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PROPANE CONSTRUCTION FORCED AIR HEATER
OWNER’S MANUAL
35/40,000 BTU/HR HEATER
IMPORTANT: Read and understand this manual before
assembling, starting or servicing heater. Improper use
of heater can cause serious injury. Keep this manual for
future reference.
GENERAL HAZARD WARNING:
Failure to comply with the precautions and instructions
provided with this heater, can result in death, serious
bodily injury and property loss or damage from hazards
of fire, explosion, burn, asphyxiation, carbo
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Propane Gas: Propane gas is odorless. An odor- SAFETY INFORMATION making agent is added to propane gas. The odor helps you detect a propane gas leak. However, the WARNING: This product odor added to propane gas can fade. Propane gas contains and/or generates may be present even though no odor exists. chemicals known to the State Make certain you read and understand all warn- of California to cause cancer or ings. Keep this manual for reference. It is your birth defects, or other reprodu
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SAFETY INFORMATION UNPACKING Continued 1. Remove all packing items applied to heater for shipment. Keep plastic cover caps (attached to 14. Minimum heater clearances from combus- inlet connector and hose/regulator assembly) tibles: for storage. Outlet: 6 Ft. (1.83 m) Sides: 2 Ft. (0.61 m) 2. Remove all items from carton. Top: 6 Ft. (1.83 m) Rear: 2 Ft. (0.61 m) 3. Check all items for shipping damage. If heater 15. Keep heater at least six feet from propane is damaged, promptly inform de
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THEORY OF OPERATION The Fuel System: The hose/regulator assembly The Ignition System: The piezo ignitor lights attaches to the propane gas supply. This provides the burner. fuel to the heater. The Automatic Control System: This system causes The Air System: The motor turns the fan. The the heater to shut down if the flame goes out. fan pushes air into and around the combustion chamber. This air is heated and provides a stream Fan of clean, hot air. Motor Clean Heated Air Out (Front) Cool Ai
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INSTALLATION VENTILATION Continued WARNING: Provide at least 3. Connect hose to valve inlet (see Figure 4). 1 2 a 1 /2 square foot (1400 cm ) Tighten firmly using a wrench. opening of fresh, outside air I M P O R T A N T : Use extra hose or piping if while running heater. If proper needed. Install extra hose or piping between hose/regulator assembly and propane tank. You fresh, outside air ventilation is must use the regulator supplied with heater. not provided, carbon monoxide 4. Op
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TO STOP HEATER OPERATION 1. Tightly close propane supply valve on propane Continued tank(s). 2. Wait a few seconds. Heater will burn gas left WARNING: Be sure motor and in supply hose. fan are running before pushing in 3. Unplug heater. automatic control valve button. TO RESTART HEATER Flames could flash outside heater 1. Wait five minutes after stopping heater. if motor and fan are not running. 2. Repeat steps under To Start Heater, page 5. 6. Push in and hold automatic control valve bu
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MOTOR MAINTENANCE 1. Remove three screws that attach fan guard to heater shell. WARNINGS 2. Remove motor and fan guard from heater shell • Never service heater while it (see Figure 6). is plugged in, connected to 3. Use hex wrench to loosen set screw which propane supply, operating, or holds fan to motor shaft (see Figure 7). Re- hot. Severe burns and electri- move fan. Be careful not to damage the fan cal shock can occur. blade pitch. • Keep heater clear and free 4. Remove two nuts an
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6. Dry fan thoroughly. SERVICE PROCEDURES 7. Place fan onto motor shaft. Make sure set Continued screw contacts flat surface on motor shaft. 5 Disconnect the green power cord wire from motor Tighten set screw firmly (40-50 inch-pounds and remove black and white wire terminals. [46.08-57.60 kilogram-centimeters]). 6. Discard old motor. 8. Place motor and fan guard into rear of heater 7. Attach green power cord wire to motor. shell. Make sure power cord is properly lo- 8. Attach fan guard to ne
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9. Place motor and fan guard into rear of heater SERVICE PROCEDURES shell (see Motor, page 8, steps 9 and 10). Continued Ignitor Electrode 5. Install new ignitor. Attach ignitor to rear head with ignitor mounting screw. 6. Run ignitor wire from new ignitor through notch in filler panel. Attach ignitor wire to piezo ignitor. Gap 7. Set gap between ignitor electrode and target Area plate to .17" (43.18 cm) (see Figure 12). WARNING: Make sure heater is disconnected from propane supply. Hea
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TROUBLESHOOTING WARNING: Never service heater while it is plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur. OBSERVED FAULT POSSIBLE CAUSE REMEDY Fan does not turn when heater is 1. No electrical power to heater 1. Check voltage to electrical plugged in outlet. If voltage is good, check heater power cord for breaks 2. Fan hitting inside of heater 2. Adjust motor/fan guard to shell keep fan from hitting inside of heater shell. Bend fa
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ACCESSORIES REPLACEMENT PARTS Purchase accessories and parts from your nearest dealer or service center. If they can not supply an WARNING: Use only original accessory or part, either contact your nearest Parts replacement parts. This heater Central (listed in the separate Authorized Service must use design-specific parts. Center booklet) or contact DESA Heating Products Do not substitute or use generic for referral information. parts. Improper replacement DESA Heating Products parts co
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ILLLUSTRATED PARTS BREAKDOWN MODELS 35-FAC, NLP35A, RLLP35A, SPC-35, AND SPC-40 8 9 5 7 10 1 1 6 1 2 12 13 14 15 4 16 5 3 12 www.desatech.com 113855-01A
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PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 11 of this manual. PART NUMBER KEY 35-FAC, NLP35A NO. SPC-35, RLLP35A SPC-40 DESCRIPTION QTY. 1 113832-01 113832-01 Heater Body Kit (Replacement kit will be unpainted) 1 2 113833-01 113833-01 Control Box Assembly 1 3 102445-01 102445-01 Piezo Ignitor 1 4 102334-01 102334-01 Palnut Fastner 1 5 113852-01 113852-01 Hex Nut, 5-28 1 6 113834-
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WARRANTY AND REPAIR SERVICE KEEP THIS WARRANTY Model Serial No. Date of Purchase LIMITED WARRANTY DESA Heating Products warrants this product and any parts thereof, to be free from defects in materials and workmanship for one (1) year from the date of first purchase when operated and maintained in accordance with instructions. This warranty is extended only to the original retail purchaser, when proof of purchase is provided. This warranty covers only the cost of parts and labor required to re
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CALENTADOR DE AIRE FORZADO DE PROPANO PARA CONSTRUCCIÓN MANUAL DEL PROPIETARIO CALENTADOR DE 35/40.000 BTU/H IMPORTANTE: Lea y comprenda este manual antes de ensamblar, encender o dar servicio al calentador. El uso inadecuado del calentador puede causar lesiones graves. Conserve este manual para referencias futuras. ADVERTENCIA GENERAL DE PELIGRO: No cumplir con las precauciones e instrucciones proporcio- nadas con este calentador puede causar la muerte, lesiones físicas graves y pérdidas
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con monóxido de carbono se asemejan a los de la INFORMACIÓN DE gripe, con dolor de cabeza, mareo y/o náusea. Si usted SEGURIDAD presenta estos síntomas, es posible que el calentador no esté funcionando correctamente. ¡Respire aire fresco ADVERTENCIA: Este producto inmediatamente! Compruebe que haya ventilación contiene y/o genera químicos que adecuada y haga que reparen el calentador. el Estado de California reconoce Gas propano: el gas propano es inodoro. Al gas pro- que causan cánce
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INFORMACIÓN DE SEGURIDAD DESEMPAQUE Continuación 1. Retire todos los elementos de empaque aplica- dos al calentador para su envío. Mantenga los 12. Mantenga el área cerca del aparato despejada y libre tapones de plástico (fijados al ensamblaje de de materiales combustibles, gasolina, diluyentes para manguera-regulador y al conector de entrada) pintura y otros vapores y líquidos inflamables. puestos cuando se guarde. 13. No use el calentador en áreas con un contenido alto 2. Saque todos los e
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TEORÍA DEL FUNCIONAMIENTO El sistema de combustible: el ensamblaje de manguera- El sistema de encendido: el encendedor piezoeléctrico regulador se fija al suministro de gas propano. Esto enciende el quemador. proporciona combustible al calentador. El sistema de control automático: este sistema ocasiona El sistema de aire: el motor hace girar el ventilador. El que el calentador se apague si se extingue la llama. ventilador empuja aire al interior y alrededor de la cá- mara de combustión. este ai
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INSTALACIÓN VENTILACIÓN Continuación ADVERTENCIA: Procure tener al esté en posición horizontal (consulte la figura 3). menos una abertura de aire fresco Esto coloca la ventila del regulador en la posición 1 del exterior de 1 /2 pies cuadrados correcta para protegerla de la intemperie. 2 (14 dm ) mientras el calentador está 3. Conecte la manguera a la entrada de la válvula (consulte la figura 4). Apriete firmemente usando una llave. encendido. Si no se procura venti- I M P O R T A N T E :
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FUNCIONAMIENTO Continuación Encendedor s s r r - 5. Abra lentamente la válvula del umini t o de p o piezoeléctrico pano en el (los) tanque(s) de propano. N o t a : si no se abre lentamente, la válvula de exceso de flujo del tanque de propano detendrá el flujo de gas. Es po- sible que se escuche un chasquido al cerrar la válvula de exceso de flujo. Si esto ocurre, reajuste la válvula de exceso de flujo cerrando la válvula de suministro Botón de la de propano y vuelva a abrirla lentamente. válv
