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PORTABLE
FORCED
AIR HEATER
OWNER’S MANUAL
Heater Sizes:
RJ45 And RJ70
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.
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RJ45 And RJ70 PORTABLE FORCED AIR HEATERS d)During fueling, all fuel lines and fuel- • Minimum heater clearances from com- SAFETY line connections shall be inspected for bustibles: INFORMATION leaks. Any leaks shall be repaired prior Outlet: 2.5 meters to returning the heater to service. Sides: 1.25 meters e) At no time shall more than one day’s Top: 1.25 meters supply of heater fuel be stored inside Rear: 1.25 meters WARNINGS a building in the vicinity of the heater. • Locate heater on a st
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OWNER’S MANUAL PRODUCT IDENTIFICATION Hot Air Outlet Handle Upper Shell Lower Shell Fan Guard Fuel Gauge Air Filter Fuel Tank End Cover ON/OFF Switch Fuel Cap Side Cover 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 Fan Guard Fuel Tank Air Filter End Cover Receptacle Fuel Cap Side Cover ON/OFF Switch Flame-Out Control Reset Button Power Cord Figure 2 - RJ70 104950 3
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RJ45 And RJ70 PORTABLE FORCED AIR HEATERS THEORY OF OPERATION FUELS The Fuel System: The air pump forces air The Ignition System (RJ45): The igni- WARNING: Use only kerosene through the air line. The air is then pushed tion control assembly provides power to the or no. 1 fuel oil to avoid risk of fire through the nozzle. This air causes fuel to ignitor. This ignites the fuel/air mixture in or explosion. Never use gasoline, lift from the tank. A fine mist of fuel is the combustion chamber. naphtha
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OWNER’S MANUAL 5. Plug extension cord into standard 100 OPERATION STORING, volt/50 or 60 hertz grounded outlet. TRANSPORTING, 6. Switch heater ON. WARNING: Review and un- RJ45 Note: Ignitor will preheat for OR SHIPPING derstand the warnings in the five seconds, then heater will start. Safety Information section, page Note: If shipping, transport companies re- 2. They are needed to safely op- RJ70 Note: If heater will not start, quire fuel tanks to be empty. erate this heater. Follow all local p
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RJ45 And RJ70 PORTABLE FORCED AIR HEATERS TROUBLESHOOTING 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 after heater 1. No power to heater 1. Check circuit breaker in electrical panel is plugged in and switched ON WARNING: High voltage! 2. Bad electrical connection between mo- 2. Check all electrical connections. See tor and ignition control assemb
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OWNER’S MANUAL TROUBLESHOOTING 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
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RJ45 And RJ70 PORTABLE FORCED AIR HEATERS PUMP PRESSURE SERVICE ADJUSTMENT PROCEDURES Fan 1. Remove pressure gauge plug from filter end cover. Motor WARNING: Never service 2. Install accessory pressure gauge (part heater while it is plugged in, op- number HA1180). erating, or hot. Severe burns and 3. Start heater (see Operation, page 5). Al- electrical shock can occur. low motor to reach full speed. Flush 4. Using a flat blade screwdriver, adjust UPPER SHELL REMOVAL pressure. Turn relief valve t
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OWNER’S MANUAL Combustion Nozzle IGNITOR (RJ45) SERVICE Chamber Adapter 1. Remove upper shell and fan guard (see Bracket PROCEDURES Upper Shell Removal, page 8). Continued Ignitor 2. Remove fan (see Fan, page 8). Air Line Ignitor 3. Remove side cover screws with a 5/16" FUEL FILTER Hose Wires nut driver. Remove side cover (see Fig- 1. Remove side cover screws using 5/16" (Gray) ure 9). nut-driver (see Figure 9). Fuel 4. Disconnect ignitor wires from ignition 2. Remove side cover. Line control a
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RJ45 And RJ70 PORTABLE FORCED AIR HEATERS 9. Screw nozzle into nozzle adapter until SERVICE FUEL AND AIR LINE nozzle seats. Tighten 7200-8000 grams/ REPLACEMENT AND PROCEDURES centimeter using 5/8" socket wrench. PROPER ROUTING Continued 10. Install nozzle adapter into nozzle 1. Remove upper shell (see Upper Shell adapter bracket. SPARK PLUG (RJ70) Removal, page 8). 11. Connect and route fuel line hose and 1. Remove upper shell (see Upper Shell 2. Remove side cover screws using 5/16" air line ho
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OWNER’S MANUAL 9. Blow compressed air through face of 10. Install blades, pump plate, air filters, SERVICE nozzle. This will free any dirt in and filter end cover. nozzle area. PROCEDURES 11. Replace fan guard and upper shell. 10. Inspect nozzle seal for damage. Continued 12. Adjust pump pressure (see Pump Pres- 11. Replace nozzle into burner head and sure Adjustment, page 8). NOZZLE (RJ70) tighten firmly (14,300-19,600 grams/ Note: If rotor is still binding, proceed 1. Remove upper shell (see Uppe
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RJ45 And RJ70 PORTABLE FORCED AIR HEATERS WIRING DIAGRAMS Ignitor IGNITOR Orange Red MOTOR MAIN Ignition Control Green Motor Assembly Black Black 120V (L1) Black Green ON/OFF Receptacle Switch White AC NEUTRAL (L2) MOTOR RETURN White IGNITOR Blue PHOTOCELL Photocell PHOTOCELL Blue Figure 22- Wiring Diagram For RJ45 Power Plug 100V/50 or 60 Hz Green Plug White Black Black Power On Switch Receptacle Black White White White B Green/ Green Motor Yellow Flame- Terminal White Blue Photo- Blue Ignitor
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OWNER’S MANUAL SPECIFICATIONS RJ45 RJ70 Maximum Output Rating (Kcal/Hr) 11,900 17,600 Fuel Use Only Kerosene or No. 1 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 50/60 Hz) 2850/3450 2850/3450 Motor Watts 93 93 2 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. A 008 AIR GAUGE KIT - HA1180 IGNITIO
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RJ45 And RJ70 PORTABLE FORCED AIR HEATERS 4 1 ILLUSTRATED PARTS BREAKDOWN RJ45 2 5 9-1 36 9-5 9-2 3 9 7 6 11 9-4 9-3 8 21 10 12 18 13 20 22 16 23 24 25 28 42 26 27 30 29 35 37 34 12-1 19 12-2 17 12-3 15 12-4 41 14 40 33 31 39 32 38 12-18 12-17 12-7 12-16 12-8 12-5 12-6 12-9 12-15 12-13 12-11 12-14 Motor and Pump Assembly 12-10 12-12 104950 14
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OWNER’S MANUAL This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct PARTS LIST model and serial numbers (from the model plate), then the part number and description of the desired part. RJ45 KEY PART KEY PART NO. NUMBER DESCRIPTION QTY. NO. NUMBER DESCRIPTION QTY. 12-18 FHPF3-5C Screw 2 1 M51104-01 Handle 1 2 098511-36 Upper Shell 1 13 M51105-01 Fan Guard 1 3 M11084-29 Screw, #10-16 x 3/4" 2 14 102330-01 Power Cord 1 15 099492-01 Strai
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RJ70 RJ45 And RJ70 PORTABLE FORCED AIR HEATERS 3 ILLUSTRATED PARTS BREAKDOWN RJ70 2 4 10 7 6 14 8 26 12 11 12 18 15 16 17 48 25 23 24 10-1 21 20 10-2 22 10-4 35 36 10-3 27 29 10-5 44 10-7 31 28 33 32 38 30 39 10-6 Burner Head Assembly 1 37 34 19 18-18 40 18-4 41 18-5 13 18-6 43 9 18-1 18-7 18-2 18-3 5 47 46 42 45 18-8 18-17 18-9 18-16 18-15 18-10 18-14 18-11 18-12 18-13 Motor and Pump Assembly 104950 16
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OWNER’S MANUAL This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct PARTS LIST model and serial numbers (from the model plate), then the part number and description of the desired part. RJ70 KEY PART PART KEY PART PART NO. NUMBER DESCRIPTION QTY. NO. NUMBER DESCRIPTION QTY. 18-17 M8643** Blade 4 1 097190-01 Fuel Gauge 1 18-18 FHPF3-5C Screw, #10-32 x 5/8" 2 2 098511-36 Upper Shell 1 19 M50050 Rubber Cap 1 3 100647-01 Screw, #10-16 x 1/2" 6
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WARRANTY AND REPAIR SERVICE WARRANTY SERVICE LIMITED WARRANTY Should your heater require service, return it to your nearest authorized service center. Proof of purchase must DESA International warrants this product and any be presented with the heater. The heater will be inspected. parts thereof, to be free from defects in materials and A defect may be caused by faulty materials or workman- workmanship for one (1) year from the date of first ship. If so, DESA International will repair or replace
