Desa VF-18P-MHd, VF-18N-MHd installation manual What to do if YOU Smell GAS

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UNVENTED (VENT-FREE) GAS LOG HEATER

OWNER’S OPERATION AND INSTALLATION MANUAL

Models VF-18N-MHD, VF-18P-MHD, VF-24N-MHD

and VF-24P-MHD

WARNING: If the information in this manual is not fol- lowed 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.

•Immediatelycallyourgassupplierfromaneighbor’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 quali- fied installer, service agency or the gas supplier.

INSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference.

For more information, visit www.desatech.com

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Contents Models VF-18N-MHD, VF-18P-MHD, VF-24N-MHD VF-24P-MHD What to do if YOU Smell GASTable of Contents Safety Information Product Identification Product IdentificationLocal Codes Product FeaturesUnpacking Air For Combustion VentilationConfined and Unconfined Space Determining fresh-air flow for heater locationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Check GAS Type InstallationInstallation and clearances for vent-free operation Installation Determining Minimum Mantel Clearance When using a Hood Installing Heater AssemblyMantel Clearances Floor ClearancesInstallation Items Needed Connecting to gas supplyNatural Gas Checking gas connectionsPropane/LP Gas Adding Embers, Lava rock and Decorative logs Pressure Testing Heater Gas ConnectionsTest Pressures Equal To or Less Than Psig 3.5 kPa Operating Heater For your safety Read before lightingFunctions Remote ControlManual Lighting ProcedureTo turn gas off To appliance Inspecting BurnersPilot Flame Pattern Lighting with Piezo IgnitorBurner Flame Pattern Cleaning MaintenanceBurner Injector Holder Air Inlet Hole Injector Holder on Front Burner Tube Observed Problem Possible Cause Remedy TroubleshootingSee Cleaning and Mainte Gas leak. See Warning Bad module Replace moduleIdentifying error signals from receiver Wiring DiagramService Hints Replacement PartsTechnical Service AccessoriesModels VF-18N-MHD, VF-18P-MHD, VF-24N-MHD and VF-24P-MHD Illustrated Parts BreakdownParts List Keep this Warranty Warranty InformationLimited Warranty VENT-FREE GAS LOG Heaters