Weil-McLain LGB-23 Wiring diagram, Universal Control System - Natural gas, Natural Gas, thru

Contents Part Number 550-141-916/1001 Part Number 550-141-916/1001 Part Number 550-141-916/1001 LGB-6to LGB-23 Series 2 - Control Supplement II Gas pipingNatural gas supply pipe sizing Universal Control System - Natural gas III WiringNO. 1 BASE WIRING III Wiring - continuedSCHEMATIC WIRING DIAGRAM PRE-WIREDPANELNatural Gas Wiring diagramLADDER WIRING DIAGRAM Universal Control System - Natural gas3.Attach control transformers to junction boxes Junction box assembly dual base boilersIII Wiring - continued LGB-6to LGB-23 Series 2 - Control SupplementUniversal Control System - Natural gas IV Operating instructionsPart Number 550-141-916/1001 Verify boiler control sequence V Verification testingManual test firing valve LGB-6to LGB-23 Series 2 - Control SupplementPart Number 550-141-916/1001 VI Parts list - continuedParts drawing Universal Control System - Natural gasWeil-McLain 500 Blaine Street Michigan City, IN LGB-6to LGB-23 Series 2 - Control SupplementPart Number 550-141-916/1001