Fill the fuel tank
The Dragon is shipped with the fuel tank
empty. Before operating, fill the tank with
diesel. Do not overfill.
In freezing conditions, see "Cold weather
recommendations," p. 3.
NOTICE: Never use gasoline or crankcase
drainings for fuel.
NOTICE: Do open the fuel cap or fill the tank
while the unit is operating.
Attach exhaust stack
Before operating the Dragon, affix the
provided exhaust stack with rain cap to the
flue opening by slipping the stack over the flue
opening (Fig. A). If the stack does not fit
snugly, drive small sheet metal screws through
the base of the stack into the exhaust outlet to secure
the stack. To prevent damage to the unit, remove the
stack when transporting the Dragon.
NOTICE: Do not operate the Dragon without the
exhaust stack in place. The flue pipe must be at least
two feet long and provide sufficient draft to assure safe
and proper operation of the heater.
Install ducting
1. Attach the ducting on the heated air outlet (Fig. A)
and secure it with the clamp provided.
2. Place the other end of the ducting into a suitable
inlet in the structure.
Place thermostat sensor
Place the thermostat sensor into the space being
heated. For more accurate control, we recommend
placing the sensor in an area where the air is flowing
freely. The burner will automatically turn off when the
temperature in the monitored area reaches the
setpoint, or a maximum of 105°F (41°C), in order to
help operators comply with the RIA Safe Harbor
clause.
Plug in unit
Use an extension cord to connect the unit to a 115V
circuit rated for at least 15 amps. The cord plug will
glow when electricity is present.
OPERATING THE DRAGON
Inspect before operation
WARNING! Before starting the Dragon:
Check for any fuel leaks around the fuel tank or
fuel lines.
Check for nearby hazards like combustible
materials or flammable vapor sources.
Check the power cord for damage.
Correct these and any other safety hazards before
starting the Dragon.
49-120D F535
Fig. C: Control Panel
Power cord
Control knob
connection
Starting the Dragon
1. Check the fuel tank. See Fuel Type (see p. 3) for
fuel requirements.
2. Turn the CONTROL KNOB to the Heat position
(Fig. C).
You will hear the burner ignite. The burner will operate
a few minutes until the internal heat exchanger
reaches operating temperature. Then the fan will turn
on and the unit will begin producing heat.
NOTE: It is normal to see a small amount of smoke
when starting or stopping the unit. If smoke continues
for more than a few seconds, turn off the unit and see
"Adjusting for proper combustion and altitude," p. 5.
NOTE: At temperatures of 35°F (2°C) or below, wait
25–30 minutes after plugging in the unit before
turning the CONTROL KNOB to Heat. This allows
time for the burner nozzle preheater to bring the fuel
up to the correct operating temperature.
NOTICE. Monitor the settings on the Dragon and
conditions in the structure at least once a day to
ensure proper operation.
Fig. D: Access Cover, Burner Reset Button
4
Temperature
Thermostat
sensor cable
control knob
connection
Loosen both bolts and
pivot cover as shown to
access Burner Reset
Button inside. Close
cover and retighten bolts
when finished.
Dri-Eaz Products, Inc.