Weil-McLain WMBC-1A manual VI Parts list Table, Aut w

Page 11

LGB (Series 2) — Control Supplement

VI Parts list – Table 3

l

 

 

C w

Aut w

Primary Control

 

 

 

Honeywell RM7895C1012

510-350-431

 

 

 

 

 

Prepurge Timing Card 2.0 Seconds

 

 

Honeywell ST7800A1005

510-350-432

Flame Amplifier

 

 

 

Honeywell R7847A1033

510-350-434

 

 

 

 

 

 

Electric Bulb 120V

 

 

 

Sylv. 120MB/CHI Min. CM8-967

*

Fuse 6 Amp.

 

 

 

Bussman MTH-6

*

 

 

 

 

 

 

Relay 120V DPDT

 

 

 

Honeywell R4222D1013

510-311-012*

Control Timer

 

 

 

SSAC EDRM427

510-350-430

 

 

 

 

 

 

Gas Cock, ¼ M x ¼ F

 

 

 

Conbraco 53-300-01

*

Pilot Regulator, ¼ NPT

 

 

 

Maxitrol RV20A

*

 

 

 

 

 

 

Pilot Solenoid

 

¼"

 

Honeywell V4046C

511-044-040*

 

 

 

 

Johnson Controls H91ABA

 

 

 

 

 

Brass Union, 1/8 NPT x 1/4cc

 

 

 

 

*

 

 

 

 

 

 

Low Gas Pressure Switch

 

 

 

Honeywell C645A1030

511-624-550*

High Gas Pressure Switch

 

 

 

Honeywell C645B1013

511-624-555*

 

 

 

 

 

 

Gauge Cock

 

¼"

 

Conbraco 41-560-05

511-210-415*

Pilot Burner

 

 

 

Honeywell Q179C1009

511-330-181*

 

 

 

 

 

 

Pilot Bracket

 

 

 

Weil-McLain

460-005-624

Main Flame Sensor

 

 

 

Honeywell 392956

511-724-274

 

 

 

 

 

 

Main Flame Sensor Bracket

 

 

 

Weil-McLain

423-300-420

Main Burner with Bracket

 

 

 

Weil-McLain

512-200-055

 

 

 

 

 

 

Ignition Transformer

 

 

 

Honeywell Q624A1014

511-802-014*

 

 

1"

 

Essex 500

*

Hand Valve

 

1 ¼"

 

Essex 600

*

 

1 ½"

 

Conbraco 50-603

*

 

 

 

 

 

2"

 

Conbraco 50-703

*

 

 

 

 

 

 

Valve Body

 

 

 

Honeywell V5097A

510-744-315

(small - up to 2" Pipe Flanges)

 

 

 

 

 

 

 

 

 

 

1"

 

Honeywell 32000109-002

511-044-170

Pipe Flanges (for Valve Body)

 

1 ¼"

 

Honeywell 32000109-003

511-044-171

 

1 ½"

 

Honeywell 32000109-004

511-044-172

 

 

 

 

 

2"

 

Honeywell 32000109-005

511-044-173

 

 

 

 

 

 

Actuator For Valve Body (On/Off)

 

 

 

Honeywell V4055A

510-744-317

Solenoid Vent Valve

 

¾"

 

Honeywell V4295S

511-046-340

(Normally Open)

 

1"

 

Honeywell V4295S

511-046-342

 

 

 

 

 

 

Adapter for small valve body

 

 

 

Honeywell 32002513

511-044-176

(for vent valve)

 

 

 

 

 

 

 

 

 

 

1"

 

Honeywell V4944N1011

511-048-503

Gas Valve with Regulator

 

1 ¼"

 

Honeywell V4944N1029

511-048-502

 

1 ½"

 

Honeywell V4944N1037

511-048-501

 

 

 

 

 

2"

 

Honeywell V4944N1045

511-048-500

 

* Listed part can be purchased at local supply house

 

 

 

 

 

 

 

Weil-McLain

500 Blaine Street

Michigan City, IN 46360-2388

http://www.weil-mclain.com

12

Part Number 550-141-807/0298

Image 11
Contents IRI ContentsToiAN ToiAP ToiAS ToiAV ToiAFD ToiAFF ToiAFG InstallationFlame Guardian WMBC-1A Electronic Pilot System IRI GAS Piping Diagram LGB Series IRI Gas Train Gas piping III WiringWMBC-1A panel wiring schematic WMBC-1A panel wiring diagram factory wiring WMBC-1A field wiring diagram IV Start-up Sequence of operation Aut w VI Parts list Table

WMBC-1A specifications

The Weil-McLain WMBC-1A is a highly efficient and versatile boiler designed for residential and commercial heating applications. This innovative model stands out due to its robust construction, advanced technology, and user-friendly features, making it a popular choice among engineers and homeowners alike.

One of the main features of the WMBC-1A is its exceptional efficiency. With an Annual Fuel Utilization Efficiency (AFUE) rating that often exceeds 90%, this boiler operates cost-effectively while minimizing energy consumption. This high efficiency translates into lower utility bills and a reduced carbon footprint, aligning with the growing demand for sustainable heating solutions.

The WMBC-1A utilizes a cutting-edge modulating burner technology that allows the boiler to adjust its output to match the heating demand of the home. This capability ensures optimal performance and comfort, as the system can ramp up or down depending on the current heating needs. This feature also contributes to the boiler’s efficiency, as it prevents the energy waste that often accompanies traditional systems.

Durability is a hallmark of the Weil-McLain WMBC-1A. Constructed from high-quality cast iron, the boiler is designed to endure the rigors of repeated heating cycles and offers a long service life. The unit is also equipped with aluminum heat exchangers that are lightweight yet robust, allowing for efficient heat transfer and quicker response times.

The WMBC-1A also prioritizes safety and ease of use, featuring integrated safety controls and diagnostics that help monitor performance and troubleshoot potential issues. Additionally, the user-friendly digital control system allows homeowners to easily adjust settings and monitor energy usage, ensuring they can maintain comfort without sacrificing efficiency.

With its compact design, the WMBC-1A is suitable for a variety of installation spaces. Its versatility extends to compatibility with various heating systems, including radiators and in-floor heating systems. This flexibility allows users to tailor the system to their specific needs and preferences.

In summary, the Weil-McLain WMBC-1A is a top-tier boiler that combines efficiency, durability, and advanced technology. With its modulating burner, high AFUE rating, safety features, and compatibility with diverse heating systems, it offers exceptional performance for both residential and commercial applications. Its reputation for reliability makes it a smart investment for those looking to enhance their heating systems while promoting energy savings.