Product Identification; Theory Of Operation - Desa PROPANE CONSTRUCTION HEATERS Owner's Manual

PRODUCT IDENTIFICATION

Hot Air Outlet
(Front)
Figure 1 - 100,000 Btu/Hr Model
THEORY OF
OPERATION
The Fuel System: The hose/regulator
assembly attaches to the propane gas sup-
ply. The propane gas moves through the
automatic control 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 spark trans-
former and ignitor lights the main burner.
The Safety Control System: This sys-
tem causes the heater to shut down if the
flame goes out.
Note: Some parts are located differently on
some models.
102370-01H
Handle
Control
Knob
Inlet
Connector
Clean
Heated
Air Out
(Front)
Figure 2 - Cross Section Operational View
OWNER'S MANUAL
UNPACKING
1.
2.
3.
Fan Guard
Motor
Mount
Power Cord
Hose /Regulator
Assembly
Combustion
Nozzle
Chamber
Air For Combustion
And Heating
3
Remove all packing items applied to
heater for shipment. Keep plastic cover
caps (attached to inlet connector and
hose/regulator assembly) for storage.
Remove all items from carton.
Check all items for shipping damage.
If heater is damaged, promptly inform
dealer where you bought heater.
Fan
Cool Air In
(Back)
Power
Cord
Hose/Regulator
Assembly
Fuel