Manuals / Weil-McLain / Household Appliance / Boiler

Weil-McLain LGB-5 Wiring, LGB-4& 5 Control Supplement UCS Nat. Gas, Part Number 550-141-918/0304

Models: LGB-5 LGB-4

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	LGB-4 & 5 • Control Supplement • UCS • Nat. Gas
III	Wiring
4	Part Number 550-141-918/0304

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Weil-McLain LGB-5 operating instructions Wiring, LGB-4& 5 Control Supplement UCS Nat. Gas, Part Number 550-141-918/0304

Contents

Contents InstallationWiring Verification testingI Installation LGB-4& 5 Control Supplement UCS Nat. GasFigure 1a Figure 1bII Gas piping Supply pipe sizingConnect gas piping to boiler LGB-4& 5 Control Supplement UCS Nat. GasLGB-4& 5 Control Supplement UCS Nat. Gas WiringPart Number 550-141-918/0304 Sequence of operation Wiring requirementsLGB-4& 5 Control Supplement UCS Nat. Gas IV Operating instructions Starting boilerWHAT TO DO IF YOU SMELL GAS LGB-4& 5 Control Supplement UCS Nat. GasV Verification testing Manual test firing valveVerify boiler control sequence Leak test automatic gas valveVI Parts list LGB-4& 5 Control Supplement UCS Nat. GasWeil-McLain 500 Blaine Street Michigan City, IN Control and gas components