A.O. Smith VB/VW- 1000 Dimension and capacity data, GAS and Electrical Characteristics

Page 4

dimension and capacity data

Minimum clearances to combustibles:

•4” (102mm) rear

•0” (0mm) top & sides

•6” (152mm) vent

FIGURE 1.

TABLE 1. - GAS AND ELECTRICAL CHARACTERISTICS

 

 

 

 

Manifold Pressure

 

 

Maximum Supply Pressure

Minimum Supply Pressure

 

Model

 

Type of Gas

 

Inches W.C.

kPa

Inches W.C.

 

kPa

Inches W.C.

kPa

 

VB/VW-500, 750, 1000

 

NATURAL

 

-2 to -3.5

-.5 to .9

14

 

 

3.44

 

4.0

 

2.0

 

 

VB/VW-500, 750, 1000

 

PROPANE

 

-2 to -3.5

-.5 to .9

14

 

 

3.44

 

8.0

 

2.0

 

Minimum Pressures must be maintained during all operating conditions.

 

 

 

 

 

 

 

 

 

Electrical Power: 120v, 60hz, and 30 amps.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TABLE 2. - ROUGH-IN DIMENSIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Models

 

VB/VW-500

 

 

VB/VW-750

 

 

 

VB/VW-1000

 

 

Dimensions

 

inches

 

mm

 

 

inches

 

mm

 

inches

 

mm

 

 

Flue Outlet Diameter

 

6

 

 

152

 

 

6

 

152

 

6

 

152

 

 

Air Intake Diameter

 

4

 

 

102

 

 

4

 

102

 

4

 

102

 

 

Water Inlet

 

 

 

 

 

 

 

2” NPT

 

 

 

 

 

 

 

 

Water Outlet

 

 

 

 

 

 

 

2” NPT

 

 

 

 

 

 

 

 

Gas Inlet

 

 

 

 

 

 

 

1” NPT

 

 

 

 

 

 

 

 

A

 

56

 

 

1422

 

 

62

 

1575

 

71

 

1803

 

 

B

 

30

 

 

762

 

 

30

 

762

 

30

 

762

 

 

C

 

30

 

 

762

 

 

30

 

762

 

30

 

762

 

 

D

 

45

 

 

1143

 

 

51

 

1295

 

59

 

1499

 

 

E

 

36

 

 

914

 

 

42

 

1067

 

48

 

1219

 

 

F

 

16.5

 

 

419

 

 

16.5

 

419

 

16.5

 

419

 

 

G

 

8

 

 

203

 

 

8

 

203

 

8

 

203

 

 

H

 

15

 

 

381

 

 

15

 

381

 

15

 

381

 

 

J

 

9

 

 

229

 

 

9

 

229

 

9

 

229

 

 

K

 

11.5

 

 

292

 

 

11.5

 

292

 

11.5

 

292

 

 

L

 

11

 

 

279

 

 

11

 

279

 

11

 

279

 

 

M

 

10.5

 

 

267

 

 

10.5

 

267

 

10.5

 

267

 

 

N

 

33

 

 

838

 

 

33

 

838

 

33

 

838

 

 

P

 

31

 

 

787

 

 

31

 

787

 

31

 

787

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

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Contents Models Safe INSTALLATION, USE and Service General Safety Dimension and capacity data GAS and Electrical CharacteristicsRecovery Capacities Capacity and Flow dataContents IntroductionPrecautions High Altitude InstallationsField Installed Components Grounding InstructionsControl Components Water Temperature Limit Controls ON/OFF SwitchTemperature Probes Circulating PumpRequired Ability LocationPanels and Covers VB HOT Water Heating BOILERS, are shipped with a 50 psiInstalltion Clearances Chemical Vapor CorrosionLeveling Air Requirements Breathing Hazard Carbon Monoxide GasOutdoor Air Through Two Openings Outdoor Air Through One OpeningOutdoorAir Through Two HorizontalDucts Outdoor Air Through Two Vertical DuctsAir From Other Indoor Spaces Termination Clearances Sidewall Power Vent Power VentTermination Clearances Sidewall Direct Vent Direct VentVenting System Using AL 29-4C Special Installation ConsiderationsConnecting Vent to Boiler Horizontal Installtion Requirements Vertical Installation RequirementsVenting Supports Vertical Termination Direct Vent Installation Requirements BELOW. Keep Clear of ALL ObstructionsDirect Vent Horizontal Direct Vent Using TWT with Vertical Intake General System installationHot Water Heating Hydronic Equipment Remote Probe Installation Procedure Internal ContaminantsHard Water Conditions Thermal Expansion Closed SystemGas Connections Gas Supply Line SizingTypical 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 Natural Gas Suggested Pipe Size For Multiple Gas Appliances Propane GasWiring Diagram Connection DiagramPage VB/VW-500, 750 & 1000 Schematic Diagram Filling and Purging of Heating Boiler Installation Filling Hot Water Supply Boiler InstallationOperation Purging Gas LineWater Temperature Regulation Risk of ScaldsMCB/FCB Dipswitches MCB Ten Position DipswitchMCB Three position Dipswitch Lighting & Operation Instructions for Models VB/VW 500, 750 Adjustment Setting of the Test ModeHigh Fire Setting Natural GAS PropaneInputs to MCB Temperature Setpoints System Control Algorithm Operating SequenceUIM Operating Procedures OperatingSetpointAdjustmentProcedure Description of FCB control statesHighLimitDifferentialSetpointAdjustment Procedure Fault Messages and Troubleshooting Guide UIM LED’sTroubleshooting Ignition System Fault Displayed Description Red LED LockoutTroubleshooting Gas Valve Preventative maintenanceMain Burner Burner Maintenance Relief ValveCombustion Air Filter Blower CompartmentVenting Maintenance HeatExchangerPreventativeMaintenanceTube Cleaning Procedure Mechanical Removal of Deposits Replacement PartsPage 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.
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