Commercial Gas Boilers
VWT-500
through
VWT-1000
™
TOTAL HOT WATER SUPPLY SYSTEM USING VF BOILERS
With Ac-U-Temp, A. O. Smith makes it as easy as possible to install a complete packaged hot
water supply system, combining high-efficiency VF™ boilers with storage tanks up to 10,000
gallons. Each Ac-U-Temp system is custom-made to your specifications for each application
and shipped fully assembled, pre-piped and pre-wired. All the installer has to do is make the
flue, gas, electrical and water connections, so installations are easy.
Consult your A. O. Smith representative for more information
on the wide range of available boiler/storage tank combinations
using the Ac-U-Temp system.
VF MODULATING BOILERS
UP TO 88% THERMAL EFFICIENCY
• A. O. Smith’s most efficient hot water supply boilers
• Available inputs: 500,000, 750,000, 1,000,000 BTUs
• Flexible conventional-vent or sealed-combustion
direct-vent options
• For complete information on VF Hot Water Supply
Boilers, consult VF Specification Sheet
GLASS-LINED STORAGE TANKS
• Standard capacities up to 1,000 gallons
• Custom tanks available up to 10,000 gallons
• Standard tanks are factory jacketed and insulated –
bare uninsulated tanks also available
• Optional cement or epoxy-lined tanks available
• For complete information on standard and optional
tanks, consult tank Specification Sheet
MULTIPLE BOILER SYSTEMS
• Ac-U-Temp systems can be designed with multiple
boilers to provide 50% to 100% back-up
• Multi-boiler systems can be sequenced to meet
changing system demands
• Sequenced multi-boiler systems with small storage
tanks are ideal for applications with relatively constant
hot water demands
• Optional sequenced control panel available
MULTIPLE TANK SYSTEMS
• Ac-U-Temp systems can be designed with multiple
tanks for applications with low ceiling heights or other
unique installation challenges
Page 1 of 4
ACMSS00507
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April 2007
Commercial Gas Boilers
™
TOTAL HOT WATER SUPPLY SYSTEM USING VF BOILERS
Configuration H
Configuration P
Configuration V
The above are standard available configurations. Custom configurations designed to your specifications are available. Contact your local
A. O. Smith Sales Representative for assistance.
Page 3 of 4
ACMSS00507
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Commercial Gas Boilers
™
TOTAL HOT WATER SUPPLY SYSTEM USING VF BOILERS
OTHER FEATURES:
DUAL-ENERGY SOURCE OPTION
ASME TEMPERATURE AND PRESSURE RELIEF
VALVE #125
• Storage tanks can be specified with an optional
heat exchanger for winter heating using on-site
hydronic heating boiler(s), switching to domestic
hot water boiler(s) for summertime operation
TANK TEMPERATURE SENSOR AND
THERMOMETER
ISOLATION VALVES (BALL VALVES)
125 PSI TANK WORKING PRESSURE
ALL-BRONZE CIRCULATING PUMP
• Water-to-water or steam-to-water heat exchangers
available in single-wall or double-wall design
• Complete control packages can be factory-installed
for “hook up and run” simplicity
LARGE SYSTEMS SHIPPED WITH SPLIT/
BOLT TOGETHER SKIDS FOR EASE OF
SHIPPING AND INSTALLATION
PROFESSIONAL START-UP SERVICE FURNISHED
• Assures optimum performance for each installation
OTHER OPTIONS:
150 AND 160 PSI TANK WORKING PRESSURES
11˝ X 15˝ MANHOLES
MEETS ASHRAE/IESNA 90.1-1999
5 YEAR VF BOILER HEAT EXCHANGER WARRANTY
5 YEAR STORAGE TANK WARRANTY
• For complete information, consult written warranty or
contact A. O. Smith
Tank Type (A=Skid Mounted, J=Jacketed, V=Vertical, H= Horizontal)
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 VF hot water supply boiler(s), with input
of ____ BTU/H for (natural/propane) ____ 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 VF Boiler Specification Sheet for boiler details. See A.O.Smith Storage Specification
sheets for storage tank details.
Hot water supply boiler(s) and storage tank(s) shall have a 5 year limited warranty against corrosion as outlined in the
written warranty
For Technical Information and Automated Fax Service, call 800-527-1953.
A. O. Smith reserves the right to make product changes or improvements without prior notice.
500 Tennessee Waltz Pkwy, Ashland City, TN 37015
Page 4 of 4
ACMSS00507
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©2007 A. O. Smith Corporation
Printed in U.S.A.
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