FMI MMST43 Instructions Manual
Instructions
ReportNo. 08-154
Masonry Firebox
Model MMST43
THIS WOOD-BURNING FIREPLACE COMPLIES WITH UL127 STANDARD AS A FACTORY-BUILT APPLIANCE.
WARNING: THIS FIREPLACE IS APPROVED FOR USE AS A WOOD BURNING FIREPLACE.
IT HAS NOT BEEN TESTED OR APPROVED FOR UNVENTED GAS LOGS.
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 INFORMATION. CONSULT A QUALIFIED INSTALLER OR LOCAL DISTRIBUTOR.
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 with your other
important papers.
Installer: Leave these instructions with the consumer.
Consumer: Retain for future reference.
Do not store gasoline or other ammable vapors and
liquids in the vicinity of this or any other appliance.
ICC Evaluation Services
Report No. 2401
This page has been left intentionally blank.
CONTENTS
2701 S. Harbor Blvd.
SANTA ANA, CA 92704
DATE OF MFG.
SERIAL No.
LISTED MASONRY FIREPLACE SYSTEM COMPLIES WITH APPLICABLE REQUIREMENTS OF UL127
Fireplace is designed for installation per the National Fire Protection Association Standard
for Chimneys, Fireplaces, Vents and Solid Fuel-Burning Appliances (NFPA 211).
MODEL
No.:
MMST43
DO NOT REMOVE THIS LABEL
See FMI’s installation and operating instructions for
this model. Contact local building officials about
restrictions and installation specifications in your area.
WARNING:
FOR USE ONLY WITH
12
" I.D.
FMI PRODUCTS, LLC LISTED
FIREPLACE COMPONENTS: PIPE
SECTIONS, FIRESTOP SPACERS,
OFFSET AND RETURN ELBOWS,
FLASHINGS, STORM COLLARS,
TERMINATIONS AND WALL SHIELDS.
!
THIS APPLIANCE NEEDS FRESH AIR FOR SAFE OPERATION AND MUST BE INSTALLED
SO THERE ARE PROVISIONS FOR ADEQUATE COMBUSTION AND VENTILATION AIR.
MANTEL CLEARANCES
0" - 3" : 1½" MAX. PROJ.
3" - 12" : 1½" - 8" MAX. PROJ.
MANTEL ABOVE OPENING:
MIN. - 3" SHEATHING OR
TRIM TO OPENING SIDES 8"
FIREPLACE CLEARANCES TO COMBUSTIBLES:
UNIT FRONT, SIDES, REAR.............................................. 2" (51 mm)
COMBUSTIBLE FLOOR ............................................ 6
"
(152 mm)
COMBUSTIBLE SHEATHING ABOVE OPENING TOP.... 8
"
(203 mm)
SHEATHING OR TRIM TO OPENING SIDES.................. 8
"
(203 mm)
MANTLE ABOVE OPENING...........................................12
"
(305 mm)
OPENING TO SIDE WALL............................................. 24
"
(610 mm)
HEARTH EXTENSION BEYOND FRONT...................... 20
"
(508 mm)
HEARTH EXTENSION BEYOND SIDES........................12
"
(305 mm)
INSULATION FROM FIREBOX........................................... 2
"
(51 mm)
!
WARNING
:
THIS FIREPLACE
HAS BEEN TESTED FOR USE ONLY
WITH APPROVED GLASS DOORS.
TO REDUCE THE RISK OF FIRE OR
INJURY, CONSULT OWNER’S MANUAL.
THIS FIREPLACE IS DESIGNED
FOR USE ONLY WITH SOLID
WOOD LOGS, PLUMBED LPG
OR NG LOG LIGHTERS OR
PLUMBED ANSI Z21.60
DECORATIVE GAS LOGS.
Consult instructions included with
this firebox for further information.
PFS
®
US
CHIMNEY HEIGHT:
Max.: 40 ft.
Min.: 14 ft.
(17 ft. with 1 or 2 offset
sections maximum)
6.5”
6.25
Report No.
08-154
ICC Evaluation
Services Report
No. 2401
Parts Lists ...............................................................................................................Pg. 2
Fireplace Overall & Framing Dimensions ................................................................Pg. 4
Fireplace Framing Dimensions (Combustible Floor Systems) ................................ Pg. 5
Safety Information ................................................................................................... Pg. 6
Product Overview ....................................................................................................Pg. 7
Clearance To Combustibles ....................................................................................Pg. 8
Fireplace & Chimney System ..................................................................................Pg. 8
Supporting Floor Systems .......................................................................................Pg. 9,10
Weight Determination ..............................................................................................Pg. 10
Component for combustible oors: 8” Metal Base .................................................. Pg. 11
Fireplace Assembly Procedures .............................................................................. Pg. 12 ~ 14
Firestop Radiation Shield ........................................................................................ Pg. 14
Firebrick Liners ........................................................................................................ Pg. 15
Electrical Line Feed ................................................................................................. Pg. 15
Fireplace Finishes and Combustible Trim Clearances ............................................ Pg. 16
Mantle and Mantle Shelf Clearances ...................................................................... Pg. 16
Installing Outside Air ............................................................................................... Pg. 16
Adding a Gas Pipe .................................................................................................. Pg. 16
Adding Electrical Connection .................................................................................. Pg. 16
Chimney Systems ................................................................................................... Pg. 17
Installing Damper and Chimney System ................................................................. Pg. 17
Fireplace Door Accessory ....................................................................................... Pg. 17
Owner’s Operation & Precautions ...........................................................................Pg. 18
Starting A Fire and Basic Operation ........................................................................ Pg. 18
Annual Fireplace Maintenance ................................................................................ Pg. 19
Technical Service ....................................................................................................Pg. 19
Replacement Parts .................................................................................................. Pg. 19
Appendix I ............................................................................................................... Pg. 20
Appendix II .............................................................................................................. Pg. 21
Warranty Information ............................................................................................... Pg. 22
Below is a sample picture of the rating plate that is located inside the lower dome side of your replace. Serial number and date
code should be stamped on the plate where required.
1
MMST43 Fireplace Parts Diagrams
Figure 1
13
14
8
7
12
6
20
Combustible Floor Systems
9
10
Non-Combustible Floor Systems
Figure 2
13
14
8
7
12
6
20
9
10
19
17
1
19
3
3A
16
18
1
3
3A
2
Optional Outside Ø4”
Combustion Air Kit
Model No.: MM4-AK
(Ø4” Ducting not included)
MMST43 Fireplace Parts List
ITEM P/N DESCRIPTION QTY
1 MFPST-43-1 HEARTH (Left or Right) 2
3 MFPST-43-3 SIDE WALL 5
3A MFPST-43-3A SIDE WALL W/4” KNOCKOUT 1
6 MFPST-43-6 LINTEL 1
7 MFPST-43-7 DOME SIDE - LOWER 2
8 MFPST-43-8 DOME SIDE - UPPER 2
9 MFPST-43-9 DOME TOP FOR 16” CLASS A CHIMNEY 1
10 MFPST-43-10 DOME FRONT/REAR - UPPER 2
12 125122-01 RATING PLATE, MM43ST 1
MM12AP
13
**
14
16 MMB43 STEEL SUPPORT PLATFORM 8 INCH HIGH 1
**
17
18 ** ASSY, FLOOR JOIST BRACE 4
19 ** #3 REBAR (Ø3/8”) x 36” 8
20 MMARC LINTEL TRIM (OPTIONAL) 2
Ø12” DAMPER / ANCHOR PLATE ---
INSULATION BLANKET ---
CEMENT BOARD ---
MM43STSHBL- Herringbone
MM43STFRBL- Running Bond
Refractory Firebrick Liners
(Herringbone Pattern shown, also available
in Running Bond - see Pg.27)
Only the following
doors have been tested
and approved for use
with this fireplace:
Crown-Breckinridge
or
McKenzie-Pendelton
3
MMST43 Fireplace Overall Dimensions
62 7/8"
43 1/4"
29 1/8"
24 1/2"
3"
37 3/8"
A
A
18 7/8"12 1/8"
28"
14"
SECTION A-A
23 1/2"
38 5/8"
2 1/4"
Figure 3
Overall Dimensions
Figure 4
IF WOOD FRAMING IS UTILIZED
IT MUST BE HELD 18 INCHES
MIN. FROM TOP OF LINTEL AND
2 INCHES MIN.CLEARANCE
MUST BE MAINTAINED ALL
AROUND FIREPLACE DOME.
IF METAL FRAMING IS USED
MAINTAIN A 1/2 INCH MIN. AIR
SPACE FROM TOP OF LINTEL.
2” MIN. CLEARANCE TO
COMBUSTIBLES AROUND SIDES,
REAR AND TOP OF FIREPLACE DOME.
Non-Combustible Floor Systems
Fireplace Framing Dimensions
57” I.D.
FRAMING
MAINTAIN THE 2” CLEARANCE TO
COMBUSTIBLES ABOVE THE DOME. DO
NOT ATTACH COMBUSTIBLE MATERIALS
ON TOP OF THE DOME.
28” O.D.
WARNING
Failure to position the parts in accordance with these diagrams or failure to use only parts specically
approved with this appliance may result in property damage or personal injury.
4
30 5/8"
65"
28”
1/2”
2”
Fireplace Framing Dimensions (Combustible Floor Systems)
20"
MIN
12"
MIN
12"
MIN
2" MIN
53"
Figure 5 - Combustible Floor
2” MIN**
8-1/2”
57” I.D.
FRAMING
2” MIN*
* 2 INCH CLEARANCE TO COMBUSTIBLES BOTH
SIDES OF FIREPLACE
CLASS “A”
CHIMNEY
SEE FIG. 27
AND 28
SEE FIG. 26
** If using a raised hearth or metal base plate, note that a
combustible wood header must be no closer than 2” to the
top of the dome top.
Figure 6 - Non-Combustible Hearth Extension (by others*)
2” MIN*
53”
12”
MIN
20”
MIN
12”
MIN
* Not provided as part of replace
ONLY NON-COMBUSTIBLE
MATERIAL WITHIN 18” OF
TOP OF OPENING.
20”
Figure 7 - Combustible Floor
2” AIRSPACE
CLEARANCE TO
COMBUSTIBLES
FROM REAR
AND SIDES
1/2” THICK
CONCRETE
BOARD
8” METAL
PLATFORM
5
Safety Information
WARNING: THIS FIREPLACE HAS NOT BEEN
TESTED FOR USE WITH AN UNVENTED GAS LOG SET.
TO REDUCE THE RISK OF FIRE OR INJURY, DO NOT
INSTALL AN UNVENTED GAS LOG SET INTO FIREPLACE.
WARNING: THIS FIREPLACE HAS BEEN TESTED
FOR USE WITH OPTIONAL GLASS DOORS: CROWN-
BRECKINRIDGE OR MCKENZIE-PENDELTON ONLY.
WARNING:
Install only approved, listed UL 103-16” I.D. Class A
Chimney System.
Chimney maximum height: 40 feet
Chimney minimum height: 14 feet (with offset = 17 feet)
2 offsets maximum.
Important: Follow the chimney pipe manufacturer’s
instructions on the installation of their specic ue system.
GUIDELINES FOR USE:
All current and future users of FMI Products, LLC Fireplaces
are charged with the responsibility for full knowledge of the
information contained within this manual which includes:
Strict requirements for assembly.
Detailed instructions for installation.
Cautionary guidelines for use.
On-going maintenance instructions.
It is the responsibility of the distributor, subcontractor and/or
the general contractor – whoever shoulders the liability for
installation of this product – to see to it that the work is in
complete compliance with the guidelines and instructions
in this manual. Note that the general contractor is the party
accountable for seeing that adequate clearances are provided
from all rebox surfaces per specications in this manual.
DO NOT USE A FIREPLACE INSERT OR OTHER
PRODUCTS NOT SPECIFIED FOR USE WITH THIS
FIREPLACE.
The Grand Meridian is Designed for Use Only with:
- Solid Wood Logs
- Plumbed LPG or Natural Gas Log Lighter.
- Plumbed ANSI Z21.60 Decorative Gas Log.
DO NOT USE OR STORE GASOLINE OR OTHER
FLAMMABLE LIQUIDS OR GASES IN OR NEAR THE
FIREPLACE!
ATTENTION: A re or an explosion could occur causing
property damage, injury or loss of life if you do not follow the
information in this manual!
NOTE: THIS MANUAL MUST BE REPRODUCED ONLY
IN ITS ENTIRETY.
Before Beginning the Installation
Read these instructions carefully before beginning the
installation of this replace. Also, if installing an ANSI Z21.60
Decorative Gas Log, read the gas log appliance manufacturer’s
literature regarding sizing and suitability for the installation into
this Enclosure prior to installation.
Statement of Intended Use:
The Grand Meridian Fireplace is a modular refractory
masonry unit designed for eld assembly. The rebox is
constructed using pre-cast, interlocking refractory blocks.
The blocks are then secured to each other using Mortar. The
system includes all parts necessary for the assembly of a
complete masonry replace. In addition to the basic enclosure,
a standard 1-1/8” thick, high temperature refractory brick is
required to line the interior of the rebox.
These replaces are not intended to serve as a primary
heat source, rather, the replace was expressly created as a
supplemental source of heat. The unit is designed for use with
solid fuels such as cord wood.
WARNING:
Any application other than the “Intended Use” as stated above
is in violation of the manufacturer’s instructions and is hereby
prohibited. Such violation may cause immediate hazard,
property damage or loss of life and will void all liabilities to the
manufacturer and will void all warranties explicit or implied.
6
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