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Air For Combustion
And Heating
Fuel
THEORY OF
OPERATION
The Fuel System: The hose/regulator assembly attaches to the propane gas
supply. The propane gas moves through the solenoid valve and out the nozzle.
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 direct spark ignitor (DSI) sends voltage to the
ignitor. The ignitor ignites the fuel and air mixture.
The Safety Control System: This system causes the heater to shut down if the
flame goes out.
Cool Air In
(Back)
Figure 2 - Cross Section Operational View
Hose/Regulator
Assembly
Solenoid
Valve
DSI
Nozzle
Clean
Heated
Air Out
(Front)
On/Off Switch
Power
Cord
Combustion
Chamber
Ignitor
Fan
Motor