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Part Number 550-141-916/0304

Contents

I. Installation ..................... 2

II. Gas piping ...................... 4

III. Wiring ............................ 5

Sequence of operation ....... 5
Wiring procedure ............... 8

IV.Operating instructions . 9

V. Verification testing ..... 10

VI.Parts list ....................... 11

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.

LGB

Universal Control System

Control Supplement

LGB

LGB

LGB

LGB

LGB-6 

-6 

-6 

-6 

-6 

to

to

to

to

to

 LGB

 LGB

 LGB

 LGB

 LGB-23

-23

-23

-23

-23

 Series 2

 – Natural gas

Gas–fired boiler

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 damage.

This Control Supplement must only be used by a qualified installer/service
technician. Read these instructions completely before beginning the
installation. Failure to follow these instructions can cause severe personal
injury, death or substantial property damage.

Содержание LGB LGB-23

Страница 1: ...LGB LGB LGB LGB LGB 6 6 6 6 6 to to to to to LGB LGB LGB LGB LGB 23 23 23 23 23 Series 2 Natural gas Gas fired boiler Indicates presence of hazards that can cause severe personal injury death or subst...

Страница 2: ...o 2 No 1 No 2 No 1 No 2 LGB 6 2 9 LGB 15 2 16 13 27 LGB 7 2 11 LGB 16 2 18 15 29 LGB 8 2 13 LGB 17 2 18 15 31 LGB 9 2 15 LGB 18 2 20 16 33 LGB 10 2 16 LGB 19 2 20 16 34 LGB 11 2 16 LGB 20 2 22 16 36 L...

Страница 3: ...UniversalControlSystem Naturalgas Part Number 550 141 916 0304 3 Figure 1 Pilot burner assembly typical Figure 2 Main flame sensor assembly I Installation continued...

Страница 4: ...here local utility requires extend drip leg to floor 7 Install ground joint union when required for servicing 8 Support piping by hangers not by boiler or its accessories 9 Purge all air from supply p...

Страница 5: ...o the boiler must be No 14 gauge or heavier Install in conduit 5 A separate electrical circuit with a fused disconnect switch 15 amp recommended should be used for the boiler On failure to sense pilot...

Страница 6: ...6 LGB 6 to LGB 23 Series 2 Control Supplement Part Number 550 141 916 0304 III Wiring continued...

Страница 7: ...UniversalControlSystem Naturalgas Part Number 550 141 916 0304 7 Figure 3 Wiring diagram...

Страница 8: ...tion control panel and left jacket panel Mount wire support clip using sheet metal screw furnished 5 Complete wiring per wiring diagram Figure 3 pages 6 and 7 Figure 4 Junction box assembly dual base...

Страница 9: ...UniversalControlSystem Naturalgas Part Number 550 141 916 0304 9 IV Operating instructions...

Страница 10: ...ads to the first automatic gas valve Then connect 24 volt power to the first automatic gas valve terminals to open it If the second valve seals properly there should be no pressure at the manometer 5...

Страница 11: ...UniversalControlSystem Naturalgas Part Number 550 141 916 0304 11 Figure 5 Parts drawing VI Parts list continued...

Страница 12: ...12 LGB 6 to LGB 23 Series 2 Control Supplement Part Number 550 141 916 0304 Weil McLain 500 Blaine Street Michigan City IN 46360 2388 http www weil mclain com...

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