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CANADIAN PORTABLE FORCED AIR HEATERS
OWNER’S MANUAL
MODELS: BC40, RC40, BC55T, RC55T, BC70T, RC70T, BC115CT,
RC115CT, BC165CT AND RC165CT
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.
TABLE OF CONTENTS
Preventative Maintenance Schedule ................... 7
Safety Information ............................................... 2
Unpacking ........................
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11. When heater is moved or stored, it must be in SAFETY INFORMATION a level position or fuel spillage may occur. IMPORTANT: Read this owner’s 12. Use heater only in accordance with local manual carefully and completely ordinances and codes. before trying to assemble, op- 13. Never use gasoline, crankcase drainings, naphtha, paint thinners, alcohol, or other erate, or service this heater. highly flammable fuels. Improper use of this heater can 14. Never use heater where gasoline, paint th
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PRODUCT IDENTIFICATION Nose Cone Guard Hot Air Outlet Upper Shell Handle Fan Guard Lower Shell Air Filter End Cover Fuel Tank Fuel Cap Side Cover Ignition Control Assembly (assembly on inside of side cover) Power Cord Figure 1 - 40 Model Nose Cone Guard Hot Air Upper Shell Outlet Fan Guard Handle Thermostat Lower Knob Shell Fuel Tank Air Filter End Cover Side Cover Ignition Control Assembly (assembly on inside of side cover) Fuel Cap Power Cord Figure 2 - 55T/70T Models Hot Air Upper She
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(FOR 115T AND 165T MODELS ONLY) ASSEMBLY These models are furnished with wheels and a front (FOR 40, 55T, AND 70T MODELS ONLY) handle. Some models are furnished with a rear These models are furnished with a nose cone handle also. Wheels, handle(s), and the mounting guard. Nose cone guard and mounting screws are hardware is found in the shipping carton. found in the shipping carton. Tools Needed Tools Needed • Medium Phillips Screwdriver • 5/16" Nut Driver or Wrench • 3/8" Open or Adjustabl
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chamber. This air is heated and provides a stream THEORY OF OPERATION of clean, hot air. The Fuel System: The air pump forces air through The ignition control assembly provides power to the air line. The air is then pushed through the the ignitor. This ignites the fuel/air mixture in the nozzle. This air causes fuel to be lifted from the combustion chamber. tank. A fine mist of fuel is sprayed into the com- The Flame-Out Control System: This system causes bustion chamber. the heater to s
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Extension Cord Size Requirement VENTILATION 6 to 10 feet (1.8 to 3 meters) long, use 18 AWG (0.75 mm2) rated cord WARNING: Provide a fresh air 11 to 100 feet (3.3 to 30.5 meters) long, use opening of at least three square 16 AWG (1.0 mm2) rated cord feet (2,800 square cm) for each 101 to 200 feet (30.8 to 61 meters) long, use 100,000 Btu/Hr rating. Provide 14 AWG (1.5 mm2) rated cord extra fresh air if more heaters 6. Plug extension cord into standard 120 volt/60 are being used. T
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3. If any debris is noted in old fuel, add 1 or 2 STORING, TRANSPORTING, quarts of clean kerosene to tank, stir, and drain OR SHIPPING again. This will prevent excess debris from N o t e : If shipping, transport companies require clogging filters during future use. fuel tanks to be empty. 4. Replace fuel cap or drain plug. Properly dis- 1. Drain fuel tank. pose of old and dirty fuel. Check with local Note: Some models have drain plug on un- automotive service stations that recycle oil. der
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TROUBLESHOOTING WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. POSSIBLE CAUSE FAULT CONDITION REMEDY 1. No power to heater 1. Check circuit breaker in elec- Motor does not start five seconds after heater is plugged in trical panel 2. Thermostat setting is too low 2. Turn thermostat knob to a higher setting WARNING: High voltage! 3. Bad electrical connection be- 3. Check all electrical connec- tween motor and ignition con-
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FAN SERVICE PROCEDURES I M P O R T A N T : Remove fan from motor shaft before removing motor from heater. The weight WARNING: To avoid risk of of the motor resting on the fan could damage the burn and electrical shock, never fan pitch (see Figure 9). attempt to service heater while it 1. Remove upper shell (see Figure 7 or 8). is plugged in, operating, or hot. 2. Use 1/8" allen wrench to loosen setscrew which holds fan to motor shaft. UPPER SHELL REMOVAL 3. Slip fan off motor shaft. 1.
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PUMP PRESSURE ADJUSTMENT SERVICE PROCEDURES 1. Remove pressure gauge plug from filter end Continued cover (see Figure 13). AIR OUTPUT, AIR INTAKE AND LINT 2. Install accessory pressure gauge (part number FILTERS HA1180). 1. Remove upper shell (see Figure 7 or 8, page 9). 3. Start heater (see Operation, page 6). Allow 2. Remove filter end cover screws using 5/16" motor to reach full speed. nut-driver. See Figure 11 or 12. 4. Adjust pressure. Turn relief valve to right to 3. Remove filter end c
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IGNITOR SERVICE PROCEDURES 1. Remove upper shell and fan guard (See Upper Continued Shell Removal, page 9). FUEL FILTER 2. Remove fan (see page 9). 1. Remove side cover screws using 5/16" nut- 3. Remove 4 side cover screws with a 5/16" driver. nut driver. Remove side cover (see Figures 15 and 16). 2. Remove side cover. 4. Disconnect ignitor wires (yellow) from igni- 3. Pull upper fuel line off fuel filter neck (see tion control assembly (see Figure 17). Pull Figure 15 or 16). the ignitor wi
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Combustion SERVICE PROCEDURES Chamber Continued 7. Remove ignitor screw with a 1/4" nut driver. Burner Strap Nozzle/ Carefully remove ignitor from nozzle adapter Adapter Photocell bracket. Assembly Bracket CAUTION: Do not bend or Air Line Hose strike ignitor element. Handle Fuel Line with care. Hose 8. Carefully remove replacement ignitor from Figure 20 - Removing Air and Fuel Line styrofoam packing. Hoses, (115T Model Only) 9. Carefully guide ignitor into opening in nozzle adapt
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FUEL AND AIR LINE REPLACEMENT SERVICE PROCEDURES AND PROPER ROUTING Continued 1. Remove upper shell (see Upper Shell Re- 6. Ca u y ov no o h no d p ref ll rem e zzle fr m t e zzle a a ter moval, page 9). using 5/8" socket wrench. See Figure 23. 2. Remove side cover screws using 5/16" nut 7. Blow compressed air through face of nozzle. driver (see Figure 15 or 16, page 11). This will free any dirt in nozzle area. 3. Remove side cover. 8. Inspect nozzle sleeve for damage. 4. Inspect fuel and ai
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Blade SERVICE PROCEDURES Pump Plate Continued Air Intake Filter PUMP ROTOR Filter End (Procedure if Rotor is Binding) Cover 1. Remove upper shell (see Upper Shell Re- moval, page 9). 2. Remove filter end cover screws using 5/16" Insert nut-driver (see Figure 25 or 26). Rotor Air Output 3. Remove filter end cover and air filters. Filter 4. Remove pump plate screws using 5/16" nut- driver. Fan Guard 5. Remove pump plate. Figure 25 - Rotor Location, 40/55T/70T 6. Remove rotor, insert, and blades.
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6. Replace fuse cover (see Figure 29). SERVICE PROCEDURES 7. Replace side cover (see Figure 15 or 16, page 11). Continued IGNITION CONTROL ASSEMBLY Fuse Fuse Cover Clips WARNING: High Voltage! Fuse 1. Unplug heater. 2. Remove side cover screws (4) using 5/16" nut-driver to expose ignition control assembly (see Figure 15 or 16, page 11). 3. Remove fuse cover (see Figure 29). 4. Remove fuse from fuse clips (see Figure 29). 5. Replace fuse with fuse of the same type and Figure 29 - Replaci
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ILLUSTRATED PARTS BREAKDOWN MODELS BC40 AND RC40 31 4 37 1 2 5 9-1 36 9-6 9-2 9-5 3 6 7 1 1 9 9-4 8 9-3 21 10 12 18 13 20 22 16 23 24 25 28 26 27 30 29 35 34 33 19 15 14 17 32 16 www.desatech.com 111168-01A
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PARTS LIST MODELS BC40 AND RC40 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. KEY PART NO. NUMBER DESCRIPTION QTY. 1 M51104-01 Handle 1 2 098511-67 Upper Shell (Service Part Will Be Black) 1 3 M11084-29 Screw, #10-16 x 3/4" 2 4 108631-01 Screw, #10-16 x 1" 2 5 098512-58 Combustion Chamber 1 6 M10908-2 Screw, #6-32 x 3/8" 2 7
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ILLUSTRATED PARTS BREAKDOWN MODELS BC55T, RC55T, BC70T, AND RC70T 41 4 40 1 2 5 9-1 36 9-6 9-2 9-5 3 9 7 6 1 1 9-4 9-3 8 21 10 12 18 13 20 22 16 23 24 25 28 26 27 30 29 35 39 38 31 34 37 33 19 15 14 32 17 18 www.desatech.com 111168-01A
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PARTS LIST KEY PART NO. NUMBER DESCRIPTION QTY. MODELS BC55T, 1 M51104-01 Handle 1 RC55T, BC70T, 2 098511-67 Upper Shell (Service Part Will Be Black) 1 AND RC70T 3 M11084-29 Screw, #10-16 x 3/4" 2 This list contains replace- 4 108631-01 Screw, #10-16 x 1" 2 able parts used in your 5 098512-50 Combustion Chamber (55T) 1 heater. When ordering 098512-51 Combustion Chamber (70T) 1 parts, be sure to provide 6 M10908-2 Screw, #6-32 x 3/8" 2 the correct model and se- 7 103154-03 Photocell Bracket
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ILLUSTRATED PARTS BREAKDOWN MODELS BC115CT, RC115CT, BC165CT AND RC165CT 2 1 7-1 7-6 7-2 7-3 3 7-4 7-5 9 7 10 4 5 16 6 8 1 1 19 23 24 12 28 15 40 25 26 41 18 26 20 27 29 22 41 21 30 47 39 14 31 38 13 37 35 33 34 14 36 17 32 44 45 46 42 43 20 www.desatech.com 111168-01A
