Desa FVF18N, FVF24N installation manual OWNER’S Operation and Installation Manual, Patent Pending

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UNVENTED (VENT-FREE)

NATURAL GAS LOG HEATER

ALSO DESIGN-CERTIFIED AS A VENTED DECORATIVE APPLIANCE

OWNER’S OPERATION AND INSTALLATION MANUAL

Heat Majic™

Models FVF18N,

FVF24N, and

FVF30N

®

Patent Pending

18", 24" and 30" Variable

Manually-Controlled Models

WARNING: If the information in this manual is not followed exactly, a fire or explosion 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 sup- plier, call the fire department.

Installation and service must be performed by a qualified installer, ser- vice agency, or the gas supplier.

WARNING: Improper installation, ad- justment, alteration, service, or mainte- nance can cause injury or property dam- age. Refer to this manual for correct installation and operational procedures. For assistance or additional informa- tion consult a qualified installer, ser- vice agency, or the gas supplier.

WARNING: This appliance is for instal- lation only in a solid-fuel burning ma- sonry or UL127 factory-built fireplace, or in an approved ventless firebox. It is design certified for these installations in accordance with ANS Z21.11.2. Ex- ception: Do not install this appliance in a factory-built fireplace that includes instructions stating it has not been tested or should not be used with unvented gas logs.

WARNING: 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 Air for Combustion and Ventilation section on page 4 of this manual.

This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohib- ited by state or local codes.

* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualPatent Pending Safety Information Safety Pilot Local Codes Unpacking Product FeaturesProduct Identification OperationProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Ventilation AIRBuilding Ventilation Air From OutdoorsInstallation InstallationCheck GAS Type Minimum Wall and Ceiling Clearances see FigureIf Not Using Mantel If Using MantelMinimum Noncombustible Material Clearances Mantel Clearances Determining Minimum Mantel Clearance When Using a HoodFloor Clearances Determining Minimum Mantel ClearanceInstalling Heater Base Assembly Installing Damper Clamp Accessory for Vented OperationChimney Minimum Permanent Height ft Flue Opening sq. ins Attaching Flexible Gas Hose to Heater Gas Regulator Installation Items NeededTest gauge connection Sediment trap Tee joint Pipe wrench Connecting to GAS SupplyPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Test Pressures In Excess Of 1/2 PsigInstalling Heat Majic One- Piece Log Set Installing LogsOperating Heater For Your Safety Read Before LightingLighting Instructions Inspecting Burners Observed Problem Possible Cause Remedy TroubleshootingMaintenance, Gas leak. See Warning statement at TopService Hints Cleaning and MaintenanceTechnical Service Cleaning Burner Injector Holder and Pilot AIR Inlet HoleAccessories Replacement PartsSpecifications Heat Majic FVF18N FVF24N FVF30N Illustrated Parts BreakdownODS Pilot KEY Part Number for FVF18N FVF24N FVF30N Description QTY Parts ListWarranty Information