The Fuel System:
moves through the automatic control valve and out the nozzle.
The Air System:
This air is heated and provides a stream of clean, hot air.
The Ignition System:
The Safety Control System:
Note: Some parts are located
differently on some models.
mum fresh, outside air ventila-
tion requirements. If proper
fresh, outside air ventilation is
not provided, carbon monoxide
poisoning can occur. Provide
proper fresh, outside air ventila-
tion before running heater.
Provide a fresh air opening of at least 3 ft
for each 100,000 Btu/Hr rating. Provide extra fresh
air if more heaters are being used.
derstand the warnings in the
Safety Information section, page
2. They are needed to safely op-
erate this heater. Follow all local
codes when using this heater.
4
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THEORY OF OPERATION
The hose/regulator assembly attaches to the propane gas supply. The propane gas
The motor turns the fan. The fan pushes air into and around the combustion chamber.
The spark transformer ignitor lights the main burner.
This system causes the heater to shut down if the flame goes out.
Combustion Chamber
Clean
Heated
Air Out
(Front)
Figure 2 - Cross Section Operational View
VENTILATION
WARNING: Follow the mini-
INSTALLATION
WARNING: Review and un-
manuals search engine
Nozzle
Fan
Air For Combustion
Fuel
And Heating
(0.28 m
)
2
2
www.desatech.com
Cool
Air In
(Back)
Power Cord
Hose/Regulator
Assembly
103908-01E