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Table of Contents
Fireplace Parts List
Fireplace Overall Dimensions
Fireplace Framing Dimensions
Burner and Logs Parts List
Important Pre-installation Information
Installing the Gas Fireplace
Clearance to Combustibles
Supporting Floor Systems
MASON-LITE Weight Determination
Mason-Lite
™ Component for combustible floors
Field Assembly Procedures
Fireplace Assembly Procedures
Vent Plate
Firestop Radiation Shield
Mason-Lite
™ Firebrick Liners
Fireplace Finishes & Combustible Trim Clearances
Mantle and Mantle Shelf Clearances
Installing Outside Combustion (make-up) Air
Adding a Gas Pipe
Adding Electrical Connection
MASON-LITE Chimney Systems:
Installing Chimney System
Fireplace Door Accessory
Customer Service & Parts Replacement
Appendix I
Installing the Spill Switch and Baffle Assembly
Installing Spill Switch and Baffle assembly
Owner
’s Operation & Precautions
Installing the Gas Burner
Attaching the Burner and the Grate
Checking and Adjusting the Pilot (if neccessary)
Heat shield placement
Adjusting Air Mixers
Placing the Decorative Lava Rock
Placing the Logs
Log Placement
Lighting and Operating Instructions
Lighting the Pilot
Lighting and Extinguishing the Burner System
Maintaining the Pilot
Cleaning and Checking
Safety Pilot System
Maintenance and Service
Troubleshooting
Maintenance
Service
Flame Appearance
Troubleshooting
DO NOT REMOVE THIS LABEL
See MFI
’s installation and operating instructions for this model.
Contact local building officials about restrictions and installa-
ireplace
tion specifications in your area.
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Tested &
Listed By
MFI
315 WEST 3RD ST.
SANTA ANA, CA 92701
Industries, LLC
DATE OF MFG.
SERIAL No.
Report No.
(TBD)
MODEL
No.:
MGFPST-43
GAS
TYPE:
NG
LP
!
WARNING:
THIS FIREPLACE HAS
BEEN TESTED FOR
USE ONLY WITH
APPROVED GLASS
DOORS. TO REDUCE
THE RISK OF FIRE OR
INJURY,
CONSULT
OWNER’S MANUAL.
!
THIS FIREPLACE IS
DESIGNED
FOR
USE
ONLY WITH THE ANSI
Z21.50 DECORATIVE GAS
LOGS AND BURNER
TESTED AND APPROVED
FOR THIS FIREPLACE.
Consult instructions
included with this firebox
for further information.
!
WARNING:
FIREPLACE CLEARANCES TO COMBUSTIBLES:
Use only approved, listed
UNIT FRONT, SIDES, REAR ..........................................
0
”
(0 mm)
12” B-Type vent chimney, a
DM-12-12” system, a UL 103 COMBUSTIBLE FLOOR...................................................
0
”
(0 mm)
chimney or a 12” class A COMBUSTIBLE SHEATHING ABOVE OPENING TOP .........
8
”
(200 mm)
SHEATHING OR TRIM TO OPENING SIDES ................ 12“
(300 mm)
chimney if preferred.
Refer to pipe mfg. installation OPENING TO SIDE WALL .............................................. 20
”
(500 mm)
instructions.
HEARTH EXTENSION BEYOND SIDES ....................... 12“
(300 mm)
Chimney Height:
INSULATION FROM FIREBOX.....................................
0
”
(0 mm)
Max.: 40 ft.
Min.: 14 ft. (17 ft. with 1 or 2
offset sections maximum)
FOR MANTEL CLEARANCES CONSULT OWNER’S MANUAL
THIS APPLIANCE NEEDS FRESH AIR FOR SAFE OPERATION AND MUST BE INSTALLED
SO THERE ARE PROVISIONS FOR ADEQUATE COMBUSTION AND VENTILATION AIR.
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.
!
WARNING:
This gas appliance must not be connected to a chimney fuel servicing a solid fuel burning appliance.
!
WARNING:
THIS FIREPLACE IS NOT INTENDED FOR BURNING SOLID FUELS.
REV 1 - 0907231405
2
L-A2-27509
