National Products Series B, BW3 instruction manual Procedure 8ÐBLOWER, Service Hints, Ð18Ð

Page 18

12.Be sure to check tightness of pilot connections and condition of burner flames after reassembly. (See Fig. 11.)

13.Be sure vent pipe connections to chimney are secure and no obstructions are present.

PROCEDURE 8ÐBLOWER

The blower motor features permanently lubricated ball bearing construction. Lubrication is not required.

SERVICE HINTS

You may avoid inconvenience and service calls by checking these points before you call for service.

FOR YOUR SAFETY

WHAT TO DO IF YOU SMELL GAS

1.Do not try to light any appliance.

2.Do not touch any electric switch; do not use the phone.

3.Leave the building immediately, then call your gas supplier.

4.If you cannot reach the gas supplier, call the fire department.

 

IF SYSTEM IS NOT HEATING OR NOT GIVING ENOUGH HEAT. . .

Possible Cause

 

What To Do

Thermostat is not set correctly

 

Reset thermostat above room temperature.

Burner is not operating properly

 

Check flame. If it is yellow, burner is not getting enough air. If flame is blue and noisy and seems to lift off

 

the burner, burner is getting too much air. Contact your service technician.

 

 

No electric power to boiler

 

Check overcurrent protection. Check to be sure electric power supply circuit is on.

Controls out of adjustment

 

Reset according to instructions.

Radiators not heating

 

Open radiator vents to vent excess air. Check flow control valve (if used). It may be in closed position.

Circulator pump not running

 

Check overcurrent protection. Check relay operation.

Poor electrical contact

 

Check all control terminals and wire joints.

Chimney flue is blocked

 

Pressure switch will not close and pilot spark will not operate to start pilot. Have your service technician

 

check and correct, if necessary.

 

 

Rollout switch blown

 

Have your service technician check heat exchanger for blockage. Replace rollout switch with exact replace-

 

ment.

 

 

 

 

IF BURNER IS NOISY. . .

Possible Cause

 

What To Do

Gas input amount is incorrect

 

Contact your service technician.

 

 

RELIEF VALVE LEAKING. . .

Possible Cause

 

What To Do

Dirt on seat

 

Open valve manually. Allow water to run and clear valve seat.

Waterlogged expansion tank

 

Drain tank. See instructions.

HAVE YOUR SERVICE TECHNICIAN CHECK ANY PROBLEM YOU ARE UNABLE TO CORRECT.

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Contents Installation, Start-Up, and Operating Instructions IndexSafety Considerations Ð2ÐPage Gas-Fired Hot Water Boilers → Locating the BoilerÐ4Ð →FRESH AIR for Combustion Procedure 1ÐBOILER Located in Unconfined Space→ ÐRoom Large In Comparison With Boiler Ð5ÐBÐFresh Air Duct Capacities for Horizontal Ducts Btuh Procedure 2ÐBOILER Located in Confined SpaceAÐFresh Air Duct Capacities for Vertical Ducts Btuh Ð6ÐProcedure 2ÐLOW Design Water Temperature Systems below 140F Installationðsystem PipingProcedure 1ÐFOR USE with Cooling Units Procedure 1ÐCHECKING ChimneyProcedure 2ÐMINIMUM Vent Pipe Clearance Ð8ÐPower Venter KIT ÐBoiler and Power VenterOptional Horizontal Venting with Power Venter Ð9ÐÐGas Pipe Sizes GAS Supply Piping Procedure 1ÐCHECKING GAS SupplyProcedure 2ÐCONNECTING GAS Piping Ð10ÐProcedure 1ÐELECTRIC Power Supply Procedure 3ÐCHECKING GAS PipingElectrical Wiring Procedure 2ÐINSTALLING ThermostatÐUnit Wiring Diagram Ð12ÐEquipment and Optional Accessories Procedure 1ÐRELIEF Valve Procedure 7ÐDRAIN ValveProcedure 8ÐWATER Temperature Control Procedure 11ÐPRESSURE Switch Procedure 9ÐCIRCULATING PumpProcedure 10ÐBLOWER Draft Inducer Procedure 12ÐROLLOUT Switch Flame Rollout Safety ShutoffTo Turn Off Gas To Appliance GAS Valve Operating InstructionsTo Turn On Gas To Appliance Ð15ÐProcedure 4ÐLIMIT Controls Adjustment Procedure 2ÐPILOT Burner AdjustmentProcedure 3ÐMAIN Burners Procedure 5ÐTHERMOSTAT Heat Anticipator AdjustmentProcedure 3ÐEXPANSION Tank Maintaining Boiler Procedure 1ÐBURNERSProcedure 2ÐRELIEF Valve Procedure 4ÐBOILER Flue PassagesÐ18Ð Procedure 8ÐBLOWERService Hints If System is not Heating or not Giving Enough HeatÐ19Ð → for USE with Natural GAS onlyNatural Gas Burners and Manifold Parts KEY Description→ for USE with Propane GAS only Propane Gas Burners and Manifold PartsÐ20Ð Ð21Ð KEYBoiler Controls and Piping Ð22ÐService Training Ð23ÐÐ24Ð

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.
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