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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 2019
Vent Free Universal Masonry Firebox
Models MFP39/44/49VF
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.
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
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Table of Contents
Related Manuals for mFi MASON-LITE MFP39VF
Summary of Contents for mFi MASON-LITE MFP39VF
- Page 1 Instructions Vent Free Universal Masonry Firebox Models MFP39/44/49VF 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.
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Page 2: Table Of Contents
CONTENTS Fireplace Parts Diagram ..................Pg. 2 Fireplace Parts List ....................Pg. 3 General Information ....................Pg. 4 Safety Information ....................Pg. 5 Location ........................Pg. 6 Supporting Floor Systems ..................Pg. 6 ~ 7 Mason-Lite Weight Determinations ................. Pg. 8 Clearances ...................... -
Page 3: Fireplace Parts Diagram
Fireplace Parts Diagram Figure 1 Exploded Diagram WARNING Customer Service & Parts Replacement Failure to position the parts in accordance with these diagrams or Parts and accessories may be purchased from your local failure to use only parts specifically dealer. Additional information is available from Masonry approved with this appliance may result Fireplace Industries,.LLC. -
Page 4: Fireplace Parts List
MFP39/44/49VF Fireplace Parts List ITEM DESCRIPTION MFP39-1 MFP44-1 HEARTH (Left or Right) MFP49-1 MFP39-2 MFP44-2 REAR WALL MFP49-2 MFP39-3 MFP44-3 SIDE WALL MFP49-3 MFP39-5 MFP44-5 DOME REAR - LOWER MFP49-5 MFP39-6 MFP44-6 LINTEL MFP49-6 MFP39-6A MFP44-6A LINTEL FRONT MFP49-6A MFP39-6B MFP44-6B T-BAR MFP49-6B... -
Page 5: 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, LLC. (MFI), proud manufacturers of non-combustible floor systems. They have been extensively Mason-Lite Fireplaces. -
Page 6: Safety Information
Safety Information The Vent free decorative gas log set must have an DANGER: oxygen depletion sensor (ODS) pilot light safety system. Carbon monoxide poisoning may lead to The ODS shuts down the fireplace if not enough fresh air is available. See Air for Combustion and Ventilation, death! page 10. -
Page 7: Location
Location Figure 4 Note: You may need to provide combustion and ventilation air from an outside source to adequately satisfy local codes so avoid installing a combustion air inlet where the opening could be blocked by snow, bushes or other obstacles. Note that the access for outside air inlet is located on the right hand side of the fireplace. - Page 8 Figure 5 Crawl Space or Upper Floor: Anchor Bracket For installation of firebox over combustible crawl spaces or Assembly upper floors, anchorage of the firebox is required. Illustrations A35 Brackets of examples of possible anchorage methods are shown in (16 required) Figures 5 thru 7 depending upon the type of floor framing.
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Page 9: Mason-Lite Weight Determinations
Mason-Lite Weight Determinations The following are dead load weight estimates for the Mason-Lite Fireplace. Table I Fireplace Model MFP39VF MFP44VF MFP49VF 809 lbs. 896 lbs. 987 lbs. Fireplace Weight Mortar, Rebar & 350 lbs. 357 lbs. 364 lbs. Ready Mix Concrete 333 lbs. -
Page 10: Clearances
Clearances Figure 11 The Importance of Clearances Warning to the structural engineer and/or building contractor: It is your responsibility to be certain that the Mason-Lite can be properly supported by the combustible floor system on which the fireplace will rest. Be advised that this engineering equation will be in addition to any live or dead weights that the floor has NON- to carry. -
Page 11: Air For Combustion And Ventilation
Interior Wall Materials: Air for Combustion and Ventilation Wall materials, such as drywall, should be set flush with Energy efficient homes require homes to be airtight but at the the rough front face of the Vent-Free fireplace. This will allow same time provide sufficient fresh air to breathe. - Page 12 Unconfined Space 4. Compare the maximum Btu/Hr the space can support with An unconfined space has a minimum total air volume of the actual amount of Btu/Hr used. 50 cu.ft. (cubic feet) for each 1,000 Btu/Hr input rating of all appliances in the total space (cu.ft.
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Page 13: Important Pre-Installation Information
Modular place the next component on top of or next to the component firebrick panels are also available from MFI. you previously place. This is to be expected – it means the two pieces have properly bonded -- and you will want to swipe the excess away with a trowel. -
Page 14: Fireplace Assembly Procedures
Fireplace Assembly Procedures Figure 19 Hearth shown prepared for Left Side position Note - Wipe excess water from surface prior to applying grout. This will help grout to adhere to surface during assembly. Warning: All surfaces where grout is applied must have water sponged on several minutes prior to assembly. - Page 15 8) After fourth row of walls are in place, add 36” rebar to 11) Place Lower Side Domes between Lintel and Lower Rear all cells as shown in Figure 22. The rebar should enter Dome to verify fit. The face with the rating plate faces the the holes in the Hearth and lie adjacent to the 12”...
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Page 16: Gas Piping Installation
Raised and Flush Hearth Application: Gas Piping Installation If you would prefer to have a raised hearth, the Vent-Free The provision for installation of a gas pipe is only for box can be raised to the desired height using wood studs or connection to a Vent free decorative gas log sets meeting concrete blocks. -
Page 17: Firebrick Liner Installation
The following Firebrick Patterns are available from MFI: MFP(XX)SHBL- Herring Bone Figure 30 MFP(XX)FRBL- Running Bond... -
Page 20: 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...
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