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UNVENTED (GAS LOG) ROOM HEATER
INSTALLATION AND OPERATING INSTRUCTIONS
MGVF-MV-20LP & MGVF-MV-20NAT Burner Units
WARNING:
maintenance can cause property damage, personal injury or loss of life.
Refer to this manual for information.
This is an unvented gas-fired heater. It uses air (oxygen) from the
room in which it is installed. Provisions for adequate combustion and
ventilation air must be provided. Refer to page 4 of these instructions.
This appliance is for supplemental heating only. It should not be
WARNING:
may result causing property damage, personal injury or loss of life.
- 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. 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.
IMPORTANT:
IM-105 3/01
MirageGlo™ Gas Log Set
with MGL-20 Log Set
Improper installation, adjustment, alteration, service or
used as the primary heat source for a dwelling.
If the information in this manual is not followed exactly, a fire or explosion
READ INSTRUCTIONS CAREFULLY BEFORE BEGINNING
INSTALLATION OF THIS ROOM HEATER.
ATTENTION INSTALLER:
REVIEW AND LEAVE THESE INSTRUCTIONS WITH
THE CUSTOMER FOR FUTURE REFERENCE.
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Summary of Contents for Heatmaster MirageGlo MGVF-MV-20LP
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Page 1: Installation And Operating Instructions
UNVENTED (GAS LOG) ROOM HEATER INSTALLATION AND OPERATING INSTRUCTIONS MirageGlo™ Gas Log Set MGVF-MV-20LP & MGVF-MV-20NAT Burner Units with MGL-20 Log Set WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. - Page 2 DO NOT TAMPER WITH PILOT LIGHT SAFETY SYSTEM This heater is equipped with a PILOT LIGHT SAFETY SYSTEM designed to turn off the heater if not enough fresh air is available. If the heater shuts off, do not relight until you have provided fresh air. If heater keeps shutting off, have it serviced by a qualified installer, service agency or the gas supplier.
- Page 3 If a hood is required to be installed on your fireplace due to mantle clearances, contact your dealer or ♦ HEATMASTER, INC. for availability of the hood. Do not use this room heater if any part has been under water. Immediately call a qualified service ♦...
- Page 4 COMBUSTION AND VENTILATION PROVISIONS WARNING: This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air. Confined Space and Unconfined Space The National Fuel Gas Code, ANSI Z223.1 defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 Btu per hour (4.8 m³...
- Page 5 INSTALLATION CLEARANCES AND INFORMATION To ensure a safe installation in a masonry or approved factory built fireplace, the following instructions must be carefully followed. A) Minimum clearance from the side of the fireplace opening to any combustible wall should not be less than 15 inches. B) Minimum clearance from the top of the fireplace opening to any combustible ceiling should not be less than 42 inches.
- Page 6 INSTALLATION INFORMATION AND INSTRUCTIONS WHEN INSTALLING AS A VENT FREE APPLIANCE The installation of this room heater must conform with local codes or, in the absence of local codes with the National Fuel Gas Code, ANSI Z223.1. Before the unit is connected to any gas line, check the name plate on the unit for the proper gas NOTE: type you will be using.
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Page 7: Installation Instructions
See Table 1 below when installing as a vented decorative appliance for the minimum size fireplace that can be ♦ used. TABLE 1 for MINIMUM SIZE FIREPLACE DIMENSIONS MGVF-MV-20LP MGVF-MV-20NAT Height of Front 16” Opening Width of Front 24”... -
Page 8: Factory Built Fireplaces
TABLE 2 FACTORY BUILT FIREPLACES Free opening area of chimney damper for venting combustion products from decorative appliances for installation in solid fuel burning fireplaces. MINIMUM PERMANENT FREE OPENING IN SQUARE INCHES Chimney 20” Log Set 20” Log Set Height LP Gas Natural Gas 11.3... - Page 9 APPLIANCE ASSEMBLY INSTRUCTIONS 1. Carefully remove all log parts from the box and place them onto the floor off to one side of the fireplace. DO NOT DROP ANY LOG PART AS BREAKAGE MAY EASILY OCCUR. 2. Remove the burner assembly from the box and place it onto floor of the fireplace with the grate facing the front of the fireplace.
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Page 10: For Your Safety Read Before Lighting
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. A. This appliance has a pilot that must be lighted by hand. When lighting the pilot, follow these instructions exactly. This appliance is equipped with a push button piezo ignition device that can be used to light the pilot. - Page 11 MAIN BURNER FLAME MAIN BURNER FLAME (PROPANE) (NATURAL) PILOT GAS FLAME PILOT GAS FLAME (PROPANE) (NATURAL)
- Page 12 OPERATING INSTRUCTIONS FOR THE APPLIANCE AS IT COMES FROM THE FACTORY MGVF-MV-20LP and MGVF-MV-20NAT 1. Follow the safety information on page 10 of this instruction manual. 2. Follow the lighting instructions on page 10 of this instruction manual. 3. Once the pilot is lit, rotate the gas control knob counter clockwise to the “ON”...
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Page 13: Cleaning And Maintenance Instructions
CLEANING AND MAINTENANCE INSTRUCTIONS ALWAYS REMEMBER: 1. Do not place any combustible material near the appliance. 2. Do not place any paper, trash or other material on the log set or in the heater. 3. Do not touch any part of the appliance when the unit is in operation. 4. - Page 14 MGL-20D Left MGL-20E Left, Middle MGL-20F Right, Middle MGL-20G Right When ordering, Please include complete part number, part name and description. Parts may be ordered directly from: HEATMASTER, INC. 3625 Benson Road, P.O. Box 1717, Angier, NC 27501 (919) 639-4568...
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Page 15: Parts Diagram
PARTS DIAGRAM TO PILOT NATURAL GAS PILOT REGULATOR TO VALVE... - Page 16 Bracket, Millivolt Valve OR-MGDS#34S Orifice, #34, NAT, Vent-Free OR-MGDS#53L Orifice, #53, LP, Vent-Free Parts may be ordered directly from: HEATMASTER, INC. 3625 Benson Road, P.O. Box 1717, Angier, NC 27501 (919) 639-4568 When ordering, please include complete part number, and part description.
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