Weil-McLain LGB-20, LGB-7 I New installation - continued, Universal Control System - Propane gas

Universal Control System – Propane gas

I New installation – continued

Figure 1

Pilot burner assembly, typical

LGB-A84-B

Figure 2

Main flame sensor assembly

LGB-A85

Igniter

Sensor

Locating Slot

Burner Support Bar

Pilot Line Tubing

Sensor Lead

Igniter Lead

Flame

Sensor

Locating Slot

Burner Support Bar

Sensor Lead

UCS Pilot

Burner

Compression

Union

10-32 x 5/16“ Machine Screws(2)

Ground Leadwire: Connect to Pilot Proving Module 24 V (GND) terminal

Pilot Mounting

Bracket

10-32 x 1/4“ Machine Screws (2)

Main Burner

(with Pilot

Mounting

Bracket)

6-32 x 5/16“ Type ”F” Self Tapping Screws(2)

10-32 x 5/16“ Machine Screws(2)

Ground Leadwire: Connect to Main Flame Proving Module 24 V (GND) terminal

Flame Sensor Mounting Bracket

Main Burner

(with Pilot

Mounting

Bracket)

Part Number 550-141-797/0798 3