Desa BY150CEH User's Manual
Contents
1. DESCRIPTION Power Cord Strain Relief Bushing Hex Lock Nut 1 4 20 Screw Lockwasher 1 2 Rubber Bumper Side Cover Motor Bracket Bushing Clip Nut Bushing Screw Lockwasher 1 2 Screw 10 32 x 1 2 Lower Shell Rubber Airline Fuel Line Fuel Filter Rubber Bushing Nylon Locknut PCB Support Ignition Control Assembly Fuel Cap Includes Gasket Fuel Tank Shell Heat Shield Nut 10 32 Vinyl Foam Gasket Lockwasher 10 Wire Assembly Brown White ON OFF Switch Switch Cover Wire Assembly White Filler Neck Screen Wire Tie Tradename Decal Decal Package Ignition Control Assembly Fuse 0 4 a PARTS AVAILABLE NOT SHOWN ILLUSTRATED PARTS BREAKDOWN BY100CEH Model ILLUSTRATED PARTS BREAKDOWN BY100CEH MODEL Motor and Pump Assembly 105522 PARTS LIST BY100CEH Model This list contains replaceable parts used in your heater When ordering parts be sure to provide the correct model and serial numbers from the model plate then the part number and description of the desired part PARTS LIST BY100CEH MODEL PART NUMBER 09851 1 257 102432 01 098512 65 103971 01 M10908 2 M16656 24 HA3027 102548 05 M10908 75 102336 01 104054 01 103347 01 102431 01 102042 01 102001 24 079975 02 FHPF3 5C M22009 M22456 1 M50545 M12179 M16545 M8940 M10993 1 M27694 M22997 M12461 31 M12244 1 M11637 M50820 02 M8642. Locate heater on a stable and level surface if heater is hot or running or a fire may occur When moving or storing heater keep heater in a level position or fuel spillage may occur Keep children and animals away from heater Unplug heater when not in use When used with thermostat heater may start anytime Never use heater in living or sleeping areas Never block air inlet rear or air outlet front of heater Never move handle refuel or service a hot operating or plugged in heater Never attach duct work to front or rear of heater 105522 PRODUCT IDENTIFICATION Hot Air Outlet Sas Handle Upper Shell Fan Guard Air Filter ower nd Shell cu Fuel o dd 5 Side Cover ON OFF Switch with Light Z Power 5 Figure 1 BY35CEH and BY70CEH Models Hot Air Outlet Upper Shell ON OFF Switch with Light Figure 2 BY100CEH and BY150CEH Models PRODUCT IDENTIFICATION UNPACKING FUELS UNPACKING 1 Remove all packing items applied to heater for shipment 2 Remove all items from carton 3 Check items for any shipping damage If heater is damaged promptly inform dealer where you bought heater FUELS A WARNING Use only kerosene or No 1 fuel oil to avoid risk of fire or explosion Never use gasoline naphtha paint thinners alcohol or other highly flammable fuels Do not use heavy fuels such as No 2 fuel oil or No 2 Diesel Using
3. PORTABLE FORCED AIR HEATERS OWNER S MANUAL Heater Sizes 35 000 70 000 100 000 150 000 Btu Hr Models BY35CEH BY7OCEH BY100CEH and BY150CEH IMPORTANT Read and understand this manual before assembling starting or servicing heater Improper use of heater can cause serious injury Keep this manual for future reference TABLE OF CONTENTS STORING TRANSPORTING OR SHIPPING PREVENTATIVE MAINTENANCE SCHEDULE TROUBLESHOOTING 6 SERVICE PROCEDURES 8 WIRING DIAGRAM ee eee eee ener tee nnne 14 SPECIFICATIONS eene tes 15 AGGESSORIES ieu tte ee Pineda 15 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST teet e tette 16 WHEELS AND HANDLES esee 24 EC CONFORMITY DECLARATION esee 25 WARRANTY AND REPAIR SERVICE 26 DESA SAFETY INFORMATION SAFETY INFORMATION A WARNINGS IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or ser vice this heater Improper use of this heater can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning A DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxi
4. See Fuel Filter page 8 See Nozzle Assembly page 11 Make sure photocell boot is properly seated in bracket Ne gt A WARNING High voltage Dirty photocell lens Bad electrical connection between photocell and ignition control assembly Defective photocell Defective ignition control assembly 6 Clean photocell lens 7 Check electrical connections See Wiring Diagram page 14 8 Replace photocell 9 Replace ignition control assembly ON OFF switch light does not come on when switch is turned to the ON l position and heater does not start No power to heater 1 Venfy that power cord is plugged into an electrical outlet and that the circuit breaker in the electral panel is reset A WARNING High voltage Bad electrical connections Electrical short in ignitor 2 Checkelectrical wiring and connections See Wiring Diagram page 14 3 Check ignitor wiring If no problems are found replace ignitor see page 9 ON OFF switch light comes on when switch is turned to Position but turns off after five seconds Electrical short in motor 1 Check motor wiring If no problems are found replace motor A WARNING High voltage DESA 105522 SERVICE PROCEDURES SERVICE PROCEDURES WARNING Never service heater while itis plugged in operating or hot Severe burns and electrical shock can occur UP
5. 2 3 4 Remove pump plate screws using 5 16 nut driver 5 Remove pump plate 6 Remove rotor insert and blades 7 Check for debris in pump If debris is found blow out with compressed air 8 Install insert and rotor 9 Check gap on rotor Adjust to 076 101 mm 003 004 if needed see Figure 25 page 13 Note Rotate rotor one full turn to ensure the gap is 076 101 mm 003 004 at tightest position Adjust if needed 10 Install blades pump plate air filters and filter end cover 11 Replace fan guard and upper shell 12 Adjust pump pressure see page 10 Note If rotor is still binding proceed as follows Blade Pump Plate Air Intake Filter Air Output Filter Insert Air Output Filter Figure 24 Rotor Location BY100CEH and BY150CEH Models 105522 SERVICE PROCEDURE Continued 13 Perform steps 1 through 6 page 12 14 Place fine grade sandpaper 600 grit on flat surface Sand ro tor lightly in figure 8 motion four times see Figure 26 15 Reinstall insert and rotor 16 Perform steps 10 through 12 page 12 Gap Adjusting i 076 101 mm 003 004 Gap Measured With Feeler Gauge Rotor Gap Adjusting Screw Figure 25 Gap Adjusting Screw Locations Sandpaper Figure 26 Sanding Rotor FAN IMPORTANT Remove fan from motor shaft before removing motor from heater The weight of the motor resting on the fan could damage the fan
6. EEC amended by 92 31 EEC and including EN50081 1 and EN50082 1 We declare that the models noted are in conformity Company DESA International Inc Name Keith Teakell Title Vice President Heating Products Engineering 06 13 2001 Bowling Green KY LAT Date and Place Signature DESA 105522 WARRANTY AND REPAIR SERVICE CERTIFICATE OF GENERAL EQUIPMENT LIMITED 1 YEAR WARRANTY SGB YOUNGMAN warrants new Products sold by it to be free from defects in material or workmanship for a period of one year after date of delivery to the first user and subject to the following conditions SGB YOUNGMAN s obligation and liability under this War ranty is expressly limited to repairing or replacing at SGB YOUNGMAN s option any parts which appear to SGB YOUNGMAN upon inspection to have been defective in mate rial or workmanship when shipped from the factory Such parts shall be provided at no cost to the user at the business establishment of any factory authorized service center or the factory during regular working hours The Warranty shall not apply to component parts or accessories of Products not manu factured by SGB YOUNGMAN and which carry the warranty of the manufacturer thereof or to normal maintenance such as pressure adjustments or to normal maintenance parts such as filters and spark plugs Replacement or repair parts installed in the Product covered by this Warranty are warranted only fo
7. flame goes out Combustion Ignitor Motor Air Pump Chamber Air Intake Filter Clean 5 er Heated f Cool Air j Air In E Air Output Filter e Ignition Fuel Nozzle Fuel Air Line Control Tank Filter To Burner Assembly Air For Fuel ir For System Combustion And Heating Figure 4 Cross Section Operational View 105522 OPERATION STORING TRANSPORTING OR SHIPPING OPERATION A WARNING Review and understand the warnings in the Safety Information section page 2 They are needed to safely operate this heater Follow all local codes when using this heater 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 Plug power cord of heater into standard 240 volt 50 hertz grounded earthed outlet Use an extension cord if needed Use only a three prong grounded earthed extension cord EXTENSION CORD WIRE SIZE REQUIREMENTS Up to 30 5 meters 100 feet long use 1 0mm 16 AWG conductor 30 6 to 61 meters 101 to 200 feet long use 1 5 mm 14 AWG conductor Push ON OFF switch to ON 1 position and heater should start in 5 seconds If ON OFF switch light does not come on or heater does not start see Troubleshooting pages 6 and 7 TO STOP HEATER
8. heavy fuels will result in clogged fuel filter and nozzle e use of non toxic anti icer in fuel during very cold weather IMPORTANT Use a KEROSENE ONLY container Be sure storage container is clean Foreign matter such as rust dirt or water will cause the flame out control to shut down heater Foreign matter may also require you to clean fuel system often DESA 105522 ASSEMBLY VENTILATION THEORY OF OPERATION ASSEMBLY FOR BY100CEH AND BY150CEH MODELS ONLY These models are furnished with wheels and handles Wheels handles and the mounting hardware are found in the shipping carton Tools Needed Medium Phillips Screwdriver 3 8 Open or Adjustable Wrench Hammer 1 Slide axle through wheel support frame Install wheels on axle IMPORTANT When installing wheels point extended hub of wheels toward wheel support frame see Figure 3 Place cap nuts on axle ends Gently tap with hammer to secure 3 Place heater on wheel support frame Make sure air inlet end rear of heater is over wheels Line up holes on fuel tank flange with holes on wheel support frame 4 Place front handle and rear handle on top of fuel tank flange Insert screws through handles fuel tank flange and wheel sup port frame Attach nut finger tight after each screw is inserted 5 After all screws are inserted tighten nuts firmly Front Handle Hot Air Outlet Rear Handle Fuel Tank Flange Air Inl
9. pitch 1 Remove upper shell see page 8 2 Use 1 8 allen wrench to loosen setscrew which holds fan to motor shaft 3 Slip fan off motor shaft 4 Cleanfanusing a soft cloth moistened with kerosene or solvent 5 Dry fan thoroughly 6 Replace fan on motor shaft Place fan hub flush with end of motor shaft see Figure 28 7 Place setscrew on flat of shaft Tighten setscrew firmly 4 5 to 5 6 N m 40 to 50 in Ibs 8 Replace fan guard and upper shell SERVICE PROCEDURES Fan Setscrew Motor Shaft Setscrew Shaft Figure 27 Fan Motor Shaft and Setscrew Location Figure 28 Fan Cross Section IGNITION CONTROL ASSEMBLY A WARNING Unplug heater before servicing Remove Old Assembly 1 Using the 5 16 nut driver or socket wrench remove the four side cover screws see Figure 29 Disconnect the nine wires from the ignition control assembly 3 Using needle nose pliers squeeze the tab on the printed circuit board support and lift up on the edge of the ignition control assembly see Figure 30 Repeat this for the other four printed circuit board supports then remove the assembly Cover Figure 29 Removing Cover Cover ps Lo Ie ta Ignition Control VIS 4 Assembly 20 L Printed Circuit Board Supports 5 Figure 30 Removing Circuit Board ODESA 105522 SERVICE PROCEDURES WIRING DIAG
10. see page 13 3 Remove 4 side cover screws with a 5 16 nut driver Remove side cover see Figure 9 or 10 page 8 4 Disconnect ignitor wires black from ignition control assem bly see Figure 11 Pull the ignitor wires up through the hole in the lower shell 5 Disconnect fuel line hose and air line hose Remove photocell from photocell bracket see Figure 11 6 Remove combustion chamber Stand combustion chamber on end with nozzle adapter bracket on top see Figure 12 7 Remove ignitor screw with a 1 4 nut driver Carefully remove ignitor from nozzle adapter bracket A CAUTION Do not bend or sirike ignitor element Handle with care Combustion Chamber Air Line Hose Nozzle Adapter Bracket Ignitor Ignitor 7 Wires Photocell Bracket Ignition Photocell Control Assembly Assembly Side Cover Figure 11 Disconnecting Ignitor Wires from Ignition Control Assembly 105522 SERVICE PROCEDURES 8 Carefully remove replacement ignitor from styrofoam packing 9 Carefully guide ignitor into opening in nozzle adapter bracket Do not strike ignitor element Attach ignitor to nozzle adapter bracket with screw using a 1 4 nut driver see Figure 12 Torque 90 to 1 69 N m 8 to 15 in Ibs Do not over torque 10 Replace combustion chamber 11 Route the ignitor wires back down through the hole in the lower shell Connect wires to the ignition control assembly 12 Re
11. 08 01 NPF 3B 097785 01 WLE 3 079010 39 105793 01 079919 01 079010 40 PARTS AVAILABLE NOT SHOWN HA2210 103814 01 097649 01 106013 01 105880 01 DESCRIPTION Power Cord Strain Relief Bushing Hex Lock Nut 1 4 20 Screw Lockwasher 1 2 Rubber Bumper Side Cover Motor Bracket Bushing Clip Nut Bushing Screw Lockwasher 1 2 Screw 10 32 x 1 2 Lower Shell Rubber Airline Fuel Line Fuel Filter Rubber Bushing Nylon Locknut PCB Support Ignition Control Assembly Fuel Cap Includes Gasket Fuel Tank Shell Heat Shield Nut 10 32 Vinyl Foam Gasket Lockwasher 10 Wire Assembly Brown White ON OFF Switch Switch Cover Wire Assembly White Filler Neck Screen Wire Tie Tradename Decal Decal Package Ignition Control Assembly Fuse 8 Y 9 i 5 tc a uz gt en o oS ca 35 zn Oq 0 BY70CEH MODEL 12 14 Motor and Pump Assembly 105522 PARTS LIST BY70CEH Model This list contains replaceable parts used in your heater When ordering parts be sure to provide the correct model and serial numbers from the model plate then the part number and description of the desired part PARTS LIST BY70CEH MODEL PART NUMBER M51104 01 09851 1 256 M11084 29 102432 01 098512 64 M10908 2 103154 03 M16656 24 26 102548 05 104056 01 102336 01 10908 75 103347 01 102
12. 29 102432 01 098512 63 10908 2 103154 03 16656 24 HA3006 102548 05 104056 01 102336 01 M10908 75 103347 01 102431 01 103684 01 102001 25 079975 03 22009 22456 2 M29608 M29632 M29633 M29609 12461 31 27694 10993 1 22997 M8940 29612 01 12461 32 103676 01 M8643 2 FHPF3 6C 105780 01 51105 01 DESCRIPTION Handle Upper Shell Screw 10 16 x 3 4 Screw Lockwasher 1 2 Combustion Chamber Screw 6 32 x 3 8 Photocell Bracket Photocell Assembly Burner Strap Assembly Nozzle Assembly Ignitor Kit Nozzle Adapter Nozzle Adapter Bracket Screw 6 32 x 7 8 Belleville Washer Screw Lockwasher 1 2 Fan Motor and Pump Assembly Motor Pump Body Insert Rotor Pump End Cover Lint Filter Intake Filter Filter End Cover Screw 10 32 x 1 Adjusting Screw Pressure Relief Spring Plug Steel Ball 1 4 Diameter Output Filter Screw 10 32 x 1 1 8 Nylon Elbow 90 Blade Screw 10 32 x 3 4 Plastic Cap Fan Guard xx Not available as an assembly order parts separately 105522 DESA po BHO H HSH KH KH BH WO KH HSH BSB Be BeBe se se Ss ses ep AH HSH BSB KSB 2 SB SB POH OND H KH PART NUMBER 098872 04 M50400 NTC 4C 102431 01 M50631 097461 09 101205 01 M30865 02 M11271 8 M50104 02 102431 01 RF3 4B 09851 1 237 M50814 06 M29652 05 108060 01 M10990 3 102861 01 102349 01 104068 04 097702 01 108088 01 511
13. 3 M50631 101206 01 101695 01 104068 04 DESCRIPTION Upper Shell Screw Lockwasher 1 2 Combustion Chamber Photocell Bracket Screw 6 32 x 3 8 Photocell Assembly Burner Strap Assembly Nozzle Assembly Ignitor Kit Screw 6 32 x 7 8 Nozzle Adapter Bracket Nozzle Adapter Belleville Washer Screw Lockwasher 1 2 Fan Motor and Pump Assembly Motor Pump Body Screw 10 32 x 5 8 Rotor Insert Pump Rotor Pump End Cover Intake Filter Filter End Cover Steel Ball 1 4 Diameter Relief Spring Adjusting Screw Plug Screw 10 32 x 1 Output Filter Lint Filter Barb Fitting Blade Rubber Bumper Motor Mounting Bracket Button Plug Ignition Control Assembly KEY PART QTY NO NUMBER DESCRIPTION QTY 1 8 1 1 2 1 1 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 1 1 1 1 1 1 a a po RH SH 4 51114 01 27417 099213 01 51345 01 107961 01 51151 01 10990 3 50814 03 098511 236 50104 03 50104 01 102431 01 11271 8 RF3 4B 108088 04 097702 01 102349 01 M50400 098872 04 51077 15 102431 01 102861 01 079010 39 105793 01 079919 01 WLE 3 NPF 3B 097468 01 079010 40 HA2210 103814 01 097650 01 106013 03 105880 01 Hex Lock Nut 1 4 20 Fan Guard Drain Plug Includes o Ring Button Plug Fuel Line Fuel Filter Fuel Line Tube Rubber Bushing Airline Lower Shell Bushing Bushing Screw Lockwasher 1 2 Clip Nut Screw 10 32 x 1 2 Fu
14. 431 01 103684 01 102001 23 079975 02 22009 22456 1 29608 29632 29633 29609 12461 31 27694 10993 1 22997 8940 M29612 01 M12461 31 103676 01 M8643 FHPF3 5C 105780 01 M51105 01 o DESCRIPTION Handle Upper Shell Screw 10 16 x 3 4 Screw Lockwasher 1 2 Combustion Chamber Screw 6 32 x 3 8 Photocell Bracket Photocell Assembly Burner Strap Assembly Nozzle Assembly Ignitor Kit Nozzle Adapter Nozzle Adapter Bracket Screw 6 32 x 7 8 Belleville Washer Screw Lockwasher 1 2 Fan Motor and Pump Assembly Motor Pump Body Insert Rotor Pump End Cover Lint Filter Intake Filter Filter End Cover Screw 10 32 x 1 Adjusting Screw Pressure Relief Spring Plug Steel Ball 1 4 Diameter Output Filter Screw 10 32 x 1 Nylon Elbow 90 Blade Screw 10 32 x 5 8 Plastic Cap Fan Guard Not available as an assembly order parts separately 105522 DESA RHO H HSH KH KH BH WO KH HSH BSB Be Bs se eB Ss se ae p KH HSH KH KB KSB eB SB SB SHPO HON H KH PART NUMBER 098872 04 M50400 NTC 4C 102431 01 M50631 097461 09 101205 01 M30865 02 M11271 8 M50104 02 102431 01 RF3 4B 09851 1 237 M50814 06 M29652 05 108060 03 M10990 3 102861 01 102349 01 104068 04 097702 01 108088 03 51108 01 NPF 3B 097785 01 WLE 3 079010 39 105793 01 079919 01 079010 40 HA2210 103814 01 097649 01 106013 02 105880 01
15. PER SHELL REMOVAL 1 Remove screws and lock washers along each side of heater using 5 16 nut driver These screws attach upper and lower shells together Lift upper shell off 3 Remove fan guard 6 Upper Shell SS Fan Guard Figure 8 Upper Shell Removal BY100CEH and BY150CEH Models Figure 7 Upper Shell Removal BY35CEH and BY70CEH Models FUEL FILTER BY35CEH and BY70CEH Models 1 Remove side cover screws using 5 16 nut driver Remove side cover Pull rubber fuel line off fuel filter neck Carefully pry bushing and fuel filter out of fuel tank Wash fuel filter with clean fuel and replace in tank Attach rubber fuel line to fuel filter neck Sy ee For Replace side cover FUEL FILTER BY100CEH and BY150CEH Models 1 Remove side cover screws using 5 16 nut driver 2 Remove side cover 3 Pull upper fuel line off fuel filter neck 4 Carefully pry bushing lower fuel line and fuel filter out of fuel tank Wash fuel filter with clean fuel and replace in tank 6 Attach upper fuel line to fuel filter neck 7 Replace side cover Fuel Filter Side Cover Figure 9 Fuel Filter Removal BY35CEH and BY70CEH Models Fuel Filter Bushing and Lower Fuel ENS Upper Fuel Line Figure 10 Fuel Filter Removal BY100CEH and BY150CEH Models 105522 SERVICE PROCEDURE Continued IGNITOR 1 Remove upper shell and fan guard see page 8 2 Remove fan
16. Push ON OFF switch to OFF O position TO RESET HEATER 1 Push ON OFF switch to OFF position and wait 10 sec onds 2 minutes if heater has been running 2 Repeat steps under 7o Start Heater above ON OFF Switch with Light Figure 6 ON OFF Switch BY100CEH and BY150CEH Models Figure 5 ON OFF Switch BY35CEH and BY70CEH Models 105522 STORING TRANSPORTING OR SHIPPING Note If shipping transport companies require fuel tanks to be empty 1 Drain fuel tank Note Some models have drain plug on underside of fuel tank If so remove drain plug to drain all fuel If heater does not have drain plug drain fuel through fuel cap opening Be sure all fuel is removed Replace drain plug if provided 3 If any debris is noted in old fuel add 1 or 2 quarts of clean kerosene to tank stir and drain again This will prevent ex cess debris from clogging filters during future use 4 Replace fuel cap or drain plug Properly dispose of old and dirty fuel Check with local automotive service stations that recycle oil 5 If storing store heater in dry place Make sure storage place is free of dust and corrosive fumes IMPORTANT Do not store kerosene over summer months for use during next heating season Using old fuel could damage heater DESA PREVENTATIVE MAINTENANCE SCHEDULE TROUBLESHOOTING PREVENTATIVE WARNING Never service heater while itis plugged MAINTENANCE SCHEDULE in operatin
17. RAM SERVICE PROCEDURES WIRING DIAGRAM Continued Power Plug Installing the New Assembly 240 V 50Hz CAUTION Ignition control assembly contains electrostatic components Handle the assembly by the edges of the printed circuit board Do not touch any of the quick connect terminals or electronic components ON Off Switch Ignitor Photocell 4 Green Yellow 1 Align the five holes in the assembly with the five printed cir cuit board supports in the side cover 2 Holding the assembly by the edges of the printed circuit board apply downward pressure until all five tabs on the printed cir cuit board supports springlock into place Pull up on assembly to verify this see Figure 31 3 Connect the nine wire leads to the ignition control assembly as shown in the wiring diagram in column 2 A CAUTION Double check connections Connect Ignition Control ing ignition control assembly wrong could result in damage the ignition control assembly and or other components in the heater assembly 4 Using the 5 16 nut driver or socket wrench reinstall side cover to heater Tighten screws until snug Do not over torque Unacceptable Acceptable Figure 31 Attaching Circuit Board to Tabs 105522 SPECIFICATIONS ACCESSORIES SPECIFICATIONS Output Rating Btu Hr kw 35 000 10 70 000 20 100 000 30 150 000 44 Fuel Use Only Kerosene or No Fuel Oil Fuel Tank Capaci
18. acket Nozzle Adapter Assembly Photocell Bracket Fuel Line Hose Figure 17 Removing Air and Fuel Line Hoses BY35CEH and BY70CEH Models Only Combustion Chamber cem Nozzle Adapter Bracket Nozzle Adapter Air Line Hose Assembly Photocell Bracket uel Line Hose Figure 18 Removing Air and Fuel Line Hoses BY100CEH Model Only 9 Replace nozzle into nozzle adapter until nozzle seats Tighten 1 3 turn more using 5 8 socket wrench 4 5 to 5 1 N m 40 to 45 in Ibs See Figure 21 10 Attach nozzle assembly to burner strap 11 Attach fuel and airline hoses to nozzle assembly See Fuel and Airline Replacement and Proper Routing page 12 12 Replace fan see page 13 13 Replace fan guard and upper shell see page 8 Combustion Chamber Nozzle Adapter Bracket Photocell Bracket Nozzle Adapter Assembly Air Line Hose Figure 19 Removing Air and Fuel Line Hoses BY150CEH Model Only Combustion Chamber Nozzle Adapter Assembly Figure 20 Removing Nozzle Adapter Assembly Nozzle Face Nozzle Adapter Air Line Fitting Fuel Line Fitting Figure 21 Nozzle and Nozzle Adapter DESA 105522 SERVICE PROCEDURES SERVICE PROCEDURES Continued FUEL AND AIR LINE REPLACEMENT AND PROPER ROUTING 1 Remove upper shell see page 8 2 Remove side cover screws using 5 16 nut driver 3 Remove side cover 4 Inspect fuel and air line hoses
19. bers when communicating with the factory We reserve the right to amend these specifications at any time without notice The only Warranty applicable is our standard written Warranty We make no other Warranty expressed or implied SGB YOUNGMAN Stanestreet Slingfold Horsham West Sussex Rh13 7RD United Kingdom UK NOT A UPC Printed in U S A 105522 01 Rev D 06 01
20. de poisoning resemble the flu with headaches dizziness and or nau sea If you have these signs the heater may not be working properly Get fresh air at once Have heater serviced Some people are more affected by carbon monoxide than others These include pregnant women persons with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Make certain you read and understand all warnings Keep this manual for reference It is your guide to safe and proper operation of this heater Use only kerosene or No 1 fuel oil to avoid risk of fire or explosion Never use gasoline naphtha paint thinners alco hol or other highly flammable fuels Fueling a Personnel involved with fueling shall be qualified and thor oughly familiar with the manufacturer s instructions and ap plicable regulations regarding the safe fueling of heating units Only the type of fuel specified on the heater s data plate shall be used c All flame including the pilot light if any shall be extin guished and the heater allowed to cool prior to fueling d During fueling all fuel lines and fuel line connections shall be inspected for leaks Any leaks shall be repaired prior to returning the heater to service e At no time shall more than one day s supply of heater fuel be stored inside a building in the vicinity of the heater Bulk fuel storage shall be outside the structure f All fuel storage shall be locat
21. ect pressure for each model 5 Remove pressure gauge Replace pressure gauge plug and plas tic cap BY35CEH and BY70CEH only in filter end cover Air Intake Filter Filter End Lint Filter Air Output Filter Fan Guard Figure 13 Air Output Air Intake and Lint Filters 5 and BY70CEH Models Air Intake Filter Filter End Cover Fan Guard Lint Filter Air Output Filter Figure 14 Air Output Air Intake and Lint Filters BY100CEH and BY150CEH Models Pressure a Relief 9 Valve MS lt Plastic Cap MC Figure 15 Pressure Gauge Plug and Plastic Cap Removal Pump Pressure Model PSI Bar BY35CEH 2 9 0 200 BY70CEH 4 9 0 338 BY100CEH 4 9 0 338 BY150CEH 5 5 0 380 Figure 16 Adjusting Pump Pressure 105522 SERVICE PROCEDURES SERVICE PROCEDURES Continued 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 ure 17 18 or 19 4 nozzle assembly 1 4 turn to left and pull toward motor to remove see Figure 20 5 Place plastic hex body into vise and lightly tighten 6 Carefully remove nozzle from the nozzle adapter using 5 8 socket wrench see Figure 21 7 Blow compressed air through face of nozzle This will free any dirt in nozzle area 8 Inspect nozzle seal for damage Combustion Chamber Nozzle Adapter Br
22. ed a minimum of 762cm 25 feet from heaters torches welding equipment and similar sources of ignition exception the fuel reservoir integral with the heater unit Whenever possible fuel storage shall be confined to areas where floor penetrations do not permit fuel to drip onto or be ignited by a fire at lower elevation h Fuel storage shall be in accordance with the authority hav ing jurisdiction Never use heater where gasoline paint thinner or other highly flammable vapors are present Follow all local ordinances and codes when using heater Heaters used in the vicinity of tarpaulins canvas or similar enclosure materials shall be located a safe distance from such materials The recommended minimum safe distance is 304 8cm 10 feet It is further recommended that these enclo sure materials be of a fire retardant nature These enclosure materials shall be securely fastened to prevent them from ig niting or from upsetting the heater due to wind action Use only in well vented areas Before using heater provide at least a 2800 square cm three square foot opening of fresh outside air for each 30 kw 100 000 Btu Hr of rating Use only in places free of flammable vapors or high dust content Use only the electrical voltage and frequency specified on model plate Use only a three prong grounded extension cord Minimum heater clearances from combustibles Outlet 250 cm 8 Ft Sides Top and Rear 125 cm 4 Ft
23. el Tank Fuel Cap Includes Gasket P C Board Support Strain Relief Bushing Power Cord Side Cover Screw Lockwasher 1 2 Nylon Locknut Wire Assembly Brown White ON OFF Switch Switch Cover Lockwasher 10 Nut 10 32 Edge Liner Wire Assembly White Filler Neck Screen Wire Tie Tradename Decal Decal Package Ignition Control Assembly Fuse on 0 4 ee ee E lo oo i a ae a a a PARTS AVAILABLE NOT SHOWN Not available as an assembly order parts separately DESA 105522 ILLUSTRATED PARTS BREAKDOWN BY150CEH Model ILLUSTRATED PARTS BREAKDOWN BY150CEH MODEL Motor and Pump Assembly 105522 PARTS LIST BY150CEH Model This list contains replaceable parts used in your heater When ordering parts be sure to provide the correct model and serial numbers from the model plate then the part number and description of the desired part PARTS LIST BY150CEH MODEL PART NUMBER 09851 1 257 102432 01 098512 66 103154 05 M10908 2 M16656 24 100735 24 102548 05 M10908 75 102336 01 104054 01 103347 01 102431 01 102042 01 102001 24 079975 03 FHPF3 6C M22009 M22456 2 M50545 M12179 M16545 M8940 M10993 1 M27694 M22997 M12461 31 M12244 1 M11637 M50820 02 M8643 2 M12461 32 M50631 101206 01 101695 01 104068 04 DESCRIPTION Upper Shell Screw Lockwasher 1 2 Combustion Chamber Photocell Bracke
24. et Wheel Support Frame Extended Hub Axle Figure 3 Wheel and Handle Assembly VENTILATION WARNING Follow the minimum fresh outside air ventilation requirements If proper fresh outside air ventilation 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 2800 square cm three square feet for each 30kw 100 000 Btu Hr rating Provide extra fresh air if more heaters are being used Example A 44kw 150 000 Btu Hr heater requires one of the following atwo car garage door 4 9 meter 16 feet opening raised 9 cm 3 5 inches asingle car garage door 2 75 meter 9 feet opening raised 15 25 cm 6 inches two 76 cm 30 inch windows raised 28 cm 11 inches THEORY OF OPERATION The Fuel System The air pump forces air through the air line The air is then pushed through the burner head nozzle This air causes fuel to lift from the tank A fine mist of fuel is sprayed into the combustion chamber The Air System The motor turns the fan The fan pushes air into and around the combustion chamber This air is heated and provides a stream of clean hot air The Ignition System The ignition control assembly provides powerto the ignitor This ignites the fuel air mixture in the combus tion chamber The Flame Out Control System This system causes the heater to shut down if the
25. for cracks and or holes If fuel line hose is damaged disconnect from nozzle adapter see Figure 17 18 or 19 page 11 and from fuel filter see page 8 If air line hose is damaged disconnect from nozzle adapter see Figure 17 18 or 19 page 11 and from barb fitting on pump end cover see Figure 22 5 Install new air and or fuel line Attach one end of air line hose to barb fitting on pump end cover see Figure 22 and the other end to nozzle adapter see Figure 17 18 or 19 page 11 At tach one end of fuel line hose to fuel filter see page 8 and the other end to nozzle adapter see Figure 17 18 or 19 page 11 For BY35CEH and BY70CEH model heaters route air and fuel lines approximately as shown in Figure 17 page 11 Note Hoses are not to be touching photocell bracket For BY100CEH model heater route air and fuel lines approxi mately as shown in Figure 18 page 11 Note Hoses are not to be touching photocell bracket For BY 150CEH model heater route air and fuel lines approxi mately as shown in Figure 19 page 11 Note Hoses are not to be touching photocell bracket 6 Replace side cover 7 Replace upper shell and fan guard see page 8 Pump End Cover Barb Fitting Air Hose 9 Figure 22 Air Hose to Barb Fitting PUMP ROTOR Procedure if Rotor is Binding 1 Remove upper shell see page 8 Remove filter end cover screws using 5 16 nut driver Remove filter end cover and air filters
26. g or hot Severe burns and 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 Air output and lint filters Replace every 500 hours of operation or See Air Output Air Intake and Lint Filters page 10 once a year Air intake filter Wash and dry with soap and water every See Air Output Air Intake and Lint Filters page 10 500 hours of operation or as needed Fuel filter Clean twice a heating season or as needed See Fuel Filter page 8 Ignitor No maintenance required Fan blades Clean every season or as needed See Fan page 13 Motor Not required permanently lubricated TROUBLESHOOTING ATTENTION The ignition control has built in protection against current overloads Use the light in the ON OFF switch to trouble shoot the fault condition WARNING Never service heater while itis plugged in operating or hot Severe burns and electrical shock can occur FAULT CONDITION POSSIBLE CAUSE REMEDY Motor does not start five seconds after 1 Badelectrical connection between motor 1 Check all electrical connections See heater is plugged in ON OFF switch light and ignition control assembly or ignition Wiring Diagram page 14 remains on control assembly and power cord WARNING High voltage 2 Binding pump rotor 2 If fan does not turn freely see Pump Rotor page 12 3 Defective ignitio
27. n control assembly 3 Replace ignition control assembly 4 Defective motor 4 Replace motor 105522 TROUBLESHOOTING Continued FAULT CONDITION POSSIBLE CAUSE TROUBLESHOOTING 7 REMEDY Motor starts and runs but heater does not ignite ON OFF switch light remains on gt eS No fuel in tank Pump pressure incorrect Dirty fuel filter Obstruction in nozzle assembly Water in fuel tank 1 Fill tank with kerosene 2 See Pump Pressure Adjustment page 10 3 See Fuel Filter page 8 4 See Nozzle Assembly page 11 5 Drain and flush fuel tank with clean kerosene See Storing Transporting or Shipping page 5 A WARNING High voltage Bad electrical connection between ignitor and ignition control assembly Defective ignitor Defective ignition control assembly 6 Check electrical connections See Wiring Diagram page 14 Replace ignitor see page 9 8 Replace ignition control assembly Heater ignites but ignition control assembly shuts heater off after a short period of time ON OFF switch light remains on gt MO Pump pressure incorrect Dirty air intake air output and or lint filter Dirty fuel filter Obstruction in nozzle assembly Photocell assembly not properly installed not seeing the flame See Pump Pressure Adjustment page 10 See Air Output Air Intake and Lint Filters page 10
28. own White ON OFF Switch Switch Cover Lockwasher 10 Nut 10 32 Edge Liner Wire Assembly White Filler Neck Screen Wire Tie Tradename Decal Decal Package Ignition Control Assembly Fuse 0 24242 424 Poa onan Osea A OOD AB Bae a a oa a a PARTS AVAILABLE NOT SHOWN Not available as an assembly order parts separately DESA 105522 WHEELS AND HANDLES BY100CEH AND BY150CEH MODELS WHEELS AND HANDLES BY100CEH AND BY150CEH MODELS PART NUMBER HA2203 HA2204 M12345 33 12342 3 12831 3 3 107426 01 28526 51015 01 16801 2 DESCRIPTION Handles Handles Screw 10 24 1 3 4 Wheel Support Frame Wheel Support Frame Hex Nut 10 24 Wheel 2 Cap Nut Axle Axle BY100CEH QTY n Pp BY150CEH QTY on 105522 EC CONFORMITY DECLARATION EC CONFORMITY DECLARATION 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 BY150CEH It is declared that these models conform to the Machinery Directive 98 37 EC including 91 368 EEC and the Low Voltage Directive 73 23 EEC It is further declared that these models conform to the EMC Directive 89 336
29. place side cover see Figure 9 or 10 page 8 13 Connect and route fuel line hose and air line hose to burner head See Fuel and Air Line Replacement and Proper Rout ing page 12 14 Replace photocell in photocell bracket Route wires as shown in either Figure 17 18 or 19 page 11 15 Replace fan see page 13 16 Replace fan guard and upper shell see page 8 Ignitor Screw Washer Assembly Ignitor Ignitor Element Photocell Bracket Nozzle Adapter Bracket Nozzle Adapter Combustion Bracket Openin Chamber P 9 Figure 12 Replacement DESA SERVICE PROCEDURES SERVICE PROCEDURES Continued AIR OUTPUT AIR INTAKE AND LINT FILTERS 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 Maintenance Schedule page 6 6 Replace filter end cover 7 Replace fan guard and upper shell IMPORTANT Do not oil filters PUMP PRESSURE ADJUSTMENT 1 Remove pressure gauge plug and plastic cap BY35CEH and BY70CEH only from filter end cover Install accessory pressure gauge part number HA1180 3 Start heater see Operation page 5 Allow motor to reach full speed 4 Adjust pressure Turn relief valve to right to increase pressure Turn relief valve to left to decrease pressure See specifica tions below for corr
30. r the remainder of this Warranty as if such parts were original compo nents of said Product SGB YOUNGMAN MAKES NO OTHER EXPRESS WARRANTY TO THE EXTENT PERMITTED BY LAW SGB YOUNGMAN MAKES NO IMPLIED WARRANTY AND MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE IN ANY EVENT IMPLIED WARRANTIES INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF THIS EXPRESS WARRANTY Any transportation charges costs of installation duty taxes or any other charges whatsoever must be borne by the user YOUNGMAN s obligation under this limited War ranty shall not include any liability for direct indirect incidental or consequential damage or delay If requested by SGB YOUNGMAN Products or parts for which a warranty claim is made are to be returned transportation prepaid by user to SGB YOUNGMAN Any improper use including operation after discovery of defective or worn parts operation beyond capac ity substitution of parts not approved by SGB YOUNGMAN or any alteration or repair by others in such manner as in SGB YOUNGMAN s judgement affects the Product materially and adversely shall void this Warranty NO EMPLOYEE OR REPRESENTATIVE IS AUTHORIZED TO CHANGE THIS WARRANTY IN ANY WAY OR GRANT ANY OTHER WARRANTY UNLESS SUCH CHANGE IS MADE IN WRITING AND SIGNED BY AN OFFICER OF SGB YOUNGMAN AT ITS HOME OFFICE WARRANTY SERVICE Always specify model and serial num
31. t Screw 6 32 x 3 8 Photocell Assembly Burner Strap Assembly Nozzle Assembly Ignitor Kit Screw 6 32 x 7 8 Nozzle Adapter Bracket Nozzle Adapter Belleville Washer Screw Lockwasher 1 2 Fan Motor and Pump Assembly Motor Pump Body Screw 10 32 x 3 4 Rotor Insert Pump Rotor Pump End Cover Intake Filter Filter End Cover Steel Ball 1 4 Diameter Relief Spring Adjusting Screw Plug Screw 10 32 x 1 Output Filter Lint Filter Barb Fitting Blade Screw 10 32 11 s Rubber Bumper Motor Mounting Bracket Button Plug Ignition Control Assembly Boa Pe nn nnn nn 0 nan 0 5 nnn nnn in goa PART NUMBER 4 51114 01 27417 099213 01 51345 04 107961 01 51151 02 10990 3 50814 03 098511 236 50104 03 50104 01 102431 01 11271 8 RF3 4B 108088 05 097702 01 102349 01 M50400 098872 04 51077 15 102431 01 102861 01 079010 39 105793 01 079919 01 WLE 3 NPF 3B 097468 01 079010 40 HA2210 103814 01 097650 01 106013 04 105880 01 DESCRIPTION Hex Lock Nut 1 4 20 Fan Guard Drain Plug Includes o Ring Button Plug Fuel Line Fuel Filter Fuel Line Tube Rubber Bushing Airline Lower Shell Bushing Bushing Screw Lockwasher 1 2 Clip Nut Screw 10 32 x 1 2 Fuel Tank Fuel Cap Includes Gasket P C Board Support Strain Relief Bushing Power Cord Side Cover Screw Lockwasher 1 2 Nylon Locknut Wire Assembly Br
32. ty 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 19 3 0 1 1 4 1 Electric Requirements 240 V 50 Hz Same AII Models Amperage Normal Run 8 10 12 12 Hot Air Output CFM CMM 140 4 225 6 4 425 12 500 14 2 Motor Speed RPM 1425 2850 2850 2850 ACCESSORIES Purchase accessories from your local dealer AIR GAUGE KIT HA1180 For all models Special tool to check pump pressure STANDARD WHEELS AND HANDLE KIT HA1206 Makes heater even more portable and convenient Easy to assemble For BY35CEH and BY70CEH models HEAVY DUTY WHEELS AND HANDLE KIT HA1202 IGNITION CONTROL ASSEMBLY For heavy duty applications Makes your heater even more portable PHOTOCELL TESTER HA1170 and convenient For BY35CEH and BY70CEH models Special tool used to test the ignition control assembly and photocell ODESA 105522 8 Y 9 tc uz gt ES oO ca wo 35 ey zn Oq 0 5 MODEL 12 14 Motor and Pump Assembly 105522 5 115 BY35CEH Model 1 7 This list contains replaceable parts used in your heater When ordering parts be sure to provide the correct model and serial numbers from the model plate then the part number and description of the desired part PARTS LIST BY35CEH MODEL PART NUMBER 51104 01 098511 256 11084
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