Desa LSL18PT, LSL18NT, VSL18PT, VSL18NT installation manual Table of Contents

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WARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualiﬁed installer, service agency or the gas supplier.

WARNING: This is an unvented gas-ﬁred heater. It uses air (oxygen) from the room in which it is installed. Provi- sions for adequate combustion and ventilation air must be provided. Refer to Air for Combustion and Ventilation section on page 5 of this manual.

This appliance may be installed in an aftermarket,* per- manently located, manufactured (mobile) home, where not prohibited by local codes.

This appliance is only for use with the type of gas indi- cated on the rating plate. This appliance is not convert- ible for use with other gases.

*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

State of Massachusetts: The installation must be made by a licensed plumber or gas ﬁtter in the Commonwealth of Massachusetts.

Sellers of unvented propane or natural gas-ﬁred supplemental room heaters shall provide to each purchaser a copy of 527 CMR 30 upon sale of the unit.

Vent-free gas products are prohibited for bedroom and bathroom installation in the Common- wealth of Massachusetts.

TABLE OF CONTENTS

Safety Information	3	Speciﬁcations	22
Local Codes	4	Wiring Diagrams	22
Product Identiﬁcation	4	Accessories	23
Unpacking	4	Technical Service	23
Product Features	4	Service Publications	23
Air For Combustion And Ventilation	5	Replacement Parts	23
Installation	7	Service Hints	23
Operating Heater	14	Illustrated Parts Breakdown and Parts List	24
Inspecting Heater	16	Parts Centrals	26
Cleaning and Maintenance	17	Warranty Information	28
Troubleshooting	18

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116292-01A

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Product Identification Product FeaturesLocal Codes UnpackingFollowing are excerpts from National Fuel AIR for Combustion VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining FRESH-AIR Flow for Heater Location Determining if You Have a Conﬁned or Unconﬁned SpaceCheck GAS Type InstallationVentilation AIR Ventilation Air From Inside BuildingThis heater is designed to be mounted on a wall Installation ItemsLocating Heater Installing Heater to Wall For attaching mounting bracket to wall studs Attaching Mounting Bracket To WallIs provided with heater Placing Heater On Mounting BracketImportant For natural gas, check gas line Connecting to GAS SupplyInstalling Bottom Mounting Screws Tor damage could occurPropane/LP Checking GAS ConnectionsMin. Natural Gas Equipment Open Shutoff Valve Closed Test Pressures In Excess Of 1/2 Psig 3.5 kPaTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Gas Meter EquipmentOperating Heater Connecting to Electrical SupplyFor Your Safety Read Before Lighting Extension CordThermostat Control Operation Lighting InstructionsTo Turn OFF GAS To Appliance Shutting Off HeaterBurner Flame Pattern Manual Lighting ProcedureInspecting Heater Pilot Flame PatternODS/PILOT and Burner Cleaning MaintenancePilot Assembly Pilot Air Inlet Burner Pilot AIR InletTroubleshooting Observed Problem Possible Cause RemedyBurner oriﬁce is clogged Clean burner see Cleaning Goes out when control knob is Control knob not pressedDelayed ignition of burner Manifold pressure is too low ODS/pilot lights but flameSlight smoke or odor during Walls or furniture Cleaners, etc. may turn intoNo power to electric outlet 60Hz outlet Air passageways on heaterMent above LSL18NT, SL18NT and VSL18NT LSL18PT, SL18PT and VSL18PT SpecificationsWiring Diagrams Replacement Parts AccessoriesTechnical Service Service Publications Service HintsIllustrated Parts Breakdown Models LSL18NT, LSL18PT, SL18NT, SL18PT, VSL18NT and VSL18PTParts List Parts Centrals 116292-01A Model Serial No Date of Purchase Warranty InformationKeep this Warranty Industrial Drive P.O. Box Patent PendingQUÉ Hacer SI Percibe Olor a GAS Tabla DE Contenido Información DE Seguridad Desempaque Información DECódigos Locales Características DEL ProductoConstrucción inusualmente sellada Aire Para Combustión VentilaciónCómo Proveer LA Ventilación Adecuada Espacio confinado y no confinadoAire Para Ventilación Aire del interior de la construcción para ventilaciónAire del exterior para ventilación InstalaciónVerifique EL Tipo DE GAS Este calentador está diseñado para montarse en una pared Artículos DE InstalaciónUbicación DEL Calentador Desmontaje del panel anterior del calentador Instalación DEL Calentador EN LA ParedSoporte de montaje Panel de vidrio Separador TornilloEn los maderos de la pared Zando una broca de 9/64 de pulgadaCon los orificios que perforó en la pared Doble el anclaje de pared como se muestra en la figuraQuite el calentador del soporte de montaje Conexión AL Suministro DE GASInstalación de los tornillos de montaje inferiores Calentador Pared SeparadorDe pulgada Válvula de Unión T Unión terminal Buje reducTor a 1/8 Con rosca Cierre del Tipo NPT Tapón EquipoDe gas Cierre de Equipo CerradaMedidor Tanque de suministro de propano o gas LP Válvula deCable DE Extensión Funcionamiento DEL CalentadorConexión a LA Alimentación Eléctrica Para SU SEGURIDAD, LEA Esto Antes DE EncenderloApague el piloto Funcionamiento DELInstrucciones DE Encendido Calentador Funcionamiento DELPatrón DE LA Llama DEL Procedimiento DEEntrada DE Aire AL Piloto DEL Quemador Limpieza Y MantenimientoPiloto CON ODS Y Quemador GabineteLa posición del regulador de gas no es la correcta Solución DE ProblemasProblema Observado Causa Posible Remedio Reemplace el regulador de gasCausa Posible Remedio Línea de gas El problema desapareceráHay aire en la línea de gas Hasta que se elimine el aire Los conductos de aire en elCia anterior LSL18NT, SL18NT y VSL18NT Diagramas DE CableadoEspecificaciones LSL18PT, SL18PT y VSL18PTPublicaciones DE Servicio AccesoriosServicio Técnico Piezas DE RepuestoClasificación Ilustrada DE Piezas Modelos LSL18NT, LSL18PT, SL18NT, SL18PT, VSL18NT Y VSL18PTLista DE Piezas Laporte’s Parts & Service 2444 N th Street Centrales DE PiezasNotas Información DE Garantía Guarde Esta Garantía