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104252
OWNER’S MANUAL
THEORY OF
OPERATION
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 transformer
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.
Fan
Fuel Filter
Air For Fuel
System
Air For Combustion
And Heating
Fuel
Spark
Plug
Combustion
Chamber
Intake
Air
Filter
Motor Air Pump
Air line
To Burner
Transformer
Clean
Heated
Air Out
Cool
Air
In
Output
Air
Filter
Nozzle
Fuel
Tank
Figure 5 - Cross Section Operational View
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
• use of non-toxic anti-icer in fuel during
very cold weather
• poor starting during very cold weather
IMPORTANT:
Use a KEROSENE ONLY
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 re-
quire you to clean fuel system often.
WARNING: Use only kero-
sene or No. 1 fuel oil to avoid risk
of fire or explosion. Never use
gasoline, naphtha, paint thinners,
alcohol or other highly flammable
fuels.
Burner
Head
VENTILATION
WARNING: Follow the mini-
mum fresh, outside air ventila-
tion requirements. If proper fresh,
outside air ventilation is not pro-
vided, carbon monoxide poison-
ing can occur. Provide proper
fresh, outside air ventilation be-
fore running heater.
Provide a fresh air opening of at least 2800
square cm (three square feet) for each 29,3
kW (100,000 Btu/Hr) rating. Provide extra
fresh air if more heaters are being used.
Example:
A 29,3 kW (100,000 Btu/Hr)
heater requires one of the following:
• a 4,88 m (16 foot) wide two-car garage
door raised 5,72 cm (2.25 inches)
• a 2,75 m (9 foot) wide single-car garage
door raised 10,16 cm (4 inches)
• two, 76,20 cm (thirty-inch) wide win-
dows raised 18,42 cm (7.25 inches)