KEROSENE/DIESEL PORTABLE FORCED AIR HEATERS
Contents
1. sese 16 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST 18 WHEELS AND HANDLES eee 24 ACCESSORIES saken eaae e c 25 OWNER S REGISTRATION FORM eee 27 WARRANTY AND REPAIR SERVICE Back Cover DESA SAFETY INFORMATION SAFETY INFORMATION A WARNINGS A WARNING This product contains and or generates chemicals known to the State of California to cause cancer or birth defects or other reproductive harm 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 monoxide 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 1 2 diesel fuel oil JET2. Axle Figure 5 Wheel and Handle Assembly 110 115 155 165 200 Models Only For more information visit www desatech 111167 01C OPERATION IMPORTANT Review and understand the warnings in the Safety Information section page 2 They are needed to safely operate this heater Follow all local ordinances and codes when using this heater TO START HEATER l Di Follow all ventilation and safety information Locate heater to provide maximum circulation of the heated air Follow all location requirements noted in Safety Informa tion page 2 Fill fuel tank with kerosene 1 2 diesel fuel oil JET A or JP 8 fuel Attach fuel cap For thermostat models turn thermostat knob clockwise to the high position Plug heater s power cord into approved grounded three wire extension cord Extension cord must be at least six feet 1 8 meters long Extension Cord Size Requirement 6 to 10 feet 1 8 to 3 meters long use 18 AWG 0 75 mm rated cord 11 to 100 feet 3 3 to 30 5 meters long use 16 AWG 1 0 mm rated cord 101 to 200 feet 30 8 to 61 meters long use 14 AWG 1 5 mm rated cord Plug extension cord into standard 120 volt 60 hertz 3 prong grounded outlet Note Ignitor will preheat for five seconds then heater will start For thermostat models adjust thermostat knob to the desired setting Note A cold heater may affect the thermostat setting This thermostat is a general heating control It is not
3. purchase date Usually we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA Heating Products at 1 866 672 6040 for referral information Parts dealers are listed in the Authorized Service Center booklet supplied with heater When calling DESA Heating Products have ready model and serial numbers of your heater the replacement part number JE more information visit www desatech com DESA 111167 01C OWNER S REGISTRATION FORM Complete registration form and mail or complete on line registration at www desatech com within 30 days after purchase Brand Reddy Heater Master Remington etc Model R60 HD15 etc Date Purchased Note Keep receipt for warranty verification Serial Number 1 1 7or9digit number located on product or identification tag First Name Last Name Address City State Zip Country Phone E Mail Please answer the following questions to register your product with DESA Heating Products Il OV gm 10 11 12 13 14 15 16 17 18 19 Who will heater be used by O Individual Business Will you use your heater in more than one location O Yes O No Where will the product be used You may select more than one O Workshop O Barn O Residential Construction O Commercial Construction O Garage O Factory O Recreation
4. 1 2 diesel fuel oil JET A or JP 8 fuels to avoid risk of fire or explo sion Never use gasoline oil drained from crank cases naphtha paint thinners alcohol or other highly flammable fuels Use only kerosene 1 2 diesel fuel oil JET A or JP 8 fuels Heavier fuels such as No 2 fuel oil or No 2 diesel fuel may also be used but will result in noticeable odor additional fuel filter maintenance the need for nontoxic anti icer additives in very cold weather Do not use fuels heavier than No 2 grade or heavy oils such as oil drained from crankcases These heavy oils will not ignite properly and will contaminate the heater IMPORTANT Use a KEROSENE ONLY blue or DIESELONLY yellow storage container Be sure storage container is clean For eign matter such as rust dirt or water will cause the ignition control assembly to shut down heater Foreign matter may also require heater s fuel system to be frequently cleaned For more information visit www de dum Fuel VENTILATION A WARNING Provide a fresh air opening of at least three square feet 2 800 square cm for each 100 000 Btu hr rating Provide extra fresh air if more heaters are being used The minimum ventilation require ments must be followed to avoid risks associated with carbon monoxide poisoning Make certain these requirements are met prior to operating heater Example A 58 6kw 200 000 Btu Hr heater requires one of
5. Age of Purchaser O Under 20 020 29 030 39 O40 49 O50 59 060 or Over Buyer s total annual household income O Under 19 999 O 20 000 to 34 999 O 35 000 to 49 999 O 50 000 to 74 999 O 75 000 to 99 999 O 100 000 and Over What is the population of your area O Under 10 000 10 000 to 25 000 O 25 000 to 50 000 50 000 to 100 000 O 100 000 to 250 000 O Over 250 000 Store where product was purchased Name City State In choosing this product how important were the following Not Somewhat Very Not Somewhat Very Availability O O O Size O O O Price O O O Prior Brand Experience O O O Brand Name O O O Built In Thermostat O O O Overall Quality O O O Ease of Operation O O O Heat Output Btu Hr Rating O O O Special Features O O O Variable Heat Output Btu Hr O O O Salesperson s Recommendation O O O Made in USA O O O Friend Relative s Recommendation O O O Warranty O O O Portability O O O Local Service O O O Quiet Operation O O O Value for Price O O O This question will allow us to better understand the demographic profile of our customers Which of the following best describes you not required O African American O Asian American O Mexican O Puerto Rican O Cuban O Other Hispanic O White O Other AdVL Postage Required DESA HEATING PRODUCTS 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 TAPE OTHER OUTDOOR HEATING PRODUCTS PORTABLE KEROSENE DIESEL FORCED AI
6. A or JP 8 fuels to avoid risk of fire or explosion Never use gasoline naphtha paint thinners alcohol 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 b 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 located 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 g 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 Use only the electrical voltage and frequency specified on model plate Heater must be grounded Use only a properly grounded three wire ex
7. Fill tank with kerosene ignite 2 Pump pressure incorrect 2 See Pump Pressure Adjustment page 9 3 Dirty fuel filter 3 See Fuel Filter pages 9 and 10 4 Obstruction in nozzle 4 See Nozzle Assembly pages 12 and 13 5 Water in fuel tank 5 Drain and flush fuel tank with clean kerosene See Storing Transporting or Shipping page 6 WARNING High voltage 6 Bad electrical connection between igni 6 Check electrical connections See Wir tor and ignition control assembly ing Diagrams pages 16 and 17 7 Defective ignitor 7 Replace ignitor see page 11 8 Defective ignition control assembly 8 Replace ignition control assembly 9 200 Model Only Defective fuel valve 9 See Fuel Valve page 10 Models equipped with fuel valve only Heater ignites but ignition control as 1 Pump pressure incorrect 1 See Pump Pressure Adjustment page 9 sembly shuts heater off after a short 2 Dirty air intake air output and or lint 2 See Air Output Air Intake and Lint Fil period of time filter ters page 8 Dirty fuel filter Obstruction in nozzle Photocell assembly not properly in stalled not seeing the flame 6 Dirty photocell lens Un RU Un RU See Fuel Filter pages 9 and 10 See Nozzle Assembly pages 12 and 13 Make sure photocell boot is properly seated in bracket Clean photocell lens A WARNING High voltage 7 Bad electrical connection between pho tocell and ignition control assembly 8 Def
8. ignitor element Attach ignitor to nozzle adapter bracket with screw using a 1 4 nut driver see Figure 20 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 see Fig ure 19 12 Replace side cover see Figures 15 or 16 page 9 or Figure 17 page 9 13 Connect and route fuel line hose and air line hose to nozzle adapter assembly See Fuel and Air Line Replacement and Proper Routing page 13 14 Replace photocell in photocell bracket Route wires as shown in either see Figures 21 or 22 page 12 or Figure 25 page 13 15 Replace fan see page 8 16 Replace fan guard and upper shell see page 8 Ignitor Screw Washer Assembly Ignitor Ignitor Element Photocell Nozzle Adapter Bracket Bracket Combustion ue Nozzle Adapter Chamber Bracket Opening Figure 20 Ignitor Replacement uw DESA SERVICE PROCEDURES SERVICE PROCEDURES Continued NOZZLE ASSEMBLY For 40 55 60 70 110 115 155 165 Models Only 1 Remove upper shell see Upper Shell Removal page 8 2 Remove fan see Fan page 8 3 Remove fuel and air line hoses from nozzle assembly see Fig ure 21 or 22 4 Turn nozzle assembly 1 4 turn to left and pull toward motor to remove see Figure 23 5 Place plastic hex body into vise and lightl
9. 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 Unplug heater when not in use Never block air inlet rear or air outlet front of heater Warning to New York City Residents For Use Only At Construction Sites in accordance with ap plicable NYC codes under NYCFD certificate of approval 4803 4899 4908 4909 or 4934 For more information visit www d tech com 111167 01C PRODUCT IDENTIFICATION UNPACKING PRODUCT IDENTIFICATION Thermostat Knob Hot Air Handle Outlet Thermostat Knob T Upper Shell Thermostat Models Only Upper Thermostat Models Only Outlet Fan Guard Shell Fan Guard Lower eum Shell e Air Filter Fuel End TANG Cover Side Cover Ignition Control MN Fuel Cap Ignition Control Side Cover Assembly On Inside Power Cord of Side Cover Figure 1 40 55 60 70 Models Figure 3 200 Model Hot Air Outlet Fan Upper Shell Guard 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 bo
10. intended for precise temperature control Adjust thermostat until heater cycles at the desired setting TO STOP HEATER Unplug extension cord from outlet TO RESTART HEATER 1 2 Unplug extension cord from outlet and wait 10 seconds Wait two minutes if heater has been running Repeat steps under 7o Start Heater mi DESA OPERATION WITH PORTABLE GENERATOR STORING TRANSPORTING OR SHIPPING PREVENTATIVE MAINTENANCE SCHEDULE OPERATION WITH PORTABLE STORING TRANSPORTING GENERATOR OR SHIPPING i Note If shipping transport companies require fuel tanks to be empty A WARNING Before operating heater or any appli i 1 Drain fuel tank ance from a portable generator verify that generator has been properly connected to earth ground Im Note Some models have drain plug on underside of fuel tank proper grounding or failure to ground generator can If SO elo ve drain plug to drain all fuel If heater does not result in electrocution if a ground fault occurs Refer have drain plug drain fuel through fuel cap opening Be sure to owner s manual supplied by generator manufac all fuel is removed turer for proper grounding procedures 2 Replace drain plug if provided i 3 If any debris is noted in old fuel add 1 or 2 quarts of clean The operating voltage range of the heater is 108 to 132 Volts 120 kerosene to tank stir and drain again This will prevent ex Volts 10 Prior to plugging heater
11. the following a two car garage door 4 88 meter 16 feet opening raised 12 7 cm 5 inches a single car garage door 2 74 meter 9 feet opening raised 20 3 cm 8 inches two 76 2 cm 30 inch windows raised 38 1 cm 15 inches GJL 111167 01C ASSEMBLY OPERATION ASSEMBLY FOR 110 115 155 165 200 MODELS ONLY These models are furnished with wheels and a rear handle Some models are furnished with a front handle also Wheels handle s and the mounting hardware are found in the shipping carton Tools Needed 1 Front Handle If Provided Medium Phillips Screwdriver 3 8 Open or Adjustable Wrench Hammer 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 5 Place cap nuts on axle ends Gently tap with hammer to secure Place heater on wheel support frame Make sure hot air outlet end front of heater is over wheels Line up holes on fuel tank flange with holes on wheel support frame Place rear handle and front handle if provided on top of fuel tank flange Insert screws through handle s fuel tank flange and wheel support frame Attach nut finger tight after each screw is inserted After all screws are inserted tighten nuts firmly Handle Hot Air RSS Fuel Tank T Flange z Wheel i Support UE EN Nut Wheel Cap Nut NB Extended Hub
12. DESA HEATING PRODUCTS KEROSENE DIESEL PORTABLE FORCED AIR HEATERS OWNER S MANUAL For more information visit www desatechrcon New Straight Shell Design Heater Sizes 40 000 55 000 60 000 70 000 110 000 115 000 155 000 165 000 and 200 000 Btu Hr Models H S I Series 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 SAFETY INFORMATION esee 2 PRODUCT IDENTIFICATION eene 3 UNPACKING ites x tme cem res 3 THEORY OF OPERATION esee 4 FUELS ruse haa IRE E ean d de 4 VENTILATION svinner ere deeds 4 ASSEMBLY 5 Reed edo tee rel 5 OPERATION dee eleg Ee 5 OPERATION WITH PORTABLE GENERATOR 6 STORING TRANSPORTING OR SHIPPING 6 PREVENTATIVE MAINTENANCE SCHEDULE 6 Fill In For Your Records Model No Located on side panel Serial No Located on fuel tank Date of Purchase Syd Ve this manual for future reference TROUBLESHOOTING naras mete shee E e 7 SERVICE PROCEDURES seen 8 TECHNICAL SERVICE sene 15 REPLACEMENT PARTS seen 15 SPECIFICATIONS sse nennen 16 WIRING DIAGRAMS
13. EMBLY WARNING High voltage 1 Unplug heater 2 Remove side cover screws 4 using 5 16 nut driver to ex pose ignition control assembly 3 Remove fuse cover see Figure 32 Remove fuse from fuse clips see Figure 32 5 Replace fuse with fuse of the same type and rating GMA 10 Do not substitute a fuse with a higher current rating 6 Replace fuse cover see Figure 32 7 Replace side cover see Figures 15 or 16 page 9 or Figure 17 page 10 Fuse Cover Fuse Clips Fuse Figure 32 Replacing Fuse SERVICE PROCEDURES TECHNICAL SERVICE REPLACEMENT PARTS TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting If so contact DESA Heating Products Technical Service Department at 1 866 672 6040 When calling please have your model and serial numbers of your heater ready You can also visit DESA Heating Products technical services web site at wwW desatech com REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA Heating Products Techni cal Service Dept at 1 866 672 6040 When calling DESA Heating Products have ready your name your address model and serial numbers of your heater how heater was malfunctioning
14. Figure 17 1 Remove side cover see Figure 17 fan guard and upper 3 Pulllower fuel line off the fuel valve fitting see Figure 17 shell see Figure 8 page 8 screws using 5 16 nut driver Note See Figure 16 page 9 if your model does not come 2 Remove fan see Fan page 8 equipped with a fuel valve 3 Pulllower fuel line off the fuel valve fitting see Figure 18 4 Carefully pry bushing lower fuel line and fuel filter out of fuel tank A WARNING High Voltage 5 Wash fuel filter with clean fuel and replace in tank Disconnect red and white wires from fuel valve see Figure 18 Oy Fl JONE fuel line to fuel valve fitting 5 Using 1 4 nut driver remove 2 screws holding fuel valve and 7 Replace side cover bracket to lower shell see Figure 18 Save these screws Bushing Lower Fuel 6 Using 1 4 nut driver remove 2 screws holding fuel valve to ye Line and Fuel Filter bracket Save these screws 7 Attach new fuel valve to bracket with 2 screws 8 Install new fuel valve and bracket on lower shell with 2 screws 9 Connect red and white wires polarity not important Connect upper and lower fuel lines to fuel valve see Figure 18 10 Replace fan fan guard upper shell and side cover Valve Fittings Fuel Valve Electrical Wires Screw Bracket Side Cover Fuel Valve Fitting Screw Figure 17 Fuel Filter Removal 200 Model Only Model with Fuel Valve Assembly Shown Lower Fuel Line Figur
15. O Warehouse O Utility Shed Outbuilding O Other Specify Cost of product excluding sales tax Maintenance service work will be performed by O Self O Service Center O Other If you bought this product yourself did you plan to purchase this type of product before going into the store O Yes O No Type of store where product was purchased O Hardware O Propane Dealer O Natural Gas Utility Co Home Center or Builder s Supply O Farm Ag Supply O Auto Parts O Warehouse Club O Industrial Contractor Supply O Rental Store O Discount Store O HVAC Dealer O Other What is your primary source of heat O Propane LP Gas O Natural Gas O Kerosene O Diesel O Electric O Other What motivated you to buy this product Sudden Cold Weather O Replace Older Model O D I Y Home Project O Emergency Back Up Heat O Heater on Sale O Construction Project O Hard to Heat Location O Other How did you learn about this product brand O Advertisement O Relative or Friend O Co Worker O Store Representative O Store Display O Previously Owned a Heater O Other Specify What other brands did you consider O None O Master O Remington O All Pro O Dayton O Universal O Mr Heater O L B White Tradesman O John Deere O Dyna Glo O Dura Heat O Paulin O Coleman O Vogelzang American O Other Who selected the product O Male O Female O Both Level of Education of Purchaser O High School O Vocation Technical School O Some College O Completed College O Graduate School
16. R HEATERS PROPANE LP AND NATURAL GAS GARAGE HEATERS PROPANE LP PROPANE LP AND NATURAL PATIO HEATERS GAS CHIMENEAS WARRANTY AND REPAIR SERVICE LIMITED WARRANTY DESA Heating Products warrants this product and any parts thereof to be free from defects in materials and workmanship for one 1 year from the date of first purchase when operated and maintained in accordance with instructions This warranty is extended only to the original retail purchaser when proof of purchase is provided This warranty covers only the cost of parts and labor required to restore the product to proper operating condition Transportation and incidental costs associated with warranty repairs are not reimbursable under this warranty Warranty service is available only through authorized dealers and service centers This warranty does not cover defects resulting from misuse abuse negligence accidents lack of proper maintenance normal wear alteration modification tampering contaminated fuels repair using improper parts or repair by anyone other than an authorized dealer or service center Routine maintenance is the responsibility of the owner THIS EXPRESS WARRANTY IS GIVEN IN LIEU OF ANY OTHER WARRANTY EITHER EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE DESA Heating Products assumes no responsibility for indirect inc
17. ce fan guard and upper shell Setscrew Fan Motor Fan Setscrew Flush i Figure 10 Fan Cross Section Motor Shaft Figure 9 Fan Motor Shaft and Setscrew Location AIR OUTPUT AIR INTAKE AND LINT FILTERS 1 Remove upper shell see Figure 7 or 8 2 Remove filter end cover screws using 5 16 nut driver see Figure 11 or 12 3 Remove filter end cover 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 Air Intake Filter Filter End Cover K MAMA SSS Lint Filter Air Output Filter Figure 11 Air Output Air Intake and Lint Filters 40 55 60 70 Models Only Air Intake Filter Filter End Cover Lint Filter Air Output Filter Figure 12 Air Output Air Intake and Lint Filters 110 115 155 165 200 Models Only For more information visit www desatechicom 111167 01C SERVICE PROCEDURES SERVICE PROCEDURES Continued PUMP PRESSURE ADJUSTMENT e and Bushin 1 Remove pressure gauge plug from filter end cover see Figure 13 2 Install accessory pressure gauge part number HA1180 3 Start heater see Operation page 5 Allow motor to reach Se full speed 1 D 4 Adjust pressure Turn relief valve to right to increase pressure 2 Turn relief valve to left to dec
18. ct from nozzle adapter see Figure 21 or 22 page 12 or Figure 25 and from fuel filter see Fuel Filter pages 9 and 10 If air line hose is damaged disconnect from nozzle adapter see Figure 21 or 22 page 12 or Figure 25 and from barb fitting on pump end cover see Figure 27 5 Install new air and or fuel line Attach one end of air line hose to barb fitting on pump end cover see Figure 27 and the other end to nozzle adapter see Figure 21 or 22 page 12 or Figure 25 Attach one end of fuel line hose to fuel filter see Fuel Fil ter pages 9 and 10 and the other end to nozzle adapter see Figure 21 or 22 page 12 or Figure 25 Note Route hoses as shown in see Figure 21 or 22 page 12 or Figure 25 according to model Hoses are not to touch pho tocell bracket 6 Replace side cover 7 Replace upper shell and fan guard see Upper Shell Removal page 8 Pump End Cover Barb Fitting Barb Fitting V Air Hose 40 55 60 70 Models 110 115 155 165 200 Models Figure 27 Air Hose to Barb Fitting i DESA SERVICE PROCEDURES SERVICE PROCEDURES Continued PUMP ROTOR Procedure if Rotor is Binding 1 Remove upper shell see Upper Shell Removal page 8 2 Remove filter end cover screws using 5 16 nut driver see Fig ure 28 or 29 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 and blade
19. d dry with soap and water every 500 hours See Air Output Air Intake and Lint Filters page 8 of operation or as needed Fuel filter Clean twice a heating season or as needed See Fuel Filter pages 9 and 10 Ignitor No maintenance required Fan blades Clean every season or as needed See Fan page 8 Motor Not required permanently lubricated Savech yc 011 For more information visit www d 111167 01C TROUBLESHOOTING 7 TROUBLESHOOTING WARNING Never service heater whileitis 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 No power to heater 1 Check circuit breaker in electrical panel heater is plugged in 2 Ifequipped thermostat settingistoolow 2 Turn thermostat knob to a higher setting A WARNING High voltage 3 Bad electrical connection between mo tor and ignition control assembly or ig nition control assembly and power cord 4 Binding pump rotor Defective ignition control assembly Defective motor Blown fuse or ignitor control assembly IRA 3 IRA Check all electrical connections See Wiring Diagrams pages 16 and 17 If fan does not turn freely see Pump Ro tor page 14 Replace ignition control assembly Replace motor See Ignition Control Assembly page 15 Motor starts and runs but heater does not 1 No fuel in tank 1
20. dustrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com Printed in U S A For more information visit www desatechrcom
21. e 18 Fuel Valve Replacement 200 Model Only For more information visit www de satech com 111167 01C SERVICE PROCEDURES SERVICE PROCEDURES Continued IGNITOR 1 Remove upper shell and fan guard See Upper Shell Removal page 8 Remove fan see page 8 Remove 4 side cover screws with a 5 16 nut driver Remove side cover see Figures 15 or 16 page 9 or Figure 17 page 10 4 Disconnect ignitor wires from ignition control assembly see Figure 19 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 19 6 Remove combustion chamber Stand combustion chamber on end with nozzle adapter bracket on top see Figure 20 7 Remove ignitor screw with a 1 4 nut driver Carefully remove ignitor from nozzle adapter bracket A CAUTION Do not bend or strike ignitor element Handle with care Nozzle Adapter Combustion Bracket Chamber ae Air Line Hose Ignitor Wire Fuel Line Hose Photocell Bracket Ignition Control Photocell Assembly Assembly Side Cover Figure 19 Disconnecting Ignitor Wires from Ignition Control Assembly 40 55 60 70 110 115 155 165 Models Shown For 111167 01C cC more information visit www desatech 8 Carefully remove replacement ignitor from styrofoam packing 9 Carefully guide ignitor into opening in nozzle adapter bracket Do not strike
22. ective photocell 9 Defective ignition control assembly For more information visit www desatech 111167 01C 7 8 9 Check electrical connections See Wir ing Diagrams pages 16 and 17 Replace photocell Replace ignition control assembly aw DESA SERVICE PROCEDURES SERVICE PROCEDURES WARNING To avoid risk of burn and electrical shock never attempt to service heater while it is plugged in operating or hot UPPER SHELL REMOVAL 1 Remove screws along each side of heater using 5 16 nut driver These screws attach upper and lower shells together See Fig ure 7 or 8 2 Lift upper shell off 3 Remove fan guard Screw SEN Upper Shell Upper Shell I FF Guard Figure 7 Upper Shell Figure 8 Upper Shell Removal 40 50 60 70 Removal 110 115 155 165 200 Models Only Models Only 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 pitch see Figure 9 1 Remove upper shell see Figure 7 or 8 2 Use 1 8 allen wrench to loosen setscrew which holds fan to motor shaft 3 Slip fan off motor shaft 4 Clean fan using 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 10 7 Place setscrew on flat of shaft Tighten setscrew firmly 40 50 inch pounds 4 5 5 6 n m 8 Repla
23. idental or consequential damages Some states do not allow the exclusion or limitation of incidental or consequential damages or limitations or exclusions may not apply to you This Limited Warranty gives you specific legal rights and you may also have other rights which vary from state to state WARRANTY SERVICE Should your heater require service return it to your nearest authorized service center 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 Heating Products will repair or replace the heater without charge REPAIR SERVICE Return the heater to your nearest authorized service center Each Service Center is independently owned and operated Repairs not covered by the warranty will be billed at standard prices We reserve the right to amend these specifications at any time without notice Illustrated parts lists can be obtained free of charge Send a self addressed stamped envelope to the address listed below List the heater model number and the date located in the lower right corner of this page A service manual may be purchased from the address listed below Send a check for 5 00 payable to DESA Heating Products When writing for information regarding your heater be sure to include the model number and serial number as shown on the model plate For more information about this warranty write BD E S A HEATING PRODUCTS 2701 In
24. into generator the output cess debris from clogging filters during future use voltage should be verified if generator is equipped with the automatic 4 idle feature the output voltage should be measured with the generator running at full speed If the voltage does not measure in this range the heater should not be plugged into the generator 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 Refer to Operation page 5 for starting stopping and resetting free of dust and corrosive fumes heater procedures IMPORTANT Do not store kerosene over summer months for use during next heating season Using old fuel could damage heater Ground Lug Alternator Copper or Brass Grounding Point Ground Wire 10 AWG Stranded Copper Figure 6 Typical Generator Grounding Method Generator construction may vary from that shown PREVENTATIVE MAINTENANCE SCHEDULE A WARNING Never service heater while it is plugged in operating or hot Severe burns and electrical shock can occur Item How Often How To Fuel tank Flushevery 150 200 hours of operation or as needed See Storing Transporting or Shipping above Air output and lint filters Replace every 500 hours of operation or once a year See Air Output Air Intake and Lint Filters page 8 Air intake filter Wash an
25. nly 1 Ken Remove combustion chamber and ignitor by following steps I through 7 under Ignitor page 11 Carefully place the ignitor in a safe location Remove two nozzle adapter bracket screws see Figure 25 Place hex shaped aluminum nozzle adapter into vise do not overtighten Carefully remove nozzle from nozzle adapter using 5 8 socket wrench see Figure 26 Blow compressed air through face of nozzle This will re move any debris in nozzle Inspect nozzle seal for damage Replace nozzle into nozzle adapter until nozzle seats Tighten 80 110 inch pounds Attach nozzle adapter bracket to combustion chamber with two screws removed in step 3 10 Repeat steps 9 through 16 under Ignitor page 11 Figure 25 Removing Air and Fuel Line Hoses 200 Model Only Nozzle Face Combustion Chamber T Nozzle Adapter Adapter Screw Bracket Photocell Nozzle Bracket Adapter Assembly Air Line Fuel Line Hose Hose Nozzle Sleeve Nozzle Adapter Nozzle Nozzle Adapter Bracket Air Line Fitting Fuel Line Fitting Figure 26 Nozzle and Nozzle Adapter 111167 01C FUEL AND AIR LINE REPLACEMENT AND PROPER ROUTING 1 Remove upper shell see Upper Shell Removal page 8 2 Remove side cover screws using 5 16 nut driver see Figure 15 or 16 page 9 or Figure 17 page 10 3 Remove side cover Inspect fuel and air line hoses for cracks and or holes If fuel line hose is damaged disconne
26. rease pressure See specifica ET gt tions correct pressure for each model see Figure 14 gt z S 5 Remove pressure gauge Replace pressure gauge plug in filter e m T end cover FF Pressure m MONS ui Gauge i E Plug Relief A Valve Side Cover Figure 15 Fuel Filter Removal 40 55 60 70 Models Fuel Filter Bushing O Figure 13 Pressure Gauge Plug Removal 40 55 60 70 Models angkower Pue cine h Shown Pump o Model Pressure Pressure i 40 3 0 PSI 55 3 4 PSI 60 3 4 PSI 70 4 7 PSI 110 5 1 PSI 115 5 1 PSI 155 5 2 PSI 165 5 6 PSI 200 6 2 PSI Figure 14 Adjusting Pump Pressure 40 55 60 70 Models Shown FUEL FILTER For 40 55 60 70 110 115 155 165 Models Only 1 Remove side cover screws using 5 16 nut driver Figure 16 Fuel Filter Removal 110 115 155 165 Models Upper Fuel Line 2 Remove side cover 3 Pull upper fuel line off fuel filter neck see Figure 15 or 16 4 Carefully pry bushing fuel filter and lower fuel line 110 115 155 165 Models only out of fuel tank see Figure 16 Wash fuel filter with clean fuel and replace in tank am Attach upper fuel line to fuel filter neck 7 Replace side cover i DESA For more information visit www desatech 111167 01C SERVICE PROCEDURES SERVICE PROCEDURES Continued For 200 Model Only FUEL VALVE 1 Remove side cover screws using 5 16 nut driver For 200 Models Equipped with Fuel Valve 2 Remove side cover see
27. s see Figure 28 or 29 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 30 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 see Upper Shell Removal page 8 12 Adjust pump pressure see Pump Pressure Adjustment page 9 Note If rotor is still binding proceed as follows 13 Perform steps 1 through 6 14 Place fine grade sandpaper 600 grit on flat surface Sand ro tor lightly in figure 8 motion four times see Figure 31 15 Reinstall insert and rotor 16 Perform steps 10 through 12 Blade Pump Plate Air Intake Filter Filter End Air Output Filter Figure 28 Rotor Location 40 55 60 70 Models Blade Pump Plate Air Intake Filter Filter End Cover Rotor Insert Air Output Filter Figure 29 Rotor Location 110 115 155 165 200 Models Gap Adjusting Screw 003 004 076 101 mm Gap Measured With Feeler Blade Gauge Rotor Gap Adjusting Screw Figure 30 Gap Adjusting Screw Locations Sandpaper Figure 31 Sanding Rotor For more information visit www desatech com 111167 01C SERVICE PROCEDURE Continued IGNITION CONTROL ASS
28. tension cord Plug into grounded outlet only Use only in areas free of flammable vapors or high dust content Minimum clearance from any combustible materials 8 feet 244 cm from hot air outlet 4 feet 122 cm from top and 4 feet 122 cm from sides and inlet Locate heater on a stable and level surface while hot or operat ing or a fire may occur 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 Keep children and animals away from heater at all times Never start heater when combustion chamber is hot or if fuel has accumulated in combustion chamber When used with thermostat heater may start at anytime When heater is moved or stored it must be in a level position or fuel spillage may occur Use heater only in accordance with local ordinances and codes Never use gasoline crankcase drainings naphtha paint thinners alcohol or other highly flammable fuels Never use heater where gasoline paint thinner or other highly flammable vapors are present Never use heater in living or sleeping areas Never leave a heater plugged in without adult supervision if children or animals are likely to be present Never move handle refuel or service a hot operating or plugged in heater Never attach duct work to front or rear of heater Never attach heater to external fuel tank Heaters used
29. ught heater Side Cover Thermostat iti Knob Ignition Control Assembly On Inside Mon of Side Cover Power Cord Fyel Tank Models Only Figure 2 110 115 155 165 Models mi DESA For more information visit www desatech 111167 01C THEORY OF OPERATION FUELS VENTILATION THEORY OF OPERATION The Fuel System The air pump forces air through the air line The air is then pushed through the nozzle This air causes fuel to be lifted 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 airis 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 flame goes out Combustion Chamber Motor Air Pump Ignitor Air Intake Fan Filter inm j um Clean e Cool Heated dm Air Air Out In lt lt a Air M Output Filter NP Fuel Nozzle Fuel Air Line Ignition Control Tank Filter To Burner Assembly Air For Combustion And Heating dm Figure 4 Cross Section Operational View Air For Fuel System dn FUELS A WARNING Use only kerosene
30. y tighten 6 Carefully remove nozzle from the nozzle adapter using 5 8 socket wrench see Figure 24 7 Blow compressed air through face of nozzle This will free any dirt in nozzle area Inspect nozzle sleeve for damage 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 24 Combustion Chamber PRIUS Nozzle Adapter Bracket Nozzle Adapter Assembly Photocell Bracket Fuel Line Hose Figure 21 Removing Air and Fuel Line Hoses 40 55 60 70 Models Only Combustion Chamber En Nozzle Adapter Bracket Nozzle Adapter Air Line Hose Assembly Fuel Line Hose Photocell Bracket Figure 22 Removing Air and Fuel Line Hoses 110 115 155 165 Models Only For more information visit www de 10 Attach nozzle assembly to burner strap see Figure 23 11 Attach fuel and airline hoses to nozzle assembly See Fuel and Airline Replacement and Proper Routing page 13 12 Replace fan see Fan page 8 13 Replace fan guard and upper shell see Upper Shell Removal page 8 Combustion Chamber LC Nozzle Adapter Assembly Figure 23 Removing Nozzle Adapter Assembly Nozzle Face Nozzle Nozzle Adapter Air Line Fitting Fuel Line Fitting Figure 24 Nozzle and Nozzle Adapter satech com 111167 01C SERVICE PROCEDURES SERVICE PROCEDURES Continued For 200 Model O
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