Marantz Indoor Fireplace FP 38 User Manual

HOMEOWNER'S CARE AND  
OPERATION INSTRUCTIONS  
FIREPLUS SERIES  
38" & 43" Wood Burning Fireplaces  
P/N 875,007M REV. N/C 03/2001  
MODELS  
FP-38  
FP-43  
The information contained in this manual applies to all model fireplaces  
identified on this page. This information will help you obtain safe and  
dependable service from your Lennox fireplace system. Keep this docu-  
ment in a safe place for future reference.  
Before you start your first fire, read this Care and Operations Manual  
carefully to be sure you understand your fireplace system completely.  
Failure to follow these suggestions could result in hazardous operation or  
fireplace malfunction, creating a serious potential for personal injury and/  
or property damage.  
If you have any questions regarding the safe use or operation of your  
fireplace, contact your local Lennox Dealer or your contractor/builder.  
RETAIN THESE INSTRUCTIONS  
FOR FUTURE REFERENCE  
WH Report No. 629-935173  
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The last statement means that one big log  
weighing 10 pounds has as much heating po-  
tential as 10 pounds of twigs. However, air  
cannot get at the solid log to feed the fire so the  
solid log will burn slowly. While you would get  
the same amount of heat out of either fire, the  
smaller the pieces of wood and the more air  
space around them, the faster the fire will burn.  
7. Proper storage of wood, especially during  
seasoning, is essential. We recommend that  
you:  
Gas Logs  
Ifyourfireplacesystemwasinstalledwithagas  
line, you may wish to install one of two types of  
gas log sets.  
a. Never store wood on the ground. This will  
causerottingandinsectinfiltration.Raisewood  
on flat rock or scrap wood.  
This fireplace has been tested and approved for  
use with a decorative gas appliance incorporat-  
inganautomaticshut-offdeviceandcomplying  
with the Standard for Decorative Gas Appli-  
ances for installation in vented fireplaces, ANSI  
Z21.60 (1991). Decorative gas appliances may  
be installed in these fireplaces. Installation  
must be in accordance with the national Fuel  
GasCode, ANSIZ223.1forcompliancewiththe  
revised U.L. 127 Standard.  
b. Stack wood loosely to allow air circulation.  
DISPOSAL OF ASHES  
c. Store wood where it will not be excessively  
exposed to weather, such as under a tarp or  
under a roof.  
Ashes should be placed in a metal container  
with a tight fitting lid. The closed container of  
ashes should be placed on a noncombustible  
floor or on the ground, well away from all  
combustible materials, pending final disposal.  
If the ashes are to be disposed of by burial in  
soilorotherwiselocallydispersed, theyshould  
be retained in the closed container until all  
cinders have thoroughly cooled.  
d. Do not stack wood directly against the walls  
of your home.  
8. Be a knowledgeable wood buyer. There is a  
difference in cord sizes. A standard cord stack  
of logs is 4 ft. high by 8 ft. long by 4 ft. deep or  
the equivalent of this cubic footage, (Figure 1 ).  
CAUTION: WHEN USING A DECORATIVE  
GAS APPLIANCE, THE FIREPLACE  
DAMPER MUST BE SET TO THE FULLY  
OPEN POSITION.  
SOFTWOOD VS HARDWOOD  
Standard  
Cord of  
WARNING: THIS FIREPLACE HAS NOT  
BEEN TESTED WITH AN UNVENTED GAS  
LOG SET. TO REDUCE RISK OF FIRE OR  
INJURY,DONOTINSTALLANUNVENTED  
GAS LOG SET INTO THIS FIREPLACE.  
Softwoods contain about 15 percent highly  
flammableresinwhichgeneratescreosotesoot  
in the chimney flue. Burning softwood exclu-  
sively may not be as desirable nor as safe as  
burning denser hardwoods. Many experienced  
fire-builders use small amounts of softwood  
kindling and newspaper in conjunction with  
starting a fire with split hardwood logs. Here  
are some guidelines to remember:  
Wood  
8'  
4'  
Prior to installing any gas log set, refer to the  
fireplace installation instructions for verification  
of mantle heights and placement of combustible  
materials around the firebox opening.  
4'  
1. Softwoods produce fast warming and shorter  
fires. Hardwoods burn less vigorously, have  
shorterflamesandproducesteady,glowingcoals.  
Wood Fuel Pointers  
Figure 1  
Wood is a wonderful renewable fuel source.  
Normally it burns clean, leaving only a mini-  
mum of waste ash, provides comforting heat  
and can provide a variety of aromas and visual  
images.  
2. As a general rule, denser woods contain  
more potential heat per pound. Most soft-  
woods offer moderate heat value per pound.  
A face cord is the same height and length as a  
standard cord but the depth is only the length  
of the logs (12, 18 or 24 inches). A face cord  
can contain as little as 25% of the wood found  
in a standard cord.  
3.Differentwoodsvarywidelyinflameheights,  
flame intensities, smoke characteristics and in  
sparking. Most hardwoods do not spark.  
You will want to know which woods are best for  
use. Sometimes you may want a quick, short  
fire to offset a morning chill. Soft woods are  
preferable in this case. Other times you would  
want more slow burning and a uniform heat  
output. Hardwoods are preferable for this use.  
If you buy by the ton, remember that wood  
becomes lighter as it dries. When buying green  
or wet wood, ask for some extra poundage to  
allow for the extra water you will be getting.  
4. Most freshly cut “green” wood will not burn  
well and will smoke. Green wood can be from  
10 to 40 percent less efficient than air-dried  
seasoned wood.  
9. When comparing woods of the same mois-  
ture content and same species, we find most  
woods have approximately the same heating  
potential per pound. However, most wood is  
sold by volume, not by weight.  
The amount of heat available from the logs will  
be about equal on a weight basis. However,  
logs are generally not weighed so the amount  
of heat will depend on:  
5. Moistureandresinfoundinsideunseasoned  
wood cells will build up pressure under heat  
and explode as sparks.  
6. Most wood needs to be seasoned 9 to 12  
months to reduce the moisture content and  
produce good steady fires. When moisture  
content is reduced from 60 to 20%, the gain in  
heat potential is nearly 7%.  
1. The type of wood used.  
2. How dry it is.  
3. How many logs you put in.  
4. The size of the logs.  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
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To determine the best heating source, look at  
the density of various wood types (Density is  
the weight for a given size). The higher the  
density, the more potential heat output. A stan-  
dard cord has a volume of 128 cubic feet. This  
figure also includes the air space between and  
around the wood. The actual volume in a stan-  
dard cord is between 60 and 100 cubic feet;  
depending on how tightly the wood is packed.  
5. Close the screens to prevent the escape of  
STARTING A FIRE  
sparks and embers.  
1. To start a fire in a the fireplace properly, first  
check the operation of the flue damper.  
6. Close the damper only when your fire is  
completely out and ashes are cold. Keep closed  
whenfireplaceisnotinusetopreventunneces-  
sary loss of heated or cooled air.  
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.  
SCREEN PANELS  
Assumingthatyouarecomparingtwostandard  
cords of different species but the same volume  
and moisture content, the denser species will  
providemoreBTU’s.Thetableofwoodspecies/  
densities reveals more helpful guidelines.  
The screen panels must be closed when the  
fireplace is operated with the glass doors open.  
However, the screen panels may be left open  
when the fireplace is operated with the doors  
closed.  
DAMPER CONTROL  
This fireplace is fitted with a manually con-  
trolledchimneydamper. Thechimneydamper  
should be closed when the fireplace is not in  
use to prevent cold air from entering the home  
through the chimney system.  
GLASS DOOR SAFETY PRECAUTIONS  
HARDWOODS  
DENSITY  
FirePlusTM systems include a twin-pane, full en-  
closure, ceramic door with conventional screen  
panels. The door and screen panels can be  
opened for easy refueling. While the fireplace  
may be operated with the glass doors fully open,  
it is recommended that the doors be fully closed  
during operation for best performance. When  
opening the doors to refuel, a slight spillage  
should be expected. This should be considered  
normal. Open doors slowly, otherwise an in-  
crease in smoke spillage could occur.  
Alser, Red  
Ash  
Aspen  
Basswood, American  
Beech, American  
Birch  
.41  
The damper is controlled through the use of a  
control lever located within the firebox open-  
ing at the top center just behind the firebox  
lintel (Figure 2 ).  
.49-.60  
.38-.39  
.37  
.64  
.55-.65  
.38  
The control lever snaps into place at the ex-  
treme range of motion, up and back in the  
closed position. When pulled forward and  
down, the damper is open.  
Butternut  
Cherry, Black  
Chestnut, American  
Cottonwood  
Elm  
Hackberry  
Hickory, Pecan  
Hickory, True  
Honey locust  
Locust, Black  
Magnolia  
.50  
.43  
.34-.40  
.60.63  
.53  
.60.66  
.69-.75  
.66 (est.)  
.69  
.48-.50  
.48-.63  
.59-.67  
.64-.88  
.42  
WARNING:IFTHEDOORSARELEFTPAR-  
TIALLYOPEN, GASANDFLAMESMAYBE  
DRAWN OUT OF THE OPENING, CREAT-  
ING RISK OF BOTH FIRE AND SMOKE.  
Damper  
Closed  
Damper  
Open  
Lintel  
Maple  
Oak, Red  
Oak, White  
Poplar  
Combustion  
Air Actuator  
Sassafras  
.42  
Sweet gum  
Sycamore, American  
Tanoak  
.52  
.49  
.64 (est.)  
.50  
Figure 2  
Tupelo  
Walnut, Black  
Willow, Black  
.55  
.39  
Glass Doors  
Fully Open or  
Fully Closed  
The appliance flue damper must always re-  
main open when operating.  
SOFTWOODS  
DENSITY  
Figure 3  
2. The grate in the firebox should be centered  
on or over the bottom hearth so your fire can  
breath properly. Crumble and twist plenty of  
newspapers UNDER the grate and criss-cross  
some small dry kindling sticks on top of the  
paper or on the bottom of the grate.  
Bald cypress  
Cedar  
Douglas Fir  
Fir  
Hemlock  
Larch, Western  
Pine  
Redwood  
Spruce  
.46  
.31-.47  
.46-.50  
.32-.43  
.40-.45  
.52  
.39-.59  
.35-.40  
.35-.41  
.53  
CAUTION:YOURFIREPLACEISEQUIPPED  
WITH CERAMIC GLASS DOORS. EXER-  
CISE CAUTION WHEN OPENING AND  
CLOSING THESE DOORS AS CERAMIC  
GLASS IS EASILY BROKEN BY A ME-  
CHANICAL IMPACT.  
3. Build a pyramid of three split logs (split will  
start much faster). Arrange the uneven wood to  
provide plenty of air space between.  
Tamarack  
IMPORTANT:DONOTOPERATETHISFIRE-  
PLACE SYSTEM WITH BOTH THE SCREEN  
PANELS AND GLASS DOORS OPEN.  
4. Now, light the paper at both sides of the  
firebox.  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
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Step 3. Replace the other three (3) screws,  
previously removed, back through the slots in  
the hinge and into the fireplace side. Tighten all  
five screws only until resistance is felt.  
ATTACHING THE DOOR ASSEMBLY  
Thedoorassemblieshavebeenpackagedsepa-  
rately, protected in their own special carton.  
Carefully remove the protective carton wrap  
and inspect the door assemblies for any signs  
of damage. The glass pane is made from  
ceramic glass and can be broken relatively  
easy from a hard impact. Handle these door  
assemblies with care.  
Step4.RepeatSteps1through3fortheopposite  
door assembly.  
A
Step5. Closebothdoorstodeterminewhereand  
how adjustments are to be made. Proceed to the  
following section on door adjustment proce-  
dures.Afteradjustmentshavebeenmade,tighten  
all screws.  
B
Step 1. Behind each screen assembly, on both  
sides of the firebox, there are five (5) screws  
that are oriented in a vertical fashion. Two (2)  
of these screws (2 per side) must be loosened  
and must remain in place. Remove the three  
(3) remaining screws (3 per side) from the  
fireplace and set aside (Figure 4 ).  
Door  
Adjust  
GLASS DOOR ADJUSTMENTS  
The glass doors on your FirePlusTM fireplace will  
have to be adjusted after they are attached. The  
doors may also become misaligned due to long  
periods of burning, excessive overheating, and  
opening and closing the doors. The following  
procedureexplainshowtoadjustandremovethe  
door assemblies.  
Door  
Adjust  
Door Hinge  
Figure 6  
Care and Cleaning of Your Glass Doors  
Remove Screws  
1, 3 and 5  
Never clean the glass when the doors are hot.  
Do not use ammonia or ammonia based glass  
or household cleaner to clean the glass or the  
door frame. An ammonia based cleaner will  
damage the finish of the glass door.  
Horizontal and Vertical Adjustments  
By loosening the acorn nuts (B) that attach the  
door to the hinge, the entire door assembly can  
be adjusted in both a horizontal and vertical  
orientation. Care must be taken when all five (5)  
acorn nuts are loosened as there will be nothing  
to support the door assembly from dropping.  
Loosen Screws  
2 and 4  
Clean the glass doors by wiping with a damp  
towel followed by a clean dry towel to remove  
streaks.  
Remove stubborn stains from the glass with a  
mild soap solution and a towel dampened with  
clean water. Dry with a clean dry towel.  
Adjustments can be made in both horizontal and  
vertical planes by tilting the door assembly in or  
out at the top or bottom. It is also possible to  
rotate the door assembly in both a clockwise and  
counter clockwise motion.  
Figure 4  
Step 2. Starting with either the right of left side  
door assembly, slide the door hinge (attached  
to the door) behind the two (2) screws that  
remain in the fireplace side, that align with the  
open slots in the hinge. Hang the door assem-  
bly over these two (2) screws so that the door  
hinge is set towards the rear of the fireplace as  
far as it will go (Figure 5 ).  
• The fire must always be confined within the  
boundaries of the fuel grate.  
In or Out Adjustment  
• The fireplace screens must always be closed  
whenever the fireplace is being used.  
By loosening the (A) Phillips head screws, it is  
possible to move the door assembly towards or  
away from the fireplace. It is also possible to tilt  
the door assembly in or out at the top or bottom.  
• Never slam the glass door since it could cause  
the glass to break.  
Door Hinge  
• Do not build excessively large or hot fires —  
scorching or discoloring of the plated brass  
trim may occur.  
Note: The door adjustment procedure will be  
difficulttocontrolifeitherthe(A)or(B)fasteners  
are loosened too much.  
Screws  
1, 3 and 5  
Extremetemperaturechangescancauseglass  
breakage — do not build a hot fire and close the  
glass doors if the doors are cold.  
Door Removal  
Should it become necessary to remove the door  
assemblies from the fireplace, always remove  
the five (5) Phillips head screws that attach the  
door hinge to the fireplace, identified as (A) in  
Figure 6.  
Screws  
2 and 4  
Ifthetemperedglasspanebecomesscratched  
or chipped, it creates a weakness in the glass  
whichcancausetheglasstobreakwhenheated.  
Replace the pane of glass by contacting your  
nearest dealer.  
Figure 5  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
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Smoke spillage often occurs when a fire is first  
started, until the fireplace and the chimney has  
had the opportunity to “come up to tempera-  
ture” and to begin to function normally. If  
smoke spillage problems persist, a window  
may be opened just a crack to allow the proper  
flow of combustion air to the fireplace.  
CAUTION: GLASS AND METAL FRAMES  
GET HOT — ALWAYS USE HANDLES TO  
OPEN AND CLOSE THE DOORS.  
DAMPER ADJUSTMENT  
The damper can be adjusted to allow for a firm,  
butnotatightorloose, closure. Withthedamper  
in the open position, loosen the two (2) ³⁄₈" hex  
head bolts found on the center of the smoke  
dome behind the upper grille assembly. If the  
damper operates too tightly, slide the damper  
bracketdowntowardsthefrontofthefireplaceas  
shown in Figure 8. If the damper is too loose,  
slide the damper bracket up towards the rear of  
the fireplace. Tighten the bolts and verify that the  
adjustment is adequate. The damper bracket  
need only to be moved very slightly.  
WARNING: BE AWARE THAT SAFETY  
GLASS IS UNPREDICTABLE WHEN HOT  
ANDMAYBREAK,EXPELLINGHOTGLASS  
INTO THE ROOM. ADVISE ALL FAMILY  
MEMBERS TO REMAIN WELL AWAY  
FROM THE FIREPLACE WHEN OPERAT-  
ING WITH DOORS CLOSED TO AVOID  
ANY POSSIBLE PERSONAL INJURY.  
If your fireplace is equipped with an outside  
combustion air kit, keep it open at all times  
when fire is burning and close when fire is out  
to prevent cold air intrusion.  
Combustion Air Control  
IMPORTANT: Plated polished brass glass  
doors may have a plastic covering over all  
brass pieces for protection during shipping  
and handling. The plastic covering should be  
removedbeforeinstallationoftheglassdoors.  
Under the plastic covering is a protective  
lacquercoatingwhichshouldnotberemoved.  
In some instances, if it is removed, irrevers-  
ible damage to the brass finish could occur.  
Refer to the following for specific information  
on plated polished brass.  
Tighten  
Theactuatorforcombustionairsystemisstan-  
dard on all fireplaces but must not be operated  
if the complete system is not installed. See  
Figure 7 and refer to Figure 3.  
Loosen  
If you have reason to believe that you do not  
have a complete outside combustion system,  
contact your distributor to have your fireplace  
inspected for the presence of the complete  
system before you use the combustion air  
actuator. DO NOT assume that you have this  
system in place because you have an actuating  
lever present on your fireplace front face.  
3/8"  
Hex Head  
Bolts  
Damper  
Handle  
Bracket  
IMPORTANT: The lacquer coating on the pol-  
ished brass glass doors and trim pieces can  
be damaged or removed causing corrosion  
and/or tarnish. Do not remove the protective  
lacquer coating from plated polished doors  
andtrim. To help protect the finish; use a non-  
acidic wax and avoid the over-spray of acidic/  
alkali based glass cleaners on the brass  
pieces. Please understand that the heat of the  
fire will cause the protective lacquer finish to  
slightly changeto alightcaramelcolor. Donot  
be alarmed as this is a normal occurrence.  
WARNING: DO NOT OPERATE THE COM-  
BUSTION AIR ACTUATOR UNLESS A  
COMPLETE OUTSIDE COMBUSTION AIR  
VENT SYSTEM HAS BEEN INSTALLED  
WITH YOUR FIREPLACE.  
The control lever for the combustion air system  
is located on the left side of the fireplace opening  
behind the screen panel. If your fireplace is  
equipped with the optional combustion air kit,  
the control lover will move freely. If not, the  
retention plate will not have been removed. To  
opentheairdamper,liftup.Toclose,pushdown.  
Figure 8  
REFRACTORIES  
COMBUSTION AIR  
All fireboxes contain a furnace refractory floor,  
sides and back. These refractories are rein-  
forcedwithsteel,butcanbebrokenbyimproper  
use. Dropping logs on the bottom refractory  
and building fires directly against the refracto-  
ries can cause premature burnout of these  
components. It may easily be repaired or re-  
placedatcostsfarbelowrepairandmaintenance  
for masonry fireplaces.  
A proper amount of combustion air is impor-  
tant for your fireplace. Fireplaces consume  
large amounts of oxygen.  
OPEN  
It is important to allow an adequate supply of  
air. If the fireplace is not equipped with an  
outside air kit, it may not obtain sufficient  
amounts of combustion air from inside the  
house or structure in which it is installed.  
Therefore, thefiremaydrawfromanoutsideair  
sourceandpullairinthroughthechimney. This  
may cause smoke spillage into the room.  
CLOSED  
Figure 7  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
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3. Any piece of refractory larger than 2" (51  
mm) in radius and ³⁄₁₆" deep becomes dis-  
lodged.  
Proper care and “burn-in” of the firebox will  
prolong the period of enjoyment without ex-  
tensive maintenance. For the first few uses,  
build small fires – not roaring infernos. The  
materials used in the refractories contain and  
absorb moisture. It is important to “cure” the  
refractories by building only modest fires.  
Under normal usage, it is expected that hair-  
linecrackswillappearintherefractorysurface.  
These hairline cracks do not affect the safe  
operation of the fireplace.  
WARNING: CONTINUED OVERFIRING  
CAN PERMANENTLY DAMAGE YOUR  
FIREPLACE SYSTEM. SOME EXAMPLES  
OF OVERFIRING ARE:  
If conditions 1, 2 or 3 occur, the refractory  
should be replaced.  
• BURNING QUANTITIES OF SCRAP  
LUMBER, PINE BRANCHES, PAPER OR  
CARDBOARD BOXES WHICH EXCEED  
THEVOLUMEOFTHENORMALLOGFIRE.  
TWICE A YEAR CHECK-UP  
Normally, twice a year, you should inspect  
your fireplace following this list:  
• USE OF ARTIFICIAL WAX BASE LOGS,  
TRASH OR OTHER CHEMICALS OR  
CHEMICALLY TREATED COMBUS-  
TIBLES.  
MAINTENANCE GUIDELINES  
1. Inspect the opening in your chimney top  
and remove any debris that could clog it. The  
cap is usually held in place by four (4) screws,  
which remove easily for checking or cleaning  
the full length of the flue from above. Remove  
the chimney top while wearing gloves to guard  
against any sharp metal edges.  
Your fireplace is designed to operate trouble-  
free with minimum maintenance. However, like  
any fine appliance, it deserves and requires  
some housekeeping attention.  
CREOSOTE FORMATION AND REMOVAL  
When wood is burned slowly, it produces tar  
and other organic vapors, which combine with  
expelled moisture to form creosote. The creo-  
sote vapors condense in the relatively cool  
chimney flue of a slow-burning fire. As a result,  
creosote residue accumulates on the flue lin-  
ing. When ignited, this creosote makes an  
extremely hot fire.  
Your fireplace will perform better – and cer-  
tainly look more attractive to family and friends  
– if it is cleaned before each use. Before the first  
seasonal use in Autumn and after the last fire in  
Spring, it is important to inspect the fireplace  
system carefully. We recommend at least two  
complete fireplace inspections a year.  
2. Inspect the entire flue from the top down for  
obstructions such as birds nests, leaves, etc.  
This may be done by using a flexible handled  
chimney cleaning brush. If the chimney con-  
tainsoffset/returnelbows;asoftbrushcleaning  
from the top down to any elbow and then from  
thefireboxuptotheoffset/returnsectionisthe  
proper method. The beam from a powerful  
flashlight will help in this inspection.  
The chimney should be inspected at least twice  
yearly during the heating season to determine  
if a creosote build-up has occurred.  
Before Each Use  
1. Clean the firebox of excessive ashes. Some  
owners prefer to leave a small layer to insulate  
the cold refractory below the grate which helps  
fire starting.  
3. Look up from inside the fireplace (damper  
open) to see any obstructions in the lower flue  
area. If present, shut the damper and glass  
doors (if installed) to seal the firebox and  
contain any soot that might fall.  
If creosote has accumulated, it should be re-  
moved to reduce the risk of a chimney fire.  
Ifcreosotebuild-upisfound, donotusechemi-  
cal chimney cleaners that are poured on a hot  
fire. The chemical cleaners can be dangerous  
and generally only work on the flue section  
nearest the fire, leaving the rest of the flue  
unaffected.Itisbesttotakethetimetocleanthe  
flue as previously described or have the chim-  
ney professionally cleaned by a qualified  
chimney sweep.  
This fireplace has a factory supplied grate at-  
tached, it is permissible to remove the grate for  
cleaning; however, the grate must be re-at-  
tached to the fireplace before the next burn.  
If your do not have glass doors installed, a  
dampsheetcoveringthefireplaceopeningand  
sealed with masking tape will do. Then clean  
the flue from the top down (if an offset system,  
clean per Step 2) using a proper size chimney  
brush with flexible pole sections. Don’t open  
the doors or remove the sheet until all soot has  
settled. Vacuum, don’t sweep.  
2. Keep the fireplace screens clean so combus-  
tion air flows freely.  
3. Spot check the brick-like refractory for small  
cracks. Heat from the fire expands it slightly.  
When it cools, it contracts.  
TROUBLESHOOTING  
No Smoking Allowed  
4. Check the metal flashing and seals around  
your chimney. Seal any cracks or loose nail-  
head openings to prevent roof leaks.  
Refractories should be replaced when:  
Your new fireplace is designed not to smoke if  
properlyinstalledandoperatedperourinstruc-  
tions. If you do experience a problem, here are  
several things to check:  
1. The crack opens more than ¹⁄₄" (19 mm).  
5. Clean the firebox thoroughly by using a soft  
brush or equivalent.  
2. Pitting in the surface is extensive and pits  
become deeper than ³⁄₁₆" (4.76 mm).  
1. Remember – always check to ensure your  
flue damper is in the open position before  
lighting a fire!  
7
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2. When lighting your fire, a little smoke may  
escape into the room – more likely if the chim-  
ney is cold. To correct this, hold a lighted  
newspaper up inside the firebox near the open  
flue damper. This will turn around any down-  
draft and clear the flue of cold air. As your log  
fireburnsbelow, theupdraftwillimproveasthe  
chimney heats up.  
6. Is a vent fan, exhaust hood or central  
heating/cooling system stealing combustion  
air from your fireplace? If their volume is high  
enough, this can cause negative pressure and  
an unwanted downdraft – and smoking.  
REPLACEMENT PARTS  
A complete parts list is found at the end of this  
manual. Use only parts supplied from the  
manufacturer.  
Normally, all parts should be ordered through  
your Lennox dealer. Parts will be shipped at  
prevailing prices at time of order.  
7. Is your wood fuel too wet or unseasoned?  
Or does it contain some chemical substance  
that causes sputtering, smoking and toxic  
fumes?  
3. Is your fire too far forward? Move it toward  
the back with your poker. Keep the fire well  
within the confines of your fuel grate.  
When ordering repair parts, always give the  
following information:  
8. Figure 9 illustrates the correct height of  
yourchimneytop. Itisunlikelythatyourinstal-  
lation does not adhere to the installation  
instructions. However, if not correct, you  
could experience an unusual downdraft. Usu-  
ally,thebestsolutionistoincreasethechimney  
height. This may also be necessary if nearby  
trees, adjoining roof lines or a hill is causing a  
downdraft condition.  
1. The model number of the appliance.  
2. The serial number of the appliance.  
3. The part number.  
4. The description of the part.  
5. The quantity required.  
4. Keep your fire up on the grate and the refrac-  
tory below free of excessive ashes. The fire  
needs plenty of air movement around the logs.  
5. If smoking occurs an hour or two after  
lighting the fire, perhaps your well-insulated  
house is too airtight and there is scarcely any  
way for replacement air to enter and feed the  
fire. Checktoseeifyouroutsidecombustionair  
kit(ifinstalled)isopen.Checkoutsidetoensure  
noobstructionsareinfrontofexteriorairentry.  
Open a window slightly, open doors to one or  
two rooms and see if this stops the smoking.  
6. The installation date of the appliance.  
ACCESSORY COMPONENTS  
9. Remember, your fireplace has been de-  
signed as a supplemental heating device only,  
it is not intended to heat your entire home.  
Less Than 10' (1 m)  
Forced Air Kit  
LFAK-2000  
2'  
(51 mm)  
2'  
Blower Kit  
Min.  
3'  
(51 mm)  
Min.  
(914 mm)  
Min.  
3'  
10' (1 m)  
(914 mm)  
The LFAK-2000 blower provides for a constant  
velocity forced air circulation feature for your  
appliance.  
Min.  
Louver Kits  
38" Brass  
43" Brass  
91L63  
91L64  
38LK-B  
43LK-B  
Louver Kits  
Figure 9  
Decorative louver kits are available to enhance  
and beautify the front face of your fireplace.  
Thesekitsaredesignedtoattachdirectlytothe  
fireplace front face over the standard louvers.  
They are available in an attractive bright brass  
finish.  
WARRANTY  
This fireplace is covered by a limited warranty detailed separately from this document.  
Retain this manual. File it with your other documents for future reference.  
PRODUCT REFERENCE INFORMATION  
We recommend that you record the following important information about your fireplace. Please  
contact your Lennox dealer for any questions or concerns. For the number of your nearest Lennox  
dealer, please call 1-800-9-LENNOX  
Your Fireplace's Model Number _______________________________________  
Your Fireplace's Serial Number ________________________________________  
The Date On Which Your Fireplace Was Installed __________________________  
Your Dealer's Name_________________________________________________  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
8
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REPLACEMENT PART LIST  
FirePlus-38  
FirePlus-43  
No.  
Description  
Catalog No. Qty. Catalog No. Qty.  
1.  
2.  
Refractory, Bottom Assy.  
Refractory, Bottom Assy.  
Refractory, Rear  
1
1
2
1
3
3
3
4
2
1
1
1
2
2
4
2
16M57  
1
1
2
1
4
4
5
4
2
1
1
1
2
2
4
2
16M56  
16M58  
16M60  
16M62  
16M64  
16M65  
16M66  
16M67  
16M68  
16M70  
16M72  
16M74  
16M76  
16M29  
16M78  
16M79  
3.  
16M59  
16M61  
16M63  
16M64  
16M65  
16M66  
16M67  
16M69  
16M71  
16M73  
16M75  
16M77  
16M30  
16M78  
16M79  
4.  
Refractory, Side  
5.  
Refractory, Plug  
6.  
Refractory, Bottom Leg  
Grate/Bracekt Assy.  
Tube, Exchanger Upper  
Tube, Exchanger Lower  
Louver Assy., Upper/Lower  
Louver, Filler  
7.  
8.  
9.  
10.  
11.  
12.  
13.  
14.  
15.  
16.  
17.  
Door Assy., LH  
Door Assy., RH  
Screen Panel Assy.  
Screen Rod  
Post, Handle  
Wood, Handle  
4
13  
12  
3
1
16  
17  
15  
14  
2
5
7
8
9
10  
6
11  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
9
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11  
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Lennox reserves the right to make changes at any time, without notice, in design,  
materials, specifications, prices and also to discontinue colors, styles and products.  
Consult your local distributor for fireplace code information.  
Printed in U.S.A. © 2001 by LENNOX  
4325 Artesia Avenue • Fullerton, CA 92833  
714-521-7302  
P/N 875,007M REV. N/C 03/2001  
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