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Installation, Continued – Weil-McLain FLAME GUARDIAN WMBC-1A User Manual

Page 3

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Part Number 550-141-807/0298

3

Flame Guardian WMBC-1A Electronic Pilot System – IRI

Figure 2

Q179 pilot burner assembly

Figure 3

Main flame sensor assembly

I

Installation

– continued

LGB-A56

Locating Slot

Igniter

Sensor

Q179 Pilot

Burner

10-32 x 5/16“

Machine Screws(2)

Ground Leadwire:

Connect to 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

Igniter Lead

LGB-A85

Locating Slot

Flame
Sensor

6-32 x 5/16“ Type ”F”

Self Tapping Screws(2)

Ground Leadwire:

Connect to Main Flame

Proving Module

24 V (GND) terminal

Main Burner

(with Pilot

Mounting

Bracket)

Sensor Lead

Burner Support Bar

Flame Sensor

Mounting Bracket

10-32 x 5/16“

Machine Screws(2)