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Weil-McLain LGB-5 User Manual

Gas–fired boiler, Control supplement

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Part Number 550-141-919/0304

LG

LG

LG

LG

LGB

B

B

B

B

Refer to

LGB

LGB

LGB

LGB

LGB Installation
Start-Up Service

Parts Manual

for additional information

Control Supplement must only be used by a qualified installer/service
technician. Read all instructions before installing. Failure to follow all
instructions in proper order can cause severe personal injury, death or
substantial property damage.

Contents

Installation ....................... 2

Conversion (

Natural/Propane

) ... 2

Gas piping ......................... 3

Wiring ............................... 4

Operating instructions ..... 6

Verification testing .......... 7

Parts ................................. 8

These terms are used throughout this

manual to bring attention to the presence

of hazards of various risk levels or to

important information concerning the life

of the product.

Gas–fired boiler

Control Supplement

Control Supplement

Control Supplement

Control Supplement

Control Supplement

LGB

LGB

LGB

LGB

LGB-4

-4

-4

-4

-4

&

LGB

LGB

LGB

LGB

LGB-5

-5

-5

-5

-5

Series 2

– Propane gas

Universal Control System

Indicates presence of hazards that can cause severe personal injury, death or
substantial property damage.

Indicates special instructions on installation, operation or maintenance that
are important but not related to personal injury or property.

This manual is related to the following products: