Weil-McLain CGA GAS BOILER CGA-5 User Manual

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Part Number 550-142-300/0520

CGa Series 3 Gas-Fired Water Boiler — Boiler Manual

Installations must follow these codes:

• Local, state, provincial, and national codes, laws, regulations and ordinances.

• National Fuel Gas Code, ANSI Z223.1/NFPA 54 – 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.

• National Electrical Code, ANSI /NFPA 70 – latest edition.

• For Canada only: Natural Gas and Propane Installation Code, CAN/CSA B149.1

or B149.2 Installation Code, CSA C22.1 Canadian Electrical Code Part 1 and any

local codes.

The CGa boiler gas manifold and controls meet safe operating and

other performance criteria when boiler underwent tests speciﬁed

in ANSI Z21.13 – latest edition.

Before locating the boiler,

check the following:

• Check for nearby connection to:

• System water piping

• Venting connections

• Gas supply piping

• Electrical power

• Check area around boiler. Remove any combustible materials, gasoline

and other ﬂammable liquids, or other contaminants.

Failure to keep boiler area clear and free of combustible materials,

gasoline and other ﬂammable liquids and vapors

can result in

severe personal injury, death or substantial property damage.

•

Boiler must be installed so that gas control system components are protected from

dripping or spraying water or rain during operation or service.

• If new boiler will replace existing boiler, check for and correct system problems,

such as:

1. System leaks causing oxygen corrosion or section cracks from hard water

deposits.

2. Incorrectly-sized expansion tank.

3. Lack of antifreeze in boiler water causing system and boiler to freeze and

leak.

Prepare boiler location — codes & checklist

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Weil-McLain CGA GAS BOILER CGA-5 Series 3 Residential Boilers