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Desa Tech SB350D Owner's Manual

Desa owner's manual high pressure portable forced air heaters sb350d, sb600d.

 
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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Summary of Contents

  • Page 1

    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.

  • Page 2

    HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR SAFETY INFORMATION WARNINGS WARNING ICON G 001 IMPORTANT: Read this Owner’s Manual carefully and completely before trying to assemble, oper- ate, or service this heater. Im- proper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide...

  • Page 3

    PRODUCT IDENTIFICATION Hot Air Outlet Lower Shell Fuel Cap Thermostat Figure 1 - 350,000 Btu/Hr Model Hot Air Outlet Lower Shell Fuel Cap Thermostat Figure 2 - 600,000 Btu/Hr Model 106029 OWNER’S MANUAL Upper Shell Motor and Pump Assembly Power Cord Fuel Tank Flame-Out Control Reset Button...

  • Page 4

    HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR THEORY OF OPERATION 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.

  • Page 5

    OPERATION WARNING: Review and un- derstand the warnings in the Safety Information section, page 2. They are needed to safely op- erate this heater. To Start Heater 1. Follow all ventilation and safety infor- mation. 2. Fill fuel tank with kerosene or No. 1 fuel oil.

  • Page 6

    HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR PREVENTATIVE MAINTENANCE SCHEDULE Item Fuel tank Filler neck screen Fuel filter assembly (Fuel tank) Fuel filter lines Fuel filter (Pump) Spark plug Fan blades and air deflectors Air passages around burner head Motor WARNING: Never service heater while it is plugged in, op-...

  • Page 7

    TROUBLESHOOTING Note: For additional help, visit DESA International’s Technical Service web site at www.desatech.com. OBSERVED PROBLEM Motor does not start when heater is plugged in and thermostat setting is higher than surrounding air temperature 106029 OWNER’S MANUAL WARNING: Never service heater while it is plugged in, operating, or hot.

  • Page 8

    HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR TROUBLESHOOTING Continued OBSERVED PROBLEM Heater will not ignite, but motor runs for a short period of time. POSSIBLE CAUSE 1. A) Fuel tank empty B) Water in fuel C) Wrong fuel 2.

  • Page 9: See Fuel Filters, Filter

    TROUBLESHOOTING 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 106029 OWNER’S MANUAL POSSIBLE CAUSE 1.

  • Page 10

    HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR 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.

  • Page 11

    SERVICE PROCEDURES Continued Pump Pressure Adjustment 1. Remove pressure gage plug from fuel pump port marked “GAGE.” 2. Install accessory pressure gage (part number M4574) to fuel pump port marked “GAGE” (see Figure 10). Start heater (see Operation, page 5). Allow motor to reach full speed.

  • Page 12

    HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR SERVICE PROCEDURES Continued Fuel Lines (Procedure for tightening fuel lines) 1. Remove upper shell (see page 10). 2. Use an adjustable wrench as a backup on 90° fittings. 3. Use 7/16" wrench and tighten fuel lines at solenoid valve (see Figure 13), pump, and pump fuel filter assembly (see Fig- ure 14).

  • Page 13

    Purchase this heater accessory from your nearest dealer or service center. If they can- not supply this accessory, either contact your nearest Parts Central or DESA International's Parts Department at 1-800- 972-7879 for information. Parts Centrals are listed in the Authorized Service Center booklet supplied with heater.

  • Page 14

    HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR ILLUSTRATED PARTS BREAKDOWN SB350D 350,000 BTU/HR 106029...

  • Page 15

    SB350D 350,000 BTU/HR REF. †Not available as complete assembly. See page 18. 106029 OWNER’S MANUAL PART NO. DESCRIPTION 099329-02 Upper shell model SB350D (Yellow) M11084-27 Screw, #10-16 x 1/2" M50542-01 Combustion chamber & shield M30865-02 Bushing M50086 Air deflector †...

  • Page 16

    HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR ILLUSTRATED PARTS BREAKDOWN SB600D 600,000 BTU/HR 106029...

  • Page 17

    PARTS LIST SB600D 600,000 BTU/HR 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. 106029 OWNER’S MANUAL REF. PART NO. DESCRIPTION 099329-04 Upper shell model SB600D (Yellow) M11084-27 Screw, #10-16 x 1/2"...

  • Page 18

    HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR 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) 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...

  • Page 19

    OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 106029...

  • Page 20

    Proof of purchase must be presented with the heater. The heater will be inspected. A defect may be caused by faulty materials or workmanship. If so, DESA Interna- tional will repair or replace the heater without charge. If they cannot supply original replacement part(s), either contact your nearest Parts Central or call DESA International’s Technical...

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