Dyna-Glo KFA50H Manual

CONSUMER : Retain this manual for future reference.
Questions, problems, missing parts? Before returning to your retailer, call our customer
service department at 877-447-4768 8:30 a.m. - 4:30 pm CST, Monday - Friday.
or email us at [email protected]
INDOOR/OUTDOOR PRODUCTS
KEROSENE PORTABLE
FORCED AIR HEATERS
“USER’S MANUAL AND
OPERATING INSTRUCTIONS”
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, maintain, store, and most
importantly, how to operate the heater in a safe and efficient manner.
Please keep this manual for future reference.
COMPLIES WITH UL733 AND
ANSI A10.10-1998
CAN/CSA/B140.0-03 AND CSA
B140.8-1967
MODEL : KFA50H, KFA75H, KFA125H, KFA210H2

1
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
DANGER:IMPROPER USEOF THIS HEATER CAN RESULT IN SERIOUS INJURY OR DEATH
FROM BURNS, FIRE, EXPLOSION, ELECTRICALSHOCK AND/OR CARBON
MONOXIDEPOISONING.
WARNINGS:
1. RISK OF INDOOR AIR POLLUTION!
•Usethis 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 beforeusing 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 notbeworking properly.
Get fresh air at once!Have the heater serviced. Some people are more affected by carbon monoxide than others.
These includepregnant women, persons with heart or lung disease or anemia, thoseunder the influence of alcohol, or
those at high altitudes.
•Never use this heater in living or sleeping areas.
2. RISK OFBURNS/FIRE/EXPLOSION!
•NEVER use any fuel other than1-K kerosene, #1 disel/fuel oil inthis heater.
•NEVER use fuel suchasgasoline, benzene, paint thinners or otheroil compounds in this heater.
(RISK OF FIRE OR EXPLOSION)
•NEVER use thisheater where flammable vapors may be present.
•NEVER refill the heaters fuel tank while heater is operating or is still hot.
Minimum Clearances: Outlet: 8 feet (250cm) /Sides, top and rear: 4 feet (125cm)
•NEVER block airinlet (rear) or air outlet (front) of heater.
•NEVER use duct work in front orbehind of heater.
•NEVER move, handle, service a hot, operating or plugged in heater.
•NEVER transport heater with fuel init’s tank.
•When used withanoptional thermostat or if equipped with a thermostat heater may start at any time.
•ALWAYSlocate heaterona stable and level surface.
•ALWAYSkeep children andanimalsaway 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.
•ALWAYSinstall the heater so that it is not directlyexposed to water spray, rain, dripping water or wind.
•ALWAYSunplug the heater when not in use.
PROPOSITION 65 WARNING: Fuels used in gas, wood-burning or oil fired appliances, and the
products of combustion of such fuels, contain chemicals known to the State of California to cause cancer,
birth defects and other reproductive harm.
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.
CAUTION :Hot while in operation. Do not touch. Keep children,
clothing and combustibles away from heater.

2
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
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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
Figure 1. KFA50H / KFA75H MODELS
Fan Guard
Cord Wrap(75H Model Only)
(75H Model Only)
Pressure Gauge
Fuel Gauge
Fuel Cap
Front Guard
Hot Air Outlet
Lower Shell
Fuel Tank
Side Cover
Lamp
Thermostot Knob
(75H Model Only)
(75H Model Only)
LED Power/Reset Switch
Power Cord
(Piggy Back,75H Model Only)
Upper Shell
Handle
PAGE #
1
2
2
4
6
7
8
8
9
01
41
51
61
71
18&21
19,20&22,23

3
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
Figure 2. KFA125H MODEL
Figure 3. KFA210H2 MODEL
10” Flat Free Wheel
Electric Outlet
Front Handle
Upper Shell Rear Handle
Cord Wrap
Pressure Gauge
Fan Guard
Fuel Drain Bolt
Power Cord
BTU Control Switch
Hot Air Outlet
Shell Lower
Fuel Gauge
Fuel Cap
Side Cover
Lamp
Thermostat Knob
Room Temp. Display
LED Power/Reset Switch
Power Cord
(Piggy Back)
Rear Handle
Cord Wrap
Pressure Gauge
Fan Guard
Fuel Drain Bolt
Front Handle
Upper Shell
Hot Air Outlet
Shell Lower
Fuel Gauge
Fuel Cap
Side Cover
Lamp
Thermostat Knob
Room Temp. Display
LED Power/Reset Switch
10” Flat Free Wheel

4
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
Figure 5. KFA125H/KFA210H2 MODELS
Handle Cord Wraps
(KFA75H Model Only) Hardware Kit
HW-KFA1001
3. UNPACKING AND ASSEMBLY
1. REMOVE THE HEATER AND ALL PACKING MATERIALS FROM THE BOX. (Fig. 4 and 5)
NOTE : Save the shipping carton and packing materials for future storage.
Figure 4. KFA50H / KFA75H MODELS
Wheel Support Fram
Threaded Axle
Rear Handle
Handle
Cord Wrap
e No
No
No
No
No Yes Yes
Wheel No No Yes Yes
No Yes Yes
No Yes Yes
Yes Yes Yes
Front Handle No No Yes
Yes
Yes
Yes
Hardware kit : HW-KFA1001 Yes No No
Yes No No
Hardware kit : HW-KFA1016 No No Yes Yes
Front Handle
Wheel Support Frame
Rear Handle
Threaded Axle
Wheels
(10” Flat Free) Cord Wraps
Screws Flange Screws
Nuts Cap Nuts S Cap Nuts LBushings
Hardware Kit : HW-KFA1016
KFA50H KFA75H KFA125H KFA210H2

5
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
2. ASSEMBLY
For KFA50H/75H Models only
Tools Required
• Medium Phillips Screwdriver.
1. Assembling Handle & Cord Wrap
1) Lift front guard for arrow direction and make
sure that guard’s wedged portion fits into the slit
hole on the upper housing.
2) Align the holes in the upper housing with ttwo
mounting holes on the handle as shown in Figure6.
3) Secure handel with Screws with provided.
4) Insert card wrap into the rectangle holes on the
supportor and align the hole on the cord wrap with
the mounting hole on the side cover as shown in
Figure 6. (KFA75H Model only)
5) Secure cord wrap with Screws with provided.
For KFA125H/210H2 Models only
Tools Required
• Medium Phillips Screwdriver.
• 3/4 inch socket or adjustable wrench
1. Assembling Handle & Wheel and Cord Wrap
1) Slide threaded axle through the rear section of the wheel support frane.
2) Slide one axle bushing on to each side of the axle. Slide one wheel on to each side of the axle.
Attach one cap nut on to each side of the threaded axle and tighten well.
3) Place heater on wheel support frame. Align the holes on fuel tank flange with holes on wheel support frame.
4) Position the Handles on top of fuel tank flange.
Insert screws through handles, fuel tank flange and wheel support frames as shown in Figure 8 and
attach nut finger tight after each screw is inserted.
5) Align the hole on the handles with the mounting hole on the Cord Wrap.
Insert Screws through Cord Wrap, handles and attach nut finger tight after each screw is inserted.
6) After all screws are inserted, tighten nuts firmly.
Figure 6. Assembling Handle & Cord Wrap
Handle Screw Frong Guard
Slit Hole
Cord Wrap
Screw
Side Cover
Suppotor
Wedged Portion

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 diesel/fuel oil 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 diesel and #1 oil are acceptable substitutes)
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 7. Assembling Handle, Wheel and Cord wrap
CAUTION : DO NOT OPERATE heater without support frame assembled to tank.
NOTE : Heater should be inspected before each use, and at least annually by a qualitied service person.
Hot Air Outlet
Fuel Tank Flange
Nut
Wheel Support Frame
Wheel
Cap Nut L
Front Handle
Screw
Cap Nut S
Rear Handle
Cord Wrap
Flange Screw
Threaded Axle
Wheel Bushing
Air Inlet

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.
Once the temperature falls below the reset temperature you will be able to start your heater.
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.
7
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
Internal Shut-Off Temp. Reset Temperature
MODELS Plus/Minus 10 Degrees Plus/Minus 10 Degrees
KFA50H/75H 176˚F/80˚C122˚F/50˚C
KFA125H 230˚F/110˚C194˚F/90˚C
KFA210H2 194˚F/90˚C140˚F/60˚C
FUSE TYPE: All Models 125 volt / 8 amps

6. FUELING YOUR HEATER
NEVER FILL THE HEATER FUEL TANKIN 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 TANKWHEN HEATER IS OPERATINGOR 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 (2,800 sq. cm) for each 100,000 BTU/Hr.
rating. Provide extra fresh air if more heaters are being used.
Example : A KFA210H2 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 fifteen inches (38.1 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 100 feet (1.8 to 30.5 meters) long, use 16 AWG conductor.
• 101 to 200 feet (30.8 to 61 meters) long, use 14 AWG conductor.
4. Turn “THERMOSTAT CONTROL Knob” to desired setting (Setting range : 40˚F ~ 110˚F)
(KFA75H/125H/210H2 Models Only)
5. Push “BTU control Switch” to desired level “High or LOW” (KFA210H2 Model only, See Figure 8).
6. Push Power Switch to “ON” position, Power lndicator Lamp will light and heater will start.
If heater does not start, the thermostat setting may be too low, turn “thermostat Control Knob” to
higher position to start heater. If heater still does not start, turn power switch to “OFF” and then to
“ON” position. If heater still does not start, see Troubleshootiong Guide on page15.
8
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
Figure 8. Controls for All Models
LED Power
Switch
KFA50H/75H Models KFA125H/210H2 Models
Room Temp. Display
LED Power
Switch
Thermostat
Control Knob
(75H Model Only)
Thermostat
Control Knob
Lamp Lamp
BTU Control Switch BTU Control Switch
Fan Guard
Push to “HIGH”
Push to “LOW”
NOTE : Room Temperature display explanations are as follows: (KFA125H/210H2 Models only)
When the room temperature is less 0℉, the LED display will show “Lo”
When room temp is between 0℉ and 99℉, the number shown on the display is the current
room temperature.
When room temperature is greater than 99℉, the LED display will show “Hi”
NOTE : User can Select to operate the heater on two different BTU levels(High or Low). The BTU level can
be selected before turning the unit on, or while it is in operation by pushing the BTU control switch.

NOTICE: The major electrical components of this heater are protected by a safety fusemounted to the PCB board.
If yourheater fails to start, check this fusefirst and replace as necessary. You should also check your
power source to insure that proper voltageand frequency are being supplied to theheater.
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.
EXTRA ELECTRIC OUTLET & PIGGYBACK POWER CORD
WARNING : SHOCK HAZARD!
8. LONG TERM STORAGE OF YOUR HEATER
FUEL TANK DRAIN
1. Drain fuel tank through fuel cap opening.
(For KFA50H/75H Models Only)
2. Remove fuel drain bolt from rear bottom side of fuel tank using 3/4” socket or adjustable wrench and drain.
(For KFA125H/210H2 Models Only. See Figure 10)
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 oldand dirty fuel. (For KFA50H/75H Models Only)
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.
9
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
•Always cover electric outlet when not in use.
•Don’t plug and use a appliance more than 120V/60Hz 5A
current in this outlet
Cover
Outlet
Cover
Outlet
KFA75H/125H Models Only
Figure 9. Electric Outlet
5. Reinstall Fuel Drain Bolt to Fuel tank and tighten firmly using 3/4” socket or adjustable wrench.
(For KFA125H/210H2 Models Only. See Figure 10)
Figure 10. Drain Bolt
Fuel Drain Bolt
Seal
IMPORTANT : Before reinstalling the fuel drain bolt, make sure the seal is on the bolt. If the seal is
not used the bolt cannot be installed correctly and the fuel tank will leak.
KFA210H2 Model Only

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.
- Removeupper shell and fan guard (See Air Intake Filter).
- Turn Air pressure gauge counter-clock wise and
remove.
- Remove end filter cover screws using medium
Phillips screwdriver.
- Remove end filter cover.
- Replace air output and lint filter.
- Reinstall end filter cover and air pressure gauge.
- 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. 10
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
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 11. Air Intake Filter Access
Figure 12. Air Output Filter Access
Figure 13. Fan Assembly
Motor
Flush
Fan Blade
Motor Shaft
Set Screw
Air Intake Filter
Pressure Gauge
Screw
Air Output Filter
End Filter Cover
Lint Filter
Screw Upper Shell
Air Intake Filter
Fan Guard

11
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
E.) NOZZLE
REMOVEDIRTIN NOZZLE AS NEEDED (SEE PAGE16).
(For KFA50H/75H/125H Models Only)
- Remove upper shell (See page 10).
- Remove fan blade (See page 10).
- Remove fuel and air line hoses from nozzle adaptor.
- Remove ignitor wire from spark plug.
- Remove spark plug from nozzle adaptor using medium
phillips screwdriver.
- Turn nozzle adaptor 1/9 turn(40°) to counter clock wise
and pull toward motor to remove. (See Figure 14)
- Place plastic hex-body into vise and lightlry tighten.
- Carefully remove nozzle from nozzle adaptor using 5/8”
socket wrench.
- Blow compressed air through face of nozzle.
(this will remove any dirt in nozzle)
- Reinstall nozzle into nozzle adaptor until nozzle seats.
Tighten 1/3 turn more using 5/8” socket wrench.
(40~45 inch-pounds)
- Reinstall nozzle adaptor to burner head.
- Reinstall spark plug to nozzle adaptor.
- Attach ignitor wire to spark plug.
- Attach fuel and air line hoses to nozzle adaptor.
- Reinstall fan blade and upper shell.
(For KFA210H2 Model Only)
- Remove upper shell (See page 10).
- Remove fan (See page 10).
- Remove fuel and air line hoses from nozzle adaptor.
- Remove ignitor wire from spark plug.
- Remove spark plug from nozzle adaptor using medium
phillips screwdriver.
- Turn nozzle adaptor 1/8 turn (45°) to counter clock wise
and pull toward motor to remove. (See Figure 15)
- Place plastic hex-body into vise and lightly tighten.
- Carefully remove nozzle from nozzle adaptor using 5/8”
socket wrench.
- Blow compressed air through face of nozzle.
(this will remove any dirt in nozzle)
- Reinstall nozzle into nozzle adaptor until nozzle seats
Tighten 1/3 turn more using 5/8” socket wrench
(40~45 inch-pounds)
- Reinstall nozzle adaptor to burner bracket
- Reinstall spark plug to nozzle adaptor.
- Attach ignitor wire to spark plug.
- Attach fuel and air line hoses to nozzle adaptor.
- Reinstall fan blade and upper shell. Figure 15. Nozzle Replacement
Figure 14. Nozzle Replacement
Screw
Combustion Chamber
Ignitor Wire
Spark Plug
Nozzle Adaptor
Air Line
Fuel Line
Burner Head
Nozzle Adaptor
Nozzle Face
Nozzle
Nozzle Adaptor
Fuel Line
Air Line
Nozzle Adaptor
Combustion Chamber
Screw
Ignitor Wire
Spark Plug
Bracket-Burner
Nozzle Adaptor
Nozzle Face
Nozzle
Nozzle Adaptor

12
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
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 screws using medium phillips
screwdriver.
- Disconnect switch wires from power switch and
remove side cover.
- Disconnect wires from circuit board and remove
photocell.
- Install new photocell and connect wires to circuit
board.
- Replace switch wires to power switch and side cover.
- Replace fan and upper shell.
Switch
Wires
Bracket
Photocell
Lens
Incorrect Correct
Photocell
Wire
Power
Switch
Screw
Side Cover
Figure 18. Photocell Replacement
F.) SPARK PLUG
CLEAN AND REGAP EVERY 600 HOURS
OPERATION OR REPLACE AS NEEDED.
(For KFA50H/75H/125H Models Only)
- Remove upper shell (See page 10).
- Remove fan (See page 10).
- Remove ignitor wire from spark plug.
- Remove spark plug from nozzle adaptor using medium
phillips screwdriver.
- Clean and regap spark plug electrodes to 3.5mm gap.
- Reinstall spark plug to nozzle adaptor.
- Attach ignitor wire to spark plug.
- Reinstall fan and upper shell.
(For KFA210H2 Model Only)
- Remove upper shell (See page 10).
- Remove fan (See page 10).
- Remove ignitor wire from nozzle adaptor.
- Remove spark plug from nozzle adaptor using medium
phillips screwdriver.
- Clean and regap spark plug electrodes to 3.5mm gap.
(0.138”)
(0.138”)
- ReInstall spark plug to nozzle adaptor.
- Attach ignitor wire to spark plug.
- Reinstall fan and upper shell.
Figure 16. Spark Plug Regap
Figure 17. Spark Plug Regap
Ignitor Wire
Screw
Spark Plug
Nozzle Adaptor
Spark Plug
GAP
Nozzle Adaptor
Ignitor Wire
Spark Plug
Screw
GAP
Spark Plug

H.) FUEL FILTER
CLEAN OR REPLACE TWICE A HEATING
SEASON OR AS NEED.
- Remove side cover screws using medium phillips
screwdriver.
- Disconnect switch wires from power switch and
remove side cover.
- Pull fuel line off fuel filter neck.
- Turn fuel filter 90˚ to counter clockwise and pull to
remove. (KFA50H/75H Models only)
- Turn fuel filter 90˚ to clockwise and pull to remove
(KFA125H/210H2 Modelsonly) .
- Wash fuel filter with clean fuel and replace in tank.
- Attach fuel line to fuel filter neck.
- Replace switch wires to power switch.
- Reinstall side cover.
I.) PUMP PRESSURE ADJUSTMENT
- Start heater (See Operation, page 8)
Allow motor to reach full speed
- Adjust pressure (Using a flat blade screwdriver) Turn
relief valve to clockwise to increase pressure. Turn
relief valve to counter clockwise to decreasepressure.
- Stop heater (See Operation, page 8)
NOTE : USE ONLY ORIGINAL EQUIPMENT
REPLACEMENT PARTS.
Use of alternate or third party components will
void any warranty and may cause unsafe
operating condition.
Pump Pressure
High BTU level Low BTUlevel
KFA50H 3.8 psi N/A
KFA75H 3.8 psi N/A
KFA125H 5.5 psi N/A
KFA210H2 8.5 psi 6.5 psi
Fuel Filter
Fuel line
Switch Wires
Screw
Side Cover
Power Switch
13
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
Figure 19. Fuel Filter Replacement
Figure 20. Adjusting Pump Pressure
MODEL
- Remove Pressure Gauge Plug from End Filter Cover.
Install accessory Pressure Gauge.
(
KFA50H Model only)
Flat blade
Screw driver
KFA50H Model Only
KFA75H/125H Models Only
KFA210H2 Model Only
Relief Valve
Relief Valve
Relief Valve
Pressure Gauge
Pressure Gauge
Pressure Gauge
Pressure Gauge Plug
End Filter Cover.
BTU Control Switch
- Push the BTU CONTROL Switch to HIGH.
(See Operation, page 8, KFA210H Model only)
NOTE: If the pump pressure needs to be adjusted,
make sure the heater is running on the
HIGH BTU setting.

14
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. Disconnect switch wires from power switch.
4. Remove fuse from fuse holder.(See Figure 22.)
5. Replace fuse with enclosed fuse.
WARNING : FIRE HAZARD
To avoid fire, Do not substitute with a higher or lower current rating.
6. Replace switch wires to power switch.
7. Replace side cover.
NOTE : Specified fuse rating : AC 125/8A
PROCEDURE FOR REPLACING FUSE
Screw
Side Cover
Power Switch Switch Wire
Fuse
Fuse Holder
Figure 21. Replacing Fuse
KFA75H/125H/210H2 Models
KFA50H Model
Fuse
Fuse Holder

15
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
11. TROUBLE SHOOTING GUIDE
2. See Air Output, Air intake2. Dirty Air Output,Air Intake
a short period of time.
Heater will not turn-on
room temp. display indicates "E3")
(Indicator Lamp is flickering and
room temp. display indicates "E2")
(Indicator Lamp is flickering and
(Indicator Lamp is on or flickering)
was in the " ON " Position.
is plugged in and power switch
Fan does not turn when heater
indicates " E1 ")
and room temp.display
of time.(Indicator Lamp is flickering
motor runs for a short period
Heater will not ignite but
room temp. display indicates " E1 ")
(Indicator Lamp is flickering and
(Indicator Lamp is off)
temperature limit safety device
and PCB board.
4. Bad electrical connection between
1. Room Temp. sensor disconnected.
3. Blown fuse.
2. No electrical power
device is overheated.
1. Temperature limit safety
1. Thermostat switch failure.
2. Sensor Failure.
See Wiring Diagram, Page 16.
4. Check electrical connections
3. Replace safety fuse in PCB board.
Check power supply.
extension cord are plugged in.
2. Check to insure heater cord and
and allow to cool (about 10 min.)
1. Turn power switch to "OFF"
See Wiring diagram, Page 16.
1. Replace switch.
See Wiring diagram, Page 16.
2. Replace sensor.
See Wiring diagram, Page 16.
1. Reconnect sensor.
8. Ignition wire is not attached to
PCB assembly.
between motor and MAIN
2. Bad electrical connection
1. Thermostat setting is too low.
spark plug.
PCB assembly.
between ignitor and MAIN
7. Bad electrical connection
6. Water in fuel tank.
5. Dirt in Nozzle.
4. Dirty fuel filter.
plug and/or improper gap.
3. Carbon deposits on spark
2. Wrong pump pressure.
1. No fuel in tank.
8. Defective Photocell.
PCB assembly.
between photocell and MAIN
7. Bad electrical connection
Properly installed.(Not seeing the
flame)
6. Photocell Assembly not
5. Dirty Photocell Lens.
4. Dirt in Nozzle.
3. Dirty Fuel Filter.
or Lint Filter.
See Wiring Diagram, Page 16.
2. Check electrical connections,
to a higher setting.
1. Turn thermostat control knob
plug. See Spark Plug, Page 12.
8. Attach ignition wire to spark
See wiring diagram, Page 16.
7. Check electrical components
kerosene, Page 9.
6. Flush fuel tank with clean
5. See Nozzle, Page 11.
4. See Fuel Filter, Page 13.
3. See Spark Plug, Page 12.
Page 13.
2. See Pump Pressure Adjustment,
1. Fill tank with kerosene.
8. Replace Photocell, Page 12.
See wiring diagram, Page 16.
7. Check electrical components
Page 12.
properly seated in bracket,
6. Make sure photocell boot is
5. Clean Photocell Lens, Page 12.
4. See Nozzle, Page 11.
3. See Fuel Filter, Page 13.
and Lint Filters, page 10.
assembly shuts heater off after
Heater ignites but MAIN PCB
TROUBLE POSSIBLE CAUSE
1. Wrong pump pressure Page 13. 1. See Pump Pressure Adjustment,
CORRECTIVE ACTION

MODEL CAPACITOR
1/G WIRE
COLOR
75H 15uF/230VAC
15uF/230VAC
BLACK
RED
125H 20uF/350VAC
20uF/350VAC
BLACK
WHITE
16
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
12. WIRING DIAGRAM
A) WIRING DIAGRAM (KFA50H Model)
B) WIRING DIAGRAM (KFA75H/125H Models)
C) WIRING DIAGRAM (KFA210H2 Model)
CN3
CN1 CN1
CN2
CN7
CN4
CN3
CN4
CN3
CN5 CN6
CN5 CN6

17
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
KFA50H / KFA75H Models
KFA125H / KFA210H2 Models
44.6"(1,132 )
23.1"(587 )
36.6"(929 )
KFA125H KFA210H2
38.4"(976 )
35.5"(902 )
21.5"(547 )
D
W
H
MODEL
HIGH 50,000 75,000 125,000 210,000
LOW N/A N/A N/A 170,000
HIGH 0.38(1.44) 0.57(2.16) 0.95(3.60) 1.60(6.06)
LOW N/A N/A N/A 1.30(4.92)
FuelTank Capacity - Gal.( ) 5.0(18.9) 5.0(18.9) 10.0(37.9) 13.0(49.2)
HIGH 3.8(0.27) 3.8(0.27) 5.5(0.39) 8.5(0.60)
LOW N/A N/A N/A 6.5(0.46)
zH06/caV021zH06/caV021zH06/caV021zH06/caV021zH/tloV
7.35.26.16.1.spmA
1111esahP
32.0×11.7×16.7
(813×297×424)
26.9(12.2)
32.0×11.7×16.7
(813×297×424)
26.9(12.2)
38.4×21.5×35.5
(976×547×902)
54.5(24.7)
44.6×23.1×36.6
(1,132×587×929)
62.5(28.3)
Weight Lbs.(㎏)
13. SPECIFICATIONS
Fuel Consumption
- Gal./Hr(./Hr)
Pump Pressure PSI(kgf/㎠)
BTU/Hr.
Size(D×W×H), Inch(㎜)
KFA50H KFA75H KFA125H KFA210H2
32.0"(813mm) 11.7"(297mm)
16.5"(419mm)
DW
H

NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
14. EXPLODED PARTS DRAWING (KFA50H/75H/125H Models Only)
NOTE : SPECIFY MODEL NUMBER AND PART NUMBER WHEN ORDERING PARTS.
18
29
10
9
40
43
39
42
41
21
22 23 24 27
28
26
18
20
11
19
12
16
14
15
25
13
37
32
38
1
4
3
31
30
7
6
5
36
2
34
33
35
17
26-17
8
26-4
26-14
26-13
26-12
26-10
26-16
26-15
26-11
26-7
26-5
26-2
26-6
26-1
26-3
26-8
26-9
26-18
26-19
26-20
26-21
23-1 23-2
23-4
23-3
23-5
23-6
23-7
23-8

19
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
15. PARTS LIST (KFA50H/75H/125H Models Only)
KEY NO. DESCRIPTION PART NO. Quantity
KFA50HKFA75H KFA125H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
23-1
23-2
23-3
23-4
23-5
23-6
23-7
23-8
24
25
26
26-1
26-2
26-3
26-4
26-5
26-6
26-7
Fuel Tank Assmebly
Fuel Drain-Bolt
Fuel Gauge
Fuel Filter Assmbly
Fuel Cap
Cord Bushing
Power Cord
Thermistor
Button Support
Display P.C.B Assembly
Shell Lower
Flange Screw
Clip Nut
Bushing-Grommet(S)
Bushing-Grommet(L)
Air-Line
Temperature Limit Assembly
Flange-Screw
Chamber Assembly
Bracket Photocell
Screw-BH1
Photocell Assembly
Burner Head Assembly
Burner Head
Nozzle
Washer-Nozzle Seal
Spring-Nozzle Seal
O-Ring
Nozzle Adaptor
Spark Plug
Bolt-Flange
Flange Screw
Fuel Line
Motor and Pump Assembly
Motor
Capacitor
Motor Support
Nut-Hex
Holder Capacitor
Pump Body
Bolt-BH Special
2151-0026-00
-
2156-0047-00
2155-0005-00
2151-0003-00
3712-0013-00
3980-0031-00
38C0-0054-00
3713-0048-00
215A-0013-00
3111-0343-03
4319-0015-00
3131-0182-00
3231-0120-00
3231-0121-00
3341-0021-00
2153-0022-00
4319-0015-00
2152-0115-00
3131-0159-00
4311-0068-00
*SP-KFA1007
2152-0120-00
3531-0026-00
*SP-KFA1026
4349-0016-00
3431-0010-00
3311-0002-00
3231-0178-00
*SP-KFA1008
4329-0079-00
4319-0015-00
3341-0024-00
2154-0078-00
3970-0210-00
3820-0257-00
3121-0481-00
4331-0022-00
-
3541-0022-00
4321-0198-00
2151-0027-00
-
2156-0049-00
2155-0005-00
2151-0003-00
3712-0013-00
3980-0177-00
38C0-0054-00
-
-
3111-0343-03
4319-0015-00
3131-0182-00
3231-0120-00
3231-0121-00
3341-0021-00
2153-0022-00
4319-0015-00
2152-0116-00
3131-0159-00
4311-0068-00
*SP-KFA1007
2152-0121-00
3531-0026-00
*SP-KFA1027
4349-0016-00
3431-0010-00
3311-0002-00
3231-0178-00
*SP-KFA1008
4329-0079-00
4319-0015-00
3341-0024-00
2154-0078-00
3970-0210-00
3820-0257-00
3121-0481-00
4331-0022-00
-
3541-0022-00
4321-0198-00
2151-0028-00
4329-0072-00
2156-0050-00
2155-0001-00
2151-0003-00
3712-0013-00
3980-0177-00
38C0-0054-00
-
-
3111-0344-03
4319-0015-00
3131-0182-00
3231-0120-00
3231-0121-00
3341-0002-00
2153-0023-00
4319-0015-00
2152-0117-00
3131-0159-00
4311-0068-00
*SP-KFA1007
2152-0122-00
3531-0025-00
*SP-KFA1003
4349-0016-00
3431-0010-00
3311-0002-00
3231-0179-00
*SP-KFA1009
4329-0079-00
4319-0015-00
3341-0025-00
2154-0079-00
3970-0211-00
3820-0258-00
3121-0482-00
4331-0022-00
3231-0182-00
3541-0022-00
4321-0198-00
1
1
1
1
1
1
1
1
2
1
1
4
8
1
1
1
1
1
1
1
2
1
1
1
1
2
1
1
1
1
1
3
1
1
1
1
1
2
1
1
2