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Instructions

Models MGFP39/44/49

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

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.

WARNING:

If the information in these instructions is 

not followed exactly, a fire or explosion 

may result causing property damage, 

personal injury or death.

REV 1/7/21

B-vented Gas Appliances with Masonry Firebox

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.

IMPORTANT:

 READ THESE INSTRUCTIONS

CAREFULLY BEFORE STARTING

INSTALLATION OF THIS APPLIANCE. 

WARNING:

This gas appliance must not be connected to a chimney 

fuel servicing a solid fuel burning appliance.

Do not store gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

Report No.

08-154

ICC Evaluation Services 

Report No. 2401

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.

Installer:

 Leave these instructions with the consumer.

Consumer:

 Retain for future reference.

Equipped with Safety 

Pilot System / Remote 

Control Valve

Summary of Contents for MASON-LITE MGFP39

Page 1: ...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 install...

Page 2: ...mes MFP587C GAS TYPE FOR MANTEL CLEARANCES CONSULT OWNER S MANUAL DO NOT REMOVE THIS LABEL See MFI s installation and operating instructions for this model Contact local building officials about restr...

Page 3: ...anchoring components 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 pe...

Page 4: ...M P N DESCRIPTION QTY 1 MFP39 1 MFP44 1 MFP49 1 HEARTH Left or Right 2 2 MFP39 2 MFP44 2 MFP49 2 REAR WALL 3 3 MFP39 3 MFP44 3 MFP49 3 SIDE WALL 7 3A MFP39 3A MFP44 3A MFP49 3A SIDE WALL with 4 openin...

Page 5: ...ith the minimum firebox dimensions and venting requirements met see table on this page This appliance is designed to burn with yellow flames adequate ventilation is absolutely necessary Table 1 Produc...

Page 6: ...staller is expected to understand each phase completely before going on to subsequent instructions Attention Be advised that all the illustrations in this manual are for general reference only Do not...

Page 7: ...rts and accessories Use of other controls parts and accessories which are not designed for use with MASON LITE gas appliances is prohibited and will void all warranties certifications listings and bui...

Page 8: ...moother and above all safer for everyone concerned At the least reading these procedures will save you time and at the most it will prevent any malfunction that could result in property damage or seri...

Page 9: ...the addition of floor joists to align with the anchor brackets allows the brackets to be directly connected to the floor joists Note that additional floor joists may be required to support the weight...

Page 10: ...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 resulting from L D Note that MASON LITE cannot accept...

Page 11: ...pieces 3 8 rebar x 36 long included with unit Eight 8 ea All thread x 12 long with nuts and washers ALL UNITS Three 3 90 lb bags of ready mix concrete with 1 4 or smaller aggregate SURFACE CRACKS The...

Page 12: ...slab Check for surface flatness level if necessary Figure 11 1 2 away from edges 1 2 mortar bead typical Hearth section shown prepared for Right Side position Apply mortar bead to all mating surfaces...

Page 13: ...The beveled face lines up with the inward angles of the lintel sides Resulting top surfaces should be level Figure 17 Lower Dome Sides Rating Plate faces inside 12 Verify that the smoke dome side fro...

Page 14: ...ection of the shelf As a guide figure that a 10 ten inch wide shelf should be 20 twenty inches above the appliance opening 2 Walls That Adjoin Safety codes and all practical outlooks insist that your...

Page 15: ...ey Requirements for Height and Clearance When installed the maximum overall height of the chimney system from bottom of appliance to the top termination chimney is 40 feet The minimum installed height...

Page 16: ...bilizer When installing the stabilizer pull out the support straps with a good amount of tension and hammer to the frame 4 If your offset sections go over 6 six feet in length you will need to give ad...

Page 17: ...rmitted if they do not exceed a 45 inclination The total lengths of the two offsets are not required to meet the 75 allowable rule Example 3 Shows a single offset at 45 of inclination and therefore th...

Page 18: ...water or in a high humidity area the manufacturer recommends a top quality rust proof paint especially formulated for metal Follow the paint manufacturer s directions applying the paint well before y...

Page 19: ...all elements of the appliance 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 ligh...

Page 20: ...LIGHT THE APPLIANCE WITH THE WALL SWITCH Move the ON REMOTE OFF wall switch to the ON position Figure 41 This transmits a rapid series of sparks at the pilot head and will ignite the gas TO SHUT DOWN...

Page 21: ...rwater Attempted operation may result in fire or explosion resulting in property damage personal injury or loss of life D A appliance screen must be in place when the system is burning Provisions for...

Page 22: ...s may differ depending upon the size of the set purchased Be sure you know the model number and size of your set when ordering replacement or optional parts and accessories Receiver pre assembled into...

Page 23: ...ee Fig 12 3 4 Be sure gas to the appliance is off Remove the adapter connected to the flex connector pre installed on the burner system Attach the adapter to the gas supply stub using a pipe compound...

Page 24: ...ound the switch box Leave the front of the switch box clear for control access 2 Repeat this process for the supplied lava coals on top of the already placed lava granules Note DO NOT place any lava m...

Page 25: ...have developed during shipment Keep some embers for future placement along the front log Ember placement detail Place the front log log 2 as shown Rest the log with its back against the burner assemb...

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Page 31: ...on a periodic examination and cleaning of the solid fuel burning appliance venting system should be conducted by a qualified professional service technician Any safety screen or guard removed for serv...

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Page 35: ...ated 2 Debris around the control Inspect the control and pilot to be sure it is free of any dirt or debris 3 Insects and burner blockage Check the burner ports and the air mixer if present to make sur...

Page 36: ...ld 4 Appliance will not shut OFF a Control Switch lead wires to the valve may be shorted together or on wrong terminals a See wiring diagram previous page System takes 15 20 seconds to complete shutdo...

Page 37: ...ncrete 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 MI...

Page 38: ...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 39: ...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 appliance has been installed or to the persons or property ther...

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