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INSTALLATION AND OPERATION INSTRUCTIONS

SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS

Contents

1.0 INSTALLATION....................................................1-1

1.1 GENERAL........................................................1-1

1.2 CODE REQUIREMENTS ............................................1-3

1.3 LOCATION .......................................................1-3

1.4 EXHAUST VENTING AND AIR INTAKE .................................1-4

1.4.1 Applications ...................................................1-6

1.4.2 Exhaust Vent Material ...........................................1-6

1.4.3 Vent Travel ....................................................1-7

1.4.4 Venting Passage Through Ceiling and Floor ..........................1-9

1.4.5 Rooftop Vent Termination.........................................1-9

1.4.6 Sidewall Vent Termination .......................................1-10

1.4.7 “Direct Vent” Combustion Air Intake Piping ..........................1-15

1.4.8 “Indoor Air” Combustion Air Intake .................................1-16

1.4.9 Combustion Air Filtration ........................................1-17

1.4.10 Closet Installations ............................................1-17

1.5 CONDENSATE REMOVAL..........................................1-18

1.5.1 Condensate Trap ..............................................1-18

1.5.2 Condensate Trap Assembly - Installation ............................1-18

1.5.3 Condensate Trap Assembly - cleaning procedure . . . . . . . . . . . . . . . . . . . . . 1-19

1.5.4 Further installation details .......................................1-19

1.6 WATER PIPING ..................................................1-21

1.6.1 General Piping Issues ..........................................1-21

1.6.2 Installation Rules ..............................................1-24

1.7 GAS PIPING .....................................................1-28

1.8 ELECTRICAL CONNECTIONS ......................................1-29

1.8.1 120 VAC Line Voltage Hook-up ...................................1-29

1.8.2 Power Quality and Electrical Protection .............................1-30

1.8.3 Zone Valve Hook-up............................................1-30

1.8.4 Thermostat / Sensor Wiring ......................................1-30

1.8.5 Other Wiring ..................................................1-30

1.8.6 Thermostat Heat Anticipator......................................1-31

2.0 IBC BOILER CONTROLLER .........................................2-1

2.1 GENERAL........................................................2-1

2.2 CONTROL .......................................................2-1

2.3 CONTROL INTERFACE .............................................2-2

3.0 STARTUP & COMMISSIONING .......................................3-1

3.1 BOILER SHUTDOWN & LIGHTING ....................................3-1

3.2 PRIOR TO START-UP ..............................................3-2

3.2.1 Pre-Ignition Checks .............................................3-2

3.2.2 Test Ignition Safety Shutoff .......................................3-2

3.3 COMMISSIONING .................................................3-2

3.3.1 Gas Valve and Fan Diagrams .....................................3-4

3.4 FUEL CONVERSION ...............................................3-5

3.4.1 Gaining access to combustion chamber and burner removal instructions....3-6

Brand	IBC
Model	SL 26-260 G3
Category	Boiler
Language	English

IBC SL 26-260 G3 Installation And Operating Instructions

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