Lennox Hearth HCI-36/42-H, RDI-36/42-H manual Starting a Fire, During Fireplace Operation

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HARDWOODS	DENSITY
Alser, Red	.41
Ash	.49-.60
Aspen	.38-.39
Basswood, American	.37
Beech, American	.64
Birch	.55-.65
Butternut	.38
Cherry, Black	.50
Chestnut, American	.43
Cottonwood	.34-.40
Elm	.60.63
Hackberry	.53
Hickory, Pecan	.60.66
Hickory, True	.69-.75
Honey locust	.66 (est.)
Locust, Black	.69
Magnolia	.48-.50
Maple	.48-.63
Oak, Red	.59-.67
Oak, White	.64-.88
Poplar	.42
Sassafras	.42
Sweet gum	.52
Sycamore, American	.49
Tanoak	.64 (est.)
Tupelo	.50
Walnut, Black	.55
Willow, Black	.39

SOFTWOODS	DENSITY
Bald cypress	.46
Cedar	.31-.47
Douglas Fir	.46-.50
Fir	.32-.43
Hemlock	.40-.45
Larch, Western	.52
Pine	.39-.59
Redwood	.35-.40
Spruce	.35-.41
Tamarack	.53

Assuming that you are comparing two standard cords of different species but the same volume and moisture content, the denser species will provide more BTU’s. The table of wood species/ densities reveals more helpful guidelines.

STARTING A FIRE

1.To start a fire in a the fireplace properly, first check the operation of the flue damper.

2.To prevent smoking at start-up, close any window located near the fireplace when first lighting a fire. The closed windows may be reopened once a chimney draft is drawn in the fireplace.

DAMPER CONTROL	WARNING: IF YOUR FIREPLACE IS
This fireplace is fitted with a manually con-	EQUIPPED WITH GLASS DOORS, IT
	SHOULD BE OPERATED WITH THE
trolled chimney damper. The chimney damper
	DOORS FULLY OPEN OR FULLY CLOSED.
should be closed when the fireplace is not in
use to prevent cold air from entering the home	IF THE DOORS ARE LEFT PARTIALLY
through the chimney system.	OPEN, GAS AND FLAMES MAY BE DRAWN
The damper is controlled through the use of a	OUT OF THE OPENING, CREATING RISKS
	OF BOTH FIRE AND SMOKE. REFER TO
control lever located within the firebox open-
	FIGURES 3 AND 4 FOR PROPER OPER-
ing at the top center just behind the firebox
	ATING CONDITIONS.
lintel (Figure 2 ). The control lever snaps into
place at the extreme range of motion, up and
back in the closed position. When pulled
forward and down, the damper is open.

Damper	Damper
Closed	Open
			Glass Doors
Lintel			Fully Open or
			Fully Closed
			(Bi-Fold Doors)
	Combustion	Figure	3
	Air Actuator

Figure 2

The appliance flue damper must always re- main open when operating.

1.The grate in the firebox should be centered

on or over the bottom hearth so your fire can	Glass Doors
	Fully Open or
breath properly. Crumble and twist plenty of	Fully Closed
newspapers UNDER the grate and criss-cross	(Twin-Pane Doors)
some small dry kindling sticks on top of the	Figure 4
paper or on the bottom of the grate.
2. Build a pyramid of three split logs (split will	CAUTION: IF A SMOKING CONDITION EX-
start much faster). Arrange the uneven wood	ISTS, GLASS DOORS SHOULD BE CLOSED
to provide plenty of air space between.	DURING FIREPLACE OPERATION.
3. Now, light the paper at both sides of the	Care and Cleaning of Your Glass Doors
firebox.
4. Close the screens to prevent the escape of	Never clean the glass when the doors are hot.
	Do not use ammonia or ammonia based glass
sparks and embers.	or household cleaner to clean the glass or the
5. Close the damper only when your fire is	door frame. An ammonia based cleaner will
	damage the finish of the glass door.
completely out and ashes are cold. Keep closed
when fireplace is not in use to prevent unnec-	Clean the glass doors by wiping with a damp
essary loss of heated or cooled air.	towel followed by a clean dry towel to remove
GLASS DOOR OPERATING SAFETY	streaks.
PRECAUTIONS AND INSTRUCTIONS	Remove stubborn stains from the glass with a
	mild soap solution and a towel dampened with
These fireplaces may be equipped with glass	clean water. Dry with a clean dry towel.
doors. Refer to the end of this document for a
listing of the glass doors approved for use with
these fireplaces.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.