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Dayton Operating Instructions and Parts Manual
5
Model 4E769B
Version B - For Reduction G016.J
®
Average Temperature Number of Tanks
(
o
F) at Tank Location (100 pound)
40° 1
32° 1
20° 1
10° 1
0° 1
-10° 2
-20° 2
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
a minimum 20-pound propane tank.
You may need two or more tanks or
one larger tank in colder weather. Use
a 100-pound tank for longer operation
or in very cold weather. Less gas is
vaporized at lower temperatures. Your
local propane gas dealer will help you
select the proper supply system. The
minimum surrounding air temperature
rating for each heater is -20°F (-29°C).
Figure 3 - Cross Section Operational View
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.
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.
Air For Combustion Air For Heating
Combustion
Chamber
Fan
Cool Air
In (Back)
Motor
Clean Heated
Air Out
(Front)
Hose/Regulator Assembly