6

THEORY OF

The Fuel System: The air pump forces air through the air line. The air is then

OPERATION

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.

 

 

 

 

 

 

 

Motor

Air Pump

Combustion

Spark

Burner

Fan

Air

Chamber

Plug

Intake

Head

 

 

 

 

Filter

 

 

 

 

Clean

 

 

 

Cool

Heated

 

 

 

Air

Air Out

 

 

 

In

 

 

 

 

Air

 

 

 

 

Output

 

 

 

 

Filter

Fuel

Nozzle

Fuel

Air Line

Electronic

 

Tank

 

Filter

To Burner

Ignitor

 

 

 

 

Air For Fuel

 

Air For Combustion

Fuel

 

System

 

And Heating

 

 

 

 

 

THEORY CUTAWAY

 

PFA/OV 003

 

 

 

Figure 4 - Cross Section Operational View

 

 

FUELS

! 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.

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Desa 000 70, 35, 110, 000 BTU/Hr ARL, 000 50, 000 55, 150, 100 owner manual Theory, Fuels

100, 150, 000 70, 000, 000 55 specifications

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