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Dayton Operating Instructions and Parts Manual
Model 4E769B
Theory of Operation
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.
Combustion
Chamber
Clean Heated Air Out (Front)
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.
Fan
Motor
Cool Air
In (Back)
Propane Supply
Propane gas and propane tank(s) must to provided by the customer.
Use this heater only with a propane vapor withdrawal supply system. See Chapter 5 of the Standard for Storage and Handling of Liquefied Petroleum Gas, ANSI/NFPA 58. Your local library or fire department will have this booklet.
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
aminimum
minimum surrounding air temperature rating for each heater is
| Average Temperature | Number of Tanks |
| (oF) at Tank Location | (100 pound) |
| 40° | 1 |
Hose/Regulator Assembly | 32° | 1 |
| 20° | 1 |
Air For Combustion | Air For Heating | 1 |
| 10° |
0°1
Figure 3 - Cross Section Operational View
®
5
Version B - For Reduction | G016.J |