Weil-McLain SERIES 2 LGB-7 - Manual (Page 3)

Part Number 550-141-797/0798 3
Universal Control System – Propane gas
Figure 1
Pilot burner assembly, typical
LGB-A84-B
Locating Slot
Igniter
Sensor
UCS Pilot
Burner
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)
Compression
Union
Sensor Lead
Burner Support Bar
Pilot Line Tubing
Igniter Lead
I
New installation
– continued
Figure 2
Main flame sensor assembly
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)