Desa VF-18N-MHd, VF-18P-MHd installation manual Safety Information

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Safety Information

WARNING: This product con- tainsand/orgenerateschemicals known to the State of California to cause cancer or birth defects or other reproductive harm.

IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock and carbon monoxide poisoning.

DANGER: Carbon monoxide poisoning may lead to death!

Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the flu, with head- aches, dizziness or nausea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced. Some people are more affected by carbon monoxide than others. These include pregnant women, people with heart or lung disease or anemia, those under the influence of alcohol and those at high altitudes.

Natural and Propane/LP Gas: Natural and pro- pane/LP gases are odorless. An odor-making agent is added to these gases. The odor helps you detect a gas leak. However, the odor added to the gas can fade. Gas may be present even though no odor exists.

Make certain you read and understand all warn- ings. Keep this manual for reference. It is your guide to safe and proper operation of this heater.

WARNING: Any change to this heater or its controls can be dangerous.

WARNING: Do not use a blower insert, heat exchanger insert or other accessory not ap- proved for use with this heater.

WARNING: Do not allow fans to blow directly into the heater. Avoid any drafts that alter burner flame patterns. Ceiling fans can create drafts that alter burner flame patterns. Altered burner patterns can cause sooting.

WARNING: Do not place log scraps or lava rocks on burner.

Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies.

Do not place clothing or other flammable material on or near the appliance. Never place any objects on the heater.

Heater base assembly becomes very hot when running heater. Keep children and adults away from hot surface to avoid burns or clothing ignition. Heater will remain hot for a time after shutdown. Allow surface to cool before touching.

Carefully supervise young chil- dren when they are in the room with heater.

You must operate this heater with a fireplace screen in place. Make sure fireplace screen is closed before running heater.

Keep the appliance area clear and free from combustible ma- terials, gasoline and other flam- mable vapors and liquids.

116986-01Bwww.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 IdentificationAir For Combustion Ventilation Product FeaturesLocal Codes UnpackingDetermining fresh-air flow for heater location Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Check GAS Type InstallationInstallation and clearances for vent-free operation Installation Floor Clearances Installing Heater AssemblyDetermining Minimum Mantel Clearance When using a Hood Mantel ClearancesInstallation Items Needed Connecting to gas supplyChecking gas connections Natural GasPropane/LP Gas Pressure Testing Heater Gas Connections Adding Embers, Lava rock and Decorative logsTest Pressures Equal To or Less Than Psig 3.5 kPa Operating Heater For your safety Read before lightingFunctions Remote ControlManual Lighting ProcedureLighting with Piezo Ignitor Inspecting BurnersTo turn gas off To appliance Pilot Flame PatternCleaning Maintenance Burner Flame PatternBurner 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 DiagramAccessories Replacement PartsService Hints Technical ServiceModels VF-18N-MHD, VF-18P-MHD, VF-24N-MHD and VF-24P-MHD Illustrated Parts BreakdownParts List Warranty Information Keep this WarrantyLimited Warranty VENT-FREE GAS LOG Heaters