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HIGH PRESSURE
PORTABLE
FORCED
AIR HEATERS
OWNER’S MANUAL
600 SIDE
PV 027
350 SIDE
PV 026
Heater Sizes: 350,000 and 600,000 Btu/Hr
Models: SB350D and SB600D
IMPORTANT: Read and understand this manual before assembling, start-
ing, or servicing heater. Improper use of heater can cause serious injury.
Keep this manual for future reference.
®
G 004
ARL LOGO
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HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR d)During fueling, all fuel lines and fuel- • Minimum heater clearances from com- SAFETY line connections shall be inspected bustibles: INFORMATION for leaks. Any leaks shall be repaired Outlet: 8 Ft. Sides: 4 Ft. prior to returning the heater to ser- Top: 4 Ft. Rear: 4 Ft. vice. WARNINGS WARNING ICON G 001 • Locate heater on a stable and level sur- e) At no time shall more than one day's face while hot or running or a fire ma
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OWNER’S MANUAL PRODUCT UNPACKING 1. Remove all protective packing applied IDENTIFICATION to heater for shipment. Hot Air Outlet 2. Remove heater from shipping con- tainer. Upper Shell 3. Check heater for any shipping damage. If heater is damaged, promptly inform dealer where you bought heater. Lower Shell Motor and Pump Assembly Fuel Cap Thermostat Power Cord Figure 1 - 350,000 Btu/Hr Model Fuel Tank Flame-Out Control Hot Air Outlet Reset Button Upper Shell Motor and Pump Assembly Lower Shell Fu
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HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR THEORY OF FUELS VENTILATION OPERATION WARNING: Use only kerosene WARNING: Follow the mini- The Fuel System: The motor turns the or No. 1 fuel oil to avoid risk of fire mum fresh, outside air ventila- fuel pump. The fuel pump pulls fuel from or explosion. Never use gaso- tion requirements. If proper fresh, the fuel tank. The fuel pump pushes fuel line, naphtha, paint thinners, al- outside air ventilation is not pro- through a fil
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OWNER’S MANUAL Note: If starting heater for first time, you To Restart Heater OPERATION may need to restart heater several times before heater ignites. You may also have to CAUTION: Do not restart WARNING: Review and un- do this after taking heater out of storage. To heater until purge cycle is derstand the warnings in the facilitate starting, remove the canister bot- finished. The purge cycle cools Safety Information section, page tom from the pump's fuel filter and fill with the combustion cha
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HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR PREVENTATIVE WARNING: Never service heater while it is plugged in, op- MAINTENANCE erating, or hot. Severe burns and SCHEDULE electrical shock can occur. Item How Often How To Fuel tank Flush every 150-200 hours of operation or See Storing, Transporting, or Shipping, page 5 as needed Filler neck screen Check for particles in fuel when filling fuel Lift out of fuel tank and rinse with clean tank. Clean when dirty kerosene Fuel fil
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OWNER’S MANUAL TROUBLESHOOTING WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Only a qualified service Note: For additional help, visit DESA person should service and repair heater. International’s Technical Service web site at www.desatech.com. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Motor does not start when heater is plugged 1. No power or low voltage at heater due to: 1. A) Check condition of power cord or in and thermosta
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HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater will not ignite, but motor runs for a 1. A) Fuel tank empty 1. A) Add fuel to tank short period of time. B) Water in fuel B) Check fuel tank for bubbles of water C) Wrong fuel 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 (se
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OWNER’S MANUAL TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater ignites, but flame-out control shuts 1. Wrong pump pressure 1. Adjust pump pressure (see Pump Pres- off heater after a short period of time sure Adjustment, page 11) 2. Dirty fuel filters 2. Clean fuel filters (see Fuel Filters, page 12) 3. Dirt in nozzle 3. Replace nozzle (see Nozzle, page 10) 4. Dirty photocell lens 4. Clean photocell lens with clean cotton swab 5. Open or damaged photocell 5. Replace photocel
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HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR Fan Blades and Air Deflectors Nozzle SERVICE 1. Remove upper shell (see column 1). 1. Remove upper shell (see column 1). PROCEDURES 2. Clean fan blades and air deflectors with 2. Remove fuel line from solenoid valve clean, soft cloth moistened with kero- using 7/16" wrench. WARNING: Never service sene or solvent (see Figure 6). 3. Remove spark plug wire from spark heater while it is plugged in, op- 3. Dry fan blades and air deflec
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OWNER’S MANUAL Pump SERVICE (Procedure if Pump is Binding) PROCEDURES 1. Remove upper shell (see page 10). Continued 2. Loosen hex screw on flange clamp at Pump Pressure Adjustment rear of motor with 5/16" nut-driver (see Figure 11). 1. Remove pressure gage plug from fuel Pressure pump port marked “GAGE.” 3. Turn fan with hand (see Figure 12). Gage 2. Install accessory pressure gage (part 4. If fan turns freely, tighten screw on number M4574) to fuel pump port flange clamp. marked “GAGE” (see Fig
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HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR B. Pump Fuel Filter Fuel Filters SERVICE 1. Unscrew canister bottom from canis- A. Tank Fuel Filter PROCEDURES ter top with adjustable pliers. 1. Disconnect fuel lines from pump and Continued 2. Remove fuel filter and gasket from can- pump fuel filter assembly with 7/16" ister bottom (see Figure 16). wrench (see Figure 15). Fuel Lines 3. Inspect canister bottom and fuel filter 2. Carefully pry fuel filter loose from fuel (Procedure
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OWNER’S MANUAL SPECIFICATIONS MAINTENANCE 350,000 Btu/Hr 600,000 Btu/Hr KITS Output Rating (Btu/Hr) 350,000 600,000 Kit Part Number Fuel Use Only Kerosene or No. 1 Fuel Oil Flame-Out Control HA3003 Fuel Tank Capacity (U.S. Gallons) 30 36 Spark Plug HA3012 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 ACCESSORY Fuel Pump Pressure (PSI) 100 110 Purchase this heater accessory from your Spark Plug Gap .075" .075"
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HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR ILLUSTRATED 2 PARTS 1 BREAKDOWN 2 SB350D 350,000 BTU/HR 3 4 5 21 9 2 6 7 8 19 10 20 14 4 21 13 12 22 11 15 25 13 16 23 17 26 30 18 28 31 24 27 29 20 41 32 34 2 39 33 34 35 4 2 40 36 38 37 37 106029 14
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OWNER’S MANUAL This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed PARTS LIST under Repair Service on the back page of this manual. SB350D 350,000 BTU/HR REF. NO. PART NO. DESCRIPTION QTY. 1 099329-02 Upper shell model SB350D (Yellow) 1 2 M11084-27 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 M16656-18 Photocell assembly 1 8 M50121 Fan 1 9
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HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR ILLUSTRATED PARTS 1 BREAKDOWN 2 2 SB600D 600,000 BTU/HR 3 4 5 9 13 2 6 8 45 7 15 10 46 14 16 4 13 12 11 17 18 19 24 2 21 23 4 20 22 28 25 26 31 27 32 33 34 30 25 29 47 16 35 37 2 38 36 15 15 39 41 40 42 44 43 2 43 106029 16
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OWNER’S MANUAL PARTS LIST REF. NO. PART NO. DESCRIPTION QTY. SB600D 1 099329-04 Upper shell model SB600D (Yellow) 1 600,000 BTU/HR 2 M11084-27 Screw, #10-16 x 1/2" 28 3 M50543-01 Combustion chamber & shield 1 This list contains replaceable parts used in 4 M30865-02 Bushing 5 your heater. When ordering parts, follow 5 M50157 Air deflector 5 the instructions listed under Repair Service 6 † Burner head assembly 1 on the back page of this manual. 7 104679-01 Photocell assembly 1 8 M50194 Fan 1 9
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HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR Burner Head Assembly 350,000 and 600,000 Btu/Hr 3 REF NO. PART NO. DESCRIPTION QTY. 1 M10908-2 Screw, #6-32 x 3/8" 1 (350,000 Btu/Hr Only) 2 4 2 099229-01 Photocell bracket 5 (350,000 Btu/Hr Only) 1 2 6 3 HA3012 Spark plug 1 4 M50112 Nozzle (350,000 Btu/Hr) 1 M30765 Nozzle (600,000 Btu/Hr) 1 7 5 M51170-01 Plug 1 6 M50924-02 Burner head body 1 8 7 69246 Straight nipple 1 9 8 M50077 Solenoid valve 1 Figure 18 - Burner Head
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OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________
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WARRANTY AND REPAIR SERVICE PARTS AND SERVICE UNDER WARRANTY LIMITED WARRANTY Should your heater require service, return it to your nearest DESA International warrants this product and any parts authorized service center. Proof of purchase must be presented thereof, to be free from defects in materials and workman- with the heater. The heater will be inspected. A defect may be ship for one (1) year from the date of first purchase when caused by faulty materials or workmanship. If so, DESA Interna
