Parkway • Ashland City, TN 37015 • 800-527-1953 Toll-free USA
www.hotwater.com
Page 1 of 4
Revised July 2014 AOSCG25650
Hot Water Supply Systems
CONFIGURATION V
CONFIGURATION H
A. O. Smith Corporation • 500 Tennessee Waltz Parkway • Ashland City, TN 37015 • 800-527-1953 Toll-free USA
www.hotwater.com
Page 2 of 4
AOSCG25650
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