Desa VSF30PT, LSFG20NT, SPC20PT, SPC20NT Technical Service, Service Publications Service Hints

Page 19

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

odors

paint, hair spray, glues, etc.

 

See IMPORTANT statement

 

above

2.

Low fuel supply (propane/LP

 

gas)

3.

Gas leak. See Warning

 

statement at top of page

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 11)

Gas odor even when control 1.

Gas leak. See Warning

1.

Locate and correct all leaks

knob is in OFF position

statement at top of page

 

(see Checking Gas Connec-

2.

Control valve defective

 

tions, page 11)

2.

Replace control valve

Gas odor during combustion

1.

Foreign matter between con-

 

 

trol valve and burner

 

2.

Gas leak. See Warning

 

 

statement at top of page

1.Take apart gas tubing and remove foreign matter

2.Locate and correct all leaks (see Checking Gas Connec- tions, page 11)

Moisture/condensation noticed

1. Not enough combustion/ven-

1. Refer to Air for Combustion

on windows

tilation air

and Ventilation requirements

 

 

(page 5)

TECHNICAL SERVICE

You may have further questions about installation, operation or troubleshooting. If so, contact DESA Heating Productsʼ Technical Service Department at 1-866-672-6040. When calling please have your model and serial numbers of your heater ready.

You can also visit DESA Heating Productsʼtechni- cal service web site at www.desatech.com.

SERVICE PUBLICATIONS

You can purchase a service manual from the address listed on the back page of this manual. Send a check for $5.00 payable to DESA Heating Products.

SERVICE HINTS

When Gas Pressure Is Too Low

•pilot will not stay lit

•burner will have delayed ignition

•heater will not produce specified heat

•propane/LP gas supply may be low

You may feel your gas pressure is too low. If so, con- tact your local natural or propane/LP gas supplier.

116307-01B

www.desatech.com

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Contents Residential Models Garage Models What to do if YOU Smell GASTable of Contents Safety Information Local Codes Product FeaturesUnpacking Providing Adequate Ventilation AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors InstallationInstallation Items Check GAS TypeAttaching to wall stud Attaching to wall anchor Installing Heater to WallLocating Heater Coldest part of roomLocate hardware packet behind left side door of heater Connecting to GAS SupplyMarking Screw Locations Placing Heater On Mounting Screws30,000 Btu/Hr Models 1/2 or greater Protects it from freezing rain or sleetBe upstream from heater see Figure Test Pressures In Excess Of 1/2 Psig 3.5 kPa Checking GAS ConnectionsTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Installing Refractory and Front Panel For Your Safety Read Before LightingOperating Heater Turn control knob clockwise to the OFF position Lighting InstructionsPilot Flame Pattern Manual Lighting ProcedureInspecting Heater Thermostat Control OperationCabinet Cleaning MaintenanceODS/PILOT and Burner Burner Pilot AIR InletObserved Problem Possible Cause Remedy TroubleshootingContact local propane/LP gas company Delayed ignition of burners Manifold pressure is too low Goes out when control knob is Control knob not pressedProblem could be caused by AssemblyTurn 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 SpecificationsLSF30NT, VSF30NT LSF30PT, VSF30PT Replacement Parts AccessoriesParts Central Illustrated Parts Breakdown Parts List Keep this Warranty Warranty InformationModelos Modelos Para Cochera QUÉ Hacer SI Percibe Olor a GASTabla DE Contenido Información 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 del interior de la construcción para ventilación Aire Para VentilaciónAire del exterior para ventilación InstalaciónVerifique EL Tipo DE GAS Artículos DE InstalaciónUbicación DEL Calentador En áreas con mucho viento oColoque 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 GASPruebas de presiones mayores a 1/2 PSI 3.5 kPa Revisión DE LAS Conexiones DE GASGas natural 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 refractarioNo intente encender ningún aparato Instrucciones DE EncendidoInspección DEL Calentador Funcionamiento DELComo se muestra en la figura Inspección DELLimpieza Y Mantenimiento Entrada DE Aire AL Piloto DEL QuemadorCausa Posible Remedio Solución DE ProblemasPresione totalmente la perilla de control Problema Observado Causa Posible RemedioBaja presión del gas El termopar está dañadoSilbante cuando el quemador El problema desapareceráCierre el suministro de aire Se enciende o se apagaConsejos Para Servicio Servicio TécnicoCuando la presión del gas de entrada sea muy baja SF30NT EspecificacionesLSF30NT, VSF30NT Piezas DE Repuesto AccesoriosCentral DE Piezas Clasificación Ilustrada DE Piezas Lista DE Piezas Guarde Esta Garantía Información DE Garantía
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