Thermoheat KFA125L 125,000 BTU Kerosene Forced Air Heater
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KFA125L

Thermoheat KFA125L 125,000 BTU Kerosene Forced Air Heater


The Thermoheat 125,000 BTU portable multi-fuel forced air heaters offer improved circulation and a maintenance friendly design. The Comfort Control Thermostat and Dual BTU Technology conserves fuel and makes maintaining thermal comfort effortless. Digital Diagnostics ensures the 100,000 or 125,000 BTU's will always be ready to heat an area of 3,000 square feet for 11 to 13 hours. 10 Inch Flat-Free wheels mean no flats, no down time.

Kerosene

Forced Air

Coverage 3000 sq ft

Indoor-Outdoor-Construction

Features
  • Dual Heat Technology
  • Comfort Control Thermostat
  • 10 Inch Flat-Free Wheels
  • Safety Flame-out Sensor
  • Run-Time Fuel Gauge
  • Front and Rear Lift Handles w/ Cord Wrap
  • Built-In Air Pressure Gauge
  • Dual Source Power Cord
  • One Piece Aluminum Motor
  • Glove Friendly Industrial Fuel-Cap
  • Maintenance Friendly Design
  • High-Temp Composite Nozzle Adapter
Specs
  • Heater Type: Multi-Fuel Forced Air
  • Fuel Type: 1K Kerosene, Diesel #1, #1 Fuel Oil
  • BTU Ouput: 125,000 (HIGH) / 100,000 (LOW)
  • Igniton Type: Spark Plug Ignition System
  • Tank Size (Gal.): 10
  • Operating Time (hrs): 11 (HIGH) / 13 (LOW)
  • Heating Coverage (sq. ft.): 3000
  • Dimensions (inches): 41.9x21.5x32.4
  • Weight (lbs.): 54.5
Drawings
Thermoheat KFA125L 125,000 BTU Kerosene Forced Air Heater
Click to view full size drawing
FAQs
Kerosene Forced Air FAQ
Trouble Possible Cause Corrective Action
Heater ignites but MAIN PCD assembly shuts heater off after a short period of time. (Indicator Lamp is flickering and room temp. display indicates "E1")
  1. Wrong pump pressure
  2. Dirty Air Output, Air Intake or Link Filter.
  3. Dirty Fuel Filter
  4. Dirty in Nozzle.
  5. Dirty Photocell Lens.
  6. Photocell Assembly not properly installed. (Not seeing the flame)
  7. Bad electrical connection between photocell and Main PCB assembly.
  8. Defective Photocell.
  1. See Pump Pressure Adjustment, Page 13 of the operating manual.
  2. See Air Output, Air intake and Lint Filters on Page 10 of the operating manual.
  3. See Fuel Filter on Page 13 of the operating manual.
  4. See Nozzle on Page 11 of the operating manual.
  5. Clean Photocell Lens on Page 12 of the operating manual.
  6. Make sure photocell boot is properly seated in bracket, see page 12 of the operating manual.
  7. Check electrical components. See wiring diagram on Page 16 of the operating manual.
  8. Replace Photocell, see page 12 of operating manual.
Heater will not ignite but motor runs for a short period of time (Indicator Lamp is flickering and room temp. display indicates "E1")
  1. No fuel in tank.
  2. Wrong pump pressure.
  3. Carbon deposits on spark plug and / or improper gap.
  4. Dirty fuel filter.
  5. Dirt in Nozzle.
  6. Water in fuel tank.
  7. Bad electrical connection between ignitor and MAIN PCB assembly.
  8. Ignitor wire is not attached to spark plug.
  1. Fill tank with kerosene.
  2. See Pump Pressure Adjustment on Page 13 of the operating manual.
  3. See Spark Plug on Page 12 of the operating manual.
  4. See Fuel Filter on Page 13 of the operating manual.
  5. See Nozzle on Page 11 of the operating manual.
  6. Flush fuel tank with clean kerosene, see Page 9 of the operating manual.
  7. Check electrical components. See wiring diagram on Page 16 of the operating manual.
  8. Attach ignitor wire to spark plug, see Spark Plug on Page 12 of the operating manual.
Fan does not turn when heater is plugged in and power switch was in the"ON" Position. (Indicator Lamp is on and flickering)
  1. Thermostat setting is too low.
  2. Bad Electrical connection between motor and MAIN PCB assembly.
  1. Turn thermostat control knob to higher setting.
  2. Check electrical connections, see wiring diagram on Page 16 of the operating manual.
(Indicator Lamp is flickering and room temp. display indicates "E2")
  1. Room Temp. Sensor disconnected.
  2. Sensor Failure.
  1. Reconnect Sensor. See wiring diagram on Page 16 of the operating manual.
  2. Replace Sensor. See wiring diagram on Page 16 of the operating manual.
(Indicator Lamp is flickering and room temp. display indicates "E3")
  1. Thermostat switch failure.
  1. Replace switch. See wiring diagram on Page 16 of the operating manual.
Heater will not turn-on (Indicator Lamp is off)
  1. Temperature limit safety device overheated.
  2. No electrical power.
  3. Blow Fuse
  4. Bad electrical connection between temperature limit safety device and PCB board.
  1. Turn power switch to "OFF" and allow to cool (about 10 minutes)
  2. Check to insure heater cord and extension cord are plugged in. Check power Supply
  3. Replace safety fuse in PCB board.
  4. Check electrical connections; see wiring diagram on Page 16 of the operating manual.



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