Desa VSF30PT, LSFG20NT Lighting Instructions, To Turn OFF GAS To Appliance, Shutting Off Heater

Page 13

Operating Heater

Continued

WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance.

Do not touch any electric 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.

C.Use only your hand to push in and turn the gas control knob. Never use tools. If the knob will not push in and turn by hand, don’t try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion.

D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.

LIGHTING

INSTRUCTIONS

1.STOP! Read the safety information starting on page 12.

2.Make sure equipment shutoff valve is fully open.

3.Turn off any electric power to the appliance if service is to be performed.

4.Turn control knob clockwise to the OFF position.

5.Wait five minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information starting on page 12. If you don’t smell gas, go to the next step.

6.Turn control knob counterclockwise to the PILOT position. Press in control knob for five (5) seconds.

7.With control knob pressed in, push down and release ignitor button. This will light pilot. The pilot is attached to the front of burner. Note: You may be running this heater for the first time after hooking up to gas supply. If so, you may need to press in control knob for 30 seconds or more. This will allow air to bleed from the gas system. If needed, keep pressing ignitor button until pilot lights. If ignitor does not light pilot, refer to Troubleshooting, page 16 or contact a qualified service person or gas supplier for

repairs. Until repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure, page 14.

8.Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob.

• If control knob does not pop up when released, contact a qualified service person or gas supplier for repairs.

Note: If pilot goes out, repeat steps 4 thru 7. Thermostat models have a safety interlock system. Wait one (1) minute before lighting pilot again.

9.Turn control knob counterclockwise to desired heating level. The main burner should light.

CAUTION: Do not try to ad- just heating levels by using the equipment shutoff valve.

Ignitor Button

Control Knob

(Actual Ignitor may vary)

 

 

F

 

F

 

O

Figure 16 - Control Knob In The OFF

Position

 

Thermocouple

Ignitor

 

Electrode

Pilot

Burner

Figure 17 - Pilot

TO TURN OFF GAS

TO APPLIANCE

Shutting Off Heater

1. Turn control knob clockwise to the OFF position.

2.Turn off all electric power to the appliance if service is to be performed.

Shutting Off Burner Only (pilot stays lit)

Turn control knob clockwise to the PILOT position.

116307-01C

www.desatech.com

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Contents Models SF20NT, SF20PT ResidentialGarage Models Safety Information Table of ContentsSafety Information Product Features Safety InformationLocal Codes Product IdentificationProviding Adequate Ventilation Air For Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation AIR AIR for Combustion VentilationVentilation Air From Inside Building Installation Items InstallationCheck GAS Type Ventilation Air From OutdoorsLocating Heater Installing Heater to WallMarking Screw Locations Connecting to GAS SupplyPlacing Heater On Mounting Screws Locate hardware packet behind left side door of heaterPropane/LP Natural GasChecking GAS Connections Pressure Testing Heater Gas ConnectionsTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Open equipment shutoff valve see FigureInstalling Refractory and Front Panel For Your Safety Read Before LightingOperating Heater To Turn OFF GAS To Appliance Lighting InstructionsShutting Off Heater Shutting Off Burner Only pilot stays litInspecting Heater Manual Lighting ProcedureOperation Pilot Flame PatternODS/PILOT and Burner Cleaning MaintenanceBurner Pilot Air Inlet CabinetObserved Problem Possible Cause Remedy TroubleshootingTroubleshooting Dirty or partially clogged Clean burner see Cleaning Noise when burner is litWhen heated, vapors from Turn heater off when using Turn off air supplyService Publications Service Hints Technical ServiceWhen Gas Pressure Is Too Low Gas leak. See WarningLSF20NT, LSFG20NT, VSF20NT LSF20PT, LSFG20PT, VSF20PT SpecificationsVSFG20NT VSGF20PT SF30NT SF30PTReplacement Parts AccessoriesParts Central Illustrated Parts Breakdown Parts List Keep this Warranty Warranty InformationModelos Consumidor Conserve este manual para referencias futurasModelos Para Cochera Información de seguridad Tabla de contenidoInformación de seguridad Identificación del Producto Códigos localesDesempaque Características del ProductoCómo Procurar LA Ventilación Adecuada Aire para combustión VentilaciónConstrucción inusualmente sellada Espacio confinado y no confinadoAire Para Ventilación Aire Para Combustión VentilaciónAire del interior de la construcción para Ventilación Verifique EL Tipo DE GAS InstalaciónArtículos DE Instalación Donde cortinas, muebles, ropa Ubicación DEL CalentadorDe las partes anterior, superior Fuertes corrientes de aireDoble en anclaje de pared como se muestra en la figura Instalación DEL Calentador EN LA ParedColocación del calentador en los Tornillos de montaje Coloque el calentador en los tornillos de montajeVentila apuntando hacia abajo Conexión AL Suministro DE GASGas natural Revisión DE LAS Conexiones DE GASRepare todas las fugas inmediatamente Instale el panel anterior y el refractario Abra la válvula de cierre del equipo consulte la figuraInstalación del panel anterior y el refractario Instale un difusor frontal como se muestra en la figuraInstrucciones DE Encendido Funcionamiento del CalentadorCómo Cerrar EL Suministro DE GAS AL Aparato Inspección del CalentadorFuncionamiento DEL Encendido ManualLimpieza y Mantenimiento Inspección delPatrón DE LA Llama DEL Calentador Gabinete EspecificacionesSF30NT LSF30NT, VSF30NTCausa Posible Remedio Solución de problemasSolución DE Problemas Llama amarilla durante la No hay suficiente aire El problema desapareceráCombustión En el quemadorPublicaciones de servicio Servicio técnicoConsejos para servicio Al inicio de la páginaPiezas de repuesto AccesoriosCentral de piezas Válvula DE Cierre DEL Equipo GA5010Clasificación 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.