mFi Mason-Lite MFPST43 Instructions Manual Download Page 7

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Safety Information

Safety Information

GUIDELINES FOR USE:

All current and future users of Mason-Lite 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 firebox surfaces per specifications in this manual.

DO NOT USE A FIREPLACE INSERT OR OTHER 

PRODUCTS NOT SPECIFIED FOR USE WITH THIS 

FIREPLACE.

The Mason-Lite 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  fire  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 fireplace. 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 Mason-Lite Masonry Fireplace is a modular refractory

masonry  unit  designed  for  field  assembly.  The  firebox  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 fireplace. In addition to the basic enclosure, 

a standard 1-1/8” thick, high temperature refractory brick is 

required to line the interior of the firebox.

    These  fireplaces  are  not  intended  to  serve  as  a  primary 

heat source, rather, the fireplace 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.

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 FIRE-

PLACE.

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 specific flue system.

Summary of Contents for Mason-Lite MFPST43

Page 1: ...is 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 n...

Page 2: ...STIBLE SHEATHING ABOVE OPENING TOP 18 457 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 EX...

Page 3: ...rts Diagrams MFPST43 Fireplace Parts Diagrams Combustible Floor System Parts Combustible Floor System Parts Fireplace Parts Diagram Fireplace Parts Diagram 10 11 9 5 6 4 7 8 12 2 1 14 3 13 17 18 19 Fi...

Page 4: ...LL WITH OUTSIDE AIR KIT ACCESS 4 HOLE 1 3 SIDE WALL 7 4 LOWER SIDE DOME 2 5 LINTEL 2 6 LOWER DOME FRONT 2 7 53 X4 X 3 X 1 4 ANGLE IRON 2 8 SPILL SWITCH BAFFLE 2 9 UPPER SIDE DOME 2 10 UPPER DOME FRONT...

Page 5: ...8 57 I D FRAMING 18 MIN 2 MIN 2 MIN 2 MIN 2 MIN Non Combustible Floor Systems 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 M...

Page 6: ...te note that a combustible wood header must be no closer than 2 to the top of the dome top Figure 5 Combustible Floor 28 57 I D FRAMING 2 MIN 2 MIN 20 MIN 2 MIN 12 MIN Not provided as part of fireplac...

Page 7: ...nce manufacturer s literature regarding sizing and suitability for the installation into this Enclosure prior to installation Statement of Intended Use The Mason Lite Masonry Fireplace is a modular re...

Page 8: ...ements Choice of materials and craftsmanship in fireplace and hearth finishing Note that each of these topics will be covered in detail and that the installer is expected to understand each phase comp...

Page 9: ...himney System 2 This Mason Lite fireplace is intended as a supplemental heat source only It is not intended as a primary heat source 3 It is the responsibility of the contractor installer not the manu...

Page 10: ...he floor joists Note that additional floor joists may be required to support the weight of the firebox and chimney Where the floor joists run parallel to the front of the firebox anchorage can be acco...

Page 11: ...bers having a moisture content of less than 16 per cent at time of installation and used under dry conditions the deflection resulting from L 0 5D is permitted to be substituted for the deflection res...

Page 12: ...ce are made of Mason Lite s incredibly strong blend of specialty cement and a light weight aggregate IMPORTANT When applying mortar it is imperative that the concrete blocks be maintained moist not so...

Page 13: ...y threading mortar as you stack each section one onto the next Constantly check for squareness and levelness while building each MFPST43 Fireplace Assembly MFPST43 Fireplace Assembly Field Assembly Pr...

Page 14: ...s have such holding power you should look over the firebox assembly at the end and fill in any gaps especially joint connections with the mortar Needless to say you must make adjustments to be sure th...

Page 15: ...tallations at each floor penetration above that where the Support Box is located as shown in Figure 29 Figure 29 Firestop Spacer with Living Space Above Ceiling Firestop Spacer Existing C e i l i n g...

Page 16: ...shed Height to Combustible Floor Disclaimer Masonry Fireplace Industries wishes to express that as the manufacturer of Mason Lite Fireplaces they cannot take any liability or responsibility for they w...

Page 17: ...r greater For Mantel clearances see Figure 9 Walls that Adjoin your fireplace cannot be installed closer than 2 ft two feet to any adjoining walls in the room where the fireplace is Caution in Regards...

Page 18: ...consequences resulting in an accident or malfunction If instructions are not followed the warranty on the product will become null and void Note that the most important aspect of the installation is...

Page 19: ...ed all elements of the fireplace and chimney system must be completely dry This means that the unit must stand without any firing for a minimum of 28 days Only after that period of time can a first li...

Page 20: ...exible brush from the top of the section downward to the elbow Then clean from the firebox up to the offset return section Be sure that you have covered the floor of the fireplace and out to the heart...

Page 21: ...slab The concrete strength and durability shall comply with Sections 1903 1904 and 1905 of the International Building Code IBC TABLE R402 2 MINIMUM SPECIFIED COMPRESSIVE STRENGTH OF CONCRETE MINIMUM...

Page 22: ...ly b Lines defining areas are approximate only Local conditions may be more or less severe than indicated by region classification A severe classification is where weather conditions result in signifi...

Page 23: ...his warranty makes MFI or any affiliate thereof liable in any respect for any injury or damage to the building or structure in which the fireplace has been installed or to the persons or property ther...

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