Desa SF20NT Marking Screw Locations, Mark two screw locations on wall as shown in Figure

Page 9

INSTALLATION

Continued

Decide which method better suits your needs. Either method will provide a secure hold for the heater.

Marking Screw Locations

WARNING: Maintain mini- mum clearances shown in Figure 5. If you can, provide greater clearances from floor and joining wall.

Mark two screw locations on wall as shown in Figure 6).

20,000 Btu Heaters

16 7/8"

30,000 Btu Heaters

7"

 

24 5/16"

 

Min.

 

 

AdjoiningWall

Insert Mounting

18 3/4"

 

Screws

Min.

Floor

Figure 6 - Wall Mounting Clearances

Locate hardware packet behind left side door of heater.

Attaching To Wall Stud Method For attaching heater to wall studs

1.Drill holes at marked locations using 9/64" drill bit.

2.Tighten screws until screw head is 1/8" away from wall.

Attaching To Wall Anchor Method

For attaching heater to hollow walls (wall areas be- tween studs) or solid walls (concrete or masonry).

1.Drill holes at marked locations using 5/16" drill bit. For solid walls (concrete or masonry),

drill at least 1" deep.

2.Fold wall anchor as shown in Figure 7.

3.Insert wall anchor (wings first) into hole. Tap anchor flush to wall.

4.For thin walls (1/2" or less), insert red key into wall anchor. Push red key to “pop” open anchor wings. IMPORTANT: Do not hammer key! For thick walls (over 1/2" thick) or solid walls, do not pop open wings.

5.Insert mounting screws into wall anchors.

6.Tighten screws until screw head is 1/8" away from wall.

Figure 7 - Folding

Figure 8 - Popping

Anchor

Open Anchor Wings

 

For Thin Walls

Placing Heater On Mounting Screws

1.Locate two top vertical key slots on back end panels of heater.

2.Place heater onto mounting screws.

Vertical

Key Slots

Figure 9 - Vertical Key Slots for Mounting

Heater to Wall

116307-01A

www.desatech.com

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Contents Residential Models Garage Models What to do if YOU Smell GASTable of Contents Safety Information Product Features Local CodesUnpacking AIR for Combustion Ventilation Providing Adequate VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation Air From Inside Building Ventilation AIRInstallation Items InstallationCheck GAS Type Ventilation Air From OutdoorsLocating Heater Installing Heater to WallColdest part of room Attaching to wall stud Attaching to wall anchorMark two screw locations on wall as shown in Figure Marking Screw LocationsLocate hardware packet behind left side door of heater Attaching To Wall Anchor MethodExternal Regulator With Vent Pointing Down Connecting to GAS SupplyChecking GAS Connections Test Pressures In Excess Of 1/2 Psig 3.5 kPaTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Installing Refractory and Front Panel For Your Safety Read Before LightingOperating Heater Make sure control knob of heater is in the OFF positionWhat to do if YOU Smell GAS Lighting InstructionsInspecting Heater ODS/PILOT and Burner Cleaning MaintenanceBurner Pilot AIR Inlet CabinetTroubleshooting Observed Problem Possible Cause RemedyContact local propane/LP gas company Problem could be caused by Goes out when control knob is Control knob not pressedAssembly Delayed ignition of burners Manifold pressure is too lowDirty 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 WarningSpecifications SF30NT SF30PTLSF30NT, VSF30NT LSF30PT, VSF30PT Accessories Replacement PartsParts Central Illustrated Parts Breakdown LSF20PT Parts ListKeep this Warranty Warranty InformationModelos Modelos Para Cochera QUÉ Hacer SI Percibe Olor a GASTabla DE Contenido Información 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 del interior de la construcción para ventilación Aire Para VentilaciónVerifique EL Tipo DE GAS InstalaciónArtículos DE Instalación Aire del exterior para ventilaciónUbicación DEL Calentador En áreas con mucho viento oDoble 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 GASPropano o gas LP Repare todas las fugas inmediatamenteAbra la válvula de cierre del equipo consulte la figura Instale el panel anterior y el refractarioInstalación del panel anterior y el refractario No intente encender ningún aparato Instrucciones DE EncendidoInspección DEL Calentador Funcionamiento DELLimpieza Y Mantenimiento Inspección DELEntrada DE Aire AL Piloto DEL Quemador Como se muestra en la figuraCausa Posible Remedio Solución DE ProblemasBaja presión del gas Problema Observado Causa Posible RemedioEl termopar está dañado Presione totalmente la perilla de controlCierre el suministro de aire El problema desapareceráSe enciende o se apaga Silbante cuando el quemadorServicio Técnico Consejos Para ServicioCuando la presión del gas de entrada sea muy baja Especificaciones SF30NTLSF30NT, VSF30NT Accesorios Piezas DE RepuestoCentral DE Piezas Clasificación Ilustrada DE Piezas Lista DE Piezas Guarde Esta Garantía Información DE Garantía

SF20NT specifications

Desa SF20NT is a versatile and innovative gas-fired space heater designed for efficient heating solutions in various environments, whether in residential, commercial, or industrial settings. This model is known for its high performance, energy efficiency, and advanced technology, making it a popular choice among users seeking reliability and effectiveness in their heating needs.

One of the primary features of the Desa SF20NT is its impressive heating capacity. With a heating output of around 20,000 BTUs, it can effectively warm spaces up to 1,000 square feet, making it suitable for larger areas. This capability is enhanced by the heater's superior metal construction, ensuring durability and long-lasting performance.

In terms of technology, the Desa SF20NT incorporates a direct vent system that utilizes outside air for combustion. This feature not only increases efficiency but also enhances safety, as it minimizes the risk of hazardous fumes entering the living space. The direct vent system allows for installation flexibility; the unit can be vented horizontally through a wall or vertically through a roof, catering to different building designs.

Another standout characteristic of the Desa SF20NT is its thermostat control, which allows users to maintain a consistent temperature easily. This feature contributes to energy savings by enabling the heater to operate only when necessary, thus reducing unnecessary heating costs. Additionally, the unit includes a programmable timer, allowing users to set specific heating schedules, further optimizing energy use.

Safety is also a critical aspect of the Desa SF20NT design. It comes with built-in safety features such as a flame sensor and a safety shut-off system, ensuring that the heater operates under safe conditions at all times. The unit is designed to meet stringent safety standards, giving users peace of mind.

In summary, the Desa SF20NT is a powerful, efficient, and safe space heater that is equipped with modern features and technologies. With its high heating capacity, direct vent system, thermostat control, and safety mechanisms, it stands out as an excellent choice for anyone looking for reliable heating solutions. Whether for home or business use, the Desa SF20NT is built to provide comfort and efficiency year-round.
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