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Dayton Operating Instructions and Parts Manual
7
Model 4E769B
Version B - For Reduction G016.J
®
Operation (Continued)
NOTE: If not opened slowly, excess-flow
check valve on propane tank will stop
gas flow. If this happens, close propane
supply valve and open again slowly.
Be sure motor and
fan are running
before pushing in automatic control
valve button. Flames could flash
outside heater if motor and fan are not
running.
6. Push in and hold automatic control
valve button (See Figure 6). Push piezo
ignitor button (See Figure 6). You may
need to push piezo ignitor button 3-8
times until the burner lights. When
burner lights, keep automatic control
valve button pushed in. Release
button after 30 seconds.
Automatic
Control Valve
Button
Piezo Ignitor
Button
Figure 6 - Automatic Control Valve
Button and Piezo Ignitor Button
NOTE: If heater fails to ignite, hose may
have air in it. If so, keep automatic
control valve button pressed and wait 20
seconds. Release automatic control valve
button and wait 20 seconds for unburned
fuel to exit heater. Repeat step 6.
Storage
Disconnect heater
from propane
supply tank(s).
1. Store propane tank(s) in safe
manner. See Chapter 5 of Standard
for Storage and Handling of Lique-
fied Petroleum Gases, ANSI/NFPA 58.
Follow all local codes. Always store
propane tanks outdoors.
2. Place plastic cover caps over brass
fittings on inlet connector and hose/
regulator assembly.
3. Store in dry, clean, and safe place. Do
not store hose/regulator assembly
inside heater combustion chamber.
4. When taking heater out of storage,
always check inside of heater. Insects
and small animals may place foreign
objects in heater. Remove motor and
other internal parts if needed to
remove foreign objects (See Service
Procedures, page 8).
Maintenance
Never attempt to
service heater
while it is connected to propane
supply, operating, or hot. Severe burns
and electrical shock can occur.
Keep heater clear
and free from
combustible materials, gasoline, and
other flammable vapors and liquids.
Do not block the
flow of combus-
tion or ventilation air.
1. Keep heater clean. Clean heater
annually or as needed to remove dust
and debris. If heater is dirty or dusty,
clean heater with a damp cloth. Use
household cleaners on difficult spots.
2. Inspect heater before each use.
Check connections for leaks. Apply
mixture of liquid soap and water to
connections. Bubbles forming show
a leak. Correct all leaks at once.
3. Inspect hose/regulator assembly before
each use. If hose is worn or cut, replace.
4. Have heater inspected yearly by a
qualified service agency.
5. Keep inside of heater free from
combustible and foreign objects.
Remove motor and other internal parts
if need to clean inside of heater (See
Service Procedures, page 8).
6. Clean fan blades each season or as
needed (See Fan, page 8).
NOTE: If heater is unplugged or power
outage occurs while heater is running,
the thermal limit device will stop fuel
flow. A few seconds occur before the
thermal limit device activates. During
this short time, flames may appear
outside the heater. This is normal. The
flames will go out when thermal limit
device activates.
TO STOP HEATER
1. Tightly close propane supply valve
on propane tank(s).
2. Wait a few seconds. Heater will burn
gas left in supply hose.
3. Unplug heater.
TO RESTART HEATER
1. Wait five minutes after stopping heater.
2. Repeat steps under To Start Heater,
page 6.