A.O. Smith VF Series دليل المستخدم

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The Art Of Flexibility The new VF Series variable fire copper boilers are designed with one thing in mind: to provide the best value to the customer. As a result, we’re proud to introduce a more installation friendly line that works well in more applications and requires less maintenance. The secret to the stunning performance of the VF Series is its flexibility. The VF is capable of firing from 100% to 25% or a 4:1 turndown ratio. The boiler’s output is based strictly on the current s

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THE ANATOMY OF GREAT PERFORMANCE A E Combustion Venturi-mixing gas/air air intake – self ratio system works with adjusting-no air variable speed blower to shutter required precisely mix gas and air throughout firing range, provides good operation B with supply gas pressures B down to 4˝ WC, and E is self-adjusting for EMC-5000 altitudes up to 6,000 A Modulating Control feet all while providing low NOx emissions that meet or exceed the most C D stringent standards Advanced pre-mix burner d

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SHOR T TRIM COMMERCIAL GAS BOILERS CATEGORY IV LISTED PROFESSIONAL START-UP SERVICE FURNISHED Up To 88% Efficient, MEETS ASHRAE/IESNA 90.1-1999 Hot Water Supply LOW NOx OPERATION Boiler with n Meets or exceeds Texas and California SCAQMD Rule 1146.2 quality standards Modulating Fire ™ OTHER VF BOILER FEATURES: 4:1 Turndown n ASME Pressure Relief Valve 125# n Factory-Mounted Flow Switch Hot Water Supply n Low Gas Pressure Switch Applications: n All Bronze Factory Mounted Pump VW-500 throug

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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 s

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Model Input Rating Output Rating Gallons Per Hour Recovery Height Width Depth W/ Depth W/O Approx. No. Btu/hr Btu/hr Temperature Rise -°F Inches Inches Pump Pump Shipping Inches Inches Weight (Lbs.) 40 100 140 VW/ VB-500 500,000 421,500 1,268507 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 2,5351,014 724 71 30 37.5 30 750 Ac-U-Temp —A total hot water supply system using VF Series Boilers With Ac-U-Temp, A. O. Smith makes it as e