National Products BW3 → for USE with Natural GAS only, Natural Gas Burners and Manifold Parts

Page 19

REPAIR PARTS

IMPORTANT Ð READ THESE INSTRUCTIONS BEFORE ORDERING All parts listed in the following Parts List may be ordered through your nearest supplier.

When ordering parts, first obtain the Model No. from the data plate on boiler, then determine the Part No. (not the Key No.) and the Description of each part from the following illustrations and lists. Be sure to give all this information: The Part No. Ð The Part Description Ð The Boiler Model No.

FOR USE WITH NATURAL GAS ONLY

3

4

6

56A

2

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

A98238

 

Natural Gas Burners and Manifold Parts

 

 

 

 

This is a Repair Parts ListÐNot a Packing List

 

 

 

KEY

DESCRIPTION

 

 

PART NO.

 

 

NO.

2 Section

3 Section

4 Section

5 Section

6 Section

7 Section

 

1

24-v Gas Valve, Natural Gas

146-62-052

146-62-052

146-62-052

146-62-052

146-62-058

146-62-058

2

Pilot Tube

146-15-005

146-15-005

146-15-005

146-15-005

146-15-006

146-15-006

3

10-32 X 3/16-in. Slotted Hex Head Screw

146-95-301

146-95-301

146-95-301

146-95-301

146-95-301

146-95-301

4

Gas Manifold

146-16-042

146-16-043

146-16-044

146-16-045

146-16-024

146-16-025

5

Orifice Ð Natural Gas*

146-15-030

146-15-031

146-15-031

146-15-031

146-15-035

146-15-035

6

Main Burner Less Pilot Bracket²

Ð

146-15-532

146-15-532

146-15-532

146-15-532

146-15-532

6A

Main Burner with Pilot Bracket

146-15-531

146-15-531

146-15-531

146-15-531

146-15-531

146-15-531

7

Pilot Burner with Orifice, Natural Gas

146-62-091

146-62-092

146-62-092

146-62-092

146-62-092

146-62-092

³

Rollout Shield

425-00-932

425-00-933

425-00-934

425-00-935

425-00-936

425-00-937

 

 

 

 

 

 

 

 

Quantity is 1 unless otherwise noted.

*Requires 1 less than the number of sections. ² Requires 2 less than the number of sections. ³ Not illustrated.

Ð19Ð

Image 19
Contents Index Installation, Start-Up, and Operating InstructionsÐ2Ð Safety ConsiderationsPage → Locating the Boiler Gas-Fired Hot Water BoilersÐ4Ð Ð5Ð Procedure 1ÐBOILER Located in Unconfined Space→ ÐRoom Large In Comparison With Boiler →FRESH AIR for CombustionÐ6Ð Procedure 2ÐBOILER Located in Confined SpaceAÐFresh Air Duct Capacities for Vertical Ducts Btuh BÐFresh Air Duct Capacities for Horizontal Ducts BtuhProcedure 1ÐCHECKING Chimney Installationðsystem PipingProcedure 1ÐFOR USE with Cooling Units Procedure 2ÐLOW Design Water Temperature Systems below 140FÐ8Ð Procedure 2ÐMINIMUM Vent Pipe ClearanceÐ9Ð ÐBoiler and Power VenterOptional Horizontal Venting with Power Venter Power Venter KITÐ10Ð GAS Supply Piping Procedure 1ÐCHECKING GAS SupplyProcedure 2ÐCONNECTING GAS Piping ÐGas Pipe SizesProcedure 2ÐINSTALLING Thermostat Procedure 3ÐCHECKING GAS PipingElectrical Wiring Procedure 1ÐELECTRIC Power SupplyÐ12Ð ÐUnit Wiring DiagramProcedure 7ÐDRAIN Valve Equipment and Optional Accessories Procedure 1ÐRELIEF ValveProcedure 8ÐWATER Temperature Control Procedure 12ÐROLLOUT Switch Flame Rollout Safety Shutoff Procedure 9ÐCIRCULATING PumpProcedure 10ÐBLOWER Draft Inducer Procedure 11ÐPRESSURE SwitchÐ15Ð GAS Valve Operating InstructionsTo Turn On Gas To Appliance To Turn Off Gas To ApplianceProcedure 5ÐTHERMOSTAT Heat Anticipator Adjustment Procedure 2ÐPILOT Burner AdjustmentProcedure 3ÐMAIN Burners Procedure 4ÐLIMIT Controls AdjustmentProcedure 4ÐBOILER Flue Passages Maintaining Boiler Procedure 1ÐBURNERSProcedure 2ÐRELIEF Valve Procedure 3ÐEXPANSION TankIf System is not Heating or not Giving Enough Heat Procedure 8ÐBLOWERService Hints Ð18ÐKEY Description → for USE with Natural GAS onlyNatural Gas Burners and Manifold Parts Ð19ÐPropane Gas Burners and Manifold Parts → for USE with Propane GAS onlyÐ20Ð KEY Ð21ÐÐ22Ð Boiler Controls and PipingÐ23Ð Service TrainingÐ24Ð

BW3, Series B specifications

National Products Series B and BW3 are pioneering additions to the realm of mobile workstation solutions, designed specifically for professionals who operate in fast-paced environments. These rugged and versatile products cater to a variety of sectors, including law enforcement, emergency response, and field service, ensuring that users remain efficient and organized while on the move.

The Series B is notable for its robust construction, built to withstand the rigors of constant use in challenging conditions. With a lightweight yet durable design, it combines portability with the resilience necessary for demanding applications. This series excels in adaptability, featuring multiple mounting options that can accommodate various devices, including laptops, tablets, and even larger screens. The flexibility to adjust the mount for optimal user comfort makes it suitable for long hours of operation.

One of the standout features of the Series B is its innovative Quick Release technology. This allows users to swiftly secure or detach devices with minimal effort, essential for those who need to move quickly between vehicles or locations. Additionally, the series is equipped with an array of cable management solutions, keeping workspaces organized and clutter-free—an essential consideration for professionals who rely on multiple devices.

The BW3 series takes mobility a step further by emphasizing a balance between form and function. With a streamlined design, the BW3 is as aesthetically pleasing as it is practical. Its integrated power management system features built-in charging ports, enabling users to keep their devices powered throughout the day. This aspect is particularly beneficial for professionals who rely on GPS, communication tools, and other electronic devices in the field.

Both the Series B and BW3 incorporate advanced materials that enhance their durability. These innovations include weather-resistant coatings and anti-corrosive finishes, guaranteeing longevity and reliability even under adverse conditions.

In summary, the National Products Series B and BW3 are finely crafted mobile workstation solutions that seamlessly integrate technology and functionality. Their key features—including Quick Release mounts, extensive device compatibility, and robust construction—make them indispensable tools for demanding professionals. By prioritizing user comfort and efficiency, these products elevate the standards of mobile work environments, empowering users to excel in their respective fields.