Desa PORTABLE FORCED AIR HEATERS Product, Unpacking, Theory Of, Identification, Operation

PRODUCT	Hot Air Outlet	Handle
IDENTIFICATION		Upper Shell
	Lower Shell	Fan Guard
	Fuel Tank	Air Filter
		End Cover
	Side Cover	Fuel Cap
	Flame-Out Control
	Reset Button
	Power Cord
		Figure 1
UNPACKING	1. Remove all packing items applied to heater for shipment.

2.Remove all items from carton.

3.Check items for shipping damage. If heater is damaged, promptly inform dealer where you bought heater.

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
		Figure 2 - Cross Section Operational View
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