Dura Heat DFA45 User manual

World Marketing of America, Inc.
12256 William Penn Hwy
Mill Creek, PA 17060
1- 800 - 776 - 9425 (9AM - 4PM EST)
MON.- FRI. ONLY
www.yourheater.com
MODEL:
DFA-45
DFA-70
DFA-125
LISTED
PORTABLE
FORCED AIR HEATERS
“USER’S MANUAL”
Before the first use of this heater, please read this USER’S MANUAL very
carefully. This USER’S MANUAL has been designed to instruct you as to
the proper manner in which to assemble the heater, maintain the heater,
store the heater, and most importantly, how to operate the heater in a safe
and efficient manner. Please keep this manual for future reference.
D
E
S
I
G
N
C
E
R
T
I
F
I
E
D
C US

1
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
DANGER - IMPROPER USE OF THIS HEATER CAN RESULT IN SERIOUS INJURY OR DEATH
FROM BURNS, FIRE, EXPLOSION, ELECTRICAL SHOCK AND/OR CARBON MONOXIDE POISONING.
WARNINGS:
1. RISK OF INDOOR AIR POLLUTION!
•Use this heater only in well ventilated areas. Provide at least a three-square foot (2,800 sq. cm.)
opening of fresh outside air for each 100,000 BTU/hr. of heater rating.
• People with breathing problems should consult a physician before using the heater.
• Carbon monoxide poisoning: Early signs of carbon monoxide poisoning resemble the flu, with
headaches, dizziness and/or nausea. If you have these signs, the heater may not be working properly.
Get fresh air at once! Have the heater serviced. Some people are more affected by carbon monoxide
than others. These include pregnant women, persons with heart or lung disease or anemia, those under the
influence of alcohol, or those at high altitudes.
• Never use this heater in living or sleeping areas.
2. RISK OF BURNS/FIRE/EXPLOSION!
•NEVER use any fuel other than 1-K kerosene in this heater. #1 fuel oil is the only acceptable
substitute.
•NEVER use fuel such as gasoline, benzene, paint thinners or other oil compounds in this heater.
(RISK OF FIRE OR EXPLOSION)
•NEVER use this heater where flammable vapors may be present.
•NEVER refill the heaters fuel tank while heater is operating or is still hot.
• This heater is EXTREMELY HOT while in operation. Keep all combustible materials away from heater.
Minimum Clearances: Outlet: 8 feet (250cm) / Sides, top and rear: 4 feet (125cm)
•NEVER block air inlet (rear) or air outlet (front) of heater.
• NEVER use duct work in front or behind of heater.
•NEVER move or handle heater while still hot.
•NEVER transport heater with fuel in it’s tank.
• When used with an optional thermostat heater may start at any time.
•ALWAYS locate heater on a stable and level surface.
•ALWAYS keep children and animals away from heater.
• Bulk fuel storage should be a minimum of 25 ft. from heaters, torches, portable generators or
other sources of ignition. All fuel storage should be in accordance with federal, state or local
authorities having jurisdiction.
3. RISK OF ELECTRIC SHOCK!
• Use only the electrical power (voltage and frequency) specified on the model plate of the heater.
• Use only a three-prong, grounded outlet and extension cord.
•ALWAYS install the heater so that it is not directly exposed to water spray, rain, dripping water or wind.
•ALWAYS unplug the heater when not in use.
CALIFORNIA RESIDENTS: This heater produces carbon monoxide, which is listed by the State of
California as a reproductive toxin under Proposition 65.
MASSACHUSETTS RESIDENTS: Massachusetts state law prohibits the use of this heater in any
building which is used in whole or in part for human habitation. Use of this heating device in
Massachusetts requires local fire dept. permit (M.E.L.C. 148, Section 10A.)
CANADIAN RESIDENTS: Use of this heater shall be in accordance with authorities having
jurisdiction and CSA Standard B139.
NEW YORK CITY RESIDENTS: For use only at construction sites in accordance with applicable NYC
codes
under NYCFD certificate of approval #5034 and 5037.

NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
ITEM PAGE #
PRECAUTIONS - SAFETY GUIDE 1
1. INTRODUCTION 2
2. FEATURES 2
3. UNPACKING AND ASSEMBLY 4
4. KEROSENE (1-K OR NO. 1 FUEL OIL) 6
5. OVERVIEW OF HEATER DESIGN 7
6. FUELING YOUR HEATER 8
7. OPERATION 8
8. LONG TERM STORAGE OF YOUR HEATER 9
9. MAINTENANCE 10
10. REPLACING FUSE 13
11. TROUBLE SHOOTING GUIDE 14
12. WIRING DIAGRAM 15
13. SPECIFICATIONS 16
14. EXPLODED PARTS DRAWING 17
15. PARTS LIST 18
1. INTRODUCTION
Please read this USER’S MANUAL carefully. It will show you how to assemble, maintain, and operate the
heater safely and efficiently to obtain full benefits from its many built-in features.
2. FEATURES
CONTENTS OF USER’S MANUAL
2
Figure 1. DFA-45 / DFA-70 MODEL
Fuel Gauge
Fan Guard
Handle
Hot Air Outlet
Front Guard
Upper Shell
Lower Shell
Side Cover
Power/Reset Switch
Lamp
Fuel Cap
Fuel Tank
Power Cord

3
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
Figure 2. DFA-125 MODEL
Drain Plug
Fuel Gauge
Lower Shell
Hot Air Outlet
Power/Reset
Switch
Power Cord
Fan Guard
Upper Shell
Handle
Fuel Cap
Lamp
Side Cover
Fuel Tank

4
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
DFA-45 DFA-70 DFA-125
Wheel Support Frame No No Yes
Wheels No No Yes
Handle Yes Yes Yes
Axle No No Yes
Hardware Kit:HW-KFA1000 Yes Yes No
Hardware Kit:HW-KFA1010 No No Yes
Handle
Wheel Support Frame
Axle
Figure 3. DFA-45 / DFA-70 MODEL
Figure 4. DFA-125 MODEL
Handle Screws
Hardware Kit Part No : HW-KFA1000
3. UNPACKING AND ASSEMBLY
1. REMOVE THE HEATER AND ALL PACKING MATERIALS FROM THE BOX. (Fig. 3 and 4)
NOTE : Save the shipping carton and packing materials for future storage.
Wheels
Screws L&S Flange Screws Flat Washers
Nuts
Split pins
Hardware Kit Part No : HW-KFA1010

5
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
2. ASSEMBLY
A. For DFA-45/DFA-70 Models Only (Figure 5)
Tools Required
• Medium Phillips Screwdriver
1. Lift front guard for arrow direction and make
sure that guard’s wedged portion fits into the slit
hole in the upper shell and faces the hot air outlet.
2. Align the holes in the upper shell with the 2
mounting holes on the handle as shown in Figure 5.
3. Insert screws into the holes in the handle and tighten
each screw.
B. For DFA-125 model only (Figure 6)
These models are furnished with wheels and handles. Wheels, handles, and the mounting
hardware are found in the shipping carton.
Tools Required
• Medium Phillips Screwdriver
• 5/16 M5) Open or Adjustable Wrench, Use Us(Inch) Screws Nut.
• Long Nose Pliers
1. Slide axle through wheel support frame. Install wheels on axle.
NOTE: When installing wheels, point extended hub of wheels toward
wheel support frame (see Figure 6)
2. Place flat washers and split pin on axle ends and bend split pins with long
nose pliers to secure.
3. Place heater on wheel support frame. Make sure air inlet end (rear) of heater is
over wheels. Align the holes on fuel tank flange with holes on wheel support frame.
4. Position the handle on top of fuel tank flange. Insert screws through handles, fuel
tank flange, and wheel support frames as shown in Figure 6 and attach nut finger
tight after each screw is inserted.
5. After all screws are inserted, tighten nuts firmly.
CAUTION: DO NOT OPERATE heater without support frame assembled to tank.
Figure 5

6
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
4. KEROSENE (1-K)
For optimal performance of this heater, it is strongly suggested that 1-K kerosene be used. 1-K kerosene
has been refined to virtually eliminate contaminants, such as sulpher. Which can cause a rotten egg odor
during the operation of the heater. However, #1 or #2 fuel oil (diesel fuel) may also be used if 1-K kerosene
is not available. Be advised that these fuels do not burn as clean as 1-K kerosene, and care should be taken
to provide more fresh air ventilation to accomodate any added contaminants that may be added to the
heated space.
KEROSENE SHOULD ONLY BE STORED IN A BLUE CONTAINER THAT IS CLEARLY
MARKED “KEROSENE”. NEVER STORE KEROSENE IN A RED CONTAINER.
Red containers are associated with gasoline.
NEVER store kerosene in the living space. Kerosene should be stored in a well ventilated place outside the
living area.
NEVER use any fuel other than 1-K kerosene (#1 fuel oil is an acceptable substitute.)
NEVER use fuel such as gasoline, benzene, alcohol, white gas, camp stove fuel, paint thinners, or other oil
compounds in this heater. These are volatile fuels that can cause an explosion or uncontrolled
flames.
NEVER store kerosene in direct sunlight or near a source of heat.
NEVER use kerosene that has been stored from one season to the next. Kerosene deteriorates over time.
“OLD KEROSENE” WILL NOT BURN PROPERLY IN THIS HEATER.
Figure 6. Wheel and Handle Assembly, DFA-125 MODEL
NOTE : Heater should be inspected before each use, and at least annually by a qualitied service person.
Hot Air Outlet
Fuel Tank Flange
Wheel Support
Nut
Split Pin
Wheel
Flat Washer
Screw-S
Screw-L
Flange Screw
Handle
Extended Hub

7
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
5. OVERVIEW OF HEATERS DESIGN
Fuel System: This heater is equipped with an
electric air pump that forces air through the air line
connected to the fuel intake and then through a
nozzle in the burner head. When the air passes in
front of the fuel intake it causes fuel to rise from the tank and into the burner nozzle. This fuel and air
mixture is then sprayed into the combustion chamber in a fine mist.
“Sure Fire Ignition”: The electronic ignitor sends voltage to a specially designed spark plug.
The spark plug ignites the fuel and air mixture described above.
The Air System: The heavy duty motor turns a fan that forces air into and around the
combustion chamber. Here the air is heated and then forced out the front of the heater.
The Safety System:
A. Temperature Limit Control: This heater is equipped with a Temperature Limit Control designed
to turn off the heater should the internal temperature rise to an
unsafe level. If this device activates and turns your heater off it
may require service.
B. Electrical System Protection: This heaters electrical system is protected by a fuse mounted to the
PCB Assembly that protects it and other electrical components from
damage. If your heater fails to operate check this fuse first and
replace as needed.
C. Flame-Out Sensor: Utilizes a photocell to monitor the flame in burn chamber during
normal operation. It will cause the heater to shut-off should the
burner flame extinguish.
Once the temperature falls below the reset temperature you will be able to start your heater.
Internal Shut-Off Temp. Reset Temperature
MODELS Plus/Minus 10 Degrees Plus/Minus 10 Degrees
DFA-125 230˚F/110˚C 194˚F/90˚C
DFA-45/DFA-70 176˚F/80˚C 122˚F/50˚C
FUSE TYPE: All Models 125 volt / 8 amps

8
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
6. FUELING YOUR HEATER
NEVER FILL THE HEATER FUEL TANK IN THE LIVING SPACE: FILL THE TANK
OUTDOORS.
DO NOT OVERFILL YOUR HEATER AND BE SURE HEATER IS LEVELED.
IMPORTANT NOTICE REGARDING FIRST IGNITION OF HEATER:
The first time you light the heater, it should be done outdoors. This allows the oils, etc. used in
manufacturing the heater to burn off outside.
WARNING!!: NEVER REFILL HEATER FUEL TANK WHEN HEATER IS OPERATING
OR STILL HOT.
7. OPERATION
A.) VENTILATION
RISK OF INDOOR AIR POLLUTION/USE HEATER ONLY IN WELL VENTILATED AREAS.
Provide a fresh air opening of at least three square feet (2800 sq. cm) for each 100,000 BTU/Hr.
rating. Provide extra fresh air if more heaters are being used.
Example: A DFA-125 heater requires one of the following:
• a two-car garage door raised six inches (15.24 cm)
• a single-car garage door raised nine inches (22.86 cm)
• two, thirty-inch (76.20 cm) windows raised twelve inches (30.48 cm)
B.) OPERATION
TO START HEATER
1. Fill fuel tank with kerosene or No. 1 fuel oil.
2. Attach fuel cap.
3. Plug power cord of heater into three-prong, grounded extension cord. Extension cord must
be at least six feet long.
Extension Cord Wire Size Requirements
• 6 to 10 feet (1.8 to 3 meters) long, use 18 AWG conductor.
• 11 to 100 feet (3.4 to 30.5 meters) long, use 16 AWG conductor.
• 101 to 200 feet (30.8 to 61 meters) long, use 14 AWG conductor.
4. Push power switch to “on” position, power indicator lamp will light and heater will start.
Lamp
Power/Reset
Switch
NOTICE: The major electrical components of this heater are protected by a safety fuse mounted to
the PCB board. If your heater fails to start, check this fuse first and replace as necessary.
You should also check your power source to insure that proper voltage and frequency are
being supplied to the heater.
Figure 7. DFA-45/70/125 MODELS

9
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
TO STOP HEATER
1. Turn switch to “OFF” and unplug power cord.
TO RESTART HEATER
1.Wait 10 seconds after stopping heater.
2. Repeat steps under to start heater.
8. LONG TERM STORAGE OF YOUR HEATER
FUEL TANK DRAIN
1. Drain fuel tank through fuel cap opening. (For DFA-45/70 Models Only)
2. Remove drain plug from rear bottom side of fuel tank by pulling plug grip downward and drain.
(For DFA-125 Model Only. See Figure 8)
3. Using a small amount of kerosene, swirl and rinse the inside of the tank.
NEVER mix water with the kerosene as it will cause rust inside the tank.
Pour the kerosene out making sure that you remove it all.
IMPORTANT : Do not store kerosene over summer months for use during next heating season.
Using old fuel could damage heater.
4. Reinstall fuel cap. Properly dispose of old and dirty fuel. (For DFA-45/65 Models Only)
5. Reinstall Drain Plug as follows. (For DFA-125 Model Only. See Figure 9)
- Insert plug’s seal head fully into drain hole so that flange is flush to tank’s bottom.
- Insert seal cap fully into head hole so that cap flange is flush to head flange.
IMPORTANT : Reinstall plug fully into hole in tank, Otherwise it will not seal completely.
6. Store heater in dry well ventilated area. Make sure storage place is free of dust and corrosive fumes.
7. Store the heater in the original box with the original packing material and keep the USER’S MANUAL
with the heater.
Figure 8 Figure 9
Drain Plug
Plug Grip
Drain Hole
Seal Head
Head Hole
Seal Cap
Cap Flange
Head Flange
Fuel Tank
Head Flange
Rear bottom side
of Fuel Tank

10
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
A.) FUEL TANK
FLUSH EVERY 200 HOURS OF OPERATION
OR AS NEEDED (SEE STORAGE, PAGE 9)
B.) AIR INTAKE FILTER
WASH AND DRY WITH SOAP AND WATER
EVERY 500 HOURS OF OPERATION OR AS
NEEDED.
- Remove screws along each side of heater using
medium phillips screwdriver.
- Lift upper shell off.
- Remove fan guard.
- Wash or replace air intake filter.
- Reinstall fan guard and upper shell.
C.) AIR OUTPUT FILTER, LINT FILTER
REPLACE EVERY 500 HOURS OF
OPERATION OR ONCE A YEAR.
- Remove upper shell and fan guard (See Air Intake
Filter).
- Remove end filter cover screws using medium
phillips screwdriver.
- Remove end filter cover.
- Replace air output and lint filter.
- Reinstall end filter cover.
- Reinstall fan guard and upper shell.
D.) FAN BLADES
CLEAN EVERY SEASON OR AS NEEDED.
- Remove upper shell (See Air Intake Filter).
- Use M6 allen wrench to loosen set screw
which holds fan blade to motor shaft.
- Slip fan blade off motor shaft.
- Clean fan blade using a soft cloth moistened with
kerosene or solvent.
- Dry fan blade thoroughly.
- Reinstall fan blade on motor shaft. Place fan
blade hub flush with end of motor shaft.
- Place set screw on flat of shaft. Tighten set screw
firmly (40-50 inch-pounds/4.5-5.6 N-m).
- Reinstall upper shell.
Upper Shell
Fan Guard
Air Intake Filter
Flush
Motor Shaft
Fan Blade
Lint Filter
Intake Filter
Air Output Filter
9. MAINTENANCE
WARNING!! : NEVER SERVICE HEATER WHILE IT IS PLUGGED IN OR
WHILE HOT!
USE ORIGINAL EQUIPMENT REPLACEMENT PARTS. Use of third party or
other alternate components will void warranty and may cause unsafe operating
conditions.
Figure 10
Figure 11
Figure 12
End filter cover
Set screw
Motor Shaft

11
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
Side cover
circuit
board
Photocell
wires
Photocell
Install Photocell
1)Incorrect
2)Correct
Photocell
lens
E.) NOZZLE
REMOVE DIRT IN NOZZLE AS NEEDED
(SEE PAGE 13).
- Remove upper shell (See page 9).
- Remove fan blade (See page 10).
- Remove fuel and air line hoses from burner head.
- Remove ignitor wire from spark plug.
- Remove three screws using medium phillips
screwdriver and remove burner head from combustion
chamber.
- Remove spark plug from burner head using medium
phillips screwdriver.
- Carefully remove nozzle from burner head using 5/8”
socket wrench.
- Blow compressed air through face of nozzle. (this will
remove any dirty in nozzle)
- Reinstall nozzle into burner head and tighten firmly.
(80~110 inch-pounds)
- Install spark plug in burner head.
- Attach burner head to combustion chamber.
- Attach ignitor wire to spark plug.
- Attach fuel and air line hoses to burner head.
- Reinstall fan blade and upper shell.
F.) SPARK PLUG
CLEAN AND REGAP EVERY 600 HOURS
OPERATION OR REPLACE AS NEEDED.
- Remove upper shell (See page 10).
- Remove fan (See page 10).
- Remove ignitor wire from spark plug.
- Remove spark plug from burner head using medium
phillips screwdriver.
- Clean and regap spark plug electrodes to 3.5mm gap.
(0.138 )
- Install spark plug in burner head.
- Attach ignitor wire to spark plug.
- Reinstall fan and upper shell.
G.) PHOTOCELL
CLEAN PHOTOCELL ANNUALLY OR AS NEEDED.
- Remove upper shell (See page 10).
- Remove fan (See page 10).
- Remove photocell from it’s mounting.
Clean photocell lens with cotton swab.
TO REPLACE : Remove side cover near on/off switch.
- Disconnect wires from circuit board and remove
photocell.
- Install new photocell and attach wires to circuit board.
- Replace fan and upper shell.
Fuel Line Hose
Air Line Hose
Fuel Line Fitting
Burner Head
Nozzle
Nozzle Face
Air Line Fitting
Figure 13
Spark Plug
Spark Plug
Ignitor Wire
Burner Head
Screw
Combustion Chamber
Burner Head
Gap
Spark Plug
Ignitor
Wire
Figure 14
Figure 15

12
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
NOTE : USE ONLY ORIGINAL EQUIPMENT REPLACEMENT PARTS.
Use of alternate or third party components will void any warranty and may cause unsafe
operation condition.
Figure 16
H.) FUEL FILTER
CLEAN OR REPLACE TWICE A HEATING
SEASON OR AS NEEDED.
- Remove side cover screws using medium phillips
screwdriver.
- Remove side cover.
- Pull fuel line off fuel filter neck.
- Turn fuel filter 90˚ to counterclockwise and pull to
remove(DFA-45/70 models).
- Turn fuel filter 90˚ to clockwise and pull to
remove(DFA-125 model).
- Wash fuel filter with clean fuel and replace in tank.
- Attach fuel line to fuel filter neck.
- Reinstall side cover.
I.) PUMP PRESSURE ADJUSTMENT
- Remove pressure gauge plug from end filter cover.
- Install accessory pressure gauge.
- Start heater (See Operation, page 8)
- Adjust pressure (Using a flat blade screwdriver)
Turn relief valve to right to increase pressure.
Turn relief valve to left to decrease pressure.
Set pump pressure as noted below correct for
pressure for each model.
- Stop heater (See Operation, page 8)
- Remove pressure gauge. Replace pressure gauge
plug in end filter cover.
Pressure
Gauge Plug
Side Cover
Fuel Filter
Fuel Line
Pressure Gauge
Relief Valve
MODEL PUMP PRESSURE
DFA-45 2.8 psi
DFA-70 3.7 psi
DFA-125 5.5 psi

13
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
10. REPLACING FUSE
NOTICE : This heater is fuse protected.
If your heater fails to ignite, DO NOT RETURN YOUR HEATER TO THE
STORE.
Please follow the simple instruction below to inspect and change the fuse.
WARNING : SHOCK HAZARD
To prevent personal injury, unplug the power cord before replacing fuse.
1. Unplug heater.
2. Remove side cover screws using medium phillips screw driver.
3. Remove fuse from fuse holder.(See Figure)
4. Replace fuse with enclosed fuse.
WARNING : FIRE HAZARD
To avoid fire, Do not substitute with a higher or lower current rating.
5. Replace side cover.
NOTE : Specified fuse rating : AC 125/8A
PROCEDURE FOR REPLACING FUSE
FUSE
FUSE HOLDER
Side cover

14
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
Heater ignites but MAIN PCB 1. Wrong pump pressure 1. See Pump Pressure Adjustment,
assembly shuts heater off after page 12.
a short period of time. 2. Dirty Air Output, Air Intake 2. See Air Output, Air intake
(Lamp is flickering) and Lint Filter and Lint Filters, page 10.
3. Dirty Fuel Filter 3. See Fuel Filter, page 12.
4. Dirt in Nozzle 4. See Nozzle, page 11.
5. Dirty Photocell Lens 5. Clean Photocell Lens, page 11.
6. Photocell Assembly not 6. Make sure photocell boot is
properly installed. (Not properly seated in bracket,
seeing the flame) page 11.
7. Bad electrical connection 7. Check electrical components
between photocell and MAIN See wiring diagram, page 14
PCB assembly
8. Defective photocell 8. Replace photocell, page 11
Heater will not ignite but 1. No fuel in tank 1. Fill tank with kerosene
motor runs for a short period 2. Wrong pump pressure 2. See Pump Pressure Adjustment,
of time. (Lamp is flickering) page 12.
3. Carbon deposits on spark 3. See Spark Plug, page 11.
plug and/or improper gap
4. Dirty fuel filter 4. See Fuel Filter, page 12.
5. Dirt in nozzle 5. See Nozzle, page 11.
6. Water in fuel tank 6. Flush fuel tank with clean
kerosene, page 9.
7. Bad electrical connection 7. Check electrical connections,
between ignitor and MAIN See wiring diagram, page 14.
PCB assembly
8. Ignitor wire is not attached to 8. Attach ignitor wire to spark
spark plug plug. See Spark Plug, page 11.
9. Defective ignitor 9. Replace ignitor.
Fan does not turn when heater 1. Bad electrical connection 1. Check electrical connections,
is plugged in and power switch between motor and MAIN See Wiring Diagram, page 15.
was in the “ON” position PCB assembly
(Lamp is on or flickering)
1. Temperature limit safety 1. Turn power switch to “OFF”
device is overheated and allow to cool (about 10 min.).
Then turn power switch to
Heater will not turn-on “ON” position.
(Lamp is off) 2. No electrical power 2. Check to insure heater cord and
extension cord are plugged in.
Check power supply.
3. Blown fuse 3. Replace safety fuse in PCB board,
page13.
4. Bad electrical connection between 4. Check electrical connections.
temperature limit safety device See Wiring Diagram, page 15.
and PCB board
TROUBLE POSSIBLE CAUSE CORRECTIVE ACTION
11. TROUBLE SHOOTING GUIDE

15
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
12. WIRING DIAGRAM
A) WIRING DIAGRAM (DFA-45 / DFA-70)
B) WIRING DIAGRAM (DFA-125)

17
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
14. EXPLODED PARTS DRAWING
NOTE : SPECIFY MODEL NUMBER AND PART NUMBER WHEN ORDERING PARTS.
15-5
15-4
Burner Head Assembly
15-3
15-6
15-1
15-2
1
23
3
18
20
7
2
4
6
22-1
22-2
22-3
12
10
12
11
14 15
9
16
17
24
25
11
19
5
22
21
1-1
8
13
16-1
16-2 16-7 16-13
16-1216-11
16-10
16-4
16-9
16-3
16-15
16-14
16-8
16-5
Motor Pump Assembly
16-6

18
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
KEY NO. DESCRIPTION PART NO.
DFA-45 DFA-70 DFA-125
1 Fuel Tank Assembly 280-1004-02 280-1004-02 280-1004-01
1-1 Drain Plug - - 3234-0059-00
2 Fuel Gauge 282-1001-01 282-1001-01 282-1001-00
3 Fuel Filter Assembly 287-4000-20 287-4000-20 287-4000-21
4 Fuel Cap 282-2000-90 282-2000-90 282-2000-90
5 Power Cord 140-9000-013 140-9000-013 140-9000-0133
6 Power Switch 110-9400-001 110-9400-001 110-9400-001
7 Display P.C.B. Assembly 160-9200-072 160-9200-072 160-9200-072
8 Lower Shell 3111-0209-00 3111-0209-00 3111-0210-00
9 Air Line 578-5100-55 578-5100-55 287-5100-53
10 Temperature Limit Control 154-9000-008 154-9000-008 154-9000-007
11 Combustion Chamber 2152-0064-00 2152-0042-00 2152-0045-00
12 Photocell Bracket 285-4104-91 285-4104-90 285-4104-90
13 Fuel Line 287-5100-50 287-5100-50 287-5100-52
14 Photocell Assembly SP-KFA1007 SP-KFA1007 SP-KFA1007
15 Burner Head Assembly See below See below See below
15-1 Nozzle SP-KFA1026 SP-KFA1027 SP-KFA1003
15-2 Nozzle Seal Washer 285-8109-90 285-8109-90 285-8109-90
15-3 Nozzle Seal Spring 285-8110-00 285-8110-00 285-8110-00
15-4 Burner Head 284-7112-00 3531-0015-00 284-7112-11
15-5 Spark Plug SP-KFA1008 SP-KFA1008 SP-KFA1009
15-6 Nipple 3541-0039-00 3541-0039-00 3541-0020-00
16 Motor and Pump Assembly See below See below See below
16-1 Motor 111-9000-985 111-9000-985 111-9000-984
16-2 Pump Body 288-3100-00 288-3100-00 288-3100-00
16-3 Rotor Kit SP-KFA1000 SP-KFA1000 SP-KFA1000
16-4 Blade See SP-KFA1000 See SP-KFA1000 See SP-KFA1000
16-5 End Pump Cover 288-3100-10 288-3100-10 288-3100-10
16-6 Filter Kit SP-KFA1005 SP-KFA1005 SP-KFA1005
16-7 Lint Filter See SP-KFA1005 See SP-KFA1005 See SP-KFA1005
16-8 Output Filter See SP-KFA1005 See SP-KFA1005 See SP-KFA1005
16-9 End Filter Cover 288-3100-40 288-3100-40 288-3100-40
16-10 Plug/Pump Adj. Kit SP-KFA1006 SP-KFA1006 SP-KFA1006
16-11 Ball See SP-KFA1006 See SP-KFA1006 See SP-KFA1006
16-12 Spring See SP-KFA1006 See SP-KFA1006 See SP-KFA1006
16-13 Adj. Screw See SP-KFA1006 See SP-KFA1006 See SP-KFA1006
16-14 Nipple 3541-0020-00 3541-0020-00 3541-0020-00
16-15 Capacitor 3820-0142-00 3820-0142-00 3820-0143-00
15. PARTS LIST

19
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
KEY NO. DESCRIPTION PART NO.
DFA-45 DFA-70 DFA-125
17 Fan Assembly 283-1000-73 283-1000-72 283-1000-71
18 Ignitor 158-9100-001 158-9100-001 158-9100-007
19 Side Cover R 280-5102-922 280-5102-902 280-5103-012
20 Side Cover L 280-5102-915 280-5102-915 280-5103-022
21 Fan Guard 3221-0050-00 3221-0050-00 3221-0051-00
22 Main P.C.B. Assembly 215A-0019-00 215A-0019-00 215A-0019-00
22-1 Fuse 3920-0025-00 3920-0025-00 3920-0025-00
22-2 P.C.B. Supportor(R) 3221-0030-00 3221-0030-00 3221-0030-00
22-3 P.C.B. Supportor(L) 3221-0031-00 3221-0031-00 3221-0031-00
23 Clip Nut 285-4105-00 285-4105-00 285-4105-00
24 Upper Shell 3111-0213-00 3111-0213-00 3111-0214-00
25 Front Guard 3561-0066-00 3561-0066-00 3561-0066-00
FOR TECHNICAL ASSISTANCE SEE YOUR LOCAL RETAILER OR
CONTACT US AT:
Phone: [phone] Tech.: 814-643-2299
Fax: [phone]
Email: [e-mail]
or visit our website at www.yourheater.com
15. PARTS LIST

20
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
2
1
15. PARTS LIST (WHEELS AND HANDLE)
1) DFA-45/70 MODELS
PART NO.
KEY NO. DESCRIPTION DFA-45 DFA-70 QTY
1 Handle 3231-0073-00 3231-0073-00 1
2 Hardware Kit HW-KFA1000 HW-KFA1000 1
KEY NO. DESCRIPTION PART NO.
DFA-125 QTY.
1 Handle 3551-0023-00 1
2 Wheel Support Frame 3551-0014-00 1
3 Axle 3541-0026-00 1
4 Wheel 2156-0003-00 2
5 Hardware Kit HW-KFA1010 1
5-1 Screw(S) - 2
5-2 Screw(L) - 2
5-3 Flange Screw - 4
5-4 Nut - 8
5-5 Split Pin - 2
5-6 Flat Washer - 2
2) DFA-125 MODEL
3
5-4
5-5
4
5-6
2
5-3
5-2
5-1
1