3

Table of Contents

Ratings and Data………………………………………………………………………4

Clearances……………………………………………………………………..............5

Ventilation and Combustion Air………………………………………………………5

Boiler Assembly……………………………………………………………….............6

Temperature control Installation and Adjustment

Boiler Trim Piping

Jacket Installation

System Piping………………………………………………………………...……….9

Bypass Piping

Low Water Cut-Off

Relief Valves

Expansion Tanks

Venting Systems……………………………………………………………………...10

Chimney Venting

Direct Venting

Burner Installation……………………………………………………………….…...14

Oil Tank and Piping……………………………………………………………….….15

.

Wiring…………………………………………………………………………..……..15

Swing Door……………………………………………………………………..……..18

Opening the Door

Closing the Door

Door Hinge Reversal

Operation………………………………………………………………………..……..18

Sequence of Operation

Start Up

Start Up Equipment

Burner Adjustments

Control Circuit Safety Checks

Maintenance……………………………………………………………………..…….21

Boiler

Oil Burner

Vent System

Domestic Water Tank……………………………………………………………..…..22

..

Trouble Shooting Guide………………………………………………………..……...23

Parts Diagrams…………………………………………………………………..……..25

Warranty …………………………………………………………………………..…..26

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Beckett SLD5125, SLD375, SL5125, SLD4100, SL375, SL7175, SL4100, SL6150 manual Table of Contents