Desa and 55 User's Manual
Contents
1. Fuel gt Line Hose Q Photocell Ignition Bracket Control Photocell Assembly Assembly Side Cover Figure 9 Disconnecting Ignitor Wires from Ignition Control Assembly Ignitor lt Screw Ignitor Ignitor Element Nozzle Photocell Adapter Bracket Bracket Nozzle Adapter Bracket Opening Combustion 7 Chamber Figure 10 Ignitor Replacement Continued 35 000 50 000 And 55 000 Btu Hr H S I Series PORTABLE FORCED AIR HEATERS SERVICE PROCEDURES Continued NOZZLE 1 Remove upper shell see page 6 2 Remove fan see page 6 3 Remove fuel and air line hoses from nozzle assembly see Figure 11 4 Turn nozzle adapter 1 4 turn to left and pull toward motor to remove see Fig ure 13 5 Place nozzle adapter into vise and lightly tighten 6 Carefully unscrew nozzle from the nozzle adapter using 5 8 socket wrench see Figure 14 7 Blow compressed air through face of nozzle This will free any dirt in nozzle area 8 Inspect nozzle seal for damage Replace nozzle into nozzle adapter un til nozzle seats Tighten 1 3 turn more using 5 8 socket wrench 40 45 inch pounds 10 Attach nozzle assembly to burner strap 11 Attach and route fuel and airline hoses to nozzle assembly as shown see Fig ure 11 Route photocell wires as shown in Figure 11 12 Replace fan see page 6 13 Replace fan guard and upper shell see page 6 Combustion Chamber2. PORTABLE FORCED AIR HEATER OWNER S MANUAL Heater Sizes 35 000 50 000 and 55 000 Btu Hr 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 D 35 000 50 000 And 55 000 Btu Hr H S I Series PORTABLE FORCED AIR HEATERS SAFETY INFORMATION A WARNINGS A WARNINGS IMPORTANT Read this Owner s Manual care fully and completely before try ing to assemble operate or ser vice this heater Improper use of this heater can cause serious in jury or death from burns fire explosion electrical shock and carbon monoxide poisoning Ad DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning re semble the flu with headaches dizziness and 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 preg nant 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 Itis your guide to safe and proper operation of this heater e Use only kerosene or No 1 fuel oil to avoid risk of fire or ex
3. See Storing Transporting or Shipping above See Air Output Air Intake and Lint Filters page 6 See Air Output Air Intake and Lint Filters page 6 See Fuel Filter page 7 See Fan page 6 102388 TROUBLESHOOTING FAULT CONDITION OWNER S MANUAL A WARNING Never service heater while it is plugged in operating or hot Severe burns and electrical shock can occur POSSIBLE CAUSE REMEDY Motordoesnotstartfive seconds after heater is plugged in 1 A No power to heater 1 AA WARNING High voltage Bad electrical connection between mo tor and ignition control assembly or ig nition assembly and power cord Binding pump rotor Defective ignition control assembly Defective motor 2 Nn Check circuit breaker in electrical panel Check all electrical connections See Wiring Diagrams page 10 If fan does not turn freely see Pump Ro tor page 8 Replace ignition control assembly Replace motor Motor starts and runs but heater does not ignite LEON oo N No fuel in tank Pump pressure incorrect Dirty fuel filter Obstruction in nozzle Water in fuel tank LEON AA WARNING High voltage Bad electrical connection between igni tor and ignition control assembly Defective ignitor Defective ignition control assembly 6 ds 8 Replace ignition control assembly Fill tank with kerose
4. rear or air outlet front of heater e Never move handle refuel or service a hot operating or plugged in heater e Never attach duct work to front or rear of heater UNPACKING 1 Remove all packing items applied to heater for shipment Remove all items from carton 3 Check items for shipping damage If heater is damaged promptly inform dealer where you bought heater 102388 OWNER S MANUAL PRODUCT IDENTIFICATION Hot Air Outlet Side Cover Ignition Control Assembly assembly on inside of side cover Figure 1 55 000 Btu Hr Model Shown Handle Upper Shell Fan Guard Air Filter AE End Cover ae Fuel Cap 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 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 con trol assembly provides power to the ignitor This ignites the fuel air mixture in the com bustion chamber The Flame Out Control System This system causes the heater to shut down if the flame goes out Combustion Chamber Mo
5. Filter Air Output Filter Figure 5 Air Output Air Intake and Lint Filters PUMP PRESSURE ADJUSTMENT 1 Remove pressure gauge plug from filter end cover 2 Install accessory pressure gauge part number HA1180 3 Start heater see Operation page 4 Al low motor to reach full speed 4 Using a flat blade screwdriver adjust pressure Turn relief valve to right to increase the pressure Turn relief valve to left to decrease the pressure Set pump pressure as follows 35 Model 3 0 psi 50 Model 3 6 psi 55 Model 3 6 psi 5 Remove pressure gauge Replace pres sure gauge plug in filter end cover 2 SX Gauge Plug Relief Valve Figure 6 Pressure Gauge Plug Removal Pressure Gauge Figure 7 Adjusting Pump Pressure 102388 SERVICE PROCEDURES Continued FUEL FILTER 1 Remove 4 side cover screws using 5 16 nut driver Remove side cover Pull upper fuel line off fuel filter neck BER Carefully pry bushing and fuel filter out of fuel tank 5 Wash fuel filter with clean fuel and re place in tank 6 Attach upper fuel line to fuel filter neck 7 Replace side cover Fuel Filter Side Cover Figure 8 Fuel Filter Removal Upper Fuel Line 102388 OWNER S MANUAL IGNITOR 1 Remove upper shell and fan guard see page 6 Remove fan see page 6 Remove 4 side cover screws with a 5 16 nut driver Remove side cover see Figure 8 Disconnect igni
6. ers are being used Example A 55 000 Btu Hr heater requires one of the following e a two car garage door 16 feet wide opening raised 1 2 inches e a single car garage door 9 feet wide opening raised 2 2 inches e two windows 30 inches wide opening raised 4 2 inches 35 000 50 000 And 55 000 Btu Hr H S I Series PORTABLE FORCED AIR HEATERS OPERATION AX WARNING Review and un derstand the warnings in the Safety Information Section page 2 They are needed to safely op erate this heater Follow all local codes when using this heater TO START HEATER 1 Follow all ventilation and safety in formation 2 Fill fuel tank with kerosene or No 1 fuel oil 3 Attach fuel cap Plug power cord of heater into three prong grounded extension cord Exten sion cord must be at least six feet long PREVENTATIVE MAINTENANCE SCHEDULE Item Extension Cord Wire Size Requirements e 6to 10 feet long use 18 AWG rated cord e 11 to 100 feet long use 16 AWG rated cord e 101 to 200 feet long use 14 AWG rated cord 5 Plug extension cord into standard 120 volt 60 hertz three hole grounded out let Note Ignitor will preheat for five seconds then heater will start TO STOP HEATER Unplug extension cord from outlet TO RESTART HEATER 1 Unplug extension cord from outlet and wait 10 seconds two minutes if heater has been running 2 Plug extension cord into standard 120 volt 60 hert
7. provide the correct model and serial numbers from the model plate then the part number and description of the desired part M5063 1 097461 03AA 101205 01 M30865 02 M11271 8 M50104 02 M11084 26 M10908 14 098511 18 098511 12 09851 1 81 M29652 04 M29652 05 079973 01 M50876 04 M50876 02 M50876 05 M10990 3 101695 01 102349 01 104068 03 097702 01 098513 23 098513 27 098513 20 098513 24 M51108 01 PARTS AVAILABLE NOT SHOWN 097204 01 097204 08 097764 01 097764 02 097764 05 097646 01 098493 01 103814 01 OPTIO HA1210 HA1202 HA1206 HA1180 HA2210 HA3004 HA3005 HA3014 HA3020 Not available as an assembly Rubber Bumper Side Cover Motor Bracket Bushing Clip Nut Bushing Screw 10 16 x 3 8 Screw 8 32 x 3 8 Lower Shell white Lower Shell yellow Lower Shell black Rubber Airline Fuel Line 35 model Fuel Line 50 55 models Fuel Filter 35 model Fuel Filter 50 model Fuel Filter 55 model Rubber Bushing Button Plug PCB Support Ignition Control Assembly Fuel Cap Includes Gasket Fuel Tank 35 model Fuel Tank B50H model Fuel Tank REM50C model Fuel Tank 55 model Shell Heat Shield aaqaaaaagaaa aa 4444444904 OND fP Tradename Decal R35D Tradename Decal R55A Tradename Decal REM35B Tradename Decal REM50C Tradename Decal REM55A Tradename Decal B50H General Information Decal Wire Tie NAL ACCESSORIES Hang up Thermostat Heavy Duty Wheels
8. screws 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 N g Upper Shell Fan Guard Figure 3 Upper Shell Removal 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 1 Remove upper shell see above 2 Use 1 8 Allen wrench to loosen set screw which holds fan to motor shaft 3 Slip fan off motor shaft Clean fan using 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 4 7 Place setscrew on flat of shaft Tighten setscrew firmly 40 50 inch pounds 8 Replace fan guard and upper shell Fan Motor gt Flush Motor Shaft Setscrew ee FAN Figure 4 Fan Cross Section AIR OUTPUT AIR INTAKE AND LINT FILTERS 1 Remove upper shell see Upper Shell Removal 2 Remove filter end cover screws using 5 16 nut driver 3 Remove filter end cover Replace air output and lint filters 5 Wash or replace air intake filter see Preventative Maintenance Schedule page 4 Replace filter end cover 7 Replace fan guard and upper shell IMPORTANT Do not oil filters Air Intake Filter Filter End Cover Fan Guard Lint
9. 7 102548 01 079980 01 102336 01 104023 01 M11084 26 M30884 102001 01 079975 02 079975 03 M22009 M22456 1 M22456 2 M29608 M29632 M29633 M29609 M12461 31 M27694 M10993 1 M22997 M8940 M29612 01 M12461 31 M50016 M8643 M8643 2 FHPF3 5C FHPF3 6C M51105 01 098219 31 M11143 1 NTC 4C M11084 26 Handle Upper Shell white Upper Shell yellow Upper Shell black Screw 10 16 x 3 4 Screw 10 16 x 1 2 Combustion Chamber 35 model Combustion Chamber 50 55 models Screw 6 32 x 3 8 Photocell Bracket Photocell Assembly Burner Head Assembly Nozzle 35 model Nozzle 50 55 models Ignitor Kit Nozzle Adapter Nozzle Adapter Bracket Screw 6 32 x 3 4 Screw 10 16 x 7 8 Fan Motor and Pump Assembly Motor Pump Body 35 model Pump Body 50 55 models Insert Rotor 35 model Rotor 50 55 models 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 Elbow 90 Blade 35 model Blade 50 55 models Screw 10 32 x 5 8 35 model Screw 10 32 x 3 4 50 55 models Fan Guard Power Cord Strain Relief Bushing Hex Lock Nut 1 4 20 Screw 10 16 x 3 8 pp pagaaaaaQqaaaaa4a4444444Na4a4a4444444 Na N AN P 13 OWNER S MANUAL This list contains replaceable parts used in your heater When ordering parts be sure to
10. HIS 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 International assumes no responsibility for indirect incidental 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 itto 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 International 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 International Wh
11. Nozzle Adapter Assembly Photocell Wires Figure 11 Removing Air and Fuel Line Hoses Combustion Chamber Sa Nozzle Adaptor Bracket e Nozzle Adapter Figure 12 Removing Nozzle Assembly PUMP ROTOR Procedure if Rotor is Binding 1 Remove upper shell see page 6 2 Remove filter end cover screws using 5 16 nut driver 3 Remove filter end cover and air filters Remove pump plate screws using 5 16 nut driver 5 Remove pump plate 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 003 004 if needed see Figure 15 Note Rotate rotor one full turn to in sure the gap is 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 Pump Pres sure Adjustment page 6 Note If rotor is still binding proceed as follows 13 Perform steps 1 through 6 above 14 Place fine grade sandpaper 600 grit on flat surface Sand rotor lightly in figure 8 motion four times see Figure 16 15 Reinstall insert and rotor 16 Perform steps 10 through 12 above Nozzle Face Nozzle Seal A Nozzle Nozzle Adapter Air Line Fitting Pa ae Fuel Line Fitting Figure 13 Nozzle and Nozzle Adapter Blade Pump Plate Air Int
12. ake Filter Filter End Insert Rotor Air Output Filter Fan Guard Figure 14 Rotor Location Gap Adjusting Screw A Q Measured With FA O j Feeler TN Gauge 7 Rotor 003 004 Gap Blade Gap Adjusting Screw Figure 15 Gap Adjusting Screw Locations Sandpaper Figure 16 Sanding Rotor 102388 OWNER S MANUAL SPECIFICATIONS Output Rating Btu Hr 35 000 50 000 55 000 Fuel Use Only Kerosene or No 1 Fuel Oil Fuel Tank Capacity U S Gal 3 0 4 0 5 0 Fuel Consumption Gal Per Hr 26 40 40 Electric Requirements 120 V 60 Hz All Models Amperage Normal Run 2 0 2 0 2 0 Motor Speed RPM 1725 1725 1725 Motor Horsepower hp 1 15 1 15 1 15 Hot Air Output CFM 165 175 175 Pump Pressure psi 3 0 3 6 3 6 Shipping Weight Approximate Pounds 32 33 33 Heater Weight without Fuel Approximate Pounds 28 29 29 MAINTENANCE KITS Btu Hr 35 000 50 000 55 000 Ignition Control Assembly Part No 104068 01 104068 01 104068 01 or or or 104068 03 104068 03 104068 03 Ignitor Kit Part No 102548 01 102548 01 102548 01 Filter Kit Part No HA3014 HA3014 HA3014 Nozzle Kit Part No HA3006 100735 17 100735 17 Rotor Air Pump Kit Part No HA3004 HA3005 HA3005 Photocell Part No M16656 23 M16656 23 M16656 23 Pump Adjustment Part No HA3020 HA3020 HA3020 102388 TECHNICAL SERVICE You may have further questions about op eration or troubleshooting If so contact DESA Inte
13. and Handle Kit Standard Wheels and Handle Kit Air Gauge Kit Fuel Tank Filter Screen Rotor Kit M22456 1 M22009 M8643 35 model Rotor Kit M22456 2 M22009 M8643 2 50 55 models Filter Kit M29632 M29633 M29612 01 Pump Kit M27694 M10993 1 M22997 M8940 WNWMWMWMWMM WARRANTY AND REPAIR SERVICE KEEP THIS WARRANTY Model No Serial No Date of Purchase To be filled in by purchaser LIMITED WARRANTY DESA International 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 T
14. e center If they can not supply these accessories or parts either contact your nearest Parts Central or DESA International for referral information Parts Centrals are listed in the Authorized Service Center booklet supplied with heater DESA International Ro oe THERMOSTAT KIT HA1210 Bowling Green KY 42102 9004 Keeps your building at the temperature you 1 800 972 7879 select day and night Helps economize on fuel Parts Department AIR GAUGE KIT HA1180 Special tool to check pump pressure HEAVY DUTY WHEELS AND HANDLE KIT HA1202 For heavy duty applications Makes your heater even more portable and convenient F IGNITION CONTROL ASSEMBLY PHOTOCELL TESTER HA1170 Special tool used to test the ignition control assembly and photocell STANDARD WHEELS AND HANDLE KIT HA1206 Makes heater even more portable and con venient Easy to assemble 102388 11 35 000 50 000 And 55 000 Btu Hr H S I Series PORTABLE FORCED AIR HEATERS ILLUSTRATED PARTS BREAKDOWN REM35B R35D B50H REM50C R55A REM55A Motor and Pump Assembly 12 102388 PARTS LIST REM35B R35D B50H REM50C R55A REM55A KEY PART NO NUMBER DESCRIPTION QTY PART NO NUMBER DESCRIPTION QTY See OPTIONAL ACCESSORIES 102388 M51104 01 098511 36 098511 54 098511 67 M11084 29 100647 01 098512 47 098512 39 M10908 2 103154 03 M16656 23 HA3006 100735 1
15. en writing for information regarding your heater be sure to include the model number and serial number as shown on the model plate For information about this warranty write DES A INTERNATIONAL Corporate Headquarters 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 102388 01 102388 01 Rev N NOT A UPC Tie
16. nances and codes when using heater Heaters used in the vicinity of tarpau lins canvas or similar enclosure ma terials shall be located a safe distance from such materials The recommended minimum safe distance is 10 feet It is further recommended that these enclo sure materials be of a fire retardant na ture These enclosure materials shall be securely fastened to prevent them from igniting or from upsetting the heater due to wind action Use only in well vented areas Before using heater provide at least a three square foot opening of fresh outside air for each 100 000 Btu Hr of rating This heater produces carbon monoxide which is listed by the State of Califor nia as areproductive toxin under Propo sition 65 e Use only in places free of flammable vapors or high dust content e Use only the electrical voltage and fre quency specified on model plate e Use only a three prong grounded ex tension cord e Minimum heater clearances from com bustibles Outlet 8 Ft Sides 4 Ft Top 4Ft Rear 4 Ft e Locate heater on a stable and level sur face if heater is hot or running or a fire may occur e When moving or storing heater keep heater in a level position or fuel spill age may occur e Keep children and animals away from heater e Unplug heater when not in use e When used with thermostat heater may start anytime e Never use heater in living or sleeping areas e Never block air inlet
17. ne See Pump Pressure Adjustment page 6 See Fuel Filter page 7 See Nozzle page 8 Drain and flush fuel tank with clean kerosene See Storing Transporting or Shipping page 4 Check electrical connections See Wir ing Diagrams page 10 Replace ignitor see page 7 Heater ignites but ignition control assembly shuts heater off after a short period of time 102388 aA oo Pump pressure incorrect Dirty air intake air output and or lint filter Dirty fuel filter Obstruction in nozzle Photocell assembly not properly in stalled not seeing the flame 1 See Pump Pressure Adjustment page 6 2 See Air Output Air Intake and Lint Fil tocell and ignition control assembly Defective photocell Defective ignition control assembly Dirty photocell lens 6 AA WARNING High voltage Bad electrical connection between pho 7 8 9 ters page 6 3 See Fuel Filter page 7 4 5 Make sure photocell boot is properly See Nozzle page 8 seated in bracket Clean photocell lens Check electrical connections See Wir ing Diagrams page 10 Replace photocell Replace ignition control assembly 35 000 50 000 And 55 000 Btu Hr H S I Series PORTABLE FORCED AIR HEATERS SERVICE PROCEDURES AX WARNING Never service heater while it is plugged in op erating or hot Severe burns and electrical shock can occur UPPER SHELL REMOVAL 1 Remove
18. plosion Never use gasoline naphtha paint thinners alco hol or other highly flammable fuels e Fueling a Personnel involved with fueling shall be qualified and thoroughly familiar with the manufacturer s instructions and applicable federal state and lo cal 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 from heaters torches welding equipment and similar sources of ignition excep tion the fuel reservoir integral with the heater unit g Whenever possible fuel storage shall be confined to areas where floor pen etrations 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 federal state or local au thority having jurisdiction Never use heater where gasoline paint thinner or other highly flammable va pors are present Follow all local ordi
19. rnational s Technical Service Dept at 1 800 323 5190 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 International s Techni cal Service Dept at 1 800 323 5190 When calling DESA International have ready your name your address e model number of your heater e how heater was malfunctioning e purchase date Usually we will ask you to return the defec tive 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 International s Parts Dept at 1 800 972 7879 for referral information When calling DESA International have ready e model number of your heater e the replacement part number 35 000 50 000 And 55 000 Btu Hr H S I Series PORTABLE FORCED AIR HEATERS WIRING DIAGRAMS Power Plug Ignition Control PART 102350 m IGNITOR Em MOTOR MAIN Ignition Control Power Plug 120V 60Hz Assembly J Black 120V L1 e oae O e c MOTOR RETURN cm IGNITOR ma PHOTOCELL mm PHOTOCELL Figure 18 Wiring Diagram For Heaters Using 104040 02 Ignition Control Assembly 10 102388 OWNER S MANUAL ACCESSORIES a Purchase accessories and parts from your nearest dealer or servic
20. tor Air Pump Ignitor Air Intake Fan Filter 4 lt F r a LB na a icy Clean Cool Heated qmm H T do Air Out N lt va we q lt Pt 4 gt Ta Output Filter Ignition Fuel Nozzle Fuel Air Line Control Tank Filter To Burner Assembly Am Air For Fuel System 102388 Air For Combustion And Heating gt Figure 2 Cross Section Operational View lt a Fuel FUELS AA 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 heavy fuels will result in e clogged fuel filter and nozzle e the need of nontoxic anti icer in fuel dur ing 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 the ignition control assembly to shut down the heater Foreign matter may also require you to clean fuel system often VENTILATION Ay WARNING Follow the mini mum fresh outside air ventila tion requirements If proper fresh outside air ventilation is not pro vided carbon monoxide poison ing can occur Provide proper fresh outside air ventilation be fore running heater Provide at least a two square foot opening of fresh outside air for each 55 000 Btu Hr rating Provide extra fresh air if more heat
21. tor wires gray from ignition control assembly see Figure 9 Pull the ignitor wires up through the hole in the lower shell Disconnect fuel line hose and air line hose Remove photocell from photocell bracket see Figure 9 Remove combustion chamber Stand combustion chamber on end with nozzle adapter bracket on top see Figure 10 Remove ignitor screw with a 1 4 nut driver Carefully remove ignitor from nozzle adapter bracket Accaution Donotbendor strike ignitor element Handle with care 10 11 12 13 14 15 16 Carefully remove replacement ignitor from styrofoam packing 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 10 Torque 10 to 20 in lbs Do not over torque Replace combustion chamber Route the ignitor wires back down through the hole in the lower shell Connect wires to the ignition control assembly See Wiring Diagrams page 10 for correct terminal locations Replace side cover see Figure 8 Connect and route fuel line hose and air line hose to nozzle adapter see Fig ure 9 Replace photocell in photocell bracket Route wires as shown in Figure 11 page 8 Replace fan see page 6 Replace fan guard and upper shell see page 6 Combustion Nozzle Chamber Adapter SS Bracket Ignitor Air Line Ignitor Hose Wires Gray
22. z three hole grounded out let Note Ignitor will preheat for five seconds then heater will start AX WARNING Never service heater while it is plugged in op erating or hot Severe burns and electrical shock can occur How Often STORING TRANSPORTING OR SHIPPING Note If shipping transport companies re quire fuel tanks to be empty 1 Drain fuel tank Drain fuel through fuel cap opening Be sure all fuel is removed 2 any debris is noted in old fuel add 1 or 2 quarts of clean kerosene to tank stir and drain again This will prevent excess debris from clogging filters dur ing future use 3 Replace fuel cap Properly dispose of old and dirty fuel Check with local auto motive service stations that recycle oil 4 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 How To Fuel tank Air output and lint filters Air intake filter Fuel filter Ignitor Fan blades Motor Flush every 150 200 hours of operation or as needed Replace every 500 hours of operation or once a year Wash and dry with soap and water every 500 hours of operation or replace as needed Clean twice a heating season or replace as needed No maintenance required Clean each season or as needed Not required permanently lubricated
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