Desa LSL18NT, LSL18PT, SL18NT, SL18PT, VSL18NT, VSL18PT Accessories, Technical Service

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ACCESSORIES

Purchase these heater accessories from your local dealer. If they can not supply these accessories, either contact your nearest Parts Central (see page 26) or call DESA Heating Products at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this manual.

EQUIPMENT SHUTOFF VALVE GA5010

For all models. Equipment shutoff valve with 1/8" NPT tap.

ELECTRONIC IGNITOR KIT - GA435 Not Shown

For all piezo ignitor models. Provides easier

lighting of the pilot.

TECHNICAL SERVICE

You may have further questions about installation, operation or troubleshooting. If so, contact DESA Heating Productsʼ Technical Service Department at 1-866-672-6040. When calling please have your model and serial numbers of your heater ready.

You can also visit DESA Heating Productsʼtechni- cal service web site at www.desatech.com.

REPLACEMENT PARTS

Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.

PARTS UNDER WARRANTY

Contact authorized dealers of this product. If they canʼt supply original replacement part(s), call DESA Heating Productsʼ Technical Service Department at 1-866-672-6040.

When calling DESA Heating Products, have ready

•your name

•your address

•model and serial numbers of your heater

•how heater was malfunctioning

•type of gas used (propane/LP or natural gas)

•purchase date

Usually, we will ask you to return the part to the factory.

PARTS NOT UNDER WARRANTY

Contact authorized dealers of this product. If they canʼt supply original replacement part(s), either contact your nearest Parts Central (see page 26) or call DESA Heating Products at 1-866-672-6040 for referral information.

When calling DESA Heating Products, have ready

•model number of your heater

•the replacement part number

SERVICE PUBLICATIONS

You can purchase a service manual from the address listed on the back page of this manual. Send a check for $5.00 payable to DESA Heating Products.

SERVICE HINTS

When Gas Pressure Is Too Low

•pilot will not stay lit

•burner will have delayed ignition

•heater will not produce speciﬁed heat

•propane/LP gas supply may be low

You may feel your gas pressure is too low. If so, contact your local natural or propane/LP gas supplier.

116292-01D

www.desatech.com

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Unpacking Product FeaturesLocal Codes Product IdentificationUnusually Tight Construction AIR for Combustion VentilationProviding Adequate Ventilation Following are excerpts from National FuelDetermining if You Have a Conﬁned or Unconﬁned Space Determining FRESH-AIR Flow for Heater LocationVentilation Air From Inside Building InstallationVentilation AIR Check GAS TypeRemoving Front Panel of Heater Installation ItemsInstalling Ignitor Installing Glass PanelThis heater is designed to be mounted on a wall Locating HeaterInstalling Heater to Wall Placing Heater On Mounting Bracket Connecting to GAS SupplyInstalling Bottom Mounting Screws Checking GAS Connections Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Test Pressures In Excess Of 1/2 Psig 3.5 kPaExtension Cord Connecting to Electrical SupplyFor Your Safety Read Before Lighting Operating HeaterShutting Off Heater Lighting InstructionsTo Turn OFF GAS To Appliance Thermostat Control OperationPilot Flame Pattern Manual Lighting ProcedureInspecting Heater Burner Flame PatternCabinet Cleaning MaintenanceODS/PILOT and Burner Burner Pilot AIR InletObserved Problem Possible Cause Remedy TroubleshootingODS/pilot lights but flame Goes out when control knob is Control knob not pressedDelayed ignition of burner Manifold pressure is too low Burner oriﬁce is clogged Clean burner see CleaningAir passageways on heater Walls or furniture Cleaners, etc. may turn intoNo power to electric outlet 60Hz outlet Slight smoke or odor duringMent above LSL18NT, SL18NT and VSL18NT LSL18PT, SL18PT and VSL18PT SpecificationsWiring Diagrams For purposes of input adjustmentService Publications Service Hints AccessoriesTechnical Service Replacement PartsModels LSL18NT, LSL18PT, SL18NT, SL18PT, VSL18NT and VSL18PT Illustrated Parts BreakdownParts List Parts Centrals 116292-01D Keep this Warranty Warranty InformationQUÉ Hacer SI Percibe Olor a GAS Tabla DE Contenido Información DE Seguridad Características DEL Producto Información DECódigos Locales DesempaqueEspacio confinado y no confinado Aire Para Combustión VentilaciónCómo Proveer LA Ventilación Adecuada Construcción inusualmente selladaAire del interior de la construcción para ventilación Aire Para VentilaciónAire del exterior para ventilación InstalaciónVerifique EL Tipo DE GAS Instalación del panel de vidrio Artículos DE InstalaciónDesmontaje DEL Panel Anterior DEL Calentador Instalación DEL EncendedorUbicación DEL Calentador Corrientes de aire fuertesDoble el anclaje de pared como se muestra en la figura Instalación DEL Calentador EN LA ParedSoporte de montaje Inferiores Conexión AL Suministro DE GASColocación del calentador en el soporte de montaje Instalación de los tornillos de montajeAdecuado al calentador. Si la tubería Permita el paso del volumen de gasRevisión DE LAS Conexiones DE GAS Lo suficientemente grande para queRepare todas las fugas inmediatamente Cierre del equipoRegule la presión del sistema de tubería de Usando aire comprimidoPara SU SEGURIDAD, LEA Esto Antes DE Encenderlo Funcionamiento DEL CalentadorConexión a LA Alimentación Eléctrica Cable DE ExtensiónApague el piloto Funcionamiento DELInstrucciones DE Encendido Procedimiento DE Funcionamiento DELPatrón DE LA Llama DEL CalentadorGabinete Limpieza Y MantenimientoPiloto CON ODS Y Quemador Entrada DE Aire AL Piloto DEL QuemadorReemplace el regulador de gas Solución DE ProblemasProblema Observado Causa Posible Remedio La posición del regulador de gas no es la correctaCausa Posible Remedio Los conductos de aire en el El problema desapareceráHay aire en la línea de gas Hasta que se elimine el aire Línea de gasCia anterior LSL18PT, SL18PT y VSL18PT Diagramas DE CableadoEspecificaciones LSL18NT, SL18NT y VSL18NTPiezas DE Repuesto AccesoriosServicio Técnico Publicaciones DE ServicioModelos LSL18NT, LSL18PT, SL18NT, SL18PT, VSL18NT Y VSL18PT Clasificación Ilustrada DE PiezasLista DE Piezas Centrales DE Piezas Laporte’s Parts & Service 2444 N th StreetNotas Guarde Esta Garantía Información DE Garantía