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Version B - For Reduction G016.J
®
Dayton Operating Instructions and Parts Manual
7
Model 3VG80
5. Plug extension cord into a 120 Volt/60
Hertz, 3-hole, grounded outlet. Motor
will start. Fan will turn, forcing air out
front of heater.
6. Open propane supply valve on propane
tank(s) slowly.
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.
7. Press and hold in control knob. Turn
counterclockwise to the LOW position.
Heater should ignite within a few
seconds.
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 7.
8. After ignition, wait 30 seconds then
release the control knob. This activates
the automatic control system.
9. When burner remains lit, set heater at
the desired heat level by turning the
control valve counterclockwise. If
burner goes out, turn off gas. Turn
control knob fully clockwise to the
lowest position. Check fuel supply. If
adequate fuel is available, restart
heater beginning at Step #1.
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 hoses.
3. Turn control knob to the OFF position.
4. Unplug heater.
Operation (Continued)
Disconnect heater
from propane
supply tank(s).
Storage
1. Store propane tank(s) in safe manner.
See Chapter 5 of Standard for Storage
and Handling of Liquefied 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. Keep inside of heater
free from combustible and foreign
objects.
Maintenance
• Never attempt to
service heater
while it is plugged in, 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 combustion
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 highly worn or cut,
replace.
4. Have heater inspected yearly by a
qualified service person.
5. Keep inside of heater free from
combustible and foreign objects.
Remove motor and other internal parts
if needed to clean inside of heater (See
Service Procedures, page 8).
6. Clean fan blades each season or as
needed (See Fan, page 8).
SERVICE PROCEDURES
Never attempt to
service heater
while it is plugged in, connected to
propane supply, operating, or hot.
Severe burns and electrical shock can
occur.
MOTOR
1. With heater on its side, remove base tray.
2. Access ground screw through under-
side of heater base. Remove ground
screw. Disconnect the green motor
wire and the green power cord wire
from underside of shell (See Figure 6,
page 8).
3. Remove black and white motor wires
from terminal board (See Figure 6,
page 8).
4. Carefully push motor wires through
hole in bottom of shell.
5. Remove screws holding motor mount
to shell. Use nut-driver (See Figure 7,
page 8).