SAFETY INFORMATION
Continued
• Never move, handle, or service a hot or operating heater. Severe
burns may result. You must wait 15 minutes after turning heater off.
• To prevent injury, wear gloves when handling heater.
• Never attach duct work to heater.
• Do not alter heater. Keep heater in its original state.
• Do not use heater if altered.
• Turn off propane supply to heater when not in use.
• Use only original replacement parts. This heater must use de-
sign-specific parts. Do not substitute or use generic parts. Im-
proper replacement parts could cause serious or fatal injuries.
PRODUCT IDENTIFICATION
Hot Air Outlet
(Front)
Control
Knob
Inlet
Connector
Hose /Regulator
Assembly
Figure 1 - 100,000 Btu/Hr Model
111710-01A
Handle
Fan Guard
Power Cord
For more information, visit www.desatech.com
For more information, visit www.desatech.com
UNPACKING
1. Remove all packing items applied to heater for shipment. Keep
plastic cover caps (attached to inlet connector and hose/regu-
lator assembly) for storage.
2. Remove all items from carton.
3. Check all items for shipping damage. If heater is damaged,
promptly inform dealer where you bought heater.
THEORY OF OPERATION
The Fuel System:
propane gas supply. The propane gas moves through the automatic
control valve and out the nozzle.
The Air System:
and around the combustion chamber. This air is heated and provides
a stream of clean, hot air.
The Ignition System:
main burner.
The Safety Control System:
down if the flame goes out.
Note: Some parts are located differently on some models.
Clean
Heated
Air Out
(Front)
Motor
Mount
Figure 2 - Cross Section Operational View
SAFETY INFORMATION
PRODUCT IDENTIFICATION
UNPACKING
THEORY OF OPERATION
The hose/regulator assembly attaches to the
The motor turns the fan. The fan pushes air into
The spark transformer and ignitor lights the
This system causes the heater to shut
Combustion
Chamber
Nozzle
Air For Combustion
Fuel
And Heating
3 3
Fan
Cool
Air In
(Back)
Power
Cord
Hose/
Regulator
Assembly