Desa B350CEA User's Manual
Contents
1. Black Black Thermostat B Burner Reset White Control R Button Start Capacitor ni Blue Red Black Black Orange White Yellow Purple ea Black Terminal Red Terminal Board Eca Board ls yl la l pue Black E White Purple Yellow mm ti White yell Eh Spark R ON Filter Plu Switch m 9 Solenoid Valve 2 Ignitor lt El White Blue a J Blue Orange Photocell 220 240V 50HZ Purchase this heater accessory from you local dealer HIGH PRESSURE AIR GAGE M4574 Special tool to check pump pressure 103807 PARTS LIST Burner Head Assembly PART NO M10908 2 099229 01 HA3012 M51070 02 M51170 01 M50924 02 69246 M50077 02 M50297 M50429 OONOARWD 4 o DESCRIPTION Screw 6 32 x 3 8 Photocell bracket Spark plug Nozzle Plug Burner head body Straight nipple Solenoid valve Compression elbow Spark plug gasket Motor and Pump Assembly PART NO 097495 02AA HF5 5C WLE 5 M11084 26 M50064 07 M50116 099520 05AA 57413 M17499 2 098102 01 098103 01 M501 14 02 M50297 M501 13 02 M50065 02 WLE 5 NPF 5C 097630 02 098894 01 M50104 02 M10908 1 M50400 RF3 5B 099125 05 099125 04 099157 01 M12650 12 M51226 01 M51231 01 FPF3 42. MASTER HIGH PRESSURE PORTABLE FORCED AIR HEATER OWNER S MANUAL Model B350CEA Heater Size 340 000 Btu Hr 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 CONTENTS SAFETY INFORMATION SECTION PAGE Safety Information 2ciec1ssiesissdigea int ai a anise aiiai 2 Product Identifications cis isccipescedsnecccstass scosssascssecadagea ogaaeea e ETENN R t 4 Unpack A ION 4 ASSEMDIY si Ao iain Bib as 4 Theory OF Operation si 5 sscesttsacsbut cospesd ensatesszncas seatadde ARAE ECEE i REEE ens 6 Eli is 7 V ntilation s 2 siesta aiii 7 Operation iii seseetosticebstesigesceeaaee VEEE AEAEE ANEA 8 Storing Transporting or Shipping 0 eee eee eeecseceeeceseeeeeeeseeeneesaeeeseeees 9 Preventative Maintenance Schedule oooooonnnccnncccnnonanioccnonoccnnncononcconnnc n 10 Troubleshoot gaerra cscebhessctuctesdbesnabageecasageevancacvags cies 11 Service Procedures tc iia 14 Upper ShellVRemovallisctecscicsitscessaascctesesccestadcevst iesin iaer iias 14 Fan Blades iueiai a a Aee oian 14 Spark Plug cuando de 15 NOZZE A TE NO 15 Pump Pressure Adjustment c ooooccnocccocononoconoconnnoncnannnn nono nono nocnnannnannos 16 E ea a ee A tastes 16 Fuel Lines enano cti 16 Enel Pitre Lt a dead cate ca E da 17 Sp e AAA Ae ae atari eek 18 Wiring Diagra
3. al 7 Fuel Line T i uel Fuel Tank Nozzle uel Line 10 Electronic Filter Solenoid Valve Ignitor Air for Combustion lt a and Heating lt Q Fu Figure 3 Cross Section Operational View 103807 FUELS VENTILATION AWARNING 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 heavy fuels will result in e clogged fuel filter and nozzle e carbon build up on spark plug e the need of non toxic anti icer in fuel during very cold weather IMPORTANT Use a KEROSENE ONLY storage container Be sure storage container is clean Foreign matter such as rust dirt or water will cause burner control to shut down heater Foreign matter may also require fuel system to be cleaned frequently A WARNING Follow the minimum fresh outside air ventilation requirements If proper fresh outside air ventilation is not provided carbon monoxide poisoning can occur Provide proper fresh outside air ventilation before running heater Fresh Air Opening Requirements Square Square Heater Size Feet Opening Centimeter Opening 340 000 Btu Hr 10 5 9755 Note If you use more than one heater provide extra fresh air Provide a fresh air opening of at least three square feet 2800 square cm for each 100 000 Btu Hr rating 103
4. 0 HC4 18C M51043 01 M50062 098513 05 M50063 M18774 NTC 4C M50389 C5 10C WP 10C M50296 M27417 099566 03 M11084 29 WLE 3 M50104 03 DESCRIPTION Upper shell Screw 10 16 x 1 2 Combustion chamber amp shield Bushing Grommett Burner head assembly Photocell assembly Fan Fan guard Fan switch Fan switch cover Sleeve Screw 10 16 x 3 8 Motor amp pump assembly Power cord Fuel line Ignition boot Electronic ignitor Lower shell Clip nut Screw 12 14 x 1 2 Bushing Wire harness Fuel line assembly Front handle Fuel cap Filler neck screen Screw 1 4 20 x 2 1 4 Screw 1 4 20 x 1 1 2 Rear handle Fuel tank Wheel support frame Axle Hex lock nut 1 4 20 Wheel Cotter pin 5 32 x 1 1 4 Flatwasher 5 8 Wheel spacer Drain plug Thermostat Screw 10 16 x 3 4 Lockwasher 10 Bushing t Not available as complete assembly See page 19 M A O a NS Hope area ta EEN A eles SO 103807 EC CONFORMITY DECLARATION EC CONFORMITY DECLARATION DESA Europe B V Innsbruckweg 144 NL 3047 AH Postbus 11158 NL 3004 ED Rotterdam Holland Manufacturer DESA International Inc 2701 Industrial Drive Bowling Green KY 42101 U S A Kerosene Portable Forced Air Heater Model Number B350CEA It is declared that these models conform to the Machinery Directive 89 392 EEC including 91 368 EEC It is further declared that these models conform to the EMC Dirctive
5. 4 Rinse fuel filter and fuel lines with clean kerosene 5 Replace fuel filter into fuel tank 6 Connect fuel lines to pump and pump fuel filter assembly B Pump Fuel Filter 1 Unscrew canister bottom from canister top with Channellock pliers 2 Remove fuel filter and gasket from canister bottom see Figure 16 3 Inspect canister bottom and fuel filter for water or dirt 4 Rinse canister bottom in clean kerosene 5 Wipe inside of canister bottom dry with clean cloth 6 Rinse fuel filter in clean kerosene 7 Put clean fuel filter and gasket back in canister bottom 8 Screw canister bottom into canister top Pump Fuel Filter Assembly ie SX a A 2 d A f Fuel Lines A 4 J x N Di Fuel Filter Figure 15 Removing Tank Fuel Filter T Nj Filter Canister Top al Canister Bottom Figure 16 Fuel Pump Filter and Canister 103807 SPECIFICATIONS WIRING DIAGRAM ACCESSORY Output Rating Btu Hr Fuel Fuel Tank Capacity U S Gal Liters Fuel Consumption Gal Per Hr Liter Per Hr Electric Requirements Amperage Normal Run Motor RPM Fuel Pump Pressure PSI Spark Plug Gap Weight approx lbs kilograms Dry net With Full Fuel Tank Green Yellow_ 340 000 Use Only Kerosene or No 1 Fuel Oil 30 113 6 2 5 9 5 220 240V 50 Hz 5 2850 100 055 1 4 mm 180 82 390 177
6. 807 OPERATION AWARNING Review and understand the warnings in the Safety Information Section They are needed to safely operate this heater To Start Heater Follow all ventilation and safety information Fill fuel tank with kerosene or No 1 fuel oil 1 2 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 heater into a standard 220 240 volt 50 hertz grounded earthed outlet Use an extension cord if needed Use only a three wire grounded earthed extension cord Extension Cord Wire Size Requirements Up to 100 feet 30 5 meters long use 16 AWG 1 0 mm conductor 101 to 200 feet 30 6 to 61 meters long use 14 AWG 1 5 mm conductor 201 to 300 feet 61 1 to 91 5 meters long use 12 AWG 2 mm conductor 6 The motor will start when power cord is plugged into outlet The heater should ignite at once If heater does not ignite restart heater To restart heater wait 60 seconds then push in burner control reset button Burner control reset button is at rear of heater near power cord see Figure 4 Note If starting heater for first time you may need to restart heater several times before heater ignites You may also have to do this after taking heater out of storage SSS A SAS Gi OSOS LN SSI gt Sc SSS SS y OSOS gt N SA Sn DY
7. 89 336 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 Douglas D Rohrer Title Vice President Specialty Products Engineering 03 15 96 Bowling Green KY D ouk Polos Date and Place Signature 103807 NOTES 103807 WARRANTY AND REPAIR SERVICE CERTIFICATE OF GENERAL EQUIPMENT LIMITED 90 DAY WARRANTY DESA International warrants new Products sold by it to be free from defects in material or workmanship for a period of ninety days after date of delivery to the first user and subject to the following conditions DESA International s obligation and liability under this Warranty is expressly limited to repairing or replacing at DESA International s option any parts which appear to DESA Interna tional upon inspection to have been defective in material 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 compo nent parts or accessories of Products not manufactured by DESA International and which carry the warranty of the manu facturer thereof or to normal maintenance such as pressure adju
8. ATION UNPACKING ASSEMBLY Hot Air Outlet Upper Shell Lower Shell Motor and Pump Assembly Thermostat Power Cord Burner Control Fuel Tank Reset Button Figure 1 B350CEA Btu Hr Model 1 Remove all protective packing applied to heater for shipment 2 Remove heater from shipping container 3 Check heater for any shipping damage If heater is damaged promptly inform dealer where you bought heater This model is furnished with wheels and front and rear handles Wheels handles and mounting hardware are found in the shipping carton TOOLS NEEDED e Pliers e Two 7 16 Open or Adjustable Wrenches 1 Slide axle through wheel support frame Install wheel spacer and then one flat washer on each end of axle 2 Install wheels on axle IMPORTANT When installing wheels point exetended hub of wheels toward wheel support frame see Figure 2 page 5 3 Slide one flat washer on each axle end in front of wheel 4 Install cotter pins through holes at each end of axle Bend cotter pins with pliers to secure 5 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 6 Place front and rear handles on top of fuel tank flange Insert screws through handles fuel tank flange and wheel support frame Attach nut finger tight after inserting each screw 7 After inserting all screws tighten nuts firm
9. C WLE 3 NPF 3C NPF 3B 099177 01 103259 01 099891 01 WLE 5 DESCRIPTION Wiring cover Screw 5 16 24 x 5 16 Lockwasher 5 16 Screw 10 16 x 3 8 Motor Flange clamp holds pump to motor Motor support Street elbow Pipe nipple Fuel filter assembly Filter element inside fuel filter assembly includes rubber gaskets 90 Male elbow Compression elbow Straight fitting Fuel pump Lockwasher 5 16 Hex nut 5 16 24 Flame out control Power relay Shorty bushing Screw 6 32 x 1 4 Strain relief bushing Screw 10 32 x 1 2 Terminal board Terminal board Rivet Capacitor Capacitor cap Capacitor bracket Screw 10 32 x 1 2 Lockwasher 10 Nut 10 32 Nut 10 32 Hex nut Power Line Filter Nut Lockwasher 5 16 ANS 4 4 4 4 4 4 4 1 4 3 2 1 1 1 1 2 1 1 1 2 7 2 2 1 1 1 1 103807 ILLUSTRATED BREAKDOWN 103807 PARTS LIST 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 PART NO M50060 02AB M11084 27 M50542 01 M30865 02 1000576 1 M16656 18 M50121 02 102243 01AA M51336 02 M51160 01 M50278 M11084 26 1 079673 03 M50295 M50050 098641 07 M50061 02AB M11271 8 M11084 3 M50104 02 099509 03 M50115 01 M50062 03 097702 01 HA221
10. D Damaged plug 8 Solenoid valve not 8 opening A Add fuel to tank B Check fuel tank for bubbles of water in bottom If found remove fuel see Storage page 9 Clean tank and fuel filters see Fuel Filters page 17 Fill with clean fuel C Remove wrong fuel see Storage page 9 Clean tank and fuel filters see Fuel Filters page 17 Fill with correct fuel Replace nozzle see Nozzle page 15 Move heater to warmer place until fuel flows freely Clean fuel filters see Fuel Filters page 17 Adjust pump pressure see Pump Pressure Adjustment page 16 Connect spark plug wire to spark plug A Adjust electrode gap to 055 1 4 mm see Spark Plug page 15 B Clean fuel from spark plug with clean soft cloth C Replace plug if heavily coated with carbon see Spark Plug page 15 D Inspect plug for worn or eroded electrodes If found replace plug see Spark Plug page 15 Check electrical connections and voltage to solenoid If good replace solenoid valve A WARNING High Voltage 9 Damaged electronic ignitor 9 Replace electronic ignitor 103807 TROUBLE SHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater ignites but burner control shuts off heater after a short period of time 1 Wrong pump pressure 2 Dirty fuel filters 3 Dirt in nozzle 4 Dirty photocell lens 5 Open or damaged photocell 6 Bad b
11. IS WARRANTY IN ANY WAY OR GRANT ANY OTHER WARRANTY UNLESS SUCH CHANGE IS MADE IN WRITING AND SIGNED BY AN OFFICER OF DESA INTERNATIONAL AT ITS HOME OFFICE Printed in U S A WARRANTY SERVICE Always specify model and serial numbers 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 A Service Manual is available by writing to the Technical Service Department at INTERNATIONAL Corporate Headquarters 2701 Industrial Drive P O Box 90004 Bowling Green Kentucky 42102 9004 U S A 103807 01 Rev A 08 96
12. OKA NOAA NS Paanan EOS AYIA AAAS SQ A SOY KS SA OSOS NN SS D FANNS QASSASS Burner Control Reset Button Figure 4 Burner Control Reset Button 103807 OPERATION Continued STORING TRANSPORTING OR SHIPPING To Stop Heater A CAUTION Never unplug heater while heater is running Heater must go through purge cycle The purge cycle cools the combustion chamber Damage to heater can occur if combustion chamber is not cooled Do not restart heater until purge cycle is complete 1 Turn thermostat dial to lowest temperature setting This will cause heater flame to go out The motor will continue to run during the purge cycle This allows the fan to cool the combustion chamber When the purge cycle is finished the motor will stop Do not unplug heater until purge cycle is finished 2 Unplug extension cord from outlet 3 To temporarily stop heater set thermostat at a temperature lower than air around heater Heater will cycle back on if air temperature around heater matches thermostat setting To Restart Heater A CAUTION Do not restart heater until purge cycle is finished The purge cycle cools the combustion chamber 1 Wait until purge cycle is finished after stopping heater 2 Repeat steps under To Start Heater page 8 Note If shipping transport companies require fuel tanks to be empty 1 Drain all fuel from fuel filters fuel lines and pu
13. for trash when filling fuel tank Clean when dirty Clean twice a heating season or replace as needed Check and tighten loose connections occasionally Clean fuel filter element every 250 hours Clean and regap every 300 hours of operation or replace as needed Clean each season or as needed Check each season for dirt and trash Not required permanently lubricated 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 103807 TROUBLE SHOOTING A WARNING Never service heater while it is plugged in operating or hot Severe burns and electrical shock can occur Only a qualified service person should service and repair heater OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Motor does not start when heater is plugged in and thermostat setting is higher than surrounding air temperature 1 No power or low voltage at heater due to A Damaged power cord or extension cord B Wrong size extension cord C Heater plugged into outlet with voltage lower than 220 240 volts 2 Loose electrical connec tions 3 Motor overload protector tripped due to A Dirty fan B Debris pulled into fan area by fan C Binding pump D Low voltage 4 Burner control
14. h 3 Remove spark plug wire from spark plug 4 Remove spark plug from burner head using 13 16 open end wrench 5 Remove five screws using 5 16 nut driver and remove burner head from combustion chamber 6 Place burner head into vise and lightly tighten 7 Carefully remove nozzle from burner head using 5 8 socket wrench see Figure 9 8 Inspect nozzle for damage If damaged or clogged replace nozzle 9 Make sure plug is in place on burner head 10 Replace nozzle into burner head and tighten to 80 110 inch pounds 9 1 to 12 4 n m 11 Attach burner head to combus tion chamber 12 Install spark plug in burner head 13 Attach spark plug wire to spark plug 14 Attach fuel line to solenoid valve Tighten firmly 15 Replace upper shell Burner Head Burner Head Spark Plug Spark Spark Plug Solenoid ea Val ses Wire Fuel Line Figure 9 Replacing Nozzle Plug Wire 055 inch 1 4 mm 103807 Pump Pressure Adjustment 1 Remove pressure gage plug from fuel pump port marked GAGE 2 Install accessory pressure gage part number M4574 to fuel pump port marked GAGE see Figure 10 Start heater see Operation page 8 Allow motor to reach full speed 4 Adjust pressure to 100 psi Use small flat blade screw driver to turn slotted screw at fuel pump port marked PRESS ADJ Turn screw clockwise to increase pressure Turn screw cou
15. ions see Fuel Lines page 16 103807 SERVICE PROCEDURES Upper Shell Removal 1 Remove screws and lockwashers along each side and top of heater using 5 16 nut driver These screws attach upper and lower shells together see Figure 5 2 Lift upper shell off Fan Blades 1 Remove upper shell see above 2 Clean fan blades with clean soft cloth moistened with kerosene or solvent see Figure 6 Dry fan blades thoroughly 4 Replace upper shell W A WARNING Never service heater while it is plugged in operating or hot Severe burns and electrical shock can occur Only a qualified service person should service and repair heater 0 0 Upper Shell ty A fe fl cel HRY ES SO QU ey NU Gs AN A EN Figure 5 Upper Shell Removal Fan Blade Figure 6 Fan Blades 103807 Spark Plug 1 Remove upper shell see page 14 2 Remove spark plug wire from spark plug see Figure 7 3 Remove spark plug from burner head using 13 16 open end wrench see Figure 7 4 Replace spark plug if damaged or heavily coated with carbon 5 Clean and regap spark plug electrodes to 055 inch 1 4 mm see Figure 8 6 Install spark plug in burner head 7 Attach spark plug wire to spark plug 8 Replace upper shell Nozzle 1 Remove upper shell see page 14 2 Remove fuel line from solenoid valve using 7 16 wrenc
16. ly 103807 ASSEMBLY Continued Front Handle Hot Air Rear Outlet Handle Fuel Tank Flange Air Inlet Wheel Support Frame Extended Hub Axle Wheel Spacer Flat Washer Flat Washer Figure 2 Wheel and Handle Assembly 103807 THEORY OF OPERATION Clean Heated Air Out The Fuel System The motor turns the fuel pump The fuel pump pulls fuel from the fuel tank The fuel pump pushes fuel through a filter and a solenoid valve and out the burner head nozzle 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 electronic ignitor sends voltage to the spark plug The spark plug ignites the fuel and air mixture The Burner Control System This system causes the heater to shut down if the flame goes out It also allows the fan to continue running after normal shutdown of heater This cools the combustion chamber Siar Solenoid Motor Combustion Spark Valve Fan Fuel Pump Chamber Plug ea Fuel Filter SS lt m s lt i lt Cool Air In lt lt lt Fuel I Pickup 1 Line
17. m sce iaiia aa 18 ACCESO estetica t E ri diste auld 18 Illustrated Parts Breakdowns and Parts Lists oooonoccnnncccnnoccnonccnnnccnnnnonn 19 EC Conformity Declraration ooonoconicnnncnnocnnonononcnononnnonnncnnncnnn cnn corn nconncnno 22 Warranty and Repair Service ooooonoccnocnnocanocononnnnncnnncnnnonnannannos Back Cover A WARNINGS IMPORTANT Read this Owner s Manual carefully and completely before trying to assemble operate or service this heater Improper use of this heater can cause serious injury or death from burns fire explosion electrical shock electrocution 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 or nausea 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 people with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Safety Information continued on next page 103807 SAFETY WARNINGS Continued IN F O R MATI ON Make certain you read and understand all Warnings Keep this manual for Continued reference It is your guide to safe and proper operation of this heater e Use only kerosene or No 1 fuel oil to avoid risk of fi
18. mp see Fuel Filters Tank Fuel Filter page 17 2 Clean and flush fuel filter and canister attached to fuel pump see Fuel Filters Pump Fuel Filter page 17 Remove drain plug and drain fuel tank Replace drain plug Add one gallon four liters of clean kerosene to fuel tank Attach fuel cap Move the heater forwards and backwards to stir fuel Remove drain plug and drain fuel tank Oo ON NWN Bb YW Replace drain plug 10 Add two gallons eight liters of clean kerosene or No 1 fuel oil to fuel tank 11 Replace fuel cap 12 Operate heater for 5 minutes see Operation page 8 13 Stop heater and let cool completely 14 Remove drain plug and drain fuel tank 15 Replace drain plug 16 Properly dispose of old and dirty fuel 17 Store heater in a dry location 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 103807 PREVENTATIVE MAINTENANCE SCHEDULE A WARNING Never service heater while it is plugged in operating or hot Severe burns and electrical shock can occur Item Fuel tank Filler neck screen Fuel filter assembly Fuel tank Fuel filter lines Fuel filter Pump Spark plug Fan blades Air passages around burner head Motor How Often Flush every 150 200 hours of operation or as needed Check
19. not reset 5 Damaged burner control 6 Damaged power relay 7 Damaged thermostat 8 Binding pump 1 A Check condition of power cord or extension cord Repair or replace if damaged B Use extension cord with proper wire size see To Start Heater page 8 C Make sure heater is plugged into 220 240 volt 50 hertz outlet 2 Check connections Tighten if loose 3 A See Fan Blades page 14 B Remove debris from fan and fan guard area C Turn fan by hand If fan is hard to turn see Pump page 16 D See steps B and C under item 1 above Note Be sure to reset motor overload protector by pressing reset button on top of motor 4 Press and release burner control reset button See Figure 4 page 8 for button location Replace burner control Replace power relay Replace thermostat on A WN Turn fan by hand If fan is hard to turn see Pump page 16 103807 TROUBLE SHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater will not ignite but motor runs for a short period of time 1 A Fuel tank empty 1 B Water in fuel C Wrong fuel 2 Dirt in nozzle 2 3 Very low temperature 3 may cause fuel to thicken and not flow 4 Dirty fuel filters 4 5 Wrong pump pressure 5 6 Spark plug wire discon 6 nected from plug 7 Spark plug problems due 7 to A Wrong gap B Plug wet with fuel C Carbon deposits on plug
20. nted areas Provide at least three square feet 2800 square cm of fresh outside air for each 100 000 Btu Hr of rating Use only in places free of flammable vapors or high dust content Use only with the electrical voltage and frequency specified on model plate Use only a three prong grounded earthed extension cord Heaters used in the vicinity of tarpaulins canvas or similar enclosure materials shall be located a safe distance from such materials The recommended mini mum Safe distance is 10 feet 304 8 cm It is further recommended that these enclosure materials be of a fire retardant nature These enclosure materials shall be securely fastened to prevent them from igniting or from upsetting the heater due to wind action Minimum heater clearances from combustibles Outlet 8 Ft 250 cm Top Rear and Sides 4 Ft 125 cm Locate heater on a stable and level surface while hot or running or a fire may occur When heater is moved or stored it must be ina level position or fuel spillage may occur Keep children and animals away from heater Unplug heater when not in use This heater has a built in thermostat Plugged in heater may start at 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 103807 PRODUCT IDENTIFIC
21. nterclockwise to decrease pressure 5 Remove pressure gage Replace pressure gage plug in fuel pump port marked GAGE W Pump Procedure if pumpis binding 1 Remove upper shell see page 14 2 Loosen hex screw on flange clamp at rear of motor with 5 16 nut driver see Figure 11 3 Turn fan with hand see Figure 12 4 If fan turns freely tighten screw on flange clamp 5 If fan does not turn freely replace pump 6 Replace upper shell Fuel Lines Procedure for tightening fuel lines 1 Remove upper shell see page 14 2 Use 7 16 wrench and tighten fuel lines at solenoid valve see Figure 13 pump and pump fuel filter assembly see Figure 14 Pressure N Y Gage Fuel Pump Port Marked GAGE Fuel Pump Port Marked PRESS ADJ Figure 10 Adjusting Pump Pressure Hex Screw On Flange Clamp Figure 11 Location of Screw on Flange Clamp Solenoid Valve Figure 13 Fuel Line at Solenoid Valve Figure 12 Turning Fan with Hand Pump Fuel Filter SHA OOO OSA NSZ Figure 14 Fuel Lines at Pump and Pump Fuel Filter Assembly Fuel Lines 103807 Fuel Filters A Tank Fuel Filter 1 Disconnect fuel lines from pump and pump fuel filter assembly with 7 16 wrench see Figure 15 2 Carefully pry fuel filter loose from fuel tank with flat end of screwdriver 3 Inspect fuel filter for water or dirt
22. re or explosion Never use gasoline naphtha paint thinners alcohol or other highly flammable fuels Fueling a Personnel involved with fueling shall be qualified and thoroughly familiar with the manufacturer s instructions and applicable federal state and local 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 extinguished 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 25 feet 762 cm 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 having jurisdiction Never use heater where gasoline paint thinner or other highly flammable vapors are present Follow all local ordinances and codes when using heater Use only in well ve
23. stments 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 for the remainder of this Warranty as if such parts were original compo nents of said Product DESA INTERNATIONAL MAKES NO OTHER EXPRESS WARRANTY TO THE EXTENT PERMIT TED BY LAW DESA INTERNATIONAL MAKES NO IMPLIED WARRANTY AND MAKES NO WARRANTY OF MER CHANTABILITY OR FITNESS FOR ANY PARTICULAR PUR POSE IN ANY EVENT IMPLIED WARRANTIES INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PAR TICULAR 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 DESA International s obligation under this limited War ranty shall notinclude any liability for direct indirect incidential or consequential damage or delay If requested by DESA International Products or parts for which a warranty claim is made are to be returned transportation prepaid by user to the factory Any improper use including operation after discovery of defective or worn parts operation beyond capacity substi tution of parts not approved by DESA International or any alteration or repair by others in such manner as in DESA International s judgement affects the Product materially and adversely shall void this Warranty NO EMPLOYEE OR REPRESENTATIVE IS AUTHORIZED TO CHANGE TH
24. urner control 7 Damaged fan switch 1 Adjust pump pressure see Pump Pressure Adjustment page 16 2 Clean fuel filters see Fuel Filters page 17 3 Replace nozzle see Nozzle page 15 4 Clean photocell lens with clean soft cloth 5 Replace photocell 6 Replace burner control 7 Replace fan switch Heater burns but puffs of smoke can be seen Heater does not burn steady Heater burns with odor Heater smokes continuously 1 Wrong pump pressure 2 A Heater almost out of fuel B Water condensation in fuel tank C Wrong fuel 3 Dirty fuel filters 4 Air leak in suction system 5 Dirty nozzle 6 Low voltage causing motor to operate below rated speed 7 Loose fuel line 1 Adjust pump pressure see Pump Pressure Adjustment page 16 2 A Add fuel to tank B Check fuel tank for bubbles of water in bottom If found remove fuel see Storage page 9 Clean tank and fuel filters see Fuel Filters page 17 Fill with clean fuel C Remove wrong fuel see Storage page 9 Clean tank and fuel filters see Fuel Filters page 17 Fill with correct fuel 3 Clean fuel filters see Fuel Filters page 17 4 Tighten all fuel line connec tions see Fuel Lines page 16 5 Replace nozzle see Nozzle page 15 6 Check voltage at heater Voltage at heater should never be less than 198 volts 7 Check and tighten all fuel line connect
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