Carrier owner manual Before Starting Your Furnace

FIRE OR EXPLOSION HAZARD

Failure to follow this warning could result in personal injury, death, or property damage.

Do not keep combustible materials, gasoline, and other flammable liquids or vapors around your furnace.

•Keep the area around your furnace clear and free of combustible materials, gasoline, and other flammable liquids and vapors.

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Fig. 4 - NO combustible materials near furnace

•Do not cover the furnace, store trash or debris near it, or in any way block the flow of fresh air to the unit.

[]NIT OPERATION HAZARD

Failure to follow this caution may result in internfittent unit operation.

For proper and safe operation the furnace needs air for

combustion and ventilation. Do not block or obstruct air openings on the furnace, air opening to the area in which the furnace is installed, and the space around the furnace.

•In addition to the safety rules above, make sure that the

following combustion-air requirements are met for non-direct vent applications:

•Combustion air nmst be clean and uncontanfinated with chlorine

or fluorine. These compounds are present in many products around the home, such as: water softener salts, laundry bleaches,

detergents, adhesives, paints, varnishes, paint strippers, waxes, and plastics.

•Make sure the combustion air for your furnace does not contain

any of these compounds. During remodeling be sure the

combustion air is fresh and uncontanfinated. If these compounds

are burned in your furnace, the heat exchangers may deteriorate.

•A furnace installed in an attic or other insulated space must be kept free and clear of insulating material. Exanfine the furnace area when the furnace is installed or when insulation is added.

Some insulation materials may be combustible.

•Should the gas supply fail to shut off or if overheating occurs,

shut off the gas valve to the furnace before shutting off electrical supply.

This furnace contains SAFETY DEVICES which must be

MANUALLY RESET. If the furnace is left unattended for an

extended period of time, have it checked periodically for proper

operation. This precaution will prevent problems associated with no heat, such as frozen water pipes, etc. See "Before You Request a Service Call" section in this manual.

BEFORE STARTING YOUR FURNACE

Exanfine the furnace installation to deternfine that:

1.All flue gas carrying areas external to the furnace (i.e. china- ney, vent connector) are clear and free of obstructions.

2.The vent connector is in place, slopes upward and is physic- ally sound without holes or gaps.

3.The return-air duct connection(s) is physically sound, is sealed to the furnace casing, and ternfinates outside the space containing the furnace.

4.The physical support of the furnace is sound without sag- ging cracks, gaps, etc. around the base.

5.There are no obvious signs of deterioration of the furnace.

6.The burner flames are in good adjustment, See Fig. 5 (by comparison with pictorial sketches or drawings of the main burner flame.)

Burner Flame

Burner

Manifold 7"

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Fig. 5 - Burner Flame Adjustment

FIRE AND EXPLOSION HAZARD

Failure to follow this warning could result in personal injury, death or property damage.

Should the gas supply fail to shut off or if overheating occurs, turn off the manual gas valve to the furnace BEFORE turning off the electrical supply and install lockout tag.

STARTING YOUR FURNACE

Instead of a continuously burning pilot flame which wastes

valuable energy, your furnace uses an automatic, hot surface

ignition system to light the burners each time the thermostat signals the furnace to start,

Follow these important safeguards:

•Never attempt to manually light the burners with a match or other source of flame.

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Fig. 6 - Do Not Light Burner with Match