Desa EFS33NR Owner's Operation And Installation Manual

Also see for EFS33NR: OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

1071722323For more information, visit www.desatech.comFor more information, visit www.desatech.comAUTOOFFONThermopileWIRING DIAGRAMNote: For proper operation of optional accessories, the wires fromthe switch to the control must be connected exactly as shown.SPECIFICATIONSMODELS EFS33NR & VSGF33NRBtu (Variable) 20,000/33,000Type Gas Natural Gas OnlyIgnition PiezoPressure Manifold 3.5" W.C.Inlet Gas Pressure (in. of water)Maximum 10.5"Minimum* 5"Shipping Weight 122 lbs.* For input adjustmentMODELS EFS33PR & VSGF33PRBtu (Variable) 20,000/33,000Type Gas Propane/LP OnlyIgnition PiezoPressure Manifold 7.9" W.C.Inlet Gas Pressure (in. of water)Maximum 13"Minimum* 11"Shipping Weight 122 lbs.* For input adjustmentTECHNICAL SERVICEYou may have further questions about installation, operation, ortroubleshooting.If so, contact DESA International’s Technical Service Departmentat 1-866-672-6040.You can also visit DESA International’s technical services web siteat www.desatech.com.REPLACEMENT PARTSNote: Use only original replacement parts. This will protect yourwarranty coverage for parts replaced under warranty.PARTS UNDER WARRANTYContact authorized dealers of this product. If they can’t supplyoriginal replacement part(s), call DESA International’s TechnicalService Department at 1-866-672-6040. When calling DESA Inter-national, have ready• your name and address• model and serial numbers of your fireplace• how fireplace was malfunctioning• type of gas used (propane/LP or natural gas)• purchase dateUsually, we will ask you to return the part to the factory.PARTS NOT UNDER WARRANTYContact authorized dealers of this product. If they can’t supply originalreplacement part(s), call DESA International at 1-866-672-6040 forreferral information. When calling DESA International, have ready• model number of your fireplace• the replacement part numberSERVICE HINTSWhen Gas Pressure Is Too Low• pilot will not stay lit• burners will have delayed ignition• heater will not produce specified heat• propane/LP gas supply may be low for propane/LP unitYou may feel your gas pressure is too low. If so, contact your localgas supplier.WIRING DIAGRAMSPECIFICATIONSREPLACEMENT PARTSSERVICE HINTSTECHNICAL SERVICE