Desa SF20NT manual

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Table of contents for the manual

  • Page 1

    Sav e this manual for future reference. For more information, visit www .desatech.com W ARNING: If the information in this manual is not fol- lowed exactly , a fire or explosion may result causing property damage, personal injury or loss of life. — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any[...]

  • Page 2

    www .desatech.com 1 16307-01A 2 W ARNING: 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 . W ARNING: [...]

  • Page 3

    www .desatech.com 3 1 16307-01A SAFETY INFORMA TION WAR NIN G: Thi s prod uc t co n- ta ins an d/o r ge ne ra tes ch emi cal s kno wn to the Stat e of Cali for nia to cause ca nce r or birth de fec ts or ot her re pro duc tiv e h arm . IMPORT ANT : Read this owner ’ s man ual carefu lly and compl ete ly b e f o r e t r y i n g t o a s s e m b l e[...]

  • Page 4

    www .desatech.com 1 16307-01A 4 5. This heater needs fresh, outside air ventilation to run properly . This heater has an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS shuts down the heater if not enough fresh air is available. See Air for Combustion and V entilation, page 5. 6. Keep all air openings in front and bottom of heater cle[...]

  • Page 5

    www .desatech.com 5 1 16307-01A AIR FOR COMB USTION AND VENTILA TION WAR NING: T his he ater s hall not be installed in a confined space or unusually tight con - struction unless provisions are prov ided f or ade quat e comb us- tion and ventilation air. Re ad the following instructions to insure proper fresh air for this and other fuel-burning ap[...]

  • Page 6

    www .desatech.com 1 16307-01A 6 1. Dete rmine t he volu me of t he spac e ( length x width x height). Length x W idth x Height =__________cu. ft. (volume of space) Example: Space size 20 ft. (6.1 m) (length) x 16 ft. (4.88 m) (width) x 8 ft. (2.44 m) (ceiling height) = 2560 cu. ft. (volume of space) If additional ventilation to adjoining room is su[...]

  • Page 7

    www .desatech.com 7 1 16307-01A AIR FOR COMB USTION AND VENTILA TION Continued V entilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. Y ou must provide two permanent open - ings: one within 12" (30.4 cm) of the ceiling and one within 12" (30.4 cm) of the floor . Connect these items directly to the ou[...]

  • Page 8

    www .desatech.com 1 16307-01A 8 LOCA TING HEA TER W ARNING: Maintain the minimum clearances shown in Figure 4. If you can, provide greater clearances from floor , ceiling and joining wall. W ARNING: Never install the heater • in a bedroom or bathroom • in a recreational vehicle • w he r e c u r ta i ns , f u rn i tu r e , c l ot h - i ng or [...]

  • Page 9

    www .desatech.com 9 1 16307-01A INST ALLA TION Continued Decide which method better suits your needs. Either method will provide a secure hold for the heater . Marking Screw Locations W ARNING: Maintain mini- m u m c l e a r a n c e s s h o w n i n Figure 5. If you can, provide greater clearances from floor and joining wall. Mark two screw locatio[...]

  • Page 10

    www .desatech.com 1 16307-01A 10 INST ALLA TION Continued CONNECTING TO GAS SUPPL Y W ARNING: This appliance requires a 3/8" NPT (National Pipe Thread) inlet connection to the pressure regulator . W ARNING: A qualified ser- vic e pers on must con nec t heat er to gas supply . Follow all local codes. WA R N I N G : F o r n a t u r a l gas, nev[...]

  • Page 11

    www .desatech.com 1 1 1 16307-01A T ee Joint Reducer Bushing to 1/8" NPT 1/8" NPT Plug T ap * A CSA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional CSA des ign -ce rtifi ed equi pme nt shut of f valve fro m your dealer . See Accessories , page 2[...]

  • Page 12

    www .desatech.com 1 16307-01A 12 INST ALLA TION Continued Figure 14 - Checking Gas Joints for Propane/LP Gas Figure 12 - Equipment Shutoff V alve Propane/LP Supply T ank Open Closed Equipment Shutoff V alve 3. Make sure control knob of heate r is in the OFF position. 4. Check all joints from equipment shutoff valve to thermostat gas valve (see Figu[...]

  • Page 13

    www .desatech.com 13 1 16307-01A burner . N ote: Y ou 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 neede d, keep pre ssin g ignito r butto n until pilot lights. If ignitor does not light pilot,[...]

  • Page 14

    www .desatech.com 1 16307-01A 14 OPERA TING HEA TER Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. T urn control knob clockwise to the OFF position. 2. T urn off all electric power to the appliance if service is to be performed. Shutting Off Burner Only (pilot stays lit) T urn control knob clockwise t o t h e PILOT position. THERMOST[...]

  • Page 15

    www .desatech.com 15 1 16307-01A INSPECTING HEA TER Continued Figure 20 - Correct Burner Flame Pattern Y ellow T ipping Fi gu re 21 - I nc or re ct B urne r F la me P at tern Blue Flame CLEANING AND MAINTENANCE W ARNING: T urn off heater and let cool before cleaning. CAUTION: Y ou must keep control areas, burner and circu- lating air passageways of[...]

  • Page 16

    www .desatech.com 1 16307-01A 16 TROUBLESHOO TING W ARN ING: T urn off and unpl ug hea te r an d let coo l befo re ser vic ing. Only a qualified service person should service and repair heater . CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in orde[...]

  • Page 17

    www .desatech.com 17 1 16307-01A TROUBLESHOO TING Continued POSSIBLE CAUSE 1. C o nt ro l kn ob n o t f ul ly p re ss e d in 2. Control knob not pressed in long enough 3. Equipment shutoff valve not fully open 4 . Thermocouple connection loose at control valve 5. Pilot flame not touching ther - mocouple, which allows ther - mocouple to cool, causi[...]

  • Page 18

    www .desatech.com 1 16307-01A 18 POSSIBLE CAUSE 1. Not enough air 2. Gas regulator defective 3. Clogged or dirty burner 4. Air blowing into heater 5 . Burner not positioned in bracket properly 1. Residues from manufacturing processes 1. Met al ex pan din g whi le hea tin g or contracting while cooling 1. Turning control knob to the highest position[...]

  • Page 19

    www .desatech.com 19 1 16307-01A TROUBLESHOO TING Continued W ARNING: 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[...]

  • Page 20

    www .desatech.com 1 16307-01A 20 SPECIFICA TIONS REM20NT , SF20NT , SFG20NT , SPC20NT AND VSFG20NT • Natural Gas • 10,500/20,000 Btu/Hr (V ariable) • Piezo Ignition • Pressure Regulator Setting - 3" W .C. • Inlet Gas Pressure* (in. of water) Maximum - 10.5" - Minimum - 4" LSF20NT , LSFG20NT , VSF20NT AND VSFG20NT • Natura[...]

  • Page 21

    www .desatech.com 21 1 16307-01A ACCESSORIES Pu rc ha se th es e hea te r acc es so ri es fr om yo ur loc al de al er. If th e y ca n no t su p pl y th es e ac ce ss or i es , ei th e r co nt ac t your nea res t Pa rt s Ce nt ra l o r call DESA Heati ng Products at 1-866-672- 6040 for referral in fo rm atio n. Yo u ca n al so wri te to the add ress[...]

  • Page 22

    www .desatech.com 1 16307-01A 22 8 9 12 10 13 14 17 18 15 16 1 1 4 6 4 5 6 7 1 2 3 19 ILL USTRA TED P ARTS BREAKDOWN RESIDENTIAL MODELS SF20NT , SF20PT , LSF20NT , LSF20PT , VSF20NT , VSF20PT , SF30NT , SF30PT , LSF30NT , LSF30PT , VSF30NT , VSF30PT GARAGE MODELS LSFG20NT , LSFG20PT , REM20NT , REM20PT , SFG20NT , SFG20PT , SPC20NT , SPC20PT , VSFG[...]

  • Page 23

    www .desatech.com 23 1 16307-01A KE Y NO. P ART NO. DESCRIPTION QTY 1 1 16301-01 Grill Guard • • • • • • • • • • • • 1 1 16301-02 Grill Guard • • • • • • 1 2 1 16302-01CV Front Panel • • • • • • 1 1 16302-02CV Front Panel • • • • • • 1 1 16302-03 Front Panel • • • • • • 1 3 1 1[...]

  • Page 24

    KEEP THIS WARRANTY WARRANTY INFORMA TION Model Serial No. Date Purchased 2701 Industrial Drive P .O. Box 90004 Bowling Green, KY 42102-9004 www .desatech.com Always specify model and serial numbers when communicating with the factory . W e reserve the right to amend these specifications at any time without notice. The only warranty applicable is o[...]

  • Page 25

    Guarde este manual par a referencias futuras. Para obtener más información visite www .desatech.com ADVERTENCIA: si la información contenida en este ma- nual no se sigue al pie de la letra, se puede producir un incendio o una explosión que podría ocasionar daños a la propiedad, lesiones personales o la muerte. — N o gu ar de ni u ti li ce g[...]

  • Page 26

    www .desatech.com 1 16307-01A 2 AD VE RTE NC IA: la in s ta la c ió n, aj us te , al te r ac ió n , se rv ic i o o ma nt eni mi ent o in ad ecu ad os p ued en pr ov oc ar le si on es o d a - ño s a la pr op ie dad . C o ns ul t e es te ma n ua l p ar a c on oc er lo s pr o- ce di mie nt os co rr e ct os de in s ta la c ió n y op er ac i ón . P[...]

  • Page 27

    www .desatech.com 3 1 16307-01A IN FO RM AC IÓ N DE S EGU RI D AD ADVERTENCIA: este producto con tie ne y/ o gene ra quími cos reco- nocidos por el estado de California como causantes de cáncer , defec- tos de nacimiento u otros daños reproductivos. I MP OR T AN TE : le a es t e ma n u a l d e l p r o - p i e t a r i o c ui da d o s a y c o m p[...]

  • Page 28

    www .desatech.com 1 16307-01A 4 5. Este calentador necesita ventilación con aire fresc o del exterior para funciona r corre ctame nte. Este calentador tiene un sistema de apagado de seguridad con detección de agotamiento de oxí- gen o (ODS). La ODS apag a el cale nta dor cuan do no hay suficiente aire fresco en la habitación. Consulte Air e pa[...]

  • Page 29

    www .desatech.com 5 1 16307-01A AIRE P ARA COMB USTIÓN Y VENTILACIÓN ADVERTENCIA : este calen - tad or no de be ins tal ars e en un esp aci o confi nad o ni en una cons - tru cci ón inus ual men te sel lad a, a men os que se haya n tomad o las med ida s neces ari as para pr opo r- cio nar el aire ade cua do para la com bus tió n y la vent ila [...]

  • Page 30

    www .desatech.com 1 16307-01A 6 1. Determine el volumen del espacio (largo x ancho x altura). L ar go x anch o x altur a =____ ___ ___ metr os cúbi cos o pies cúbicos (volumen del espacio) Ejemplo: tamaño del espacio 6.10 m (20 pies) de largo x 4.88 m (16 pies) de ancho x 2.44 m (8 pies) de altura del techo = 72.49 m 3 (2560 pies cúbicos) (volu[...]

  • Page 31

    www .desatech.com 7 1 16307-01A AIRE P ARA COMB USTIÓN Y VENTILACIÓN Continuación Figura 2 - Aire del interior de la construcción para ventilación O quite la puerta hacia la habitación adyacente, opción 3 (30.4 cm) 12" Rejillas de ventilación hacia una habitación adyacente, opción 1 (30.4 cm) 12" Rejillas de ventilación hacia u[...]

  • Page 32

    www .desatech.com 1 16307-01A 8 UBICACIÓN DEL CALENT ADOR ADVERTENCIA: mantenga las distancias mínimas que se muestran en la figura 4. Si puede, proporcione distancias mayores respecto al suelo, al techo y a las paredes adyacentes. ADVERT ENCI A: nunca ins tale el calentador , • en un dormitorio o baño • en un vehículo recreativo • donde[...]

  • Page 33

    www .desatech.com 9 1 16307-01A INST ALACIÓN Continuación INST ALACIÓN DEL CALENT ADOR EN LA P ARED Métodos para fijar el calentador a la pared Fije el calentador a la pared mediante una de las dos maneras siguientes: 1. Instalación en viga de pared 2. Instalación en anclaje de pared Instalación en viga de pared: este método propor - ciona[...]

  • Page 34

    www .desatech.com 1 16307-01A 10 INST ALACIÓN Continuación da ño s al regu lad or de l ca le nt ad or . I ns ta le el reg ul ad or ex te rn o con la ven til a ap unta ndo hac ia ab aj o, co mo s e mu es tr a en la fig ura 10 . A l a pu nt ar la ve nt ila hac ia el re gu la dor se pr ot eg e de la llu vi a he la da o ag ua ni ev e. P R E C A U C[...]

  • Page 35

    www .desatech.com 1 1 1 16307-01A Unión T Buje reductor a 1/8" tipo NPT T apón con rosca de 1/8" tipo NPT * Una válvula de cierre de equipo con diseño cer- tificado por la CSA con rosca tipo NPT de 1/8" es una alternativa aceptable a la conexión de medidor de prueba. Adquiera la válvula opcional de cierre de equipo certificad[...]

  • Page 36

    www .desatech.com 1 16307-01A 12 INST ALACIÓN Continuación Figura 14 - Revisión de las uniones de gas para propano o gas LP Figura 12 - Válvula de cierre del equipo T anque de suministro de propano o gas LP Abierta Cerrada Válvula de cierre del equipo CO MP RO BACI ÓN DE L A PR ES IÓN DE LA S CO NE XI ONES DE G AS D EL CA LEN T ADO R 1. Abra[...]

  • Page 37

    www .desatech.com 13 1 16307-01A en ce nd id o ha sta que el pilo to se enci enda . En ca so qu e el pi lot o no en cie nda , con sul te la se cc ión So lu ci ón de pr ob le mas , en la pá gi na 16, o ll am e a un téc ni co de se rv ic io cal ific ad o o a su pr ove edo r de ga s pa ra q ue re al icen l as re par ac io ne s n ec e- sa ri as . [...]

  • Page 38

    www .desatech.com 1 16307-01A 14 FUNCIONAMIENT O DEL CALENT ADOR Continuación CÓMO CERRAR EL SUMINISTRO DE GAS AL AP ARA TO Cómo apagar el calentador 1. Gire la perilla de control en el sentido de la manecillas del reloj hasta la posición OFF (apagado). 2. Si va realizar algún trabajo de manteni - miento, desconecte el suministro de energía e[...]

  • Page 39

    www .desatech.com 15 1 16307-01A INSPECCIÓN DEL CALENT ADOR Continuación Figura 20 - Patrón correcto de la llama del quemador Puntas amarilla s Fi gu ra 21 - P at ró n in co rrec to de l a ll ama de l qu emad or Llama azul PILOTO CON ODS Y QUEMADOR Utilice una aspiradora, aire a presión o un cepillo de cerdas suaves para la limpieza. ENTRADA D[...]

  • Page 40

    www .desatech.com 1 16307-01A 16 SOL UCIÓN DE PROBLEMAS ADVERTENCIA: apague y desconecte el calentador y deje que se enfríe antes de darle servicio. Sólo una persona de servicio capacitada debe reparar el calentador o darle servicio. PR EC AU CI ÓN : nun ca ut il i ce un al am br e, ag uj a u ob je to s pa rec id o s pa r a lim pia r e l p ilo [...]

  • Page 41

    www .desatech.com 17 1 16307-01A SOL UCIÓN DE PROBLEMAS Continuación CAUSA POSIBLE 1. La perilla de control no está presionada completamente 2. L a p e r i l la d e c o n t r o l n o s e presionó durante el tiempo suficiente 3. La válvula de cierre del equipo no está totalmente abierta 4. La conexión del termopar está floja en la válvula[...]

  • Page 42

    www .desatech.com 1 16307-01A 18 CAUSA POSIBLE 1. No hay suficiente aire 2. El regulador de gas está defec - tuoso 3. El quemador está obstruido o sucio 4. Hay un flujo de aire al interior del calentador 5. El quemador no está colocado correctamente en el soporte 1. Hay residuos provenientes de procesos de fabricación 1. Los metales se dilata[...]

  • Page 43

    www .desatech.com 19 1 16307-01A ADVERTENCIA: si percibe olor a gas, • Cierre el suministro de gas. • No intente encender ningún aparato. • No toque ningún interruptor eléctrico; no use ningún teléfono en el edificio. • Llame inmediatamente a su proveedor de gas desde el teléfono de algún vecino. Siga las instrucciones del proveedor[...]

  • Page 44

    www .desatech.com 1 16307-01A 20 ESPECIFICACIONES REM20NT , SF20NT , SFG20NT , SPC20NT Y VSFG20NT • Gas natural • 10,500/20,000 Btu/h (variable) • Encendido piezoeléctrico • Co nfi gu raci ón de l re gu la dor de pr es ió n: 3" de c. a. • Presión del gas de entrada* (pulg. de agua) Máximo - 10.5" - Mínimo - 4" LSF20N[...]

  • Page 45

    www .desatech.com 21 1 16307-01A ACCESORIOS Ad qu ie ra es to s ac c es ori os de l c al en ta do r c on el di str ib ui do r lo ca l. Si él no pu e de pr ove er es to s ac c es ori os , c om un íq ue se co n la Ce nt ra l de pi ez as , o bie n, l la me a DE SA H ea ti ng Pr od uc ts a l 1- 86 6-67 2-6 04 0 pa ra o bt en er i nf or ma ción de re[...]

  • Page 46

    www .desatech.com 1 16307-01A 22 8 9 12 10 13 14 17 18 15 16 1 1 4 6 4 5 6 7 1 2 3 19 CLASIFICACIÓN IL USTRAD A DE PIEZAS MODELOS RESIDENCIALES SF20NT , SF20PT , LSF20NT , LSF20PT , VSF20NT , VSF20PT , SF30NT , SF30PT , LSF30NT , LSF30PT , VSF30NT , VSF30PT MODELOS P ARA COCHERA LSFG20NT , LSFG20PT , REM20NT , REM20PT , SFG20NT , SFG20PT , SPC20NT[...]

  • Page 47

    www .desatech.com 23 1 16307-01A N° N° DE P ARTE DESCRIPCIÓN CANT 1 1 16301-01 Rejilla de resguardo • • • • • • • • • • • • 1 1 16301-02 Rejilla de resguardo • • • • • • 1 2 1 163 02-0 1CV Panel anterior • • • • • • 1 1 163 02-0 2CV Panel anterior • • • • • • 1 1 16302-03 Panel anterior[...]

  • Page 48

    GU ARDE EST A GARANTÍA INFORMACIÓN DE GARANTÍA Modelo N° de serie Fecha de compra 2701 Industrial Drive P .O. Box 90004 Bowling Green, KY 42102-9004, EE.UU. www .desatech.com Siempre especifique los números de modelo y de serie cuando se comunique con la fábrica. Nos reservamo s el derech o de modific ar estas especific acion es en cualq u[...]