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1.  Turn the HEAT switch off and unplug the Dragon.

WARNING!

  Allow the Dragon to cool for at least 

10 minutes.

2.  Refill the fuel tank with diesel #2 fuel oil only. The 

internal tank has a 9.3-gallon capacity. Do not 
overfill. Turn off power and allow unit to cool 
before refueling.

3.  Plug the Dragon back in to a grounded outlet 

using an appropriately rated extension cord. 

4.  Turn the HEAT switch to on. 

5.  Press the Flame Control Reset Button once. To 

access the button, swivel the metal cover on the 
fuel pump/blower assembly housing.

Press the Flame Control Reset Button

6.  The Dragon will restart after priming the fuel 

pump. If the Dragon does not restart immediately,
wait one minute and press the Flame Control 
Reset Button again. Repeat until the Dragon
starts. If the unit will not restart, contact Dri-Eaz
Service at 888-867-3235.

Using an external fuel tank 

The internal fuel tank of the Dragon K85 Mobile 
Furnace has a capacity of 9.3 gallons (35 L). 
Depending on the specific conditions and thermostat
settings, the Dragon can operate anywhere from a 
minimum of 8 hours (firing continuously at 0.69 gal/hr) 
up to more than 24 hours (firing intermittently to 
maintain a constant temperature) on a full internal tank 
of fuel. 

If you will be operating the unit unattended for more
than 8 hours, we recommend that you purchase a 
larger DOT-approved external fuel tank to use with the 
external fuel siphon on the Dragon. This will allow you 
to operate the Dragon for longer periods between
refueling. Even though you may not need to refuel with
an external tank, you should continue to physically
check the Dragon at least once a day during operation.

WARNING!

Diesel fuel is flammable and potentially 

explosive. Place external tank on flat, stable surface to 
prevent spills.

NOTICE:

 Always use a clean fuel tank and fuel source

to prevent fuel problems. Cover the opening to prevent
moisture or contaminants from getting into fuel. 

Connecting an external fuel tank 

WARNING!

Diesel fuel is flammable and potentially 

explosive. Always turn off and unplug the Dragon
before switching between internal and external tanks.
Do not smoke while connecting fuel tanks. Keep away
from open flame. 

1.  Disconnect the two fuel lines coming from the 

internal fuel tank. To do this, slide the lock rings
back and pull the adapters apart.

2.  To prevent fuel leakage or damage to the 

adapters, connect the fuel lines together while not
in use. Wipe any excess fuel oil from the adapters. 

3.  Connect the fuel lines from the external fuel 

siphon to the adapters on the Dragon housing. To 
do this, push the male and female adapters
together until the lock rings snap into place.

NOTICE:

 Be sure the lock rings snap securely to 

avoid diesel fuel leakage.

4.  Insert the siphon into the external fuel tank. Feed 

the fuel lines through the plastic cover until the 
siphon rests on the bottom of the tank. 

5. Operate the Dragon as instructed elsewhere in this

manual.

Reconnecting the internal fuel tank 

WARNING!

Diesel fuel is flammable and potentially 

explosive.

NOTICE:

 Always turn off and unplug the 

Dragon before switching between internal and external
tanks. Do not smoke while connecting fuel tanks. Keep 
away from open flame. 

1.  Remove the external fuel siphon from the external

fuel tank. Wipe the siphon and fuel lines clean of 
excess fuel oil.

2.  Disconnect the fuel lines from the external tank.

To do this, slide the lock rings back on the female 
adapters and pull the adapters apart.

3.  To prevent fuel leakage or damage to the external

fuel line adapters, connect the lines together while
not in use. Wipe away any excess fuel oil.

4.  Connect the fuel lines from the internal fuel tank to

the adapters on the Dragon housing. To do this, 
push the male and female adapters together until 
the lock rings snap into place. Note that the male 
and female adapters are arranged so that you will 
always connect the lines properly.

07-00407F  02/2008

9

Copyright 2006 Dri-Eaz Products, Inc. 

Summary of Contents for Dragon K85 Mobile

Page 1: ...damage to the unit It may also void the Dri Eaz warranty Altitude Adjustment NOTICE The Dragon is factory set for use at elevations up to 2000 feet above sea level For use above 2000 feet or for any...

Page 2: ...n mind there are some general principles to keep in mind when using the Dragon You should try to stabilize the temperature of the affected area near the ideal operating temperature of your drying equi...

Page 3: ...ace the unit on a level stable surface Choose an inconspicuous location away from high traffic areas for children and or pets Ensure there is no obstruction in the air intake during the use of the Dra...

Page 4: ...be approximately 90 degrees apart Drill two 1 8 inch holes in the flue 3 Drive a sheet metal screw 8x1 through each hole to secure the flue to the Dragon Secure the flue to the Dragon with sheet meta...

Page 5: ...lable at most hardware stores into the hole in the plywood Secure the duct adapter to the plywood 4 Slip a hose clamp not included over the free end of one of the 30 foot lengths of 8 inch diameter al...

Page 6: ...hole will do 3 Place a TurboDryer Vortex Axial Fan or other airmover so that it forces air out of the affected area to the outdoors through the selected opening The airmover should remove at least 800...

Page 7: ...example with a setpoint of 85 F the Dragon will stop heating when the temperature exceeds 85 F Use the arrows to choose a setpoint Use the arrows to choose a setpoint 3 Press the SET key again to acc...

Page 8: ...ed airflow To help prevent thermal overload you should x Make ducting runs as straight as possible x Keep the ducting free of debris and unobstructed x Keep the air intake grill unobstructed Restartin...

Page 9: ...event moisture or contaminants from getting into fuel Connecting an external fuel tank WARNING Diesel fuel is flammable and potentially explosive Always turn off and unplug the Dragon before switching...

Page 10: ...f you are ventilating spaces adjacent to living areas you must still create a negative pressure in the affected area This will help prevent contaminants from being forced into clean areas See the sect...

Page 11: ...voir during operation To do this set the Dragon up outside and allow to run in HEAT mode for several minutes If the reservoir does not leak proceed to step 9 If the reservoir leaks turn off and unplug...

Page 12: ...ne shut off valve by turning the red knob counter clockwise 9 Before replacing the housing cover check for leaks around the pump cover during operation To do this set up the Dragon outside and allow t...

Page 13: ...em Flame Safety Control Button will illuminate FS Wait one minute and then press the illuminated Flame Safety Control Button Air bubbles in fuel oil line especially on first start up FS Press the Flam...

Page 14: ...ervice center or HVAC specialist Black white exhaust Air intake vents are dirty or obstructed AST Avoid setting up unit where the intake could be blocked or restricted i e tall grass deep snow etc Blo...

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