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Manafacture: A.O. Smith File size: 399.36 kb File name: ee5d2290-456e-4790-83f3-3d23d285f8c7.pdf Language of manual:

SHORT TRIM Versatile Multi-Venting Configurations n Two-pipe direct-venting vertical and /or horizontal sidewall, with all combustion makeup air drawn from outside the building 70 Equivalent Feet Exhaust 70 Equivalent Feet Intake 90 Degree Elbows = 10 Feet 45 Degree Elbows = 5 Feet Boot Tee = 5 Feet n Standard-venting, vertical or horizontal sidewall 100 Equivalent Feet Max 90 Degree Elbows = 10 Feet 45 Degree Elbows = 5 Feet Boot Tee = 5 Feet DIRECT-VENTING SIDEWALL CONVENTIONAL VENTING VENTING Please consult latest edition of the Installation Manual for detail venting information and maximum/minimum venting distances. SHORT TRIM Advanced EMC-5000 Modulating Control The EMC-5000 Modulating Control provides true self-diagnostic capabilities to eliminate guesswork in troubleshooting. It is the most advanced boiler control we have ever offered, setting a new standard for copper boilers. EMC-5000 Modulating Control n Modulates the boiler to maintain tank temperature within +/- 1 degree n Infinite boiler output control between 100% to 25% fire n LED read out – provides current boiler status in plain English with help screens to assist should a fault occur n Controls and monitors every electrical boiler function with onboard diagnostics Small Size And Easy Service Small Footprints, Zero Clearance To Combustibles On Sides of Unit n Compact design, lightweight copper heat exchanger makes VF Series easier to move and install in limited spaces – perfect for retrofits n Fits in an elevator, ideal for boiler rooms with limited access—only 30. wide n Multiple boiler systems provide increased turndown and even smoother, more efficient system operation n 4 boilers w/4:1 Turndown =16:1 total system turndown 40 100 140 VW/ VB-500 500,000 421,500 1,268 507 362 56 30 37.5 30 450 VW/ VB-750 750,000 633,750 1,901 761 543 62 30 37.5 30 575 VW/ VB-1000 1,000,000 845,000 2,535 1,014 724 71 30 37.5 30 750 With Ac-U-Temp, A. O. Smith makes it as easy as possible to install a complete packaged hot water supply system, combining 88% efficient VF Series Boilers with A. O. Smith storage tanks. A. O. Smith offers a wide range of available boiler/storage tank combinations using the Ac-U-Temp system. There are a number of standard boiler and tank configurations with tanks up to 1,000 gallons, or we can custom design and build an Ac-U-Temp system with tanks up to 10,000 gallons to meet your specifications and application requirements. Ac-U-Temp systems are shipped fully assembled, pre-piped and pre-wired. All the installer has to do is make the flue, gas, electrical and water connections, so field errors are minimized. Consult your A. O. Smith representative for more Examples of Ac-U-Temp information on the wide range of available boiler/storage Systems tank combinations using the Ac-U-Temp system. For complete specifications on the VF Series, consult the specification sheets at or contact your local A. O. Smith sales representative. 500 Tennessee Waltz Parkway ...

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