Note:
The most common cause of thermal
overload is restricted airflow. To help prevent
thermal overload, you should
Make ducting runs as straight and short as
possible
Keep the ducting unobstructed and free of debris
Keep the air intake grill unobstructed
MAINTENANCE
Tools required
10 mm wrench or socket and handle
Flat-blade screwdriver
7/8 in. wrench for drain plug
NOTICE: Always turn unit off and unplug before
performing any maintenance.
D E S C R I P T I O N
1. Clean the fuel tank.
2. Replace the fuel filter.
3. Service the burner, heat
exchanger, and combustion chamber.
4. Clean the housing
1. Clean the fuel tank.
a. Place an appropriate container beneath the drain
plug to catch any fuel.
b. Remove the drain plug with a wrench.
c. Allow the tank to drain completely.
d. Replace the drain plug.
e. Dispose of waste fuel in accordance with local
regulations.
WARNING! Diesel fuel is flammable and potentially
explosive. Always turn off and unplug the Dragon
before draining the fuel tank. Keep away from
open flame.
2. Replace the fuel filter
Replace the fuel filter once a year. Loosen set screw
and then unscrew the filter to remove it. Replacement
fuel filters may be purchased from most automotive
supply retailers. Ask for Wix
equivalent. Do not overtighten the new filter. Have
rags or paper towels on hand to clean up any spills,
and dispose of the filter and waste fuel according to
local regulations.
49-120D F535
I N T E R V A L
Yearly
As needed/Yearly
Yearly.
HVAC technician only.
As needed/Yearly
®
part. no. 24104 or
3. Service the burner, heat exchanger and
combustion chamber
These components should be inspected and serviced
once a year by a qualified HVAC technician. Contact
your local distributor for the location of a service center
near you.
4. Clean the housing
Use a cleaner with a degreasing agent such as
Unsmoke Degrease-All to clean the housing as
needed.
Service
For parts and service contact your local distributor.
Copies of the Dragon manual and related information
are available at www.Dri-Eaz.com. Go to
warranty.Dri-Eaz.com to register your purchase.
Accessories Included
1 25 ft. (7.6 m) section of 12 in. (30 cm) high-
temperature ducting.
1 Hinged buckle ducting clamp
1 50 ft. (15.3 m) thermostat sensor cable with sensor.
1 Exhaust stack and rain cap
1 Owner's Manual
SPECIFICATIONS
Model
Dimensions (H × W × L)
Weight (empty)
Weight (full)
Power
Net heat output
Airflow
Sound level (avg.)
Static pressure (max.)
Fuel tank capacity (max.)
Fuel type
Fuel consumption rate
Fuel pump pressure
A complete wiring diagram is available at
Dragon3600.Drieaz.com. Specifications are subject to change
without notice. Some values may be approximate.
6
Dragon 3600 Portable Heater
F535
42.5 × 23.7 × 65.1 in.
1.1 × 0.6 × 1.7 m
250 lbs. | 113.4 kg
495 lbs. | 224.5 kg
9.2 amps, 115 volt, 60 Hz
120,000 BTU/hr | 35.2 kWh
680 CFM with weather shield
780 CFM without weather shield
80.2 dB with weather shield
82.5 dB without weather shield
0.50 in. H
O
2
32 gal. | 121 L
Diesel
.8 gal./hr | 3.1 L/hr
140 psi | 965.3 kPa
Dri-Eaz Products, Inc.