Section 2 - Installation; Installation Compliance Requirements; Checks Before Boiler Installation - Weil-McLain 4 Series Manual

sTeam series
94
This section is intended to provide installation
instructions for qualified heating installers.
Section Contents
Prepare Boiler Location
Prepare the Boiler
Boiler Assembly
Tankless Heaters
Steam Boiler Controls
Baffle Assembly and Installation
Commonwealth of Massachusetts Installations
Venting and Combustion Air - General
Venting and Combustion Air Options
Room Air Openings
Breeching and Venting
Gas Venting Requirements — General
Oil Venting Requirements
Install Burner and Fill the System
Fuel Piping
Final Adjustments
Prepare Boiler Location

Installation Compliance Requirements

• Local, state, provincial, and national codes, laws,
regulations, and ordinances
• National Fuel Gas Code – ANSI Z223 1/NFPA 54,
latest edition
• Chimneys, Fireplaces, Vents, and Solid Fuel
Burning Appliances – ANSI/NFPA 211, latest
edition
• Installation of Oil Burning Equipment – ANSI/NFPA
31, latest edition
• National Electrical Code – ANSI/NFPA 70, latest
edition
• Where required by the authority having
jurisdiction, the installation must conform to the
Standard for Controls and Safety Devices for
Automatically Fired Boilers – ANSI/ASME CSD-1,
latest edition
550-100-157/0523
boiler manual
4
SeCTion 2
Installation
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IMPORTANT
The 94 Series 4 steam boiler met safe lighting and
other performance criteria when the boiler underwent
tests specified in UL 726 & UL 795, latest editions.

Checks Before Boiler Installation

1 Check for nearby connections to:
• System water piping
• Venting systems
• Fuel supply
• Electrical Power
• Combustion and ventilation air supply
2 Check area around boiler Remove any
combustible materials, gasoline, and other
flammable liquids and vapors.
WARNING
!
Failure to keep boiler area clear and free of
combustible materials, gasoline, and other
flammable liquids and vapors can create an
explosion hazard, which can result in severe
personal injury, death, or substantial property
damage.
3 Check the boiler location to ensure it protects the
gas control system components from dripping
or spraying water and rain during operation or
service
4 If a new boiler is replacing the existing boiler,
check for and correct system problems:
• System leaks causing oxygen corrosion or heat
exchanger cracks from hard water deposits
• Incorrect expansion tank sizing
• Lack of freeze protection in boiler water
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