Page 2 - SAFETY INFORMATION; WARNINGS; DANGER: Carbon monoxide poisoning may lead; Carbon Monoxide Poisoning:
105522 2 SAFETY INFORMATION WARNINGS IMPORTANT: Read this owner’s manual carefully andcompletely before trying to assemble, operate, or ser-vice this heater. Improper use of this heater can causeserious injury or death from burns, fire, explosion,electrical shock, and carbon monoxide poisoning. DANG...
Page 3 - Figure 1 - BY35CEH and BY70CEH Models; UNPACKING; Remove all packing items applied to heater for shipment.; FUELS; • clogged fuel filter and nozzle; WARNING: Use only kerosene or No. 1 fuel oil to; PRODUCT IDENTIFICATION
105522 3 3 Side Cover LowerShell FuelCap Hot Air Outlet Upper Shell Power Cord FuelTank FanGuard LowerShell Side Cover FuelTank UpperShell Hot AirOutlet Handle Fan Guard Air FilterEndCover Fuel Cap PowerCord ON/OFF Switchwith Light ON/OFFSwitch withLight PRODUCT IDENTIFICATION Figure 1 - BY35CEH and...
Page 4 - VENTILATION; WARNING: Follow the minimum fresh, outside air; THEORY OF OPERATION; Figure 4 - Cross Section Operational View; ASSEMBLY; Tools Needed; Figure 3 - Wheel and Handle Assembly
105522 4 VENTILATION WARNING: Follow the minimum fresh, outside air ventilation requirements. If proper fresh, outside airventilation is not provided, carbon monoxide poison-ing can occur. Provide proper fresh, outside air ven-tilation before running heater. Provide a fresh air opening of at least 2...
Page 5 - WARNING: Review and understand the warnings; TO START HEATER; Do not store kerosene over summer months for use; OPERATION
105522 5 5 OPERATION WARNING: Review and understand the warnings in the Safety Information section, page 2. They are needed to safely operate this heater. Follow all localcodes when using this heater. TO START HEATER 1. Follow all ventilation and safety information. 2. Fill fuel tank with kerosene o...
Page 6 - Wiring Diagram, page 14; TROUBLESHOOTING; WARNING: Never service heater while it is plugged
105522 6 PREVENTATIVEMAINTENANCE SCHEDULE How To See Storing, Transporting, or Shipping, page 5 See Air Output, Air Intake, and Lint Filters, page 10 See Air Output, Air Intake, and Lint Filters, page 10 See Fuel Filter, page 8 See Fan, page 13 WARNING: Never service heater while it is plugged in, o...
Page 7 - Continued; FAULT CONDITION
105522 7 7 REMEDY 1. Fill tank with kerosene2. See Pump Pressure Adjustment, page 103. See Fuel Filter, page 84. See Nozzle Assembly, page 115. Drain and flush fuel tank with clean kerosene. See Storing, Transporting, orShipping, page 5 6. Check electrical connections. See Wiring Diagram, page 14 7....
Page 8 - UPPER SHELL REMOVAL; Figure 9 - Fuel Filter Removal, BY35CEH and BY70CEH Models; FUEL FILTER; SERVICE PROCEDURES
105522 8 UPPER SHELL REMOVAL 1. Remove screws and lock washers along each side of heaterusing 5/16" nut-driver. These screws attach upper and lowershells together. 2. Lift upper shell off. 3. Remove fan guard. SERVICE PROCEDURES WARNING: Never service heater while it is plugged in, operating, or...
Page 9 - Figure 12 - Ignitor Replacement; CAUTION: Do not bend or strike ignitor element.; Carefully remove replacement ignitor from styrofoam packing.
105522 9 9 SERVICE PROCEDURES Continued IGNITOR 1. Remove upper shell and fan guard (see page 8). 2. Remove fan (see page 13). 3. Remove 4 side cover screws with a 5/16" nut driver. Removeside cover (see Figure 9 or 10, page 8). 4. Disconnect ignitor wires (black) from ignition control assem-bly...
Page 10 - PUMP PRESSURE ADJUSTMENT; Figure 15 - Pressure Gauge Plug and Plastic Cap Removal
105522 10 AIR OUTPUT, AIR INTAKE, AND LINTFILTERS 1. Remove upper shell (see page 8). 2. Remove filter end cover screws using 5/16" nut-driver. 3. Remove filter end cover. 4. Replace air output and lint filters. 5. Wash or replace air intake filter (see Preventative MaintenanceSchedule, page 6)....
Page 11 - Figure 20 - Removing Nozzle/Adapter Assembly; NOZZLE ASSEMBLY; Place plastic hex-body into vise and lightly tighten.; Figure 21 - Nozzle and Nozzle Adapter; Attach nozzle assembly to burner strap.
105522 11 11 SERVICE PROCEDURES Continued Figure 18 - Removing Air and Fuel Line Hoses (BY100CEHModel Only) Figure 20 - Removing Nozzle/Adapter Assembly NOZZLE ASSEMBLY 1. Remove upper shell (see page 8). 2. Remove fan (see page 13). 3. Remove fuel and air line hoses from nozzle assembly (see Fig-ur...
Page 12 - PUMP ROTOR; Note; Figure 22 - Air Hose to Barb FItting
105522 12 PUMP ROTOR (Procedure if Rotor is Binding) 1. Remove upper shell (see page 8). 2. Remove filter end cover screws using 5/16" nut-driver. 3. Remove filter end cover and air filters. 4. Remove pump plate screws using 5/16" nut-driver. 5. Remove pump plate. 6. Remove rotor, insert, an...
Page 13 - Figure 26 - Sanding Rotor; FAN; Remove fan from motor shaft before removing; Figure 28 - Fan Cross Section; IGNITION CONTROL ASSEMBLY; WARNING: Unplug heater before servicing.; Remove Old Assembly; Disconnect the nine wires from the ignition control assembly.; Figure 29 - Removing Cover
105522 13 13 SERVICE PROCEDURES Continued Figure 26 - Sanding Rotor Figure 25 - Gap Adjusting Screw Locations Gap AdjustingScrew Gap AdjustingScrew Blade .076/.101 mm(.003"/.004") GapMeasured WithFeeler Gauge Rotor Sandpaper FAN IMPORTANT: Remove fan from motor shaft before removing motor fr...
Page 14 - CAUTION: Ignition control assembly contains; Installing the New Assembly; Figure 31 - Attaching Circuit Board to Tabs; WIRING DIAGRAM; Ignition Control
105522 14 SERVICE PROCEDURES Continued CAUTION: Ignition control assembly contains electrostatic components. Handle the assembly bythe edges of the printed circuit board. Do not touchany of the quick connect terminals or electroniccomponents. Installing the New Assembly 1. Align the five holes in th...
Page 15 - SPECIFICATIONS
105522 15 15 Output Rating (Btu/Hr\kw) 35,000 (10) 70,000 (20) 100,000 (30) 150,000 (44) Fuel Use Only Kerosene or No. 1 Fuel Oil Fuel Tank Capacity (U.S. Gal./Liters) 3.0/11.4 5.0/18.9 9.0/34 13.5/51.1 Fuel Consumption (Gal. Per Hr./Liters Per Hr.) .28/1.1 .52/1.97 .79/3.0 1.1/4.1 Electric Requirem...
Page 16 - Motor and Pump Assembly; ILLUSTRATED PARTS BREAKDOWN
105522 16 1 2 3 4 5 6 7 8 9 10 11 12 13 16 9-2 9-1 9-3 9-4 9-5 17 18 19 20 21 22 23 24 26 27 28 29 30 34 35 36 32 33 9-6 15 14 31 42 41 43 40 38 37 39 25 ILLUSTRATED PARTSBREAKDOWN BY35CEH MODEL Motor and Pump Assembly 12-11 12-18 12-17 12-16 12-15 12-14 12-13 12-12 12-10 12-1 12-3 12-4 12-5 12-6 12...
Page 17 - PARTS LIST
105522 17 17 PARTS LIST BY35CEH MODEL This list contains replaceable parts used in your heater. When ordering parts, be sure toprovide the correct model and serial numbers (from the model plate), then the part numberand description of the desired part. KEY PART NO. NUMBER DESCRIPTION QTY. 1 M51104-0...
Page 24 - KEY PART; WHEELS AND HANDLES
105522 24 WHEELS AND HANDLES BY100CEH AND BY150CEH MODELS KEY PART PART BY100CEH BY150CEH NO. NUMBER DESCRIPTION QTY. QTY. 1 HA2203 Handles 2 — HA2204 Handles — 2 2 M12345-33 Screw, #10-24 x 1 3 / 4 " 8 8 3 M12342-3 Wheel Support Frame 1 — M12831-3 Wheel Support Frame — 1 4 NTC-3C Hex Nut, #10-2...
Page 25 - EC CONFORMITY DECLARATION
105522 25 25 EC CONFORMITY DECLARATION SGB YOUNGMAN Stanestreet, Slingfold, Horsham West Sussex Rh13 7RD United Kingdom (UK) Manufacturer: DESA International, Inc. 2701 Industrial Drive Bowling Green, KY 42101 U.S.A. Kerosene Portable Forced Air Heaters Model Numbers: BY35CEH, BY70CEH, BY100CEH, BY1...
Page 26 - WARRANTY AND REPAIR SERVICE; CERTIFICATE OF GENERAL; SGB YOUNGMAN; WARRANTY SERVICE; NOT A UPC
105522 26 WARRANTY AND REPAIR SERVICE CERTIFICATE OF GENERAL EQUIPMENT - LIMITED 1 YEAR WARRANTY Printed in U.S.A. EVENT IMPLIED WARRANTIES INCLUDING THOSE OFMERCHANTABILITY AND FITNESS FOR A PARTICULARPURPOSE ARE LIMITED TO THE DURATION OF THISEXPRESS WARRANTY. Any transportation charges, costs of ...