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19

Placing the Logs

1.  Place the back bottom log on the grate behind the top burner 

and as far forward (against the top burner) as possible 

without touching the pilot. The flat side should be down and 

the heat chambers facing the back of the appliance (

Figure 

35

).

2.  Place the front log on the grate in front of the top burner 

pipe with the flat down and the heat chambers toward the 

burner pipe and the log as far forward as possible while 

keeping the back parallel with the burner pipe (

Figure 36

).

3.  Place top logs across the front and back logs in the order 

and positions shown in 

Figure 40

.

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.

FOR YOUR SAFETY, READ BEFORE LIGHTING

Do not use this gas appliance if any part has been underwater. 

Immediately call for a qualified professional service technician 

to inspect the appliance and to replace any part of the control 

system and any gas control which has been under water.
The Mason-lite burner system has a pilot which can be lit by 

hand using a match or lighter. When lighting the pilot, follow 

these instructions exactly.

BEFORE LIGHTING

, smell all around the burner area for gas. 

Be sure to smell next to the floor as some gas is heavier than 

air and will settle on the floor. IF YOU SMELL GAS, FOLLOW 

THE INSTRUCTIONS ON THE COVER (P. 1).

TO 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 THE GAS APPLIANCE USING THE WALL 

SWITCH

Move the switch to the OFF position (

Figure 41

). The gas flow 

will cease, and all flames (main burner and pilot) will go out (see 

important note below).

OPERATING THE BURNER USING THE REMOTE

Move the wall switch to the REMOTE position and follow the 

instructions included in the remote kit for lighting and shutting 

down the attached burner.

IMPORTANT

: Do not allow the appliance opening to be 

blocked in any way while operating the appliance. The 

appliance may be operated with a Mason-Lite screen installed 

and 

drawn. 

      

OO

UU

TT

IINN

PP IILLO

OTT

IINN

Figure 41

Upstream gas 

pressure tap

MAINTAINING THE PILOT

Your gas appliance is equipped with a safety pilot that will shut 

off the gas supply in case the pilot is not burning or functioning 

properly. Regularly verify that the pilot is adjusted properly with 

the pilot flame hitting the electrodes as shown in 

Figure 42.

 If 

the pilot will not stay lit, call your local gas utility or gas supplier.

TO CHECK UPSTREAM GAS PRESSURE

Unscrew the four (4) screws above and below the control panel 

face, then pull the control panel out far enough to expose the 

test ports on the valve (

Figure 41

). Unscrew the port marked IN 

part way and test.

CAUTION

:  Do  not  kink  the  flex  connectors  coming  from  the 

valve while accessing it. 

Note

: Pilot flame should encircle top of electrodes. 

See instructions cover for example of proper main burner flame 

pattern. 

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...

Page 26: ...25...

Page 27: ...26...

Page 28: ...27...

Page 29: ...28...

Page 30: ...29...

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...

Page 32: ...31...

Page 33: ...32...

Page 34: ...33...

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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