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-
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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
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and insulated (Bare tanks to be insulated by
others are also available.)
The Ac-U-Tanks are factory standard with the
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same superior glass lining that has set new
standards for the tank industry
Standard tank capacities range from 80 gallons
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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
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can be precisely designed to specifically meet
your specifications
Many combinations of heaters and
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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
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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
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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
Hot Water Supply Systems
CONFIGURATION S
CONFIGURATION P
A. O. Smith Corporation • 500 Tennessee Waltz Parkway • Ashland City, TN 37015 • 800-527-1953 Toll-free USA
www.hotwater.com
Page 3 of 4
AOSCG25650
Hot Water Supply Systems
MODEL TO SPECIFY: HW T - 670 - TJH - 500 A - S
HEATER DATA
HW-300 HW-399 HW-420 HW-520 HW-670
LENGTH (C2) 25 1/4 27 27 27 27
WIDTH (C1) 30 1/4 32 32 34 34
HEIGHT (D) 67 59 59 71 67
INLET SIZE 1 1/4 1 1/2 1 1/2 2 2
GAS INLET 3/4 1 1 1 1
Indicates System Configuration
A = ASME Code
Tank Capacity (Gallons Storage)
Tank Type (TJV = Vertical, TJH = Horizontal)
BTU Size
T = Ac-U-Temp System
Unit Type
VERTICAL VESSEL DATA
TJ-80A TJV-120 TJV-140 TJV-200 TJV-250 TJV-350 TJV-400 TJVT-500 TJV-500 TJV-750 TJV-1000
HEIGHT (A) 66 1/4 66 88 84 96 99 107 101 86 118 150
WIDTH (B1) 28 28 30 36 36 42 42 48 54 54 54
INLET HEIGHT (B2) 15 15 19 1/2 21 21 22 1/2 22 1/2 24 25 1/2 25 1/2 25 1/2
INLET SIZE 2 2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 3 3 3 3
OUTLET SIZE 2 2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 3 3 3 3
HORIZONTAL VESSEL DATA
TJH-200 TJH-350 TJH-400 TJHT-500 TJH-500 TJH-750 TJH-1000
LENGTH (A1) 77 93 99 94 79 111 143
OUTLET DIM (A2) 59 72 1/2 72 1/2 73 56 1/2 88 1/2 120 1/2
WIDTH (B1) 36 42 42 48 54 54 54
HEIGHT (B2) 41 47 47 53 59 59 59
INLET HEIGHT (B3) 21 24 24 27 30 30 30
INLET SIZE 2 1/2 2 1/2 2 1/2 3 3 3 3
OUTLET SIZE 2 1/2 2 1/2 2 1/2 3 3 3 3
SUGGESTED SPECIFICATION
The Hot Water Supply System - shall consist of A. O. Smith Ac-U-Temp® factory assembled system Model No. _________. System shall be completely
factory assembled and shall include the A. O. Smith copper heat exchanger circulating water heater(s), with input of _______ BTU/H for _______ gas
and recovery capacity of _______ gph, and the A. O. Smith glass-lined (cement/epoxy) hot water storage tank with ______ gallons capacity for
________ mounting (vertical-horizontal). System shall include properly sized circulator, inlet and outlet thermometers, tank temperature thermometer,
relief valve, and tank temperature control. Entire system shall be rigidly mounted on welded steel skid base and shipped assembled to job site
(Ac-U-Temp systems employing tanks too large for shipping as an assembled unit, will be shipped with the tank mounted on a split bolt-together skid).
See HW Circulating Water Heater Specification Sheet or go to www.hotwater.com.
Circulating Water Heater(s) and storage tank(s) shall have a 5 year limited warranty against corrosion as outlined in the written warranty.
NOTE: Custom supply systems also available, consult factory.
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.
A. O. Smith Corporation • 500 Tennessee Waltz Parkway • Ashland City, TN 37015 • 800-527-1953 Toll-free USA
www.hotwater.com Revised July 2014
Page 4 of 4
AOSCG25650
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