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Part Number 550-141-807/0298

12

LGB

(Series 2) — Control Supplement

Weil-McLain

500 Blaine Street

Michigan City, IN 46360-2388

http://www.weil-mclain.com

VI

Parts list – Table 3

Description

Size

Vendor/Part Number

Weil-McLain Part Number

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

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

*

1 ¼"

Essex 600

*

1 ½"

Conbraco 50-603

*

2"

Conbraco 50-703

*

Valve Body
(small - up to 2" Pipe Flanges)

Honeywell V5097A

510-744-315

1"

Honeywell 32000109-002

511-044-170

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

¾"

Honeywell V4295S

511-046-340

1"

Honeywell V4295S

511-046-342

Adapter for small valve body
(for vent valve)

Honeywell 32002513

511-044-176

1"

Honeywell V4944N1011

511-048-503

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

Solenoid Vent Valve
(Normally Open)

511-044-040*

Pipe Flanges (for Valve Body)

Gas Valve with Regulator

Hand Valve

Содержание FLAME GUARDIAN WMBC-1A

Страница 1: ...ds that can cause severe personal injury death or substantial property damage Indicatesspecialinstructionsoninstallation operationormaintenancethat are important but not related to personal injury or...

Страница 2: ...ain recommends installing manual controls in addition to standard as required by local inspector Refer to the LGB Boiler Manual Boiler Controls section a Steam boilers require a manual reset Low Water...

Страница 3: ...WMBC Panel Terminal G2 Ground Terminal Pilot Mounting Bracket 10 32 x 1 4 Machine Screws 2 Main Burner with Pilot Mounting Bracket Compression Union Sensor Lead Burner Support Bar Pilot Line Tubing I...

Страница 4: ...d gas valve w on off actuator 5 Pilot gas pressure regulator 6 Normally open solenoid vent valve 7 Pilot solenoid gas valve 8 Test cock 10 Manual leak checking gas valve 11 Regulating diaphragm gas va...

Страница 5: ...during any pressure test greater than 14 0 inches water column 11 Set gas pressure switches as follows or to local inspector s requirements a Low 3 0 W C b High 14 0 W C II Gas piping Do not check for...

Страница 6: ...Part Number 550 141 807 0298 6 LGB Series2 ControlSupplement Part Number 550 141 807 0298 7 Flame Guardian WMBC 1A Electronic Pilot System IRI Figure 5 WMBC 1A panel wiring schematic...

Страница 7: ...Part Number 550 141 807 0298 8 LGB Series2 ControlSupplement Figure 6 WMBC 1A panel wiring diagram factory wiring...

Страница 8: ...Part Number 550 141 807 0298 9 Flame Guardian WMBC 1A Electronic Pilot System IRI Figure 7 WMBC 1A field wiring diagram...

Страница 9: ...1 2 W C 6 Turn off boiler 7 Remove manometer from manifold and plug the tapping 8 Reconnect the blue wire in the two stage gas valve junction box 9 Turn on electrical power supply and gas supply to b...

Страница 10: ...d trial for main flame Yellow pilot on lamp goes out 6 Main flame sensor proves main burner operation at low fire 7 Flame safeguard control energizes downstream gas valve to high fire through firing r...

Страница 11: ...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...

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