Weil-McLain LGB-23 Manuel d'utilisateur

Part Number 550-141-916/10011

10LGB-6 to LGB-23Series 2 – Control SupplementPart Number 550-141-916/1001V Verification testingBefore starting boiler for the first time and at least

Universal Control System – Natural gasPart Number 550-141-916/1001 11Figure 5PartsdrawingVI111314712610452138991601Parts list – continued

12LGB-6 to LGB-23Series 2 – Control SupplementPart Number 550-141-916/1001Weil-McLain500 Blaine StreetMichigan City, IN 46360-2388http://www.weil-mcla

Part Number 550-141-916/10012

Part Number 550-141-916/10013

4LGB-6 to LGB-23Series 2 – Control SupplementPart Number 550-141-916/10011. Size gas piping considering —a. Diameter and length of gas supply piping.b

Universal Control System – Natural gasPart Number 550-141-916/1001 5Sequence of operation1. Operating control begins start-up sequence.a. Limit contro

6LGB-6 to LGB-23Series 2 – Control SupplementPart Number 550-141-916/10019. PILOT LEADWIRES ARE NOT FIELD REPLACEABLE. REPLACE PILOT ASSEMBLY IF NECE

Universal Control System – Natural gasPart Number 550-141-916/1001 7Figure 3Wiring diagramUniversal Control SystemNatural GasLGB6 thru 23Intermittent

8LGB-6 to LGB-23Series 2 – Control SupplementPart Number 550-141-916/1001Wiring Procedure1. Determine right or left electrical supply wiring.2. Attach

Universal Control System – Natural gasPart Number 550-141-916/1001 9IV Operating instructions