National Products Series B, BW3 instruction manual Ð12Ð, ÐUnit Wiring Diagram

Page 12

Ð12Ð

HOT

NEUT

120/60/1 POWER SUPPLY

OVERCURRENT

PROTECTED

DISCONNECT

120 V. PRIMARY

L1L2

 

24 V. SECONDARY

 

 

 

1K

 

T

T

 

 

24 V. THERMOSTAT

 

 

3

C1

 

C2

1K1

 

 

 

1K2

 

 

 

B

 

CIRCULATOR

 

HI LIMIT

 

 

 

R

 

 

 

B1

 

DRAFT INDUCER

B2

 

 

 

120 V. PRIMARY

 

 

 

AT 140C TRANSFORMER

 

24 V. SECONDARY

 

 

 

24V

TO GAS

 

 

VALVE

 

 

5 GND

 

 

 

 

 

6 (24V)

 

PRESSURE

FLAME

 

 

ROLLOUT

 

 

SWITCH

SAFETY

 

 

 

SHUTOFF

INTERMITTENT

 

 

 

PILOT CONTROL

 

120/60/1 POWER SUPPLY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LINE VOLTAGE WIRING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER SUPPLY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLASS II, 24 VOLT WIRING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24V

 

 

 

 

 

 

 

 

 

 

CLASS II, 24 VOLT FIELD WIRING

HOT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMOSTAT

 

 

 

B￿ =￿ BLACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OVERCURRENT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BT￿ =￿ BLACK WITH TRACER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W￿ =￿ WHITE

 

L1

L2

T

T

 

 

 

 

 

 

 

 

 

 

 

 

PROTECTED

 

L8148A

 

 

 

 

 

G￿ =￿ GREEN

 

DISCONNECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AQUASTAT

 

 

 

R￿ =￿ RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

=

ORANGE

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DRAFT INDUCER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1

C2

B1

B2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

W

 

 

 

 

 

 

 

 

 

 

AT 140C TRANSFORMER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

BT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INTERMITTENT PILOT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24V-GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MV

MV/PV

PV

GND

24V

SPARK

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S8600M - NATURAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S8600F - NATURAL

 

 

 

CIRCULATOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

2

 

 

3

 

4

 

5

 

6

 

 

 

9

 

 

OR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROPANE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

G

W

B

BT

 

B

 

 

 

O

 

 

GAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO PILOT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PRESSURE

 

 

 

 

FLAME

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

ROLLOUT

 

 

 

 

 

 

 

 

 

W

 

 

 

 

 

PV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SAFETY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHUTOFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PV/MV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VR8204A/VR8304M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GAS VALVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A96142

NOTE: If any of the original wire as supplied with the boiler must be replaced, it must be replaced with the same wire or its equivalent.

Fig. 7ÐUnit Wiring Diagram

Image 12
Contents Installation, Start-Up, and Operating Instructions IndexSafety Considerations Ð2ÐPage Gas-Fired Hot Water Boilers → Locating the BoilerÐ4Ð Procedure 1ÐBOILER Located in Unconfined Space → ÐRoom Large In Comparison With Boiler→FRESH AIR for Combustion Ð5ÐProcedure 2ÐBOILER Located in Confined Space AÐFresh Air Duct Capacities for Vertical Ducts BtuhBÐFresh Air Duct Capacities for Horizontal Ducts Btuh Ð6ÐInstallationðsystem Piping Procedure 1ÐFOR USE with Cooling UnitsProcedure 2ÐLOW Design Water Temperature Systems below 140F Procedure 1ÐCHECKING ChimneyProcedure 2ÐMINIMUM Vent Pipe Clearance Ð8ÐÐBoiler and Power Venter Optional Horizontal Venting with Power VenterPower Venter KIT Ð9ÐGAS Supply Piping Procedure 1ÐCHECKING GAS Supply Procedure 2ÐCONNECTING GAS PipingÐGas Pipe Sizes Ð10ÐProcedure 3ÐCHECKING GAS Piping Electrical WiringProcedure 1ÐELECTRIC Power Supply Procedure 2ÐINSTALLING ThermostatÐUnit Wiring Diagram Ð12ÐEquipment and Optional Accessories Procedure 1ÐRELIEF Valve Procedure 7ÐDRAIN ValveProcedure 8ÐWATER Temperature Control Procedure 9ÐCIRCULATING Pump Procedure 10ÐBLOWER Draft InducerProcedure 11ÐPRESSURE Switch Procedure 12ÐROLLOUT Switch Flame Rollout Safety ShutoffGAS Valve Operating Instructions To Turn On Gas To ApplianceTo Turn Off Gas To Appliance Ð15ÐProcedure 2ÐPILOT Burner Adjustment Procedure 3ÐMAIN BurnersProcedure 4ÐLIMIT Controls Adjustment Procedure 5ÐTHERMOSTAT Heat Anticipator AdjustmentMaintaining Boiler Procedure 1ÐBURNERS Procedure 2ÐRELIEF ValveProcedure 3ÐEXPANSION Tank Procedure 4ÐBOILER Flue PassagesProcedure 8ÐBLOWER Service HintsÐ18Ð If System is not Heating or not Giving Enough Heat→ for USE with Natural GAS only Natural Gas Burners and Manifold PartsÐ19Ð 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.