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PFA/PV 003 150 SIDE FRONT HANDLE PFA/PV 007 Heater Sizes: 35,000 50,000 55,000 70,000 100,000 110,000 150,000 BTU/Hr 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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• Use only in well-vented areas. Before using heater, provide at least a three-square- foot opening of fresh, outside air for each 100,000 BTU/Hr of rating. This heater produces carbon monoxide, which is listed by the State of California as a reproductive toxin under Proposition 65.
5. After all screws are inserted, tighten nuts firmly. Screw Hot Air Outlet Fuel Tank Flange Wheel Support Frame Wheel Cap Nut ASSEMBLY Figure 3 - Wheel and Handle Assembly, 100/110/150,000 BTU/Hr Models Only Front Handle Rear Handle Inlet Extended Axle PFA/PV 018...
THEORY OF OPERATION Clean Heated Air Out Fuel Tank FUELS The Fuel System: The air pump forces air through the air line. The air is then pushed through the burner head nozzle. This air causes fuel to lift from the tank. A fine mist of fuel is sprayed into the combustion chamber.
Provide proper fresh, outside air ventilation before running heater. Provide at least a three-square-foot opening of fresh, outside air for each 100,000 BTU/Hr rating. Provide extra fresh air if more heaters are being used.
To Stop Heater OPERATION 1. Unplug extension cord from outlet. Continued To Restart Heater 1. Wait two minutes after stopping heater. 2. Repeat steps under To Start Heater, page 7. STORAGE 1. Drain fuel tank. 2. Replace drain plug if used. 3.
TROUBLE- SHOOTING OBSERVED FAULT Heater ignites, but flame-out control shuts off heater after a short period of time. Heater will not ignite, but motor runs for a short period of time. Motor does not start when heater is plugged in, fan rotates slowly or does not turn.
Motor Figure 10 - Fan Cross Section 150,000 BTU/Hr Model Air Intake Filter Filter End Fan Guard Cover Lint Filter Air Output Filter Figure 12 - Air Output, Air Intake, and Lint Filters, 100/110/150,000 BTU/Hr Models Guard Motor Shaft 099176...
2. Remove side cover. 3. Pull upper fuel line off fuel filter neck. 4. Carefully pry bushing, fuel filter, and lower fuel line (100/110/ 150,000 BTU/Hr models only) out of fuel tank. 5. Wash fuel filter with clean fuel and replace in tank.
Note: Rotate rotor one full turn to insure the gap is .003"/.004" at tightest position. Adjust if needed. Continued 099176 Combustion Chamber Screw Air Line Hose Figure 25 - Removing Burner Head, 70/100/110/150,000 BTU/Hr Models Nozzle Nozzle Seal Face Nozzle Burner Head Air Line...
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.