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Summary of Contents for Desa RJ45
- Page 1 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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Page 2: Safety Information
RJ45 And RJ70 PORTABLE FORCED AIR HEATERS SAFETY d)During fueling, all fuel lines and fuel- • Minimum heater clearances from com- 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. -
Page 3: Product Identification
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... -
Page 4: Theory Of Operation
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. -
Page 5: Operation
60 hertz grounded outlet. TRANSPORTING, 6. Switch heater ON. WARNING: Review and un- OR SHIPPING RJ45 Note: Ignitor will preheat for derstand the warnings in the five seconds, then heater will start. Safety Information section, page Note: If shipping, transport companies re- 2. -
Page 6: Troubleshooting
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. - Page 7 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.
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Page 8: Service Procedures
RJ45 And RJ70 PORTABLE FORCED AIR HEATERS SERVICE PUMP PRESSURE ADJUSTMENT PROCEDURES Remove pressure gauge plug from filter end cover. Motor WARNING: Never service Install accessory pressure gauge (part heater while it is plugged in, op- number HA1180). erating, or hot. Severe burns and Start heater (see Operation, page 5). - Page 9 OWNER’S MANUAL SERVICE IGNITOR (RJ45) Combustion Nozzle Chamber Adapter 1. Remove upper shell and fan guard (see PROCEDURES Bracket 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"...
- Page 10 Hoses Spark Plug (see Figure 14 or Figure 18, page 11). Route air and fuel line approximately Combustion as shown in Figure 14 (RJ45) or 18 Chamber Figure 12 - Spark Plug Removal (RJ70), page 11. Nozzle Note: Hoses are not to touch photocell...
- Page 11 OWNER’S MANUAL 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. PROCEDURES nozzle area. 11. Replace fan guard and upper shell. Continued 10. Inspect nozzle seal for damage. 12.
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Page 12: Wiring Diagrams
ON/OFF Receptacle Switch AC NEUTRAL (L2) White 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... -
Page 13: Specifications
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) Electric Requirements 100V/50 or 60 Hz Amperage (Normal Run) Motor Speed (RPM at 50/60 Hz) -
Page 14: Illustrated Parts Breakdown
RJ45 PORTABLE FORCED AIR HEATERS ILLUSTRATED PARTS BREAKDOWN RJ45 12-1 12-2 12-3 12-4 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... -
Page 15: Parts List
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 PART PART... -
Page 16: Illustrated Parts
RJ70 PORTABLE FORCED AIR HEATERS ILLUSTRATED PARTS BREAKDOWN RJ70 10-1 10-2 10-4 10-3 10-5 10-7 10-6 Burner Head Assembly 18-18 18-4 18-5 18-6 18-1 18-7 18-2 18-3 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... - Page 17 OWNER’S MANUAL 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. RJ70 PART PART...
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Page 18: Warranty And Repair Service
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 the purchase when operated and maintained in accordance heater without charge.
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