Table of Contents
Advertisement
Quick Links
WARNING:
If the information in these instructions is
not followed exactly, a fire or explosion
may result causing property damage,
personal injury or death.
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electrical switch; do
not use any phone in your building.
• Immediately call your gas supplier from
a neighbor's phone and follow the gas
supplier's instructions.
• If you cannot reach your gas supplier,
call the fire department.
Installation and service must be
performed by a qualified installer, service
agency, or the gas supplier.
Do not store gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
REV JAN 2021
Vent Free Universal Masonry Firebox
Model MFPST43VF
INSTALLER
CONSUMER:
This appliance is only for use with the type
of gas indicated on the rating plate. This
appliance is not convertible for use with
other gases, unless a certified kit is used.
Inc.
This firebox has been tested and approved by PFS
under ANSI Z21.91 for use with any ANSI Z21.11.2
approved gas logs.
FOR USE ONLY WITH A LISTED GAS-FIRED UNVENTED
DECORATIVE ROOM HEATER NOT TO EXCEED 40,000
BTU/H.
DO NOT BUILD A WOOD FIRE.
Carefully review the instructions supplied with the
decorative type unvented room heater for the minimum
fireplace size requirement.
DO NOT INSTALL AN APPLIANCE IN THIS FIREBOX
UNLESS THIS FIREBOX MEETS THE MINIMUM
DIMENSIONS REQUIRED FOR THE INSTALLATION.
: Leave this manual with the appliance.
Retain this manual for future reference.
IMPORTANT:
CAREFULLY BEFORE STARTING
INSTALLATION OF THIS FIREPLACE.
Instructions
READ THESE INSTRUCTIONS
Report No. 08-154
Advertisement
Table of Contents
Related Manuals for mFi Mason-Lite MFPST43VF
Summary of Contents for mFi Mason-Lite MFPST43VF
- Page 1 Instructions Inc. Vent Free Universal Masonry Firebox Model MFPST43VF This firebox has been tested and approved by PFS WARNING: under ANSI Z21.91 for use with any ANSI Z21.11.2 If the information in these instructions is approved gas logs. not followed exactly, a fire or explosion may result causing property damage, FOR USE ONLY WITH A LISTED GAS-FIRED UNVENTED personal injury or death.
-
Page 2: Table Of Contents
CONTENTS CONTENTS Exploded Parts Diagram ..................Pg. 2 General Information ....................Pg. 3 Safety Information ....................Pg. 4 Location ........................Pg. 5 Supporting Floor Systems ..................Pg. 5 ~ 6 Mason-Lite Weight Determinations ................. Pg. 7 Clearances ......................Pg. 7, 8 Air for Combustion and Ventilation ................ -
Page 3: Exploded Parts Diagram
Exploded Parts Diagram Exploded Parts Diagram Figure 1 Exploded Diagram ITEM DESCRIPTION HEARTH SIDE WALL LOWER SIDE DOME 53” x 4” x 3” x 1/4” ANGLE IRON LOWER DOME FRONT LINTEL DOME TOP RATING PLATE #3 REBAR (Ø3/8”) QTY of rebar: Six (4) pieces 3/8”... -
Page 4: General Information
Mason-Lite fireplaces are designed as Factory Built - Field We extend a warm welcome from all of us at Masonry Assembled Fireplaces to be installed on both combustible and Fireplace Industries, Inc. (MFI), proud manufacturers of non-combustible floor systems. They have been extensively Mason-Lite Fireplaces. -
Page 5: Safety Information
Safety Information Safety Information Avoid any drafts that alter burner flame patterns. Do not DANGER: allow fans to blow directly into the fireplace. Do not place Carbon monoxide poisoning may lead to a blower inside burn area of the firebox. Ceiling fans may create drafts that alter burner flame patterns. -
Page 6: Location
Carefully review the instructions supplied with the decorative type unvented room heater for the minimum firebox size Figure 4 requirement. DO NOT INSTALL THE APPLIANCE IN THIS FIREBOX UNLESS THIS FIREBOX MEETS THE MINIMUM DIMENSIONS REQUIRED FOR THE INSTALLATION. IMPORTANT: Vent-free heaters add moisture to the air. Installing a fireplace in rooms without enough ventilation air may cause mildew to form from too much moisture. - Page 7 Figure 7 Anchor Figure 5 Brackets I-Joist Anchor Bracket Anchoring Assembly A35 Brackets Bottom (16 required) View Example Only 2 1/4" It is important to take into consideration that the load for EXAMPLE ONLY the Mason-Lite Fireplace must be considered as additional dead load that will have to be supported by the floor framing.
-
Page 8: Mason-Lite Weight Determinations
Figure 10 EXAMPLE ONLY Fireplace Typical Anchorage outline Layout 10” SECTION VIEW ROTATED 90CW Mason-Lite Weight Determinations Mason-Lite Weight Determinations Clearances Clearances The Importance of Clearances The following are dead load weight estimates for the Mason- Lite Fireplace. Warning to the structural engineer and/or building contractor: It is your responsibility to be certain that the Mason-Lite can be Table I properly supported by the combustible floor system on which... - Page 9 the Vent-Free fireplace shall then be installed on a metal or Figure 12 wood platform extending the full width and depth of the Vent- Free fireplace. 10" MANTEL Clearance to Combustible Trim: Mason-Lite Vent-Free Fireplaces are designed to be custom finished with facing trim and mantle to be an owner option.
-
Page 10: Air For Combustion And Ventilation
Unconfined Space Air for Combustion and Ventilation Air for Combustion and Ventilation An unconfined space has a minimum total air volume of Energy efficient homes require homes to be airtight but at the 50 cu.ft. (cubic feet) for each 1,000 Btu/Hr input rating of all same time provide sufficient fresh air to breathe. -
Page 11: Important Pre-Installation Information
Modular Space, you must provide additional fresh air. Your options are firebrick panels are also available from MFI. as follows: a) Re-work worksheet, adding the space of an adjoining room Additional Materials Required: that may not have qualified for the extra volume. -
Page 12: Fireplace Assembly Procedures
bag and then place the components together applying Fireplace Assembly Procedures Fireplace Assembly Procedures the mixture directly to the components where they come together. As a rule, you can figure that you should lay down Note - Wipe excess water from surface prior to applying grout. about ½”... - Page 13 3) Position Hearth to the outline created. The overall width should allow for an approximate gap of 1/8” between slabs Figure 20 for the additional mortar to unite the remaining slab. Check Add 36” rebar for surface flatness, level if necessary. after fourth row 4) Apply mortar to the remaining Hearth except this time apply beading on other side to be facing floor as shown in Figure...
-
Page 14: Gas Piping Installation
12) Now install the Smoke Dome Tops. Align outer edges with Gas Piping Installation Gas Piping Installation Lower Dome Sides. Check for flatness and squareness. The provision for installation of a gas pipe is only for Figure 23 connection to a Vent free decorative gas log sets meeting standard ANSI Z21.11.2 Familiarize yourself with requirements for installation as outlined by the National Fuel Gas Code, ANSI Z223.1. -
Page 15: Firebrick Liner Installation
Consider if brackets for grates will be required, also if operation. pre-drilling is required for gas lines, electrical or if the outside combustion air kit is to be installed. The following Firebrick Patterns are available from MFI: MFPST43 SHBL - Herringbone Figure 28 MFPST43 FRBL- Running Bond... -
Page 18: Warranty Information
HEREBY EXCLUDED. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. If a component is found to be defective under the terms of this warranty, the party this warranty is extended to shall notify MFI, 6391 , Riverside, CA 92514 Jurupa Ave., PO Box 4338...
Need help?
Do you have a question about the Mason-Lite MFPST43VF and is the answer not in the manual?
Questions and answers