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101497
Air For Combustion Air For Heating
THEORY OF
OPERATION
Combustion
Chamber
Clean
Heated
Air Out
(Front)
Hose/Regulator
Assembly
Cool Air In
(Back)
The Fuel System: The hose/regulator assembly attaches to the propane gas
supply. This provides fuel to the heater.
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 piezo ignitor lights the burner.
The Automatic Control System: This system causes the heater to shut down
if the flame goes out.
Motor
Fan
Figure 2 - Cross Section Operational View
PROPANE
SUPPLY
Propane gas and propane tank(s) are to be furnished by the user.
Use this heater only with a propane vapor withdrawal supply system. The amount
of propane gas ready for use from propane tanks varies. Two factors decide this
amount:
1. The amount of propane gas in tank(s)
2. The temperature of tank(s)
This heater is designed to operate with a minimum 9-kg (20-pound) propane tank.
You may need two or more tanks or one larger tank in colder weather. Use a 45-kg
(100-pound) tank for longer operation or in very cold weather. Less gas is vapor-
ized at lower temperatures. Your local propane gas dealer will help you select the
proper supply system.
Average Temperature 0°C -6.7°C -12°C -17.7°C -23.3°C -28.9°C
At Tank Location (32°F) (20°F) (10°F) (0°F) (-10°F) (-20°F)
Number Of Tanks
(45 kg/100-pound) 1111 2 2