Weil-McLain LGB-23 manual IV Operating instructions, Universal Control System - Natural gas

Contents Part Number 550-141-916/1001 Part Number 550-141-916/1001 Part Number 550-141-916/1001 II Gas piping LGB-6to LGB-23 Series 2 - Control SupplementNatural gas supply pipe sizing 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 boxesIV Operating instructions Universal Control System - Natural gasPart Number 550-141-916/1001 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 550-141-916/1001LGB-6to LGB-23 Series 2 - Control Supplement Weil-McLain 500 Blaine Street Michigan City, INPart Number 550-141-916/1001