Desa VSF30PT, LSFG20NT installation manual Safety Information

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Safety Information

WARNING:Thisproductcon- 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 influ- ence of alcohol and those at high altitudes.

Natural and Propane/LP Gas: Natural and Propane/ 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.

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.

Surface of heater 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 shut- down. Allow surface to cool before touching.

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

Make sure grill guard is in place before running heater.

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

1.This appliance is only for use with the type of gas indicated on the rating plate. This ap- pliance is not convertible for use with other gases.

2.Do not place propane/LP supply tank(s) in- side any structure. Locate propane/LP supply tank(s) outdoors.

3.This heater shall not be installed in a bedroom or bathroom.

4.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. Follow the gas supplier’s instructions

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

116307-01Cwww.desatech.com

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Contents Residential Models SF20NT, SF20PTGarage Models Safety Information Table of ContentsSafety Information Product Identification Safety InformationProduct Features Local CodesAir For Combustion Ventilation Providing Adequate VentilationDetermining FRESH-AIR Flow for Heater Location AIR for Combustion Ventilation Ventilation AIRVentilation Air From Inside Building Ventilation Air From Outdoors InstallationInstallation Items Check GAS TypeLocating Heater Installing Heater to WallLocate hardware packet behind left side door of heater Connecting to GAS SupplyMarking Screw Locations Placing Heater On Mounting ScrewsPropane/LP Natural GasOpen equipment shutoff valve see Figure Pressure Testing Heater Gas ConnectionsChecking GAS Connections Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaFor Your Safety Read Before Lighting Installing Refractory and Front PanelOperating Heater Shutting Off Burner Only pilot stays lit Lighting InstructionsTo Turn OFF GAS To Appliance Shutting Off HeaterPilot Flame Pattern Manual Lighting ProcedureInspecting Heater OperationCabinet Cleaning MaintenanceODS/PILOT and Burner Burner Pilot Air InletObserved Problem Possible Cause Remedy TroubleshootingTroubleshooting Turn off air supply Noise when burner is litDirty or partially clogged Clean burner see Cleaning When heated, vapors from Turn heater off when usingGas leak. See Warning Technical ServiceService Publications Service Hints When Gas Pressure Is Too LowSF30NT SF30PT SpecificationsLSF20NT, LSFG20NT, VSF20NT LSF20PT, LSFG20PT, VSF20PT VSFG20NT VSGF20PTAccessories Replacement PartsParts Central Illustrated Parts Breakdown Parts List Keep this Warranty Warranty InformationConsumidor Conserve este manual para referencias futuras ModelosModelos Para Cochera Información de seguridad Tabla de contenidoInformación de seguridad Características del Producto Códigos localesIdentificación del Producto DesempaqueEspacio confinado y no confinado Aire para combustión VentilaciónCómo Procurar LA Ventilación Adecuada Construcción inusualmente selladaAire Para Combustión Ventilación Aire Para VentilaciónAire del interior de la construcción para Ventilación Instalación Verifique EL Tipo DE GASArtículos DE Instalación Fuertes corrientes de aire Ubicación DEL CalentadorDonde cortinas, muebles, ropa De las partes anterior, superiorColoque el calentador en los tornillos de montaje Instalación DEL Calentador EN LA ParedDoble en anclaje de pared como se muestra en la figura Colocación del calentador en los Tornillos de montajeVentila apuntando hacia abajo Conexión AL Suministro DE GASRevisión DE LAS Conexiones DE GAS Gas naturalRepare todas las fugas inmediatamente Instale un difusor frontal como se muestra en la figura Abra la válvula de cierre del equipo consulte la figuraInstale el panel anterior y el refractario Instalación del panel anterior y el refractarioInstrucciones DE Encendido Funcionamiento del CalentadorEncendido Manual Inspección del CalentadorCómo Cerrar EL Suministro DE GAS AL Aparato Funcionamiento DELInspección del Limpieza y MantenimientoPatrón DE LA Llama DEL Calentador LSF30NT, VSF30NT EspecificacionesGabinete SF30NTCausa Posible Remedio Solución de problemasSolución DE Problemas En el quemador El problema desapareceráLlama amarilla durante la No hay suficiente aire CombustiónAl inicio de la página Servicio técnicoPublicaciones de servicio Consejos para servicioVálvula DE Cierre DEL Equipo GA5010 AccesoriosPiezas de repuesto Central de piezasClasificación ilustrada de piezas Lista DE Piezas Guarde Esta Garantía Información de garantía

VSF30PT, LSFG20NT specifications

The Desa VSF30PT and LSFG20NT represent two significant innovations in the HVAC (Heating, Ventilation, and Air Conditioning) industry, catering to diverse consumer needs and preferences.

The Desa VSF30PT is a powerful and efficient forced-air heater designed for residential and light commercial applications. One of its primary features is its high-efficiency output, providing a substantial heating capacity while consuming minimal energy. The unit is equipped with a robust heat exchanger that enhances its performance, ensuring optimal heat distribution throughout the space. A notable characteristic of the VSF30PT is its user-friendly digital thermostat, allowing for precise temperature control, which can significantly improve comfort levels and reduce energy consumption.

Additionally, the Desa VSF30PT incorporates advanced safety features, such as automatic shut-off protection in case of overheating or airflow obstruction. Its compact design makes it easy to install in tight spaces, providing flexibility in placement without compromising on effectiveness. The unit operates quietly, minimizing noise disturbances, which is especially important in residential settings.

On the other hand, the LSFG20NT is an innovative gas furnace that combines performance with energy efficiency. This model is equipped with a variable-speed blower motor that allows for consistent airflow and improved humidity control, making it an excellent choice for homeowners who prioritize comfort. Its multi-stage heating design ensures that the furnace operates at different levels according to the heating demand, optimizing energy usage and enhancing overall efficiency.

The LSFG20NT also features a modulating gas valve, which adjusts the burner output to provide just the right amount of heat for any given situation. This not only improves comfort but also contributes to significant energy savings over time. Furthermore, the LSFG20NT is designed with advanced filtration systems that improve indoor air quality by trapping dust, allergens, and other particles.

Both units showcase the latest technology in HVAC systems, emphasizing energy efficiency, safety, and user convenience. With their unique features and characteristics, the Desa VSF30PT and LSFG20NT stand out in the market, making them ideal choices for those seeking reliable and efficient heating solutions. Whether for residential or light commercial applications, these models promise performance that meets the demands of modern-day heating needs.
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