Monessen Hearth operating instructions Models MJ27NR, MJ27PR

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Unvented Gas Log Heater or Vented Decorative Appliance

Installation and Operating Instructions

This appliance may be installed in an aftermarket, permanently located, manufactured (mobile) home, where not prohibited by local codes.

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.

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 7.

MODELS: MJ27NR, MJ27PR

Natural Gas or Liquid Propane

Control Type: Millivolt Hi/Low

WARNINGS

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 supplier, call the fire department.

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

READ AND SAVE THESE INSTRUCTIONS

86D0024 10/08 Rev. 1

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Contents Natural Gas or Liquid Propane Control Type Millivolt Hi/Low Models MJ27NR, MJ27PRContents Installer Important Safety InformationOwner Gas Code, Ansi Z223.l/NFPA54Utility gas wells. This gas is commonly Never connect unit to private nonKnown as wellhead gas Getting Started What you will need for installationMake sure you have received all parts Product Features and Specifications Codes General Installation InformationAmerican National Standards Institute, Inc National Fire Protection Association, IncBTU / hr = Minimum Hearth Dimension Fireplace and Hearth DimensionsHeight of Restriction Minimum Depth of Fireplace/Firebox Placement in a fireplace with a restrictive barrierSidewall and Ceiling Clearances Clearances and Height RequirementsHeat Resistant Requirements for Safe InstallationMeasurement MJ27 Mantel, Shelf or Other Combustible Projection Heat Resistant Requirements for Safe Installation with Wood12 min Is an example of an unsafe mantel instal Minimum Clearance above Combustible Flooring Floor ClearancePaint by a qualified chimney cleaner Before installing in a solid fuel burningInstalling Vented Applications Fireplace PreparationAssembly procedure Installing Vented ApplicationsPlacing and Securing Appliance Gas Connection Connecting the GASMillivolt Valve Control Figure Checking GAS PressureAte Electrical Wiring MillivoltDo not allow wires Connecting Remote ReceiverBurner To touch grate orLOG Placement Install Log #8 Install Log #4 Place Flickering Bright Embers Place Flickering EmbersANDIRON Installation Andiron and rock installationAssembly Instructions Placing the decorative rockChecking the pilot flame Flame AppearanceOperating Instructions Checking the Burner FlameWhat to do if YOU Smell GAS Operating InstructionsTo Turn OFF GAS to Heater Cleaning and Servicing Operating Instructions / Cleaning and ServicingServicing. Only a qualified service person TroubleshootingShould service and repair the heater Turn appliance OFF and allow to cool beforeGoes out when control Description Qty Replacement partsLogs Replacement Parts listDescription Qty MJ27 Please Read and Follow These 86D0024 Five Year Warranty Lifetime WarrantyBasic Warranty If Warranty Service is NeededMhsc