FMI B42LI-M User Manual
WOOD BURNING FIREPLACE
Flame
Flame
TM
by FMI PRODUCTS, LLC
P F S
®
USC
OWNER’S OPERATION AND INSTALLATION MANUAL
ICC-ES #ESR-2542
MODEL B42LI-M
SAVE THIS BOOK
This book is valuable. In addition to instructing you
on how to install and maintain your appliance, it also
contains information that will enable you to obtain replacement parts or accessory items when needed. Keep
it with your other important papers.
This replace is approved for use as a wood burning
replace or for use with a vented gas log approved to
ANS Z21.60, Z21.84 standard or for use with a vent-free
gas log heater approved to ANS Z21.11.2 standard. A FMI
PRODUCTS, LLC hood must be installed when using a
vent-free log heater (see Accessories, page 18).
This wood burning replace complies with UL127CAN/ULS-S610-M87 standard as a FACTORY BUILT
APPLIANCE.
FOR CANADA: The authority having jurisdiction (such
as the municipal building department, re department,
etc.) should be contacted before installation to determine the need to obtain a permit.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
For more information, visit www.fmiproducts.com
Safety .................................................................. 2
TABLE OF CONTENTS
Specications ...................................................... 3
Fireplace Installation............................................ 4
Venting Installation .............................................. 7
Optional Gas Line Installation............................ 13
SAFETY
Operation and Maintenance .............................. 14
Technical Service............................................... 15
Parts .................................................................. 16
Replacement Parts ............................................ 18
Accessories ....................................................... 18
WARNING: Improper installation, adjustment, alteration,
service or maintenance can
cause injury, property damage or
loss of life. Refer to this manual
for assistance or additional in-
formation. Consult a qualied
installer or local distributor.
IMPORTANT: Check local codes
before installing this replace.
Before beginning installation of this replace,
read these instructions through completely.
• This FMI PRODUCTS, LLC replace and
its components are safe when installed
according to this installat ion manual.
Unless you use FMI PRODUCTS, LLC
components, which have been designed
and tested for the replace system, you
may cause a re hazard.
• The FMI PRODUCTS, LLC warranty will
be voided by and FMI PRODUCTS, LLC
disclaims any responsibility for the following
actions.
a. Modifica tion of the fi replace , com -
ponents, doors, air inlet system and
damper control.
b. Use of any component part not manufac-
tured or approved by FMI PRODUCTS,
LLC in combination with a FMI PROD-
UCTS, LLC replace system.
Proper installation is the most important step
in ensuring safe and continuous operation of
replace. Consult the local building codes as
to the particular requirements concerned with
the installation of all factory built replaces.
WARNING: Do not install a
replace insert in this box unless
the manufacturer's instructions
with the insert specically state
this replace has been tested for
use with this insert.
FOR YOUR SAFETY
• Do not store or use gasoline
or any other ammable vapors
or liquids in the vicinity of this
or any other appliance.
• Due to high temperatures, the
appliance should be located
out of trafc and away from
furniture and draperies.
• Do not place clothing or other
ammable materials on or near
the appliance.
• Never leave children unattended when a re is burning
in the replace.
WARNING: Use solid wood
or processed solid fuel re logs
only. When processed wood
fuel re logs are used, do not
poke or stir the logs while they
are burning. Use only re logs
that have been evaluated for
the application in replace and
refer to re log warnings and
caution markings on packaging
prior to use.
This replace is not intended to
be used as a substitute for a furnace to heat an entire home. Use
for supplemental heat only.
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115386-01D2
SPECIFICATIONS
0" TO
BOTTOM
OUTSIDE AIR
(LEFT SIDE
ONLY)
TOP SPACERS
3/4" AIR
SPACE
BACK
AND
SIDES
HEARTH
EXTENSION
66" X 20"
12"
EACH SIDE
1" AIRSPACE
TO COMBUSTIBLE
COMBUSTIBLE
WALL BOARD
0" TO
MATERIAL
NO COMBUSTIBLE
MATERIAL ON FACE
GAS LINE
KNOCK OUT
AIR KIT
KNOCK OUTS
ROUND TOP TERMINATION
GAS LINE
KNOCK OUTS
LEFT SIDE
RIGHT SIDE
NOT LESS
THAN 14" TO
PERPENDICULAR
SIDEWALL
SQUARE CHASE-TOP
TERMINATION
8.25"
10.375"
13"
37.5"
33"
44"
42"
21.5"
32"
6.5"
38.85"
14.438"
1.375"
25.375"
7"
7"
1"
8.25"
14"
44"
1"
1.75"
0.625"
28.5"
21.125"
115386-01D 3
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22"
37.625"
44.25"
52 1/2"
15
7
/8"
22
1
/2"
72
7
/8"
Maintain 3/4"
Clearance at
Sides and
Back of
Fireplace
3/4" Clearance Not
Required at Nailing Flanges
FIREPLACE INSTALLATION
SELECTING LOCATION
To determine safest and most efcient location
for replace, you must take into consideration
the following guidelines:
1. Location must allow for proper clearances
(see Figures 1 and 2).
2. Consider a location where replace will
not be affected by drafts, air conditioning
ducts, windows or doors.
3. A location that avoids cutting of joists or
roof rafters will make installation easier.
4. An outside air kit is available with this
replace (see Optional Outside Air Kit on
page 7).
MINIMUM CLEARANCE TO
COMBUSTIBLES
Back and sides of replace 3/4" minimum*
Floor** 0" minimum
Perpendicular wall to opening 14" minimum
Top spacers 0" minimum
Mantel clearances see Mantels, page 6
Chimney outer pipe surface 1" minimum
* Not required at nailing anges
** See step 2 of Framing
WARNING: Do not pack required air spaces with insulation
or other materials.
Minimum/Maximum Chimney Height
Minimum height of chimney, measured from
base of replace to ue gas outlet of termination, is 11.5 feet for straight ue or a ue with
one elbow set. Maximum distance between
elbows is 2 feet. For systems with two elbow
sets, minimum height is 22 feet. Maximum
height of any system is 50 feet. This measurement includes replace, chimney sections and
height of termination assembly at level of ue
gas outlet (see Figure 18, page 11).
FRAMING
1. Frame opening for replace using dimensions shown in Figures 1 and 2.
2. If replace is to be installed directly on
carpeting, tile (other than ceramic) or any
combustible material other than wood
a metal or wood panel extending full width
ooring, replace must be installed upon
and depth of replace.
3. Set replace directly in front of this opening and slide unit back until nailing anges
touch side framing.
4. Check level of replace and shim with
sheet metal if necessary.
5. Before securing fireplace to prepared
framing, ember protector must be placed
between hearth extension (not included)
and under bottom front edge of replace
to protect against glowing embers falling
through. If replace is to be installed on
a raised platform, a Z-type ember protector (not included) must be fabricated to
t your required platform height. Ember
protector should extend under replace a
minimum of 1
1
/2". Ember protector should
be made of galvanized sheet metal (28
gauge minimum) to prevent corrosion.
6. Using screws or nails, secure replace to
framing through anges located on sides
of replace.
Figure 1 - Framing Dimensions
Figure 2 - Corner Installation
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115386-01D4
FIREPLACE INSTALLATION
Continued
HEARTH EXTENSION
A hearth extension projecting a minimum of
20" in front of and a minimum of 12" beyond
each side of replace opening is required to
protect combustible oor construction in front
of replace. Fabricate a hearth extension
using a material which meets the following
specications: a layer of noncombustible,
inorganic material having a thermal conductivity of K=0.84 BTU IN/FT, HR. F (or less) at 1"
thick. For example, if material selected has
a K factor of 0.25, such as glass ber, the
following formula would apply:
0.25 x 1.0" = 0.30" thickness required
0.84
Thermal conductivity "K" of materials can be
obtained from manufacturer or supplier of
noncombustible material. If hearth extension
is to be covered, use noncombustible material such as tile, slate, brick, concrete, metal,
glass, marble, stone, etc. Provide a means
to prevent hearth extension from shifting and
seal gap between replace frame and hearth
extension with a noncombustible material
(see Figure 3).
WARNING: Hearth extension
is to be installed only as shown
in Figure 3.
Fireplace Front
Ember Protector
Seal Gap
NO
Do Not Block Louver
Extension
Fireplace Front
Elevated
Ember Protector
Hearth Extension, Circulating Modes
Fireplace Front
Ember Protector
Fireplace Front
Raised Hearth
Ember Protector
Fireplace Front
Elevated
Seal Gap
Seal Gap
Extension
Seal Gap
Hearth
Hearth
Ember Protector
Hearth Extension, Noncirculating Models
Figure 3 - Hearth Extension
115386-01D 5
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FIREPLACE INSTALLATION
FIREBOX
SAFE ZONE
12 1/4" Ref.
1
1
/2"
Max.
Upper Section
of Circulating
Fireplace
6"
Ref.
9"
Min.
33°
3" Nom.
*Note: Drawing
Not To Scale
Safe Zone For
Projection of
Combustible
Materials
Combustible
Material
15"
Min.
12"
Min.
Fireplace Opening
To p of
Louvered
Opening
Continued
MANTELS
A mantel may be installed if desired (see
Figure 4). Woodwork such as wood trims,
mantels or any other combustible material
projecting from front face must not be placed
within 12" of replace opening (and within 9"
of top louver opening). Combustible materials above 12" and projecting more than 1 1/2"
from replace must not be placed less than
12" from top opening of replace (NFPA STD
211, Sec. 7-3.3.3).
Mantels or any other combustible material
may come up to side edge of black metal face
of replace if projection from front face falls
within limits shown in Figure 5.
FAN/BLOWER KIT ASSEMBLY
Fan or blower kit is optional with this replace
(for circulating models only). Use of blowers
or fans other than those manufactured by
FMI PRODUCTS, LLC voids warranty. Fan
is operated by pressing rocker switch (see
Figure 6) in lower right hand corner of replace
face. Blower is operated by turning control
knob (not shown).
Fan/blower kit electrical connections are
made through electrical cover plate on side
of replace a shown in Figure 6.
Sheet
Metal
Screws
Figure 4 - Mantel Clearances to
Combustible Material
Top View of Fireplace
8"
33°
Min. 12" from
Perpendicular Side Wall
Figure 5 - Side Mantel Clearance
1"
Rocker
Switch
Electrical
Housing
Receptacle
(Supplied)
Prewired Receptacle
and Ground
Figure 6 - Fan Switch-Electrical Bushing
Wiring Instructions
1. Remove electrical cover plate with bushing from replace by removing 2 sheet
metal screws as shown in Figure 6.
0.625" Max.
2. Slide power source wiring through electrical bushing opening and electrical cover
plate and make all necessary connections.
3. Slide all wiring connections in electrical
housing as shown in Figure 6.
4. Secure electrical cover plate with screws
previously removed.
Note: Electrical housing and cover plate have
sharp edges. Wear protective gloves.
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Wire Nut (3x)
(Not Supplied)
Electrical
Bushing
Electrical
Cover
Plate
Outer Wrapper
of Fireplace
Power Source Wiring
(Not Supplied)
To Power
Source
Electrical Cover
Plate and
Electrical Bushing
Fireplace Chassis
Ground
115386-01D6
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