Page 2 - CONTENTS; SECTION
2 099565 CONTENTS SECTION PAGE Safety Information .................................................................................... 3 Product Identification ............................................................................... 4 Unpacking ...................................................
Page 3 - WARNINGS; DANGER; Carbon monoxide poisoning may lead to death!
3 099565 SAFETY INFORMATION WARNING ICON G 001 WARNINGS WARNING ICON G 001 DANGER Carbon monoxide poisoning may lead to death! IMPORTANT: Read this Owner’s Manual carefully and completelybefore trying to assemble, operate, or service this heater. Improperuse of this heater can cause serious injury o...
Page 4 - TOOLS NEEDED
4 099565 PRODUCT IDENTIFICATION Upper Shell Hot Air Outlet Lower Shell Fuel Cap Thermostat Fuel Tank Power Cord Motor andPumpAssembly Safety ControlReset Button Figure 1 - B350EAI BTU/Hr Model UNPACKING 1. Remove all protective packing applied to heater for shipment. 2. Remove heater from shipping c...
Page 5 - ASSEMBLY; Continued
5 099565 Front Handle CotterPin RearHandle Screw Air Inlet Axle ExtendedHub Nut Flat Washer Wheel Spacer Flat Washer Figure 2 - Wheel and Handle Assembly Wheel WheelSupportFrame Fuel TankFlange Hot AirOutlet ASSEMBLY Continued
Page 6 - The motor turns the fuel pump. The fuel pump pulls fuel from; The Ignition System:; The electronic ignitor sends voltage to the spark plug. The; The Safety Control System:; This system causes the heater to shut down if the
6 099565 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 outthe burner head nozzle. A fine mist of fuel is sprayed into the combustion chamber. The Air System: The mot...
Page 7 - FUELS; Use a KEROSENE ONLY storage container. Be sure storage; WARNING; VENTILATION; Fresh Air Opening Requirements; Square
7 099565 FUELS Do not use heavy fuels such as No. 2 fuel oil or No. 2 diesel. Using heavy fuelswill 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. Be sure s...
Page 8 - OPERATION; To Start Heater; Follow all ventilation and safety information.
8 099565 OPERATION To Start Heater 1. Follow all ventilation and safety information. 2. Fill fuel tank with kerosene or No. 1 fuel oil. 3. Attach fuel cap. 4. Set thermostat dial to desired temperature. Note: Thermostat setting must be higher than surrounding air temperature. 5. Plug power cord of h...
Page 9 - To Stop Heater; STORAGE; To Restart Heater; CAUTION
9 099565 To Stop Heater WARNING ICON G 001 CAUTION Never unplug heater while heater is running. Heater must gothrough purge cycle. The purge cycle cools the combustionchamber. Damage to heater can occur if combustion chamber isnot cooled. Do not restart heater until purge cycle is complete. 1. Drain...
Page 10 - How To; PREVENTATIVE; Item
10 099565 How To See Storage, page 9. Lift out of fuel tank and rinse with clean kerosene. See Fuel Filters, page 17. See Fuel Lines, Page 16. See Fuel Filters, page 17. See Spark Plug, page 15. See Fan Blades, page 14. Remove dirt and trash with clean, soft cloth. PREVENTATIVE MAINTENANCE SCHEDULE ...
Page 11 - SHOOTING; POSSIBLE CAUSE
11 099565 OBSERVEDPROBLEM TROUBLE- SHOOTING Motor does notstart when heateris plugged in andthermostat settingis higher thansurrounding airtemperature. 1. No power or low voltage at heater due to:A) Damaged power cordor extension cordB) Wrong size extensioncordC) Heater plugged intooutlet with volta...
Page 14 - Upper Shell Removal; Fan Blades
14 099565 SERVICE PROCEDURES Upper Shell Removal 1. Remove screws along each side and top of heater using 5/16" nut-driver. These screwsattach upper and lower shellstogether (see Figure 5). 2. Lift upper shell off. Figure 5 - Upper Shell Removal Fan Blades 1. Remove upper shell (see above). 2. C...
Page 15 - Spark Plug
15 099565 Nozzle 1. Remove upper shell (see page 14). 2. Remove fuel line from solenoid valve using 7/16"wrench. 3. Remove spark plug wire from spark plug. 4. Remove spark plug from burner head using 13/16"open-end wrench. 5. Remove five (5) screws using 5/16" nut-driver and removeburner...
Page 16 - Pump; Fuel Lines
16 099565 psi Pump (Procedure if pump is binding) 1. Remove upper shell (see page 14). 2. Loosen hex screw on flange clamp at rear of motor with5/16" nut-driver (see Figure11). 3. Turn fan with hand (see Figure 12). 4. If fan turns freely, tighten screw on flange clamp. 5. If fan does not turn f...
Page 17 - Fuel Filters
17 099565 Fuel Filter Fuel Lines Pump Pump FuelFilterAssembly Figure 15 - Removing Tank Fuel Filter B. Pump Fuel Filter 1. Unscrew canister bottom from canister top withChannellock pliers. 2. Remove fuel filter and gasket from canister bottom (seeFigure 16). 3. Inspect canister bottom and fuel filte...
Page 18 - HIGH PRESSURE AIR GAGE - M4574; ACCESSORY
18 099565 WIRING DIAGRAM SPECIFICATIONS 1 3 2 Fan Switch 7 5 B A Motor Relay White Red Orange Orange Red Black White Black White Blue Blue White Black Black Thermostat B R Safety Control Reset Button Red Yellow Yellow White Solenoid Valve White Terminal Board Terminal Board Ignitor White Spark Plug ...
Page 19 - Burner Head Assembly; Motor and Pump Assembly; PARTS LIST
19 099565 4 1 2 3 5 6 7 8 9 10 11 12 8 13 14 15 16 17 18 20 19 21 22 (3) 23 24 25 27 26 28 29 30 31 REF.NO. PART NO. DESCRIPTION QTY. 1 097495-02AA Wiring cover 1 2 HF5-5C Screw, 5/16-24 x 5/16" 4 3 WLE-5 External lockwasher, 5/16" 4 4 M11084-26 Screw, #10-16 x 3/8" 3 5 M50064-07 Motor 1...
Page 22 - NOTES
22 099565 NOTES _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ ____________________________...
Page 24 - WARRANTY AND REPAIR SERVICE; INTERNATIONAL; CERTIFICATE OF GENERAL; DESA
24 099565 WARRANTY AND REPAIR SERVICE 099565-01Rev. C07/94 INTERNATIONAL POSE. IN ANY EVENT IMPLIED WARRANTIES INCLUDINGTHOSE OF MERCHANTABILITY AND FITNESS FOR A PAR-TICULAR PURPOSE ARE LIMITED TO THE DURATION OFTHIS EXPRESS WARRANTY. Any transportation charges, costs of installation, duty, taxes o...