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Desa Tech HEATERS OWNER'S MANUAL - page 1
Sav e this manual for future reference. For more information, visit www .desatech.com KEROSENE HIGH PRESSURE PORT ABLE FORCED AIR HEA TERS OWNER’S MANU AL Fill In For Y our Records Model No. _____________________ (Located on side panel) Serial No. ______________________ (Located on fuel tank) Date of Purchase: _______________ T ABLE OF CONTENTS S ...
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Desa Tech HEATERS OWNER'S MANUAL - page 2
www .desatech.com 1 10098-01G 2 SAFETY INFORMA TION IMPORT ANT : Read this owner ’ s man ual care ful ly and comp lete ly b e f o r e t r y i n g t o a s s e m b l e , operate or service this heater . Improper use of this heater can cause serious injury or death from burns, fire, explosion, e le ct r ic a l sh oc k a nd c ar bo n monoxide poisoni ...
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Desa Tech HEATERS OWNER'S MANUAL - page 3
www .desatech.com 1 10098-01G 3 SAFETY INFORMA TION Continued 1 3 . Keep children and animals away from heater . 14. Never start heater when combustion chamber is hot or if fuel has accumul ated in combust ion chamber . 15. Unplug heater when not in use. 16. This heater has a built-i n thermo stat. Plugged- in heater may start at anytime. 17. Never ...
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Desa Tech HEATERS OWNER'S MANUAL - page 4
www .desatech.com 1 10098-01G 4 THEOR Y OF OPERA TION The Fuel System: The motor turns the fuel pump. The fuel pump pulls fuel from the fuel tank. The 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 . The Air System: The motor turns the fan. The ...
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Desa Tech HEATERS OWNER'S MANUAL - page 5
www .desatech.com 1 10098-01G 5 OPERA TION WA R N I N G : R e v i e w a n d understand the warnings in the Safety Information section, page 2. They are need ed to safely operate this heater . TO ST ART HEA TER 1. Foll ow all vent ilat ion and saf ety inf orma tion . 2. Loca te heater to provide maxim um circul atio n of the heated air . Follow all ...
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Desa Tech HEATERS OWNER'S MANUAL - page 6
www .desatech.com 1 10098-01G 6 OFF ENGINE FUEL F Figure 5 - T ypical Generator Grounding Method (Generator construction may vary from that shown) Ground Lug Ground Wire (#10 AWG - Stranded-Copper) Alternator Copper or Brass Grounding Point OPERA TION WITH PORT ABLE GENERA T OR W ARNING: Before operating heater or any appliance from a portable gene ...
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Desa Tech HEATERS OWNER'S MANUAL - page 7
www .desatech.com 1 10098-01G 7 PREVENT A TIVE MAINTENANCE SCHEDULE W ARNING: 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 ...
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Desa Tech HEATERS OWNER'S MANUAL - page 8
www .desatech.com 1 10098-01G 8 TROUBLESHOO TING W ARNING: 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 surroundi ...
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Desa Tech HEATERS OWNER'S MANUAL - page 9
www .desatech.com 1 10098-01G 9 OBSERVED PROBLEM Heater will not ignite, but motor runs for a short period of time. REMEDY 1. A) Add fuel to tank B) Chec k fuel tank for bubbl es of water in bottom. If found, r e m o v e f u e l ( s e e Storing, T ransporting or Shipping , page 6). Clean tank and fuel filters (see Fuel Filters , page 14). Fill wit ...
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Desa Tech HEATERS OWNER'S MANUAL - page 10
www .desatech.com 1 10098-01G 10 TROUBLESHOO TING Continued 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 POSSIBLE CAUSE 1. Wrong pump pressure 2. Dirty fuel filters 3. Di ...
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Desa Tech HEATERS OWNER'S MANUAL - page 11
www .desatech.com 1 10098-01G 1 1 SERVICE PR OCEDURES W ARNING: Never service hea ter whi le it is plu gge d in, op- era tin g or hot . Sev ere burn s and ele ctr ica l sho ck can occ ur . Only a qu al ifi ed ser vic e pe rs on sho uld ser vic e a nd rep air he ate r . UPPER SHELL REMOV AL 1. Remove screws along each side and top of heater using 5 ...
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Desa Tech HEATERS OWNER'S MANUAL - page 12
www .desatech.com 1 10098-01G 12 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). 1 1. Attach burner head to combustion chamber . 12. Install spark plug in burner head. 13. Attach spark plug wire to spark ...
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Desa Tech HEATERS OWNER'S MANUAL - page 13
www .desatech.com 1 10098-01G 13 FUEL LINES (P roc ed ure f or T ig hte ni ng Fu el Li nes ) 1. Remove upper shell (see Upper Shell Re- moval , page 1 1). 2. Use an adjustable wrench as a backup on fittings. 3. Use 7/16" wrench and tig hten fue l lines at solenoid valve, pump and fuel filter canister (if equipped) (see Figures 15 and 16). SE ...
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Desa Tech HEATERS OWNER'S MANUAL - page 14
www .desatech.com 1 10098-01G 14 Fuel Filter Fuel Lines Figure 17 - Removing T ank Fuel Filter Fuel Pump (Filter Under Cover) Figure 19 - Fuel Pump and Filter Pump Cover Fuel Filter FUEL FIL TERS A. T ank Fuel Filter 1. Dis conn ect fuel line s from pump and fuel filte r canister (if equipped) with 7/16" wrench (see Figure 17 or 18). 2. Caref ...
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Desa Tech HEATERS OWNER'S MANUAL - page 15
www .desatech.com 1 10098-01G 15 MAINTENANCE KITS Kit Part Number Flame-Out Control HA3003 Spark Plug HA3012 TECHNICAL SERVICE Y ou may have further questions about installa tion, operation or troubleshooting. If so, contact DESA Heating Productsʼ T echnical Service Department at 1-866-67 2-6040 . When calling please have your model and serial num ...
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Desa Tech HEATERS OWNER'S MANUAL - page 16
www .desatech.com 1 10098-01G 16 ILL USTRA TED P ARTS BREAKDOWN MODELS B350D, SB350D AND R350A 1 2 2 4 5 21 2 7 8 9 10 13 1 1 12 14 15 16 19 20 21 4 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 37 38 34 2 39 2 40 4 6 20 13 3 17 18 41 ...
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Desa Tech HEATERS OWNER'S MANUAL - page 17
www .desatech.com 1 10098-01G 17 KEY NO. P ART NO. DESCRIPTION QTY . 1 108436-02 Upper shell model B350D/SB350D (Y ellow) 1 108436-01 Upper shell model R350A (White) 1 2 M1 1084-27 Screw , #10-16 x 1/2" 15 3 M50542-01 Combustion chamber & shield 1 4 M30865-02 Bushing 7 5 M50086 Air deflector 5 6 ** Burner head assembly 1 7 M16656-17 Photo ...
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Desa Tech HEATERS OWNER'S MANUAL - page 18
www .desatech.com 1 10098-01G 18 ILL USTRA TED P ARTS BREAKDOWN MODELS B600D, SB600D AND R600A 1 2 2 3 4 5 13 6 7 45 46 8 9 10 1 1 13 14 21 18 17 15 16 23 22 24 25 33 2 4 28 30 26 27 34 25 16 2 35 36 41 42 15 43 43 44 39 38 37 15 29 12 40 2 19 20 2 4 31 32 47 ...
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Desa Tech HEATERS OWNER'S MANUAL - page 19
www .desatech.com 1 10098-01G 19 KEY NO. P ART NO. DESCRIPTION QTY . 1 108396-02 Upper shell model B600D/SB600D (Y ellow) 1 108396-01 Upper shell model R600A (White) 1 2 M1 1084-27 Screw , #10-16 x 1/2" 28 3 * Combustion chamber & shield 1 4 M30865-02 Bushing 5 5 M50157 Air deflector 5 6 ** Burner head assembly 1 7 104679-01 Photocell ass ...
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Desa Tech HEATERS OWNER'S MANUAL - page 20
www .desatech.com 1 10098-01G 20 4 9 8 7 6 5 3 1 2 KEY NO. P ART NO. DESCRIPTION QTY . 1 M10908-2 Screw, #6-32 x 3/8" (350,000 Btu/Hr Only) 2 2 103154-05 Photocell Bracket (350,000 Btu/Hr Only) 1 3 HA3012 Spark Plug 1 4 M501 12 Nozzle (350,000 Btu/Hr) 1 M30765 Nozzle (600,000 Btu/Hr) 1 5 M51 170-01 Plug 1 6 M50924-02 Burner Head Body 1 7 69246 ...
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Desa Tech HEATERS OWNER'S MANUAL - page 21
www .desatech.com 1 10098-01G 21 8 1 1 9 (10 inside) 7 14 16 19 18 17 (3) 13 12 15 21 22 (2) 6 2 3 5 4 1 20 KEY NO. P ART NO. DESCRIPTION QTY . 1 097492-03 Wiring cover 1 2 HF5-5C Screw , 5/16-24 x 5/16" 4 3 WLE-5 External lockwasher , 5/16" 4 4 M1 1084-26 Screw , #10-16 x 3/8" 3 5 099562-01 Motor (350,000 Btu/Hr) 1 099562-02 Motor ( ...
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Desa Tech HEATERS OWNER'S MANUAL - page 22
www .desatech.com 1 10098-01G 22 4 1 2 3 5 6 7 8 9 10 1 1 12 8 13 14 15 16 17 18 20 19 (3) 21 22 23 24 25 (2) P ARTS LIST MOTOR AND PUMP ASSEMBL Y 350,000 AND 600,000 BTU/HR For Heaters With Fuel Filter/Canister External T o Pump KEY NO. P ART NO. DESCRIPTION QTY . 1 097492-03 Wiring cover 1 2 HF5-5C Screw , 5/16-24 x 5/16" 4 3 WLE-5 External ...
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Desa Tech HEATERS OWNER'S MANUAL - page 23
www .desatech.com 1 10098-01G 23 SPECIFICA TIONS 35 0, 00 0 Bt u/H r 600,000 Btu/Hr Output Rating (Btu/Hr) 350,000 600,000 Fuel Use only kerosene or #1 fuel oil Fuel T ank 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 1 1 Motor RPM 1725 1725 Fuel Pump Pres ...
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Desa Tech HEATERS OWNER'S MANUAL - page 24
2701 Industrial Drive P .O. Box 90004 Bowling Green, KY 42102-9004 www .desatech.com 1 10098-01 Rev . G 04/05 NOT A UPC WARRANTY AND REP AIR SER VICES 110098 01 WARRANTY SERVICE Should your heater require service, return it to your nearest authorized service center . Proof of purchase must be presented with the heater . The heater will be inspected ...
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