Product Identification; Unpacking; Theory Of Operation - Desa R600A Owner's Manual

PRODUCT IDENTIFICATION

Hot Air
Outlet
Lower
Shell
Fuel Cap
Thermostat
Figure 1 - 350,000 Btu/Hr Model
Hot Air Outlet
Lower
Shell
Fuel Cap
Thermostat
Figure 2 - 600,000 Btu/Hr Model
110098-01C
Upper Shell
Fuel Tank
Flame-Out
Control Reset
Button
Upper Shell
Flame-Out Fuel
Control
Tank
Reset Button
For more information, visit www.desatech.com
For more information, visit www.desatech.com

UNPACKING

1. Remove all protective packing applied to heater for shipment.
2. Remove heater from shipping container.
3. Check heater for any shipping damage. If heater is damaged,
promptly inform dealer where you bought heater.

THEORY OF OPERATION

The Fuel System:
pulls fuel from the fuel tank. The fuel pump pushes fuel through a
filter and a solenoid valve and out the burner head nozzle. A fine mist
of fuel is sprayed into the combustion chamber.
The Air System:
around the combustion chamber. This air is heated and provides a
stream of clean, hot air.
Power
The Ignition System:
Cord
spark plug. The spark plug ignites the fuel and air mixture.
The Flame-Out Control System:
shut down if the flame goes out. It also allows the fan to continue
running after normal shutdown of heater. This cools the combustion
chamber.
Combustion
Chamber
Clean
Heated
Air Out
Fuel Tank
Figure 3 - Cross Section Operational View
Power
Cord
PRODUCT IDENTIFICATION
UNPACKING
THEORY OF OPERATION
The motor turns the fuel pump. The fuel pump
The motor turns the fan. The fan pushes air into and
The electronic ignitor sends voltage to the
This system causes the heater to
Solenoid Valve
Burner
Spark
Head
Plug
Nozzle
Fuel Line To
Solenoid Valve
Air for
Combustion
and Heating
3 3
Fuel Pump/
Fuel Filter
Motor
Fan
Cool
Air In
Fuel
Pickup
Line
Electronic
Fuel
Ignitor
Filter
Fuel