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Low profile or pan
burners are not
allowed for use in
these units without a
metal base
B-vented Gas Appliances with Masonry Firebox
Equipped with Safety Pilot System / Remote Control Valve
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.
Installer: Leave these instructions with the consumer.
Consumer: Retain for future reference.
REV 1/7/21
Models MGFP39/44/49
The logs and burner must be permanently installed in and
are only for use in this appliance. This appliance must be
connected to a working flue meeting the requirements of
the ANSI Z21.50 standard.
Solid-fuels shall not be burned in this appliance.
This appliance must be vented vertically through the
roof. This appliance is not for installation in manufactured
or mobile homes. The installation, including provisions
for combustion, ventilation air, and required minimum
permanent vent opening, must conform with the National
Fuel Gas Code (ANSI Z223.1/NFPA 54) and applicable
local building codes. This gas appliance is designed to
burn with yellow flames; thus adequate ventilation is
absolutely necessary.
This gas appliance must not be connected to a chimney
fuel servicing a solid fuel burning appliance.
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.
IMPORTANT:
READ THESE INSTRUCTIONS
CAREFULLY BEFORE STARTING
INSTALLATION OF THIS APPLIANCE.
WARNING:
Instructions
Equipped with Safety
Pilot System / Remote
Control Valve
Report No.
08-154
ICC Evaluation Services
Report No. 2401
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Table of Contents
Related Manuals for mFi MASON-LITE MGFP39
Summary of Contents for mFi MASON-LITE MGFP39
- Page 1 Instructions Equipped with Safety Pilot System / Remote Low profile or pan Control Valve burners are not allowed for use in these units without a metal base B-vented Gas Appliances with Masonry Firebox Models MGFP39/44/49 Equipped with Safety Pilot System / Remote Control Valve WARNING: IMPORTANT: ...
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Page 2: Table Of Contents
Serial Number should be stamped on the plate where indicated. 6.25” DO NOT REMOVE THIS LABEL Tested & Report No. Masonry See MFI’s installation and operating instructions for Listed By ® 08-154 Fireplace this model. Contact local building officials about Industries, LLC restrictions and installation specifications in your area. -
Page 3: Appliance Parts List
Appliance Parts List Appliance Parts List Figure 1 WARNING Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result in property damage or personal injury. See Page 8 and 9 for framing anchoring components. - Page 4 MGFP39/44/49 Appliance Parts List MGFP39/44/49 Appliance Parts List ITEM DESCRIPTION MFP39-1 MFP44-1 HEARTH (Left or Right) Optional Outside Ø4” MFP49-1 Combustion Air Kit MFP39-2 Model No.: MFP4-AK MFP44-2 REAR WALL MFP49-2 MFP39-3 MFP44-3 SIDE WALL MFP49-3 MFP39-3A (Ø4” Ducting not included) MFP44-3A SIDE WALL with 4”...
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Page 5: Burner And Logs Parts List
Triple Burner Gas Log Sets Triple Burner Gas Log Sets MODELS: MLGB24 24” Natural Gas Burner for the MGFP39 MLGB24P 24” Propane Gas Burner for the MGFP39 MLGL24 24” Log Set for the MGFP39 MLGB30 30” Natural Gas Burner for the MGFP44 MLGB30P 30”... -
Page 6: Product Overview
48” (48 inches) away from the opening of the appliance! We extend a warm welcome from all of us at Masonry Fireplace Industries, Inc. (MFI), proud manufacturers of Attention: You may need a residential building permit to install Mason-Lite Appliances. Thank you for Choosing MFI. - Page 7 GUIDELINES FOR USE: Required Gas Pressure All current and future users of Mason-Lite Appliances The minimum inlet gas supply pressure for the purpose of are charged with the responsibility for full knowledge of the input adjustment is 5” of water column (w.c.) for natural gas. information contained within this manual which includes: •...
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Page 8: Clearance To Combustibles
Clearance to Combustibles Clearance to Combustibles Mason-Lite Appliance & Chimney Systems Mason-Lite Appliance & Chimney Systems The distance to be maintained from the surfaces of the appliance to combustibles must be observed. Below is a list of Before Getting Started… the most common combustible materials to name a few: Even if you consider yourself an expert in the field of Drywall... -
Page 9: Supporting Floor Systems
Supporting Floor Systems Figure 4 It is the ultimate responsibility of the installer to ensure that Metal Base proper concrete slab supports are used. Assembly A35 Brackets WARNING to the licensed design professional and/or building (16 required) contractor: It is your responsibility to be certain that the Mason- Lite can be properly supported by the combustible floor system on which the appliance will rest. - Page 10 MASON-LITE Weight Determination The following are dead load weight estimates for the Mason-Lite Appliance. Table I MGFP39 MGFP44 MGFP49 Appliance Model 1,194 lbs. 1,250 lbs. 1,359 lbs. Appliance Weight Mortar, Rebar & 350 lbs. 357 lbs. 364 lbs. Ready Mix Concrete 333 lbs.
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Page 11: What You Will Need
You may purchase it from any chimney manufacturer thin and the surfaces don’t stay moist, the components will or MFI. Also, an optional combustion air inlet MFP4-AK can be not adhere. Load the mixture into a standard grout bag. -
Page 12: Appliance Assembly Procedures
Appliance Assembly Procedures Appliance Assembly Procedures Figure 12 Hearth shown prepared for Left Side position 1. Place the Mason-Lite appliance hearth on the floor where the appliance is to be installed. For concrete slabs, supporting floor needs to be rated at ASTM 90. 2. - Page 13 8. Install Downdraft Diverter and final row of Side Walls 11. Assemble Lower Dome Sides as shown in Figure 17. The beveled face lines up with the inward angles of the lintel (Figure 15). Then place #3 rebar (8 each, 36 inch long) sides.
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Page 14: Mason-Lite Firebrick Liner
Figure 22 The firebrick lining is not supplied as part of your Mason-Lite Shelf or trim 8” appliance but can be purchased from MFI. They are available safe zone in split herringbone and full running bond patterns. (see Figures 1”... -
Page 15: Mason-Lite Chimney Systems
flexible metal conduit as the source for outside combustible General Chimney Requirements for Height and Clearance air. It can go straight out through an outside wall or into a When installed, the maximum overall height of the chimney ventilated crawl space. If crawl space is used, check codes system from bottom of appliance to the top/termination chimney for proper termination. -
Page 16: Installing Vent Plate And Chimney Systems
The Special Case of Offset Installation Installing Vent Plate and Chimney System Overview Before installing your B-Vent to the Mason-Lite Firebox you Special, detailed installation instructions must be given for the must install a steel vent plate. The vent plate mudt be installed proper handling of offsetting for the chimney system. -
Page 17: Venting Installation
Venting Installation Venting Installation A “B-type” venting system must be connected to the Example 3: Shows a single offset at 45° of inclination and appliance for venting to outside of building. The following therefore the lateral length at 10 ft. of offset does not have to section is provided as a guide to a standard B-type vent meet the 75% rule. -
Page 18: Specifying Chimney Heights
The gas appliance must be installed by an MFI Certified or other qualified professional installer. The installation, including provisions for combustion and ventilation air, must conform with local codes, or, in the absence of local codes, with the latest edition of the National Fuel Gas Code, ANSI Z223.1, and... -
Page 19: Install Spill Switch And Baffle Assembly
Installing Spill Switch and Baffle assembly Owner’s Operation & Precautions 1. Connect the blade connectors on the spill switch wires to Installers of the Mason-Lite are urged to call the attention of the matching wires from the valve/ control box assembly appliance owners to the following precautions. -
Page 20: Checking And Adjusting The Pilot
Placing the Logs TO LIGHT THE APPLIANCE WITH THE WALL SWITCH 1. Place the back bottom log on the grate behind the top burner Move the ON-REMOTE-OFF wall switch to the ON position and as far forward (against the top burner) as possible without touching the pilot. -
Page 21: Log Placement
Appliance OPERATING SAFETY INFORMATION Appliance OPERATING SAFETY INFORMATION A. Adults shall be present when this gas appliance is operating. This unit shall not be left burning when unattended or while anyone is sleeping. B. Keep the area of the gas burner system clear and free from combustible materials, gasoline, and other flammable vapors and liquids. -
Page 22: Lighting And Operating Instructions
Be sure you know the model number and size of your set when ordering replacement or optional parts and accessories. Remote transmitter and switch box batteries included with burner system. Receiver pre-assembled into control box. Contact MFI for replacement parts and accessories as listed in these parts lists. -
Page 23: Maintenance And Service
Burner Installation Burner Installation The burner system must be installed by a qualified professional service technician. Instructions must be followed carefully to ensure proper performance and full benefit from the burner system. Check to be sure the burner system is designed and labeled for the type of gas (natural or propane gas) supplied to the appliance. - Page 24 Fig. 13-1. CAUTION: THE DECORATIVE HEAT SHIELD WILL BE HOT DURING AND AFTER OPERATION. LIGHTING TEST Prior to proceeding with installation, perform a lighting test (see lighting instructions for lighting your burner). Allow the unit to completely cool after testing. LAVA GRANULES/COALS (DECORATIVE) 1.
- Page 25 LOG SET, GLOWING EMBERS, AND BRYTE COALS PLACEMENT Read all safety warnings and important information in this manual and the instructions supplied with the log set to ensure proper placement. DO NOT add any additional embers to this setup. Any additional embers will cause unsafe operation. Your log set design may slightly vary from the images shown here, but initial placement is the same.
- Page 31 CLEANING AND SERVICING CLEANING AND SERVICING Note: Servicing may be necessary to ensure proper pilot operation and proper burn characteristics. Always shut off the gas to the appliance while performing service work. Allow the appliance to cool before servicing. Installation, service, and repair must be done by an NFI Certified or other qualified professional service technician.
- Page 35 Log Placement Log Placement Figure 36 GML-24 shown Figure 35 Place back bottom log Start with the grate/burner assembly in place Figure 38 Figure 37 Place back top logs (#8 and #9) Place front bottom log Figure 39 Figure 40 Place front top log (#7) All logs in place Maintenance...
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Page 36: Troubleshooting
Maintenance and Service Maintenance and Service It is recommended that a qualified professional service technician be called to service the gas appliance and its venting system at least annually or should service be required. More frequent cleaning may be required due to excessive lint from carpeting, bedding material, etc. -
Page 39: Warranty
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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