Desa RJ45 User's Manual
Contents
1. PORTABLE FORCED AIR HEATER OWNER S MANUAL Heater Sizes RJ 45 And RJ 70 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 RJ 45 And RJ 70 PORTABLE FORCED AIR HEATERS SAFETY INFORMATION A WARNINGS IMPORTANT Read this Owner s Manual carefully and completely before trying to assemble oper ate or service this heater Im proper use of this heater can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning AX 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 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 fire or explosion Never use gasoline naphtha paint thinner alcohol or other highly f2. 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 5 7 Place setscrew on flat of shaft Tighten setscrew firmly 7200 8900 grams centimeter 8 Replace fan guard and upper shell Fan Motor Flush ANA Motor Shaft Setscrew Figure 5 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 5 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 Filter Air Output Filter Figure 6 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 5 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 RJ45 0 22 kg
3. does not 1 No fuel in tank 1 Fill tank with kerosene ignite 2 Pump pressure incorrect 2 See Pump Pressure Adjustment page 8 3 Dirty fuel filter 3 See Fuel Filter page 9 4 Obstruction in nozzle 4 See Nozzle page 10 5 Water in fuel tank 5 Drain and flush fuel tank with clean on AAWARNING High voltage Bad electrical connection between igni tor and ignition control assembly Defective ignitor Defective ignition control assembly 6 on kerosene See Storing Transporting or Shipping page 5 Check electrical connections See Wir ing Diagrams page 12 Replace ignitor see page 9 Replace ignition control assembly Heater ignites but ignition control assembly shuts heater off after a short period of time aA LW 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 MN amp YW tocell and ignition control assembly Defective photocell Defective ignition control assembly Dirty photocell lens 6 WARNING High voltage Bad electrical connection between pho 7 8 9 See Pump Pressure Adjustment page 8 See Air Output Air Intake and Lint Fil ters page 8 See Fuel Filter page 9 See Nozzle page 10 Make sure photocell boot is properly seated in bracket Clean photocell lens Check e
4. from carton 3 Check items for shipping damage If heater is damaged promptly inform dealer where you bought heater 104950 OWNER S MANUAL PRODUCT IDENTIFICATION Handle Upper Shell Lower Shell Fan Guard Fuel Gauge z s lt Air Filter Fuel Tank End Cover ON OFF Switch TR 33 OA Fuel Cap Side Cover A ee Receptacle Ignition Control Assembly assembly on inside of side cover Power Cord Figure 1 RJ45 Hot Air Outlet Handle Lower Shell Upper Shell Fuel Gauge Wa Fan Guard Fuel Tank b Air Filter g e End Cover D i Receptacle ee e Fuel Cap ee a Side Cover ON OFF Switch Flame Out Control Reset Button Power Cord Figure 2 RJ70 104950 3 RJ 45 And RJ 70 PORTABLE FORCED AIR HEATERS 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 RJ45 The igni tion control assembly provides power to the ignitor This ignites the fuel air mixture in the combustion chamber The Ignition System RJ70 The elec tronic ignitor sends voltage to the spark plug The spark plug ignites the fuel and air mixture The F
5. of air line hose to barb fitting on pump end cover see Figure 17 and the other end to nozzle adapter or burner head see Figure 14 or Figure 18 page 11 Attach one end of fuel line hose to fuel filter see Fuel Filter page 9 and the other end to nozzle adapter see Figure 14 or Figure 18 page 11 Route air and fuel line approximately as shown in Figure 14 RJ45 or 18 RJ70 page 11 Note Hoses are not to touch photocell bracket Replace side cover Replace upper shell and fan guard see Upper Shell Removal page 8 Pump End Cover Air Hose Figure 17 Air Hose to Barb Fitting 104950 SERVICE PROCEDURES Continued NOZZLE RJ70 1 Remove upper shell see Upper Shell Removal page 8 Remove fan see Fan page 8 3 Remove fuel and air line hoses from burner head 4 Remove spark plug wire from spark plug 5 Remove spark plug from burner head using 13 16 open end wrench 6 Remove three screws using 5 16 nut driver and remove burner head from combustion chamber 7 Place burner head into vise and lightly tighten 8 Carefully remove nozzle from burner head using 5 8 socket wrench see Fig ure 19 Burner Head Combustion Spark Chamber Plug Wire Screw LES lias Spark Plug Air Line Hose Figure 18 Removing Burner Head Nozzle Face Nozzle Seal Qa gt Nozzle Burner Head Fuel Line Fitting Air Line Fitting Figure 19 Removing Nozzle 104950 OW
6. such materials The recommended minimum safe distance is 3 meters It is further recommended that these en closure 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 Use only in well vented areas Before using heater provide at least a 2800 square centimeter opening of fresh outside air for each 25 000 Kcal Hr of rating Use only in places free of flammable vapors or high dust content Use only the electrical voltage and fre quency specified on model plate Use only a three prong grounded ex tension cord e Minimum heater clearances from com bustibles Outlet 2 5 meters Sides 1 25 meters Top 1 25 meters Rear 1 25 meters 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 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
7. 60 Hz 2850 3450 2850 3450 Motor Watts 93 93 Pump Pressure kg cm at 50 60 Hz 0 22 0 24 0 35 0 38 ACCESSORIES Purchase accessories and parts from your nearest dealer AIR GAUGE KIT HA1180 IGNITION CONTROL Special tool to check pump pressure ASSEMBLY PHOTOCELL TESTER HA1170 HEAVY DUTY WHEELS AND Special tool used to test the ignition control HANDLE KIT HA1202 assembly and photocell For heavy duty applications Makes your heater even more portable and convenient 104950 13 RJ 45 PORTABLE FORCED AIR HEATERS ILLUSTRATED e 1 PARTS BREAKDOWN RJ45 14 104950 OWNER S MANUAL PARTS LI ST 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 RJ45 4 OANDA FW PD PART NUMBER M51104 01 098511 36 M11084 29 100647 01 098512 62 M10908 2 103154 03 M16656 23 A 100735 22 102548 04 104056 01 102336 01 104023 01 M11084 26 097033 01 A 102001 22 079975 02 M22009 M22456 1 M29608 M29632 M29633 M29609 M12461 31 M27694 oo M10993 1 co M22997 oo M8940 oo M29612 01 M12461 31 103676 01 M8643 DESCRIPTION Handle Upper Shell Screw 10 16 x 3 4 Screw 10 16 x 1 2 Combustion Chamber Screw 6 32 x 3 8 Photocell Bracket Photocell Assembly Burner Head Assembly Nozzle Assembly Ignitor
8. 8 x 1 2 Motor and Relay Bracket Motor and Pump Assembly Motor Pump Body Insert Rotor End Pump Cover Lint Filter Intake Filter End Filter Cover Screw 10 32 x 1 Steel Ball 1 4 Dia Pressure Relief Spring Adjusting Screw Plug Output Filter Screw 10 32 x 1 Elbow 90 Barb Fitting A Not available as an assembly Included in Rotor Kit Part No HA3004 Included in Filter Kit Part No HA3014 Included in Pump Adjustment Kit Part No HA3020 104950 Of 24242 4 0 SB SB oon on nn nn np pnsearnwoAanpnAataia nai aaa pn Ba aB ago aa PART NUMBER M8643 FHPF3 5C M50050 NTC 4C M50104 02 M11084 26 09851 1 18 M11271 8 097061 01 079010 18 M10908 14 M29652 04 079973 01 M16841 57 M10990 3 M50876 05 102482 01 M11084 29 099125 03 099157 01 097702 01 097997 02 098513 57 097194 02AA M11084 26 099177 01 097274 01 M9900 162 M27417 098226 01 097196 02 PART DESCRIPTION Blade Screw 10 32 x 5 8 Rubber Cap Hex locknut Bushing wires Screw 10 16 x 3 8 Lower Shell Clip Nut Relay motor start Wire Assembly red 16 Screw 8 32 x 3 8 Rubber Airline Fuel Line Wire Assembly red 8 1 2 Rubber Bushing Fuel Filter Assembly Includes bushing Electronic Ignitor Screw 10 16 x 3 4 Terminal Board Rivet Fuel Tank Cap Flame Out Control Fuel Tank Side Cover Screw 10 16 x 3 8 Hex Nut Jumper Plug Wire Assembly green 16 Drain Plug
9. ARRAN TIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE DESA International assumes no responsibility for in direct 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 War ranty gives you specific legal rights and you may also have other rights which vary from state to state DESA INTERNATIONAL Corporate Headquarters 2701 Industrial Drive 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 workman ship If so DESA International will repair or replace the heater without charge REPAIR SERVICE Return the heater to your nearest authorized service center Repairs not covered by the warranty will be billed at standard prices Each Service Center is independently owned and operated We reserve the right to amend these specifications at any time without notice KEEP THIS WARRANTY Model No Serial No Date of Purchase To be filled in by purchaser 104950 01 NOT A UPC P O Box 90004 Bowling Green KY 42102 9004 104950 01 Rev B 09 99
10. Kit Nozzle Adapter Nozzle Adapter Bracket Screw Washer Assembly Screw 10 16 x 3 8 Fan Motor and Pump Assembly Motor Pump Body Insert Rotor Pump End Cover Lint Filter Intake Filter Filter End Cover Screw 10 32 x 1 Adjusting Screw Pressure Relief Spring Plug Steel Ball 1 4 Diameter Output Filter Screw 10 32 x 1 Nylon Elbow 90 Blade A Not available as an assembly Included in Rotor Kit Part No HA3004 Included in Filter Kit Part No HA3014 Included in Pump Adjustment Kit Part No HA3020 104950 KEY PART QTY NO NUMBER DESCRIPTION QTY B32 oO ao 42 wo Be se oa on on on on nw on on pppoe ow on nn nn un pose on a a PARTS AVAILABLE NOT SHOWN 1 FHPF3 5C M51105 01 102330 01 099492 01 NTC 4C M11084 26 M50631 097461 06AA 101205 01 M30865 02 M11271 8 M50104 02 M11084 26 M10908 14 098511 18 M50814 06 079973 01 M50876 02 M10990 3 101695 01 102349 01 104068 02 097702 01 098513 100 M51108 01 097190 05 098226 01 097196 02 097202 01 097274 01 097467 02 104949 01 103814 01 Screw Fan Guard Power Cord Strain Relief Bushing Hex Lock Nut 1 4 20 Screw 10 16 x 3 8 Rubber Bumper Side Cover Motor Bracket Bushing Clip Nut Bushing Screw 10 16 x 3 8 Screw 8 32 x 3 8 Lower Shell Rubber Airline Fuel Line Fuel Filter with bushing Rubber Bushing Button Plug PCB Support Ignition Control Assembly Fuel Cap Includes Gasket Fuel Tank Shell Heat Sh
11. NER S MANUAL 9 Blow compressed air through face of nozzle This will free any dirt in nozzle area 10 Inspect nozzle seal for damage 11 Replace nozzle into burner head and tighten firmly 14 300 19 600 grams centimeter 12 Attach burner head to combustion chamber 13 Install spark plug in burner head 14 Attach spark plug wire to spark plug 15 Connect and route fuel line hose and air line hose to burner head See Fuel and Air Line Replacement and Proper Routing page 10 16 Replace fan see Fan page 8 17 Replace fan guard and upper shell see Upper Shell Removal page 8 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 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 0 08 0 10 mm if needed see Figure 21 Note Rotate rotor one full turn to in sure the gap is 0 08 0 10 mm at tight est position Adjust if needed Blade Pump Plate Air Intake Filter Air Output Filter Fan Guard Figure 20 Rotor Location 11 10 11 12 13 14 15 16 Install blades pump plate air filters and filter end cover Repl
12. ON OFF Switch Switch Seal 388 oan nnn Oaug apaAhpA Fa Cee Crees Cs Crees CO CN ees Coes Cees Cos Cees Ce CG S PARTS AVAILABLE NOT SHOWN HA2210 102415 01 097204 22 097208 33 Mg900 170 Filler Neck Screen Wiring Decal Tradename Decal Nameplate Decal Wire Assembly Black 12 WARRANTY AND REPAIR SERVICE 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 associ ated 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 EX PRESSED OR IMPLIED INCLUDING W
13. ace fan guard and upper shell Adjust pump pressure see Pump Pres sure Adjustment page 8 Note If rotor is still binding proceed as follows Perform steps through 6 column 1 Place fine grade sandpaper 600 grit on flat surface Sand rotor lightly in figure 8 motion four times see Figure 22 Reinstall insert and rotor Perform steps 10 through 12 Gap Adjusting Screw as 0 08 0 10 mm TNA i Gap Measured With Feeler Gauge U 4 Gap Adjusting Screw Rotor Figure 21 Gap Adjusting Screw Locations Sandpaper Figure 22 Sanding Rotor RJ 45 And RJ 70 PORTABLE FORCED AIR HEATERS WIRING DIAGRAMS c IGNITOR Red ca MOTOR MAIN Gass Ignition Control V Assembly Bak Black m 120V L1 ON OFF Receptacle Switch Orange Power Plug 100V 50 or 60 Hz DER AC NEUTRAL L2 MOTOR RETURN c IGNITOR White c PHOTOCELL ca PHOTOCELL Photocell Figure 22 Wiring Diagram For RJ45 Power Plu 100V 50 or 60 Hz Black Power On Switch Receptacle White Photo cell Figure 23 Wiring Diagram For RJ70 104950 OWNER S MANUAL SPECIFICATIONS RJ45 RJ70 Maximum Output Rating Kcal Hr 11 900 17 600 Fuel Use Only Kerosene or No Fuel Oil Fuel Tank Capacity liters 15 1 18 9 Fuel Consumption liters Hr 1 3 1 9 Electric Requirements 100V 50 or 60 Hz Amperage Normal Run 3 7 3 0 Motor Speed RPM at 50
14. cket Photocell Bracket Nozzle Adapter Bracket Opening Combustion Chamber Figure 11 Ignitor Replacement Continued RJ 45 And RJ 70 PORTABLE FORCED AIR HEATERS SERVICE PROCEDURES Continued SPARK PLUG RJ70 1 Remove upper shell see Upper Shell Removal page 8 Remove fan see Fan page 8 Remove spark plug wire from spark plug AYN Remove spark plug from burner head using 13 16 open end wrench 5 Clean and regap spark plug electrodes to 2 2 mm Install spark plug in burner head 6 7 Attach spark plug wire to spark plug 8 Replace fan see Fan page 8 9 Replace fan guard and upper shell see Upper Shell Removal page 8 Spark Plug Wire Spark Plug Figure 12 Spark Plug Removal Bend Here to Adjust Gap Figure 13 Spark Plug Gap NOZZLE RJ45 1 Remove upper shell see Upper Shell Removal page 8 Remove fan see Fan page 8 3 Remove fuel and air line hoses from nozzle adapter 4 Turn nozzle adapter 1 4 turn to left and pull toward motor to remove 5 Place nozzle adapter into vise and lightly tighten 6 Carefully unscrew nozzle from the nozzle adapter using 5 8 socket wrench 7 Blow compressed air through face of nozzle This will free any dirt in nozzle area 8 Inspect nozzle seal for damage 9 Screw nozzle into nozzle adapter until nozzle seats Tighten 7200 8000 grams c
15. cm at 50 Hz 0 24 kg cm at 60 Hz RJ70 0 35 kg cm at 50 Hz 0 38 kg cm at 60 Hz 5 Remove pressure gauge Replace pres sure gauge plug in filter end cover ee Pressure Gauge Plug Relief Valve Figure 7 Pressure Gauge Plug Removal Pressure Gauge Figure 8 Adjusting Pump Pressure 104950 SERVICE PROCEDURES Continued FUEL FILTER 1 Remove side cover screws using 5 16 nut driver see Figure 9 Remove side cover Pull upper fuel line off fuel filter neck 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 see Figure 9 Fuel Filter Side Cover Figure 9 Fuel Filter Removal Upper Fuel Line 104950 OWNER S MANUAL IGNITOR RJ45 1 Remove upper shell and fan guard see Upper Shell Removal page 8 Remove fan see Fan page 8 3 Remove side cover screws with a 5 16 nut driver Remove side cover see Fig ure 9 4 Disconnect ignitor wires from ignition control assembly see Figure 10 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 10 6 Remove combustion chamber Stand combustion chamber on end with nozzle adapter bracket on top see Figure 11 7 Remove ignitor screw with a 1 4 nut driver Carefully remove i
16. de air ventilation be fore running heater Provide at least a 2800 square centimeter opening of fresh outside air for each 25 000 Keal Hr rating Provide extra fresh air if more heaters are being used Example The RJ45 11 900 Kceal Hr heater requires a 1400 square centimeter opening of fresh outside air The RJ70 17 600 Kceal Hr heater requires a 2000 square centimeter opening of fresh outside air 104950 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 grounded extension cord Extension cord must be at least 2 meters long Extension Cord Wire Size Requirements e 2 to 3 meters long use 1 mm cord 3 to 30 meters long use 1 5 mm cord 30 to 60 meters long use 2 mm cord PREVENTATIVE MAINTENANCE SCHEDULE Item OWNER S MANUAL 5 Plug extension cord into standard 100 volt 50 or 60 hertz grounded outlet 6 Switch heater ON RJ45 Note Ignitor will preheat for five seconds then heater will start RJ70 Note If heater will not start push in flame out control reset button see Figure 2 page 3 TO STOP HEATER 1 Switch heater OFF 2 Unplug ex
17. entimeter using 5 8 socket wrench 10 Install nozzle adapter into nozzle adapter bracket 11 Connect and route fuel line hose and air line hose to nozzle assembly See Fuel and Air Line Replacement and Proper Routing page 10 12 Replace fan see Fan page 8 13 Replace fan guard and upper shell see Upper Shell Removal page 8 Combustion Chamber N Fuel Line Hose Nozzle Adapter Air Line Hose Ignitor and Photocell wires through this hole Figure 14 Removing Air and Fuel Line Hoses Combustion Chamber NN Nozzle Adaptor Nozzl Bracket pep e Figure 15 Removing Nozzle Assembly Nozzle Face J Nozzle Seal Nozzle She Nozzle Adapter Air Line Fitting lt Fuel Line Fitting Figure 16 Nozzle and Nozzle Adapter 10 FUEL AND AIR LINE REPLACEMENT AND PROPER ROUTING 1 Barb Fitting Remove upper shell see Upper Shell Removal page 8 Remove side cover screws using 5 16 nut driver see Figure 9 page 9 Remove side cover Inspect fuel and air line hoses for cracks and or holes If fuel line hose is dam aged disconnect from nozzle adapter or burner head see Figure 14 or Figure 18 page 11 and from fuel filter see Fuel Filter page 9 If air line hose is dam aged disconnect from nozzle adapter or burner head see Figure 14 or Figure 18 page 11 and from barb fitting on pump end cover see Figure 17 Install new air and or fuel line Attach one end
18. ge Electronic ignitor not grounded Defective electronic ignitor 7 8 Make sure electronic ignitor mounting is tight Replace electronic ignitor Motor does not start when heater is plugged in and switched ON fan rotates slowly or does not turn 104950 1 Flame out control not reset N AnA Binding pump rotor Defective motor Defective ON OFF switch No power to heater Bad electrical connections 1 Press flame out control reset button N AnKRwW If fan is hard to turn see Pump Rotor page 11 Replace motor Replace ON OFF switch Check circuit breaker in electrical panel Check all electrical connections See Wiring Diagrams page 12 RJ 45 And RJ 70 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 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 S 8 Upper Shell Fan Guard Figure 4 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
19. gnitor from nozzle adapter bracket Accaution Donotbendor strike ignitor element Handle with care 8 Carefully remove replacement ignitor from styrofoam packing 9 Carefully guide ignitor into opening in nozzle adapter bracket Do not strike ignitor element Attach ignitor to nozzle adapter bracket with screw using a 1 4 nut driver see Figure 11 Torque 1800 to 3500 grams centimeters 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 Wiring Diagrams page 12 for correct terminal locations 12 Replace side cover see Figure 9 13 Connect and route fuel line hose and air line hose to nozzle assembly See Fuel and Air Line Replacement and Proper Routing page 10 14 Replace photocell in photocell bracket Route wires between hoses and back down through the hole in the lower shell with ignitor wires see Figure 10 15 Replace fan see Fan page 8 16 Replace fan guard and upper shell see Upper Shell Removal page 8 Combustion Nozzle Chamber Adapter e Bracket Ignitor Air Line Ignitor Hose Wires Gray Fuel Line Hose Ignition Photocell Control Bracket Assembly Photocell Assembly Side Cover a Figure 10 Disconnecting Ignitor Wires from Ignition Control Assembly Ignitor A Screw Ignitor Ignitor Element nosze Adapter Bra
20. ield Fuel Gauge On Off Switch Switch Seal Receptacle Jumper Plug Button Plug General Information Decal Wire Tie Sa a CC CC a CCC O R e a r COO CO CTO CY EOI Cg a a a A a S a CC RJ 70 PORTABLE FORCED AIR HEATERS ILLUSTRATED PARTS BREAKDOWN RJ70 Burner Head Assembly Motor and Pump Assembly 104950 16 OWNER S MANUAL This list contains replaceable parts used in your heater When ordering parts be sure to provide the correct model and serial numbers from the model plate then the part number and description of the desired part PARTS LIST RJ70 PART NUMBER 097190 01 09851 1 36 100647 01 098512 41 097202 01 M16660 M10908 2 HA3019 102330 01 A 100735 14 M10659 1 M10809 1 M8882 M51098 02 M50820 01 HA3012 M11084 27 M30865 02 099492 01 097200 01 M50631 M15823 39 101205 01 A 102001 12 079975 02 M22009 M22456 1 M29608 M29632 M29633 M29609 M12461 31 M8940co M10993 1 co M2769420 M22997 M29612 01 M12461 31 M50016 Str OMOANOOHPWND PART DESCRIPTION Fuel Gauge Upper Shell Screw 10 16 x 1 2 Combustion Chamber Receptacle Photocell Bracket Screw 6 32 x 3 8 Photocell Assembly Power Cord Burner Head Assembly Nozzle Nozzle Seal Washer Nozzle Seal Spring Nozzle Seal Sleeve Burner Head Body Barb Fitting Spark Plug Screw 10 16 x 1 2 Bushing Strain Relief Bushing Fan Rubber Bumper Screw 8 1
21. lame Out Control System This system causes the heater to shut down if the flame goes out Combustion Chamber Motor Air Pump Ignitor or Air Intake Spark Plug Fan Filter Par q Se Clean Cool Heated lt m 90 Air Out AY aap Tu N Air Output Filter ND Ignition E Control Fuel Nozzle Fuel Air Line Assembly or Tank Filter To Burner Electronic Ignitor 55 Air For Fuel System Air For Combustion And Heating ui Figure 3 Cross Section Operational View lt Fuel FUELS 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 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 control to shut down the heater Foreign matter may also require you to clean fuel system often VENTILATION AX 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 outsi
22. lammable fuels e Fueling a Personnel involved with fueling shall be qualified and thoroughly familiar with the manufacturer s instructions and applicable governing 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 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 8 meters 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 authority having jurisdiction Never use heater where gasoline paint thinner or other highly flammable va pors are present Follow all local ordinances 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
23. lectrical connections See Wir ing Diagrams page 12 Replace photocell Replace ignition control assembly 104950 TROUBLESHOOTING OWNER S MANUAL A WARNING Never service heater while it is plugged in operating or Continued hot Severe burns and electrical shock can occur RJ70 OBSERVED FAULT POSSIBLE CAUSE REMEDY Heater ignites but flame out control shuts 1 Photocell assembly not properly in 1 Make sure photocell boot is properly off heater after a short period of time stalled seeing flame seated in bracket 2 Wrong pump pressure 2 See Pump Pressure Adjustment page 8 3 Dirty air output air intake and lint filters 3 See Air Output Air Intake and Lint Fil ters page 8 4 Dirty fuel filter 4 See Fuel Filter page 9 5 Dirt in nozzle 5 See Nozzle page 11 6 Dirty photocell lens 6 Clean photocell lens 7 Defective flame out control 7 Replace flame out control 8 Defective photocell 8 Replace photocell Heater will not ignite but motor runs fora 1 No fuel in tank 1 Fill tank with kerosene short period of time 2 Wrong pump pressure 2 See Pump Pressure Adjustment page 8 3 Carbon deposits on spark plug and or 3 See Spark Plug page 10 improper gap 4 Dirty fuel filter 4 See Fuel Filter page 9 5 Dirt in nozzle 5 See Nozzle page 11 6 Water in fuel tank 6 Drain and flush fuel tank with clean kerosene See Storage Transporting or Shipping page 5 A WARNING High volta
24. peration 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 and regap every 600 hours of opera tion or replace as needed Clean each season or as needed Not required permanently lubricated See Storing Transporting or Shipping above See Air Output Air Intake and Lint Filters page 8 See Air Output Air Intake and Lint Filters page 8 See Fuel Filter page 9 See Spark Plug page 10 See Fan page 8 RJ 45 And RJ 70 PORTABLE FORCED AIR HEATERS TROUBLESHOOTING A WARNING Never service heater while it is plugged in operating or hot Severe burns and electrical shock can occur RJ45 OBSERVED FAULT POSSIBLE CAUSE REMEDY Motor does not start five seconds afterheater 1 No power to heater 1 Check circuit breaker in electrical panel is plugged in and switched ON AX WARNING High voltage Bad electrical connection between mo tor and ignition control assembly or ig nition assembly and power cord Binding pump rotor 2 Check all electrical connections See Wiring Diagrams page 12 Iffan does not turn freely see Pump Ro tor page 11 4 Defective ignition control assembly 4 Replace ignition control assembly 5 Defective motor 5 Replace motor 6 Defective ON OFF switch 6 Replace ON OFF switch Motor starts and runs but heater
25. tension cord from outlet TO RESTART HEATER 1 Switch heater OFF Wait 10 seconds two minutes if heater has been running 2 Switch heater ON RJ45 Note Ignitor will preheat for five seconds then heater will start RJ70 Note If heater will not start push in flame out control reset button see Figure 2 page 3 STORING TRANSPORTING OR SHIPPING Note If shipping transport companies re quire fuel tanks to be empty 1 Drain fuel tank Drain fuel through drain plug under tank Be sure all fuel is removed 2 Ifany debris is noted in old fuel add 1 or 2 liters of clean kerosene to tank stir and drain again This will prevent ex cess 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 A WARNING Never service heater while it is plugged in operating or hot Severe burns and electrical shock can occur How Often How To Fuel tank Air output and lint filters Air intake filter Fuel filter RJ45 Ignitor RJ70 Spark Plug Fan blades Motor 104950 Flush every 150 200 hours of operation or as needed Replace every 500 hours of o
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