KEROSENE HIGH PRESSURE PORTABLE FORCED AIR HEATERS OWNER’S MANUAL TABLE OF CONTENTS Safety Information ............................................... 2 Product Identification ........................................... 3 Unpacking ........................................................... 3 Operation ............................................................. 3 Fuels .................................................................... 4 Ventilation .......................................................
SAFETY INFORMATION IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock and carbon monoxide poisoning. WARNING: This product contains and/or generates chemicals known to the State of California to cause cancer or birth defects or other reproductive harm.
SAFETY INFORMATION UNPACKING Continued 1. Remove all protective packing applied to heater for shipment. 2. Remove heater from shipping container. 3. Check heater for any shipping damage. If heater is damaged, promptly inform dealer where you bought heater.
FUELS TO START HEATER WARNING: Use only kerosene, #1#2 diesel/fuel oil, JET A or JP-8 fuels to avoid risk of fire or explosion. Never use gasoline, naphtha, paint thinners, alcohol or other highly flammable fuels. Do not use heavy fuels such as No. 2 fuel oil or No. 2 diesel. Using heavy fuels will result in: • clogged fuel filter and nozzle • carbon build-up on spark plug • the need of non-toxic anti-icer in fuel during very cold weather IMPORTANT: Use a KEROSENE ONLY storage container.
OPERATION STORING, TRANSPORTING OF SHIPPING Continued Flame-Out Control Reset Button Figure 4 - Flame-Out Control Reset Button TO STOP HEATER CAUTION: Never unplug heater while heater is running. Heater must go through purge cycle. The purge cycle cools the combustion chamber. Damage to heater can occur if combustion chamber is not cooled. Do not restart heater until purge cycle is complete. 1. Turn thermostat dial to lowest temperature setting. This will cause heater flame to go out.
OPERATION WITH PORTABLE GENERATOR The operating voltage range of the heater is 108 to 132 Volts (120 Volts +/- 10%). Prior to plugging heater into generator the output voltage should be verified (if generator is equipped with the automatic idle feature, the output voltage should be measured with the generator running at full speed). F U WARNING: Before operating heater or any appliance from a portable generator, verify that generator has been properly connected to earth ground.
TROUBLESHOOTING WARNING: Never service heater while it is plugged in, operating or hot. Severe burns and electrical shock can occur. Only a qualified service person should service and repair heater. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Motor does not start when heater 1. No power or low voltage at 1. A) Check condition of power is plugged in and thermostat setcord or extension cord.
TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater will not ignite, but motor 1. A) Fuel tank empty B) Water in fuel runs for a short period of time. C) Wrong fuel 2. 3. 4. 5. 6. 7. 8. 1. A) Add fuel to tank B) Check fuel tank for bubbles of water in bottom. If found, remove fuel (see Storing, Transporting, or Shipping, page 5). Clean tank and fuel filters (see Fuel Filters, page 12). Fill with clean fuel C) Remove wrong fuel (see Storing, Transporting, or Shipping, page 5).
TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE Heater ignites, but flame-out 1. Wrong pump pressure control shuts off heater after a short period of time 2. Dirty fuel filters 3. Dirt in nozzle 4. Dirty photocell lens 5. Open or damaged photocell 6. Bad flame-out control 7. Damaged fan switch REMEDY 1. Adjust pump pressure (see Pump Pressure Adjustment sections, page 11) 2. Clean fuel filters (see Fuel Filters, page 12) 3. Replace nozzle (see Nozzle, page 10) 4.
SERVICE PROCEDURES WARNING: Never service heater while it is plugged in, operating or hot. Severe burns and electrical shock can occur. Only a qualified service person should service and repair heater. UPPER SHELL REMOVAL 1. Remove screws along each side and top of heater using 5/16" nut-driver. These screws attach upper and lower shells together (see Figure 6). 2. Lift upper shell off. SPARK PLUG 1. Remove upper shell (see Upper Shell Removal). 2. Remove spark plug wire from spark plug (see Figure 8). 3.
SERVICE PROCEDURES Continued 8. Inspect nozzle for damage. If damaged or clogged, replace nozzle. 9. Make sure plug is in place on burner head. 10. Replace nozzle into burner head and tighten firmly (175-200 inch-pounds). 11. Attach burner head to combustion chamber. 12. Install spark plug in burner head. 13. Attach spark plug wire to spark plug. 14. Attach fuel line to solenoid valve. Tighten firmly. 15. Replace upper shell. PUMP PRESSURE ADJUSTMENT FOR HEATERS WITH FUEL FILTER/ CANISTER EXTERNAL TO PUMP 1.
SERVICE PROCEDURES Continued PUMP (Procedure if Pump is Binding) 1. Remove upper shell (see Upper Shell Removal, page 10). 2. Loosen hex screw on flange clamp at rear of motor with 5/16" nut-driver (see Figure 13). 3. Turn fan with hand (see Figure 14). 4. If fan turns freely, tighten screw on flange clamp. 5. If fan does not turn freely, replace pump. 6. Replace upper shell. Hex Screw On Flange Clamp FUEL LINES (Procedure for Tightening Fuel Lines) 1. Remove upper shell (see Upper Shell Removal, page 10).
SERVICE PROCEDURES Continued FUEL FILTERS A. Tank Fuel Filter 1. Disconnect fuel lines from pump and fuel filter canister (if equipped) with 7/16" wrench (see Figures 17 or Figure 18 on page 13). 2. Carefully pry fuel filter loose from fuel tank with flat end of screwdriver. 3. Inspect fuel filter for water or dirt. 4. Rinse fuel filter and fuel lines with clean kerosene. 5. Replace fuel filter into fuel tank. 6. Connect fuel lines to pump and fuel filter canister (if equipped). B.
ILLUSTRATED PARTS BREAKDOWN MODELS B350D, SB350D AND R350A 2 1 2 3 4 5 9 21 2 6 7 8 19 10 20 14 4 21 13 22 11 12 15 25 13 16 23 17 26 31 30 28 27 18 24 29 20 32 33 34 2 41 34 39 35 36 38 37 2 40 4 37 14 www.desatech.
PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Repair Service on the back page of this manual. MODELS B350D, SB350D AND R350A KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 PART NO.
ILLUSTRATED PARTS BREAKDOWN MODELS B600D, SB600D AND R600A 1 2 2 3 4 5 9 13 2 6 8 45 7 15 10 46 16 14 4 13 18 24 12 11 17 19 2 21 23 4 22 25 20 28 26 31 27 32 33 34 30 25 29 16 47 35 36 2 37 15 38 15 39 41 42 44 43 2 43 16 40 www.desatech.
PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Repair Service on the back page of this manual. MODELS B600D, SB600D AND R600A KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 PART NO.
ILLUSTRATED PARTS BREAKDOWN AND PART LIST BURNER HEAD ASSEMBLY 350,000 AND 600,000 BTU/HR 3 4 1 5 6 2 7 8 REF NO. 1 2 3 4 5 6 7 8 9 18 PART NO. 9 DESCRIPTION Screw, #6-32 x 3/8" (350,000 Btu/Hr Only) 099229-01 Photocell Bracket (350,000 Btu/Hr Only) HA3012 Spark Plug M50112 Nozzle (350,000 Btu/Hr) M30765 Nozzle (600,000 Btu/Hr) M51170-01 Plug M50924-02 Burner Head Body 69246 Straight Nipple M50077 Solenoid Valve M50297 Compression Elbow QTY. M10908-2 www.desatech.
ILLUSTRATED PARTS BREAKDOWN AND PART LIST MOTOR AND PUMP ASSEMBLY 350,000 AND 600,000 BTU/HR HEATERS WITH FUEL FILTER INTERNAL TO PUMP 2 3 5 1 6 9 (10 inside) 4 8 7 18 17 (3) 11 12 19 16 20 13 14 21 15 22 (2) REF. NO. 1 2 3 4 5 PART NO.
PART LIST MOTOR AND PUMP ASSEMBLY 350,000 AND 600,000 BTU/HR For Heaters With Fuel Filter/Canister External To Pump 2 3 5 1 10 11 9 6 8 14 4 7 20 12 19 (3) 22 18 17 13 8 21 15 24 23 16 25 (2) REF. NO. PART NO.
SPECIFICATIONS 350,000 Btu/Hr 600,000 Btu/Hr Output Rating (Btu/Hr) 350,000 600,000 Fuel Use only kerosene, #1#2 diesel/fuel oil, JET A or JP-8 fuels Fuel Tank Capacity (U.S. Gallons) 30 36 Fuel Consumption (Gallons Per Hr) 2.5 4 Electric Requirements 120V/60 Hz 120V/60 Hz Amperage (Normal Run) 7.1 11 Motor RPM 1725 1725 Fuel Pump Pressure (PSI) 100 110 Spark Plug Gap .075" .075" Weight (approx. lbs.
MAINTENANCE KITS Kit Part Number Flame-Out Control Spark Plug HA3003 HA3012 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 Productsʼ Technical Services web site at www.desatech.com.
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WARRANTY AND REPAIR SERVICES 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 restore the product to proper operating condition.
