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KEROSENE HIGH PRESSURE PORTABLE FORCED AIR
Safety Information ............................................... 2
Product Identification ........................................... 3
Unpacking ........................................................... 3
Theory of Operation ............................................ 4
Fuels .................................................................... 4
Ventilation ........................................................... 4
Operation ........................................................... 5
Storing, Transporting of Shipping ........................ 6
Operation with Portable Generator ...................... 6
Preventative Maintenance Schedule ................... 7
HEATERS OWNER'S MANUAL
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Model No. _____________________
Serial No. ______________________
Date of Purchase: _______________
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For more information, visit www.desatech.com
Troubleshooting ................................................... 8
Service Procedures ............................................11
Maintenance Kits .............................................. 15
Technical Service .............................................. 15
Accessory .......................................................... 15
Replacement Parts ............................................ 15
Illustrated Parts Breakdown and Parts List ....... 16
Specifications ................................................... 23
Wiring Diagram .................................................. 23
Warranty and Repair Services .............Back Cover
(Located on side panel)
(Located on fuel tank)
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Summary of Contents for Desa Tech HEATERS
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Page 1: Table Of Contents
KEROSENE HIGH PRESSURE PORTABLE FORCED AIR HEATERS OWNER’S MANUAL Safety Information ... 2 Product Identification ... 3 Unpacking ... 3 Theory of Operation ... 4 Fuels ... 4 Ventilation ... 4 Operation ... 5 Storing, Transporting of Shipping ... 6 Operation with Portable Generator ... -
Page 2: Safety Information
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... -
Page 3: Product Identification
SAFETY INFORMATION Continued 13. Keep children and animals away from heater. 14. Never start heater when combustion chamber is hot or if fuel has accumulated in combustion chamber. 15. Unplug heater when not in use. 16. This heater has a built-in thermostat. Plugged- in heater may start at anytime. -
Page 4: Theory Of Operation
THEORY OF OPERATION The motor turns the fuel pump. The fuel pump pulls fuel from the fuel tank. The The Fuel System: fuel pump pushes fuel through a filter and a solenoid valve and out the burner head nozzle. A fine mist of fuel is sprayed into the combustion chamber. -
Page 5: Operation
OPERATION WARNING: Review and understand the warnings in the Safety Information section, page 2. They are needed to safely operate this heater. TO START HEATER 1. Follow all ventilation and safety information. 2. Locate heater to provide maximum circulation of the heated air. Follow all location require- ments noted in Safety Information, page 2. -
Page 6: Storing, Transporting Of Shipping
Alternator Figure 5 - Typical Generator Grounding Method (Generator construction may vary from that shown) www.desatech.com Ground Lug Copper or Brass Grounding Point Ground Wire (#10 AWG - Stranded-Copper) 110098-01G... -
Page 7: Preventative Maintenance Schedule
PREVENTATIVE MAINTENANCE SCHEDULE WARNING: Never service heater while it is plugged in, operating or hot. Severe burns and electrical shock can occur. Item Fuel tank Filler neck screen Fuel filter assembly (Fuel tank) Fuel filter lines Fuel filter (In pump or ex- ternal canister) Spark plug Fan blades and air... -
Page 8: 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 Motor does not start when heater is plugged in and thermostat set- ting is higher than surrounding air temperature TROUBLESHOOTING... - Page 9 OBSERVED PROBLEM Heater will not ignite, but motor runs for a short period of time. 110098-01G TROUBLESHOOTING Continued POSSIBLE CAUSE 1. A) Fuel tank empty B) Water in fuel C) Wrong fuel 2. Dirt in nozzle 3. Very low temperature may cause fuel to thicken and not flow 4.
- Page 10 OBSERVED PROBLEM Heater ignites, but flame-out control shuts off heater after a short period of time Heater burns, but puffs of smoke can be seen Heater does not burn steady Heater burns with odor Heater smokes continuously TROUBLESHOOTING Continued POSSIBLE CAUSE 1.
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Page 11: Service Procedures
SERVICE PROCEDURES WARNING: Never service heater while it is plugged in, op- erating 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"... -
Page 12: Pump Pressure Adjustment
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. - Page 13 SERVICE PROCEDURES Continued Figure 14 - Turning Fan with Hand 110098-01G FUEL LINES (Procedure for Tightening Fuel Lines) 1. Remove upper shell (see Upper Shell Re- moval, page 11). 2. Use an adjustable wrench as a backup on fittings. 3. Use 7/16" wrench and tighten fuel lines at solenoid valve, pump and fuel filter canister (if equipped) (see Figures 15 and 16).
- Page 14 Fuel Pump (Filter Under Cover) Figure 17 - Removing Tank Fuel Filter www.desatech.com Fuel Lines Fuel Filter 110098-01G...
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Page 15: Maintenance Kits
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 Techni- cal Services web site at www.desatech.com ACCESSORY Purchase this heater accessory from your nearest dealer or service center. -
Page 16: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN MODELS B350D, SB350D AND R350A www.desatech.com 110098-01G... -
Page 17: 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 PART NO. 108436-02 108436-01 M11084-27 M50542-01 M30865-02 M50086 M16656-17 M50121 108446-01 M51336-02... - Page 18 ILLUSTRATED PARTS BREAKDOWN MODELS B600D, SB600D AND R600A www.desatech.com 110098-01G...
- Page 19 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 PART NO. 108396-02 108396-01 M11084-27 M30865-02 M50157 104679-01 M50194 106004-01 M51336-02 M51160-01...
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Page 20: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST BURNER HEAD ASSEMBLY 350,000 AND 600,000 BTU/HR PART NO. DESCRIPTION M10908-2 Screw, #6-32 x 3/8" (350,000 Btu/Hr Only) 103154-05 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... - Page 21 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST MOTOR AND PUMP ASSEMBLY 350,000 AND 600,000 BTU/HR HEATERS WITH FUEL FILTER INTERNAL TO PUMP PART NO. 097492-03 Wiring cover HF5-5C WLE-5 M11084-26 Screw, #10-16 x 3/8" 099562-01 Motor (350,000 Btu/Hr) 099562-02 Motor (600,000 Btu/Hr) M50116 099518-05 Motor support (350,000 Btu/Hr) 101552-01 Motor support (600,000 Btu/Hr)
- Page 22 MOTOR AND PUMP ASSEMBLY 350,000 AND 600,000 BTU/HR For Heaters With Fuel Filter/Canister External To Pump PART NO. 097492-03 Wiring cover HF5-5C WLE-5 M11084-26 Screw, #10-16 x 3/8" 099562-01 Motor (350,000 Btu/Hr) 099562-02 Motor (600,000 Btu/Hr) M50116 099518-05 Motor support (350,000 Btu/Hr) 101552-01 Motor support (600,000 Btu/Hr) 57413 M17499-2...
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Page 23: Specifications
Output Rating (Btu/Hr) Fuel Fuel Tank Capacity (U.S. Gallons) Fuel Consumption (Gallons Per Hr) Electric Requirements Amperage (Normal Run) Motor RPM Fuel Pump Pressure (PSI) Spark Plug Gap Weight (approx. lbs.) Dry With Full Fuel Tank RELAY WHITE BLACK BLACK SWITCH PLUG BLACK... -
Page 24: Warranty And Repair Services
WARRANTY AND REPAIR SERVICES LIMITED WARRANTIES FOR NEW AND FACTORY DESA Heating Products warrants this heater and any parts thereof, to be free of defects in materials New Products: and workmanship for one (1) year from the date of first purchase, when operated and maintained in accordance with the manufacturer's instructions.