AO Smith Water Heater Ac U Temp User Manual

CONSERVATIONIST®  
COMMERCIAL BOILERS  
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.  
Simplifies Installation- The installer simply connects the flue,  
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  
properpipe, pumpandwiringsizing. Systemsarepre-pipedand  
wired to guarantee maximum system efficiency.  
Factory Tested- Each Ac-U-Temp system is hydrostatic and  
fire tested before shipping from the factory.  
Ac-U-Temp Storage Tanks- Each Ac-U-Temp storage tank is  
especially 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- Tank Thermometer- Isolation Valves  
(Reliable Ball Valves) - Superior I-Beam Skid - 125 psi Tank  
Construction - CI Bronze Fitted Pump.  
Optional Dual Energy Source Capability - Ac-U-Temp storage  
tanks can be specified with heat exchangers; allows winter/  
summer heating boiler operation. Both, water to water, or steam  
to water exchangers are available in both single wall and double  
wall. Complete control packages can be factory installed for hook-  
up and run capability.  
Options- All Bronze Circulating Pump - Sequencing Control  
Panel (For Multi-Boiler systems) - 150 and 160 psi Tank  
Construction - 11" x 15" Manholes- Cement and Epoxy Tanks  
Linings.  
Electric Back-up - Heavy - duty electric water heater elements  
and controls can be specified for up to 3,000 KW; 100% electric  
back-up. Provides hot water even during natural gas curtailments.  
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 boilers and tanks are  
available. Consult your local A.O. Smith Representative for  
factory assistance.  
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 first 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 boiler and  
tank warranties or information, consult the boiler  
and tank warranties or A.O Smith Water Products  
Company.  
Multi-Boiler SystemS- High recovery systems that can meet  
any hot water demand. Systems can be designed to provide 50  
to 100% back-up. Boilers can be on & off fired, or sequenced to  
meet changing system demands. Sequenced multi-boiler  
systems that employ relatively small storage tanks are ideal for  
applications with constant, yet fluctuating hot water demands.  
Multi-Tank Systems- For applications with low ceiling heights  
or unique installation challenges.  
Revised June 1999 (Reviewed July 2003)  
A 011.4  
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CONFIGURATION S  
CONFIGURATION P  
A 011.6  
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Model to Specify:  
HWT - 670 - TJH - 500 A - S  
Indicates System Configuration  
A = ASME Code  
Tank Capacity (Gallons Storage)  
Tank Type (TJV = Vertical, TJH = Horizontal)  
Boiler BTU Size  
T =  
System  
Boiler Type  
BOILERDATA  
HW-300 HW-399 HW-420 HW-520 HW-520  
LENGTH (C2) 25 1/4  
27  
32  
27  
32  
27  
34  
71  
2
27  
34  
67  
2
WIDTH (C1)  
HEIGHT (D)  
INLET SIZE  
GAS INLET  
30 1/4  
67  
59  
59  
1 1/4  
3/4  
1 1/2  
1
1 1/2  
1
1
1
VERTICAL VESSEL DATA  
TJ80A  
66.25  
28  
TJV120 TJV140  
TJV200  
TJV250  
96  
TJV350 TJV400 TJVT500 TJV500 TJV750 TJV1000  
HEIGHT (A)  
66  
28  
15  
2
88  
30  
84  
36  
99  
42  
92  
42  
101  
48  
24  
3
86  
54  
118  
54  
150  
54  
WIDTH (B1)  
36  
INLET HEIGHT (B2)  
INLET SIZE  
15  
19 1/2  
2 1/2  
2 1/2  
21  
21  
22 1/2  
2 1/2  
2 1/2  
22 1/2  
2 1/2  
2 1/2  
25 1/2  
3
25 1/2  
3
25 1/2  
3
2
2 1/2  
2 1/2  
2 1/2  
2 1/2  
OUTLET SIZE  
2
2
3
3
3
3
HORIZONTAL VESSEL DATA  
TJH 200 TJH 350 TJH 400 TJHT 500 TJH 500 TJH750  
TJH 1000  
LENGTH (A1)  
OUTLET DIM (A2)  
WIDTH (B1)  
77  
59  
93  
72 1/2  
42  
99  
72 1/2  
42  
94  
73  
48  
53  
27  
3
79  
56 1/2  
54  
111  
88 1/2  
54  
143  
120 1/2  
36  
54  
59  
30  
3
HEIGHT (B2)  
41  
47  
47  
59  
59  
INLET HEIGHT (B3)  
INLET SIZE  
21  
24  
24  
30  
30  
2 1/2  
2 1/2  
2 1/2  
2 1/2  
2 1/2  
2 1/2  
3
3
OUTLET SIZE  
3
3
3
3
SUGGESTED SPECIFICATION  
Hot Water Supply System- shall consist of A.O. SMITH Ac-U-Temp® factory assembled unit Model No. _________. System shall  
be completely factory assembled and shall include the A.O. SMITH copper heat exchanger type hot water supply boiler(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 Boiler specifications A & E Page # A 011.1  
Hot water supply boiler(s) and storage tank(s) shall have a 5 year limited warranty against corrosion as outlined in the written  
warranty.  
NOTE: Custom arrangement also available. Consult factory.  
A.O. Smith Water Products Co., Inc. On Line  
A.O.Smith  
Water Products Company  
Ashland City, TN  
A Division of A.O. Smith Corporation  
For Technical Information and  
Automated Fax Service,  
Phone: 800-527-1953  
A.O. Smith Corporation reserves the right to make product changes or  
improvements at any time without notice.  
A 011.7  
© A. O. SMITH CORP. 1999  
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Printed in the U.S.A.  

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