Weil-McLain WMBC-1A manual I Installation – continued, Q179 pilot burner assembly

Models: WMBC-1A

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I Installation – continued

Flame Guardian WMBC-1A Electronic Pilot System – IRI

I Installation – continued

Figure 2 Q179 pilot burner assembly

Sensor

Q179 Pilot

10-32 x 5/16“

 

Burner

Machine Screws(2)

 

 

Igniter

 

 

Locating Slot

Ground Leadwire: Connect to WMBC Panel Terminal G2 (Ground Terminal)

 

 

 

Pilot Mounting

 

 

 

Bracket

 

Burner Support Bar

 

 

 

 

 

10-32 x 1/4“

 

Pilot Line Tubing

 

Machine Screws (2)

 

Sensor Lead

 

Main Burner

 

 

 

(with Pilot

 

 

Compression

Mounting

 

Igniter Lead

Bracket)

LGB-A56

Union

 

Figure 3 Main flame sensor assembly

 

 

6-32 x 5/16“ Type ”F”

Flame

Self Tapping Screws(2)

 

Sensor

 

Locating Slot

 

 

 

10-32 x 5/16“

 

 

Machine Screws(2)

 

 

Ground Leadwire:

 

 

Connect to Main Flame

 

 

Proving Module

 

 

24 V (GND) terminal

Burner Support Bar

 

 

 

Flame Sensor

 

 

Mounting Bracket

Sensor Lead

 

Main Burner

 

 

 

(with Pilot

 

 

Mounting

 

 

Bracket)

LGB-A85

Part Number 550-141-807/0298

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Weil-McLain WMBC-1A manual I Installation – continued, Q179 pilot burner assembly, Main flame sensor assembly