Yukon Oil Furnace Owner's Manual download pdf (Page 17)

COMBUSTION AIR

Make-up outside air to the furnace for proper fuel combustion

must be provided by openings to the outside of the building. The

openings of ducts supplying such make-up air shall have unob-

structed areas not less than the area of the flue pipe.

NOTE

Outside air is needed to replace the air used by the burner

and wood combustion process. Outside air is also required to

replace the air used for taking the by-products of combustion

of the gas or oil burner and wood/coal smoke out the chimney.

Outside air is also needed to replace any air expelled by

kitchen or bathroom fans as well as water heater chimneys or

fans.

Failure to provide outside air to the area in which the furnace

is located will result in a negative pressure or vacuum in the

home. Smoke from the wood fire may not be drawn up the

chimney, causing creosote buildup and sometimes causing

smoke to enter the furnace room.

WARNING

You must provide for enough fresh air to assure proper com-

bustion. The fire in the furnace uses oxygen and must have a

continuous supply. The air in a house contains only enough

oxygen to supply the furnace for a short time. Outside air must

enter the house to replace that used by the burner.

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Yukon Oil Furnace Owner's Manual Page 17