Desa LSL18PT, LSL18NT, VSL18PT, VSL18NT installation manual Ment above

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TROUBLESHOOTING

Continued

WARNING: If you smell gas

•Shut off gas supply.

•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. Fol- low the gas supplier’s instructions.

•If you cannot reach your gas supplier, call the ﬁre department.

IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors.

OBSERVED PROBLEM POSSIBLE CAUSE

REMEDY

Heater produces unwanted 1. Heater burning vapors from

odorspaint, hair spray, glues, etc. (see IMPORTANT statement above)

2. Low fuel supply (propane/LP gas only)

3. Gas leak. See Warning state- ment above

1.Ventilate room. Stop using odor causing products while heater is running

2.Reﬁll supply tank

3.Locate and correct all leaks (see Checking Gas Connec- tions, page 12)

Heater shuts off in use (ODS	1.	Not enough fresh air is avail-	1.	Open window and/or door for
operates)		able		ventilation
	2.	Low line pressure	2.	Contact local natural or pro-
	3.	ODS/pilot is partially clogged		pane/LP gas company
	3.	ODS/pilot is partially clogged	3.	Clean ODS/pilot (see Cleaning
				and Maintenance, page 17)

Gas odor even when control knob	1.	Gas leak. See Warning state-	1.	Locate and correct all leaks
is in OFF position		ment above		(see Checking Gas Connec-
	2.	Control valve defective		tions, page 12)
	2.	Control valve defective	2.	Replace control valve

Gas odor during combustion	1.	Foreign matter between control	1.	Take apart gas tubing and
		valve and burner		remove foreign matter
	2.	Gas leak. See Warning state-	2.	Locate and correct all leaks
		ment above		(see Checking Gas Connec-
				tions, page 12)

Moisture/condensation noticed	1.	Not enough combustion/venti-	1.	Refer to Air for Combustion
on windows		lation air		and Ventilation requirements
				(page 5)

116292-01A

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Local Codes Product FeaturesProduct Identification UnpackingProviding Adequate Ventilation AIR for Combustion VentilationFollowing are excerpts from National Fuel Unusually Tight ConstructionDetermining if You Have a Conﬁned or Unconﬁned Space Determining FRESH-AIR Flow for Heater LocationVentilation AIR InstallationCheck GAS Type Ventilation Air From Inside BuildingInstallation Items Locating HeaterThis heater is designed to be mounted on a wall Installing Heater to Wall Is provided with heater Attaching Mounting Bracket To WallFor attaching mounting bracket to wall studs Placing Heater On Mounting BracketInstalling Bottom Mounting Screws Connecting to GAS SupplyImportant For natural gas, check gas line Tor damage could occurChecking GAS Connections Min. Natural GasPropane/LP Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Test Pressures In Excess Of 1/2 Psig 3.5 kPaEquipment Open Shutoff Valve Closed Gas Meter EquipmentFor Your Safety Read Before Lighting Connecting to Electrical SupplyOperating Heater Extension CordTo Turn OFF GAS To Appliance Lighting InstructionsThermostat Control Operation Shutting Off HeaterInspecting Heater Manual Lighting ProcedureBurner Flame Pattern Pilot Flame PatternPilot Assembly Pilot Air Inlet Cleaning MaintenanceODS/PILOT and Burner Burner Pilot AIR InletObserved Problem Possible Cause Remedy TroubleshootingDelayed ignition of burner Manifold pressure is too low Goes out when control knob is Control knob not pressedBurner oriﬁce is clogged Clean burner see Cleaning ODS/pilot lights but flameNo power to electric outlet 60Hz outlet Walls or furniture Cleaners, etc. may turn intoSlight smoke or odor during Air passageways on heaterMent above Specifications Wiring DiagramsLSL18NT, SL18NT and VSL18NT LSL18PT, SL18PT and VSL18PT Technical Service AccessoriesReplacement Parts Service Publications Service HintsModels LSL18NT, LSL18PT, SL18NT, SL18PT, VSL18NT and VSL18PT Illustrated Parts BreakdownParts List Parts Centrals 116292-01A Keep this Warranty Warranty InformationModel Serial No Date of Purchase Industrial Drive P.O. Box Patent PendingQUÉ Hacer SI Percibe Olor a GAS Tabla DE Contenido Información DE Seguridad Códigos Locales Información DEDesempaque Características DEL ProductoCómo Proveer LA Ventilación Adecuada Aire Para Combustión VentilaciónConstrucción inusualmente sellada Espacio confinado y no confinadoAire del interior de la construcción para ventilación Aire Para VentilaciónInstalación Verifique EL Tipo DE GASAire del exterior para ventilación Artículos DE Instalación Ubicación DEL CalentadorEste calentador está diseñado para montarse en una pared Soporte de montaje Instalación DEL Calentador EN LA ParedDesmontaje del panel anterior del calentador Panel de vidrio Separador TornilloCon los orificios que perforó en la pared Zando una broca de 9/64 de pulgadaEn los maderos de la pared Doble el anclaje de pared como se muestra en la figuraInstalación de los tornillos de montaje inferiores Conexión AL Suministro DE GASQuite el calentador del soporte de montaje Calentador Pared SeparadorTor a 1/8 Unión T Unión terminal Buje reducDe pulgada Válvula de Con rosca Cierre del Tipo NPT Tapón EquipoMedidor Cierre de Equipo CerradaDe gas Tanque de suministro de propano o gas LP Válvula deConexión a LA Alimentación Eléctrica Funcionamiento DEL CalentadorCable DE Extensión Para SU SEGURIDAD, LEA Esto Antes DE EncenderloFuncionamiento DEL Instrucciones DE EncendidoApague el piloto Patrón DE LA Llama DEL Funcionamiento DELCalentador Procedimiento DEPiloto CON ODS Y Quemador Limpieza Y MantenimientoEntrada DE Aire AL Piloto DEL Quemador GabineteProblema Observado Causa Posible Remedio Solución DE ProblemasLa posición del regulador de gas no es la correcta Reemplace el regulador de gasCausa Posible Remedio Hay aire en la línea de gas Hasta que se elimine el aire El problema desapareceráLínea de gas Los conductos de aire en elCia anterior Especificaciones Diagramas DE CableadoLSL18NT, SL18NT y VSL18NT LSL18PT, SL18PT y VSL18PTServicio Técnico AccesoriosPublicaciones DE Servicio Piezas DE RepuestoModelos 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