A.O. Smith VB/VW- 750, VB/VW- 1000 instruction manual Limited Warranty

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LIMITED WARRANTY

A. O. Smith Corporation, the warrantor, extends the following LIMITED WARRANTY to the owner of this boiler:

1.If within TEN years after initial installation of the boiler, a heat exchanger or gas burner shall prove upon examination by the warrantor to be defective in mate- rial or workmanship, the warrantor, at his option will exchange or repair such part or portion. This term is reduced to FIVE years if this boiler is used for water heating purposes other than hydronic space heating.

a.This warranty is extended to the owner for all other parts or portion during the FIRST year following initial installation of this boiler.

b.The warranty on the repair or replacement of the part or portion will be limited to the unexpired term of the original warranty.

2.CONDITIONS AND EXCEPTIONS

This warranty shall apply only when the boiler is installed in accordance with local plumbing and building codes, ordinances and regulations, the printed instructions provided with it and good industry practices. In addition, a pressure relief valve, certified by C.S.A. and approved by the American Society of Mechanical Engineers, must have been installed and fresh water used for filling and make-up purposes.

a.This warranty shall apply only when the boiler is used:

(1)with inlet water temperature 120°F (49°C) and above and outlet water temperatures not exceeding the maximum setting of its operative and/ or high limit control;

(2)at water pressure not exceeding the working pressure shown on the boiler;

(3)when filled with boiler water, free to circulate at all times and with the heat exchanger free of damaging scale deposits;

(4)in a non-corrosive and non-contaminated atmosphere;

(5)in the United States, its territories or possessions, and Canada;

(6)at a water velocity flow rate not exceeding or below the boiler’s designed rates;

(7)indoor installation only.

b.Any accident to the boiler, any misuse, abuse (including freezing) or alteration of it, any operation of it in a modified form, or any attempt to repair leaks in the heat exchanger will void this warranty.

3.SERVICE AND REPAIR EXPENSE

Under this limited warranty the warrantor will provide only a replacement part. The owner is responsible for all other costs. Such costs may include but are not limited to:

a.Labor charges for service, removal, repair, or reinstallation of the component part;

b.Shipping, delivery, handling, and administrative charges for forwarding the replacement part from the nearest distributor and returning the claimed defective part to such distributor.

c.All cost necessary or incidental for any material and/or permits required for installation of the replacement.

4.LIMITATIONS ON IMPLIED WARRANTIES

Implied warranties, including any warranty of merchantability imposed on the sale of this boiler under state or provincial law are limited to one (1) year duration for the boiler or any of its parts. Some states and provinces do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.

5.CLAIM PROCEDURE

Any claim under this warranty should be initiated with the dealer who sold the boiler, or with any other dealer handling the warrantor’s products. If this is not practicable, the owner should contact:

U.S. Customers

Canadian Customers

A. O. Smith Corporation

A. O. Smith Enterprises Ltd.

500Tennessee Waltz Parkway

P. O. Box, 310 - 768 Erie Street

Ashland City, TN

Stratford, Ontario N5A 6T3

Telephone: 800 527-1953

Telephone: 800-265-8520

a.The warrantor will only honor replacement with identical or similar parts thereof which are manufactured or distributed by the warrantor.

b.Dealer replacements are made subject to in-warranty validation by warrantor.

6.DISCLAIMERS

NO OTHER EXPRESS WARRANTY HAS BEEN OR WILL BE MADE ON BEHALF OF THE WARRANTOR WITH RESPECT TO THE MERCHANTABILITY OF THE BOILER OR THE INSTALLATION, OPERATION, REPAIR OR REPLACEMENT OF THE BOILER. THE WARRANTOR SHALL NOT BE RESPONSIBLE FOR WATER DAMAGE, LOSS OF USE OF THE UNIT, INCONVENIENCE, LOSS OR DAMAGE TO PERSONAL PROPERTY, OR OTHER CONSEQUENTIAL DAMAGE. THE WARRANTOR SHALL NOT BE LIABLE BY VIRTUE OF THIS WARRANTY OR OTHERWISE FOR DAMAGE TO ANY PERSONS OR PROPERTY, WHETHER DIRECT OR INDIRECT, AND WHETHER ARISING IN CONTRACT OR TORT.

a.Some states and provinces do not allow the exclusion or limitation of the incidental or consequential damage, so the above limitations or exclusions may not apply to you.

b.This warranty gives you specific legal rights, and you may also have other rights which vary from state to state or province to province.

Fill in the following for your own reference. Keep it. Registration is not a condition of warranty. The model and serial number are found on the boiler’s rating plate. Owner__________________________________________________________________________________________________________________________________

Installation Address________________________________________________________________________________________________________________________

City and State__________________________________________________________________________ Zip Code___________________________________________

Date Installed________________________________Model No.___________________________________ Serial No._________________________________________

Dealer’s Name_______________________________________________________________ Phone No.___________________________________________________

Dealer’s Address__________________________________________________________________________________________________________________________

_______________________________________________________________________________________________________________________________________

FILL IN WARRANTY AND KEEP FOR FUTURE REFERENCE

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Contents Models Safe INSTALLATION, USE and Service General Safety GAS and Electrical Characteristics Dimension and capacity dataCapacity and Flow data Recovery CapacitiesIntroduction ContentsGrounding Instructions PrecautionsHigh Altitude Installations Field Installed ComponentsControl Components Circulating Pump Water Temperature Limit ControlsON/OFF Switch Temperature ProbesVB HOT Water Heating BOILERS, are shipped with a 50 psi Required AbilityLocation Panels and CoversAir Requirements Breathing Hazard Carbon Monoxide Gas Installtion ClearancesChemical Vapor Corrosion LevelingOutdoor Air Through Two Vertical Ducts Outdoor Air Through Two OpeningsOutdoor Air Through One Opening OutdoorAir Through Two HorizontalDuctsAir From Other Indoor Spaces Power Vent Termination Clearances Sidewall Power VentDirect Vent Termination Clearances Sidewall Direct VentSpecial Installation Considerations Venting System Using AL 29-4CConnecting Vent to Boiler Vertical Installation Requirements Horizontal Installtion RequirementsVenting Supports Vertical Termination BELOW. Keep Clear of ALL Obstructions Direct Vent Installation RequirementsDirect Vent Horizontal Direct Vent Using TWT with Vertical Intake System installation GeneralHot Water Heating Hydronic Equipment Thermal Expansion Closed System Remote Probe Installation ProcedureInternal Contaminants Hard Water ConditionsGas Supply Line Sizing Gas ConnectionsTypical PRIMARY, Secondary Piping ONE VF Model VW HOT Water Supply Boiler with Vertical Tank ONE VF Model VW HOT Water Supply Boiler with Horizontal Tank Wiring Suggested Pipe Size For Multiple Gas Appliances Propane Gas Suggested Pipe Size For Multiple Gas Appliances Natural GasConnection Diagram Wiring DiagramPage VB/VW-500, 750 & 1000 Schematic Diagram Purging Gas Line Filling and Purging of Heating Boiler InstallationFilling Hot Water Supply Boiler Installation OperationRisk of Scalds Water Temperature RegulationMCB Ten Position Dipswitch MCB/FCB DipswitchesMCB Three position Dipswitch Lighting & Operation Instructions for Models VB/VW 500, 750 Propane AdjustmentSetting of the Test Mode High Fire Setting Natural GASInputs to MCB Operating Sequence Temperature Setpoints System Control AlgorithmUIM Operating Procedures Description of FCB control states OperatingSetpointAdjustmentProcedureHighLimitDifferentialSetpointAdjustment Procedure UIM LED’s Fault Messages and Troubleshooting GuideFault Displayed Description Red LED Lockout Troubleshooting Ignition SystemPreventative maintenance Troubleshooting Gas ValveMain Burner Blower Compartment Burner MaintenanceRelief Valve Combustion Air FilterReplacement Parts Venting MaintenanceHeatExchangerPreventativeMaintenance Tube Cleaning Procedure Mechanical Removal of DepositsPage Page Page Limited Warranty Tennessee Waltz Parkway, Ashland City, TN Phone

VB/VW- 1000, VB/VW- 750 specifications

A.O. Smith is a renowned name in the water heating industry, and their VB/VW-750 and VB/VW-1000 models reflect the cutting-edge advancements in both design and functionality. These commercial water heaters stand out due to their innovative features and robust characteristics, making them ideal solutions for various applications in commercial settings.

The VB/VW-750 and VB/VW-1000 models are designed with high efficiency in mind. They utilize advanced heat transfer technology that maximizes energy use, translating to significant savings on utility bills. These units are engineered to deliver consistent hot water supply, essential for businesses such as restaurants, hotels, and manufacturing facilities where extensive hot water demands are necessary.

One of the standout features of the VB/VW models is their high recovery rate. This means they can produce a large volume of hot water within a short period, catering to peak demand times without compromising performance. Additionally, the units come equipped with a durable tank made from high-quality materials to resist corrosion, which ensures a long lifespan and reliability in service.

The VB/VW-750 and VB/VW-1000 are also equipped with advanced control systems. These systems provide precise temperature regulation, improving safety and energy efficiency. The smart pumping system further enhances performance by optimizing water flow and reducing energy consumption during operation.

Maintenance and serviceability are key characteristics of these models. They feature easy access to critical components, allowing for quick inspections and repairs. This design consideration minimizes downtime, which is crucial for any business reliant on continuous hot water supply.

Both models are compliant with various industry standards, including energy efficiency regulations. A.O. Smith has focused on ensuring these water heaters not only meet but exceed these requirements, contributing to sustainability efforts.

In summary, the A.O. Smith VB/VW-750 and VB/VW-1000 models combine efficiency, reliability, and ease of maintenance. Their advanced features and cutting-edge technologies make them a top choice for commercial hot water applications, positioning A.O. Smith as a leader in the water heating industry. With their strong performance and durability, these models are designed to meet the demands of modern businesses while providing peace of mind regarding hot water availability.