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THEORY OF
OPERATION
Clean
Heated
Air Out
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.
The Air System: The motor turns the fan. The fan pushes air into and around
the combustion chamber. This air is heated and provides a stream of clean, hot air.
The Ignition System: The electronic ignitor sends voltage to the spark plug.
The spark plug ignites the fuel and air mixture.
The Flame-Out Control System: This system causes the heater to shut down
if the flame goes out.
Fuel ............./
Tank
Combustion Spark
Chamber ",, Plug
\
/
Nozzle .............../
/
/
/
,_............Fuel
Filter
Burner
Motor i Air Pump
Air
Fan
/ Intake
/
/ Filter
/
/
/
/
/
/
/
/..............Air Line
To Burner
Air For Fuel
System
Air For Combustion
And Heating
Figure 4 - Cross Section Operational View
Cool
Air
In
\ Air
Output
Filter
.............Electronic
Ignitor
Fuel
WARNING
Use only kerosene or No. 1 fuel oil to avoid risk of fire or
explosion. Never use gasoline, naphtha, paint thinners,
alcohol, or other highly flammable fuels.
Do not use heavy fuels such as No. 2 fuel oil or No. 2 diesel. Using heavy fuels
will result in:
• clogged fuel filter and nozzle
• carbon build-up on spark plug
• the need of non-toxic anti-icer in fuel during very cold weather
IMPORTANT: Use a KEROSENE ONLY storage container. Be sure storage
container is clean. Foreign matter such as rust, dirt, or water will cause the flame-
out control to shut down heater. Foreign matter may also require you to clean fuel
system often.
10050d