AO Smith Water Heater AJH 1000A P User Manual

Built tough with maximum efficiency  
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  
proper pipe, pump and wire sizing. Systems are pre-piped and  
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).  
Multi-Tank Systems - For applications with low ceiling heights  
or unique installation challenges.  
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 and double wall.  
Complete control packages can be factory installed.  
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.  
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 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.  
June 2007R  
A010.7  
 
CONFIGURATION S  
CONFIGURATION P  
CONTACT FACTORY FOR APPROPRIATE BOILER/TANK COMBINATION  
A 010.9  
 
Model to Specify:  
DWT - 1210 - AJH - 1000A - P  
Indicates System Configuration  
A = ASME Code  
Tank Capacity (Gallons Storage)  
Tank Type (AJV = Vertical, AJH = Horizontal)  
Boiler BTU Size  
T =  
Boiler Type  
System  
BOILERDATA  
DW-720 DW-840 DW-960 DW-1080 DW-1210 DW-1350 DW-1480 DW-1610 DW-1810  
LENGTH (C2) 46 1/2  
52 1/2  
30  
57 3/4  
30  
53  
32 3/4  
60  
58 1/2  
32 3/4  
60  
64 1/2  
32 3/4  
60  
39 1/2  
34  
75  
34  
82 1/2  
34  
WIDTH (C1)  
HEIGHT (D)  
INLET SIZE  
GAS INLET  
30  
56 3/4  
2
56 3/4  
2
56 3/4  
2
62 1/2  
2 1/2  
1 1/2  
62 1/2  
2 1/2  
1 1/2  
62 1/2  
2 1/2  
1 1/2  
2 1/2  
1 1/4  
2 1/2  
1 1/2  
2 1/2  
1 1/2  
1 1/4  
1 1/4  
1 1/4  
VERTICAL VESSEL DATA  
AJV-80 AJV-120 AJV-140 AJV-200 AJV-250 AJV-350 AJV-400 AJV-500T AJV-500 AJV-750 AJV-1000  
HEIGHT (A)  
54.25  
28  
15  
2
67.25  
28  
15  
2
88  
30  
84  
36  
97  
36  
99  
42  
106  
42  
101  
48  
24  
3
86  
54  
118  
54  
150  
54  
WIDTH (B1)  
INLETHEIGHT(B2)  
INLETSIZE  
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 1/2  
2 1/2  
2 1/2  
2 1/2  
OUTLETSIZE  
2
2
3
3
3
3
HORIZONTAL VESSEL DATA  
AJH 200 AJH 350  
AJH 400 AJHT 500 AJH 500  
AJH750  
111  
22.5  
54  
AJH 1000  
LENGTH (A1)  
OUTLET DIM (A2)  
WIDTH (B1)  
77  
18  
93  
19.5  
42  
99  
19.5  
42  
94  
21  
48  
16  
27  
3
79  
22.5  
54  
143  
22.5  
54  
36  
HEIGHT(B2)  
16  
15.5  
24  
15.5  
24  
16.5  
30  
16.5  
30  
16.5  
30  
INLETHEIGHT(B3)  
INLETSIZE  
21  
2 1/2  
2 1/2  
2 1/2  
2 1/2  
2 1/2  
2 1/2  
3
3
3
OUTLETSIZE  
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 Dura-Max Boiler specifications A & E Page # A 010.0.  
See A.O.Smith Storage Specifications A & E Page #'s A 412.0 & A 416.0.  
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 Company  
Ashland City, TN  
A.O. Smith Water Products Co., Inc. On Line  
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.  
A010.10  
© A. O. SMITH CORP. 1999  
 
Printed in the U.S.A.  

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