Weil-McLain LGB-23 manual III Wiring, Universal Control System - Natural gas

Contents Part Number 550-141-916/1001 Part Number 550-141-916/1001 Part Number 550-141-916/1001 Natural gas supply pipe sizing II Gas pipingLGB-6to LGB-23 Series 2 - Control Supplement Universal Control System - Natural gas III WiringSCHEMATIC WIRING DIAGRAM III Wiring - continuedPRE-WIREDPANEL NO. 1 BASE WIRINGLADDER WIRING DIAGRAM Wiring diagramUniversal Control System - Natural gas Natural GasIII Wiring - continued Junction box assembly dual base boilersLGB-6to LGB-23 Series 2 - Control Supplement 3.Attach control transformers to junction boxesPart Number 550-141-916/1001 IV Operating instructionsUniversal Control System - Natural gas Manual test firing valve V Verification testingLGB-6to LGB-23 Series 2 - Control Supplement Verify boiler control sequenceParts drawing VI Parts list - continuedUniversal Control System - Natural gas Part Number 550-141-916/1001Part Number 550-141-916/1001 LGB-6to LGB-23 Series 2 - Control SupplementWeil-McLain 500 Blaine Street Michigan City, IN