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mFi Mason-Lite MGFPST-43PA Instructions Manual

See-thru complete gas fireplace
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Models:
MGFPST-43(P)A
w/ Remote Valve
installation
Mason-Lite See-Thru Complete Gas Fireplace
ê
! 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.
Report No.
08-154
REV 27 NOV 2018
IMPORTANT:
CAREFULLY BEFORE STARTING
INSTALLATION OF THIS FIREPLACE.
The logs and burner must be permanently installed in and
are only for use in this fireplace. This fireplace must be
connected to a working flue meeting the requirements of
the ANSI Z21.50 standard.
Solid-fuels shall not be burned in this fireplace.
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 fireplace is designed to
burn with yellow flames; thus adequate ventilation is
absolutely necessary.
ê
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 ap-
pliance is not convertible for use with other
gasses, unless a certified kit is used.
Instructions
Equipped with Safety
Pilot System / Remote
Control Valve
Low profile or pan
burners are not
allowed for use in
these units without a
metal base
READ THESE INSTRUCTIONS
! WARNING:

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Summary of Contents for mFi Mason-Lite MGFPST-43PA

  • Page 1 Instructions Models: Equipped with Safety MGFPST-43(P)A Pilot System / Remote w/ Remote Valve Control Valve installation Low profile or pan burners are not allowed for use in these units without a metal base Mason-Lite See-Thru Complete Gas Fireplace ê ! WARNING: IMPORTANT: READ THESE INSTRUCTIONS If the information in these instructions is...
  • Page 2 This page has been left intentionally blank.

  • Page 3: Table Of Contents

    .12” 6.25” code should be stamped on the plate where required. DO NOT REMOVE THIS LABEL Masonry See MFI’s installation and operating instructions for this Tested & Listed By Fireplace Industries, LLC model. Contact local building officials about restrictions 6391 Jurupa Ave.

  • Page 4: Fireplace Parts List

    MGFPST-43(P)A Fireplace Parts List WARNING ITEM DESCRIPTION Failure to position the parts in accordance with these diagrams or failure to use only parts HEARTH (Left or Right) specifically approved with this appliance may result SIDE WALL w/ Ø4” O/S AIR ACCESS HOLE in property damage or personal injury.
  • Page 5 Be sure you know the model number and size of your set when ordering replacement or optional parts and accessories. Burner Assembly Figure 2 Contact MFI for replacement parts and GML-2-39/44(P)A accessories as listed in these parts lists. Diagrams shown are not to scale.

  • Page 6: Fireplace Overall Dimensions

    MGFPST-43(P)A Fireplace Overall Dimensions Overall Dimensions Figure 3 T-BAR LINTEL SPILLSWITCH SPILL SWITCH CHANNEL 28" 2 3/8" DETAIL B 14" CONNECT TO A Ø12" B-VENT OR UL 103-12" ID, CLASS A CHIMNEY *62 1/8" 29 5/8" 38 1/4" INLET 10 1/4" 4 1/4"...

  • Page 7: Important Pre-Installation Information

    Important Pre-Installation Information Before you begin, review the information and safeguards for introduction of combustion air. When glass fireplace doors below regarding the installation and operation of the gas are used, operate the gas fireplace with the doors open. fireplace. Important: To comply with building code acceptances, and for safe operation and proper performance of this fireplace, use...

  • Page 8: Installing The Gas Fireplace

    • Cautionary guidelines for use. We extend a warm welcome from all of us at Masonry • On-going maintenance instructions. Fireplace Industries, LLC. (MFI), proud manufacturers of Mason-Lite Fireplaces. Thank you for choosing MFI. It is the responsibility of the distributor, subcontractor and/ You may have thought long and hard before you chose the or the general contractor –...

  • Page 9: Clearance To Combustibles

    Installing the Gas Fireplace COMBUSTIBLE MATERIAL If asked, advise the local authorities that the Mason-Lite Figure 6 MANTEL SHELF Fireplace is designed for installation per the National Fire Pro- UNDERSIDE OF tection Association Standard for Chimneys, Fireplaces, Vents MANTEL SHELF and Solid Fuel-Burning Appliances (NFPA211).

  • Page 10: Supporting Floor Systems

    Installing the Gas Fireplace Chimney System Heights Wood Floor Anchorage of fireplace to wood floor construction is required. When installed, the maximum overall height of the chimney Refer to Figure 11 for anchorage locations. Four anchors are system from bottom of fireplace to the top/termination chimney required to attach to the sub-flooring framing.

  • Page 11: Mason-Lite Weight Determination

    Installing the Gas Fireplace Crawl Space or Upper Floor: As stated above, it is desirable to place additional framing For installation of firebox over combustible crawl spaces or for alignment of anchor rods. Refer to Figure 11 for anchor rod upper floors, anchorage of the firebox is required.

  • Page 12: Field Assembly Procedures

    You may purchase it from any chimney manufacturer or the mixture directly to the components where they come MFI. Also, an optional combustion air inlet MFP4-AK can be together. As a rule, you can fi gure that you should lay down obtained from MFI.

  • Page 13: Fireplace Assembly Procedures

    Installing the Gas Fireplace Fireplace Assembly Procedures Figure 13 1) Plan ahead by placing the hearth components (without LH Hearth 2nd mortar) in the place of the intended installation. Make sure RH Hearth 1st the width is 53” and deptch is 28’”. Mark the centers for the rebar drill locations.
  • Page 14 Figure 15 Figure 17 Keep damp at all Top surfaces times while applying to be level. mortar. IMPORTANT! Keep in mind that, when applying the 9) Now position the front/rear upper smoke dome parts on mortar, you must frequently run a damp sponge to the top of lower dome.

  • Page 15: Vent Plate

    Firestop Radiation Shield 11) Check your assembly here. If things are proceeding as they should be, the finished top surface should be flat A Firestop Radiation Shield is required in multi-story and level. installations at each floor penetration above that where the Installing Vent Plate Support Box is located.

  • Page 16: Mason-Lite Firebrick Liners

    It is not unusual in the course of the life of the firebrick, or the firebrick mortar, for heat stress cracks to appear. MFI cannot be responsible for this and other wear and tear to the firebrick and mortar.

  • Page 17: Fireplace Finishes & Combustible Trim Clearances

    Do not use the fireplace until you have figured out how to address the problem. You are facing a potential fire hazard. MFI cannot be responsible for the make-up of material on the exterior of the...

  • Page 18: Mason-Lite Chimney Systems

    MASON-LITE Chimney Systems: 10’ (ten feet) measuring between elbows, you must insert – at midpoint – a chimney stabilizer. When installing the stabilizer, pull out the support straps with a good amount of tension and This MGFPST43(P)A Mason-Lite Fireplace requires the hammer to the frame.
  • Page 19 apply to vents at 12” diameter or less and require a minimum Specifying Chimney Heights height in accordance with the roof pitch and a minimum of 8 ft. If the horizontal distance from the mid-point of the distance from a vertical wall or obstruction (see Fig. 29). chimney to the peak of the roof ridge is less than 10 feet, the top of the chimney must be at least 2 feet above the roof ridge.

  • Page 20: Installing Spill Switch And Baffle Assembly

    Installing the valve/control box assembly Checking and Adjusting the Pilot 1. Follow the lighting instructions to light the pilot. The pilot 1. Fasten the valve/control box assembly to a stud such that flame should encircle the generator tip which is preset at the control switch is facing in the desired direction and the factory (Figure 33).
  • Page 21 Lighting and Operating Instructions FOR YOUR SAFETY, READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. Do not use this gas fireplace if any part has been underwater. Immediately call for a qualified professional service technician to inspect the fireplace and to replace any part of the control system and any gas control which has been under water.

  • Page 22: Owner's Operation & Precautions

    Finishing Your Installation Warning: Use only the included fireplace grate or manufacturer approved replacement. To complete your fireplace installation, a fireplace grate will be required for safe operation. The fireplace grate must be Warning: Do not attempt to operate your fireplace without a sized to 50% of the hearth maximum.
  • Page 23 using high quality materials. During the drying process, surface cracking may occur. These small cracks (under 1/16” will not effect the fireplace safety or performance). During the assembly process, fill surface cracks with thin-set mortar and brush when drying for a smooth surface finish. Removal of Creosote and Soot Formation –...

  • Page 24: Maintenance And Service

    Maintenance and Service Service Maintenance It is recommended that a qualified professional service Once installed and operating properly, the Mason-lite gas technician be called to service the gas fireplace and its venting fireplace requires very little maintenance. system at least annually or should service be required. More You should inspect the fireplace, chimney, burner and control frequent cleaning may be required due to excessive lint from annually for the following:...
  • Page 27 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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Mason-lite mgfpst-43a

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