Dyna-Glo WORKHORSE Series Manual

IMKFAWH-GCU
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.
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]
COMPLIES WITH UL733 AND
ANSI A10.10-1998
CAN/CSA/B140.0-03 AND CSA
B140.8-1967
MODEL : KFA50WH / KFA75WH / KFA125WH
KFA170WH / KFA210WH

NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
IMPROPER USE OF THIS HEATER CAN RESULT IN SERIOUS INJURY OR DEATH
FROM BURNS, FIRE, EXPLOSION, ELECTRICAL SHOCK AND/OR CARBON
MONOXIDE POISONING.
DANGER::
WARNINGS:
1. RISK OF INDOOR AIR POLLUTION!
Hot while in operation. Do not touch. Keep children,
clothing and combustibles away from heater.
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2. RISK OFBURNS/FIRE/EXPLOSION!
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CAUTION: Hot while in operation. Do not touch. Keep children,
clothing and combustibles away from heater.
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.
NEVER use any fuel other than 1-K kerosene, #1 disel/fuel oil in this heater.
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.
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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, handle, service a hot, operating or plugged in heater.
NEVER transport heater with fuel in it’s tank.
When used with an optional thermostat or if equipped with a 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.
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.
3. RISK OF ELECTRIC SHOCK!
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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.
1

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
Fan Guard
Fuel Gauge
Fuel Cap
Front Guard
Hot Air Outlet
Lower Shell
Fuel Tank
Side Cover
Lamp
Thermostot Knob
(75WH Model Only)
Power/Reset Switch
Power Cord
(Piggy Back, 75WH Model Only)
Upper Shell
Handle
PAGE #
1
2
2
4
6
7
8
8
9
01
41
51
61
71
18&21&24
19,20&22,23&25,26
Figure 1. KFA50WH/75WH MODELS

3
Hot Air Outlet
Shell Lower
Fuel Gauge
Fuel Cap
Side Cover
Lamp
Thermostot Knob
Room Temp. Display
(170WH Model Only)
Power/Reset Switch
10” Flat Free Wheel
Front Handle
Rear Handle
Upper Shell
Cord Wrap
BTU Control Switch
(170WH Model Only)
Pressure Gauge
Fan Guard
Power Cord
(Piggy Back)
Fuel Drain Bolt
Hot Air Outlet
Shell Lower
Fuel Gauge
Fuel Cap
Side Cover
Thermostot Knob
Lamp
Room Temp. Display
Power/Reset Switch
10” Flat Free Wheel
Rear Handle
Front Handle
Upper Shell
Cord Wrap
BTU Control Switch
Pressure Gauge
Fan Guard
Power Cord
(Piggy Back)
Fuel Drain Bolt
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
Figure 3. KFA210WH MODEL
Figure 2. KFA125WH/170WH MODELS

4
Figure 5. KFA125/170/210WH MODELS
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. KFA50WH/75WH MODELS
KFA50WH
KFA75WH
KFA170WH
KFA210WH
KFA125WH
Wheel Support Frame No Yes Yes
Wheel No Yes Yes
seYseYoNThreaded Axle
seYseYoNFront Handle
Rear Handle seYseYoN
oNoNseYeldnaH
seYseYoNparWdroC
Hardware kit : HW-KFA1001 Yes No No
Hardware kit : HW-KFA1016 No Yes Yes
Handle Hardware Kit
HW-KFA1001
Cap Nuts S
Hardware Kit : HW-KFA1016
(10" Flat Free)
Wheels
Cord Wraps
Screws Flange Screws
Nuts Bushings Cap Nuts L
Axle
Rear Handle
Wheel Support Frame
Front Handle
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!

5
2. ASSEMBLY
For KFA50WH/75WH Models only
(Assembly time for this product is 3 minutes)
For KFA125/170/210WH Models only (Assembly time for this product is 10 minutes)
Tools Required
Medium Phillips Screwdriver.
1) Lift front guard for arrow directionand make
sure that guard’s wedged portion fits into the slit
hole on the upper housing.
2) Align the holesin the upper housing with two
mounting holes on the handle as shown in Figure 6.
3) Securehandle with Screws with provided.
Figure 6. Assembling Handle & Cord Wrap
Handle Screw
Front Guard
Slit Hole
Wedged Portion
Tools Required
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LQFKVRFNHWRUDGMXVWDEOHZUHQFK
Assembling Handle & Wheel and Cord Wrap
1) Slide threaded axle through the rear section ofthe wheel support frane.
2) Slide one axle bushing on to each side ofthe axle. Slide one wheel on to each side ofthe axle.
Attach one capnut on to each side of the threaded axle and tighten well.
3) Place heateron wheel support frame. Align the holeson fuel tank flange with holeson wheel support frame.
) Position the Handles on top of fuel tank flange.
Insert screws through handles, fuel tank flange and wheel support framesas shown in Figure 8 and
attach nut fingertight after each screw isinserted.
5) Align the hole on the handles with the mounting hole on the Cord Wrap.
Insert Screws through Cord Wrap, handlesand attach nut fingertight aftereach screw isinserted.
6) After all screws are inserted, tighten nuts firmly.
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!

6
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 BUR N 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 qualified service person.
Cap Nut L
Wheel Wheel Bushing
Threaded Axle
Rear Handle
Air Inlet
Cord Wrap
Cap Nut S
Nut
Hot Air Outlet
Screw
Flange Screw
Front Handle
Wheel Support Frame
Flange
Fuel Tank
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!

5. OVERVIEW OF HEATER’S 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 heater’s 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
Internal Shut-Off Temp. Reset Temperature
MODELS Plus/Minus 10 Degrees Plus/Minus 10 Degrees
KFA50WH/75WH Ý)ÝCÝ)Ý&
KFA125WH/170WH Ý)ÝCÝ)Ý&
KFA210WH Ý)ÝCÝ)Ý&
FUSE TYPE: All Models YROWDPSV
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!

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.
IMPORTANTNOTICEREGARDING FIRSTIGNITION 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 KFA210WH heater requires one of the following:
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B.) OPERATION
TO START HEATER
1. Fill fuel tank with kerosene or No. 1 fuel oil.
2. Attach fuel cap.
 3OXJSRZHUFRUGRIKHDWHULQWRWKUHHSURQJgrounded extension cord. Extension cord must be at
least six feet long.
Extension Cord Wire Size Requirements
 to 100 feet (1.8WRPHWHUVORQJXVH$:*FRQGXFWRU
WRIHHWWRPHWHUVORQJXVH$:*FRQGXFWRU
 Turn “THERMOSTAT &21752/NQREµWRGHVLUHGVHWWLQJVHWWLQJUDQJHÝ)aÝ)
.)$:+.)$:+0RGHOV2QO\
3XVK´%78FRQWURO6ZLWFKµWRGHVLUHGOHYHO “High or LOW” (See Figure 8.)
.)$:+0RGHOV2QO\
3XVK3RZHU6ZLWFKWR´21µSRVLWLRQ3RZHUOQGLFDWRU/DPSZLOl light and heater will start.
NOTE : Room Temperature display explanations are as follows: (KFA170/210WH Models only)
:KHQWKHURRPWHPSHUDWXUHLVOHVVɆ, the LED display will show “Lo”
:KHQURRPWHPSLVEHWZHHQɆDQGɆWKHnumber shown on the display is the current
room temperature.
When room temperature is greater thanɆWKH/('GLVSOD\ZLOOVKRZ´+Lµ


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, sHH7URXEOHVKRRWLRQJ*XLGHRQSDJH
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.
8
Figure 8. Controls for All Models
Power/Reset
Switch
KFA50/75/125WH Models KFA170/210WH Models
Room Temp. Display
Power/Reset
Switch
Thermostat
Control Knob
(75/125WH MODELS ONLY)
Thermostat
Control Knob
Lamp Lamp
BTU Control Switch BTU Control Switch
Fan Guard
Push to “HIGH”
Push to “LOW”
NEVER LEAVE THE HEATER
81$77(1'(':+,/(%851,1*

9
NOTICE : The major electrical components of this heater are protected by a safety fuse mounted to the PCBboard.
If your heater fails to start, check this fusefirst and replace as necessary. You should also check your
power source to insure that proper voltage and frequency are being supplied to the heater.
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.
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 KFA50WH/75WH Models Only)
2. Remove fuel drain bolt from rear bottom side of fuel tank using 3/4” socket or adjustable wrench and drain.
(For KFA125/170/210WH 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 old and dirty fuel. (For KFA50WH/75WH Models Only)
5. Reinstall fuel drain bolt to Fuel tank and tighten firmly using 3/4” socket or adjustable wrench.
(For KFA125/170/210WH Models Only. See Fi gure 10)
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.
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.
Always cover electric outlet when not in use.
Don’t plug and use a appliance more than 120V/60Hz 5A
current in this outlet.
Figure 10. Fuel Drain Bolt
Fuel Drain Bolt
Seal
revoC
KFA75WH/125/170/210WH Models only
Figure 9. Piggyback Power Cord
Outlet
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 EVERY500 HOURS OF OPERATION
OR ONCE A YEAR.
- Remove upper shell and fan guard (See Air Intake Filter).
- Trun 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
9. MAINTENANCE
WARNING!! : NEVER SERVICE HEATER WHILE ITIS 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 Outprt Filter Access
Figure 13. Fan Assembly
Motor
Flush
Fan Blade
Motor Shaft
Set Screw
Screw Upper Shell
Air Intake Filter
Fan Guard
Air Intake Filter
Pressure Gauge
Screw
Air Output Filter
End Filter Cover
Lint Filter
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!

11
E.) NOZZLE
REMOVEDIRT IN NOZZLE AS NEEDED (SEE PAGE 16).
(For KFA50WH/75WH/125/170WH Models Only)
-Remove upper shell (See page 10).
-Remove fan blade (See page 10).
-Remove fuel and airline hoses from nozzle adaptor.
-Remove ignitor wire from spark plug.
-Remove spark plug from nozzle adaptorusing medium
phillips screwdriver.
-Turnnozzle adaptor1/9turn(40°) to counterclock wise
and pull toward motor to remove. (See Figure 14)
- Place plastic hex-body into vise and lightlry tighten.
-Carefully remove nozzle from nozzle adaptorusing 5/8”
socket wrench.
-Blow compressed airthrough face of nozzle.
(this will remove any dirt in nozzle)
-Reinstall nozzle into nozzle adaptor until nozzle seats.
Tighten 1/3turn moreusing 5/8” socket wrench.
(40~45 inch-pounds)
-Reinstall nozzle adaptor to burner head.
-Reinstall spark plug tonozzle adaptor.
- Attach ignitor wire to spark plug.
- Attach fuel and airline hoses to nozzle adaptor.
-Reinstall fan blade and upper shell.
(For KFA210WH Model Only)
-Remove upper shell (See page 10).
-Remove fan (See page 10).
-Remove fuel and airline hoses from nozzle adaptor.
-Remove ignitor wire from spark plug.
-Remove spark plug from nozzle adaptorusing medium
phillips screwdriver.
-Turnnozzle adaptor1/8turn(45°) tocounterclock wise
and pull toward motor to remove. (See Figure 15)
- Place plastic hex-body into vise and lightly tighten.
-Carefully remove nozzle from nozzle adaptorusing 5/8”
socket wrench.
-Blow compressed airthrough face of nozzle.
(this will remove any dirt in nozzle)
-Reinstall nozzle into nozzle adaptor until nozzle seats
Tighten 1/3turn moreusing 5/8” socket wrench
(40~45 inch-pounds)
-Reinstall nozzle adaptor to burner bracket
-Reinstall spark plug tonozzle adaptor.
- Attach ignitor wire to spark plug.
- Attach fuel and airline 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
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!

12
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 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.
F.) SPARK PLUG
CLEAN AND REGAP EVERY 600 HOURS
OPERATION OR REPLACE AS NEEDED.
(For KFA50WH/75WH/125/170WH 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 KFA210WH 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
Figure 18. Photocell Replacement
Power
Side Cover
Switch
Wires
Screw
Wire
Bracket
Photocell
Switch
Lens
Install Photocell
CorrectIncorrect
Photocell
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!

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.
- 7XUQIXHOILOWHUÛWRFRXQWHUFORFNZLVHDQGSXOOWR
remove (KFA50WH/75WH Models only).
- 7XUQIXHOILOWHUÛWRFORFNZLVHDQGSXOOWRUHPRYH
(KFA125/170/210WH Models only).
- 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 BTU level
KFA50WH
KFA75WH
KFA125WH
KFA170WH
KFA210WH
3.8 psi N/A
3.8 psi N/A
N/A
5.5 psi
6.5 psi 4.5 psi
8.5 psi 6.5 psi
Fuel Filter
Fuel line
Switch Wires
Screw
Side Cover
Power Switch
13
Figure 19. Fuel Filter Replacement
Figure 20. Adjusting Pump Pressure
MODEL
- Remove Pressure Gauge Plug from End Filter Cover.
Install accessory Pressure Gauge.
(KFA50WH/75WH
Models only)
Flat blade
Screw driver
KFA50WH/75WH Models Only
KFA125/170/210WH Models Only
Relief Valve
Relief Valve
Pressure Gauge
Pressure Gauge
Pressure Gauge Plug
End Filter Cover.
BTU C
(KFA170/210WH
Models Only)
ontrol Switch
- Push the BTU CONTROL Switch to HIGH.
(See Operation, page 8, KFA170/210WH Models only)
NOTE: If the pump pressure needs to be adjusted,
make sure the heater is running on the
HIGH BTU setting.
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!

14
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 instructions 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 21.)
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
KFA75WH/125/170/210WH Models
KFA50WH
Fuse Holder
Fuse
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!

15
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. Sensor Failure.
3. Blown fuse.
2. No electrical power
device is overheated.
1. Temperature limit safety
1. Thermostat switch 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.
1. Replace sensor.
See Wiring diagram, Page 16.
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
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!

16
12. WIRING DIAGRAM
A) WIRING DIAGRAM (KFA50WH Model)
B) WIRING DIAGRAM (KFA75WH/125/170/210WH Models)
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
SPARK PLUG
PUMP
BLACK
BLACK
BLACK
IGNITOR
CAPACITOR
WHITE
MOTOR
GREEN
EARTH
15uF/230VAC
WHITE
CONTROL PCB
DISPLAY PCB
RED
CN3
POWER LAMP
CN1CN1
(LED) 2P
CN2
RED
PW-BLK
PW-W/H
BLACK
FUSE
LIMIT
PHOTO CELL
BLACK
POWER
BLACK
POWER
ORANGE
BLACK
WHITE
8A/125VAC
AC120V
PLUG
BLACK
60Hz
GREEN
EARTH
SWITCH CONTROL
RED
CN7
15uF/230VAC
20uF/350VAC
125/170/210WH
75WH
CAPACITOR
MODEL
CONTROL PCB
BLACK
PUMP
BLACK
BLACK
CN4
ORANGE
IGNITOR
(LED)
POWER LAMP
MOTOR WHITE
RED
CAPACITOR
GREEN
EARTH
BLK
WHT
CN5 CN6
CN1(AC1)/
CN2(AC2)/
WHITE
BLACK
LIMIT
POWER
ROOM
SENSOR
FUSE
POWER
PHOTO
CELL
THERMOSTAT
BLACK
BLACK
(TEMP. CONTROL)
SPARK PLUG
WHITE
BLACK 8A/125VAC
PLUG
60Hz
AC120V
EARTH
GREEN
BLACK
CONTROL
SWITCH
RED
RED
CN3

17
MODEL
HIGH
LOW
HIGH
LOW
Fuel Tank Capacity - Gal.( )
HIGH
LOW
zH/tloV
.spmA
esahP
32.0×11.7×16.7
(813×297×424)
26.9(12.2)
Weight Lbs.(㎏)
13. SPECIFICATIONS
Fuel Consumption
- Gal./Hr( ./Hr)
Pump Pressure PSI(kgf/㎠)
BTU/Hr.
Size(D×W×H), Inch(㎜)
KFA50WH KFA75WH KFA125WH KFA170WH KFA210WH
50,000
N/A
0.38(1.44)
N/A
5.0(18.9)
3.8(0.27)
N/A
120Vac/60hz
1.6
1
32.0×11.7×16.7
(813×297×424)
26.9(12.2)
75,000
N/A
0.57(2.16)
N/A
5.0(18.9)
3.8(0.27)
N/A
120Vac/60hz
1.6
1
41.9×21.5×32.4
(1,063×547×824)
54.5(24.7)
125,000
N/A
0.95(3.60)
N/A
10.0(37.9)
5.5(0.39)
N/A
120Vac/60hz
2.5
1
47.4×23.1×33.5
(1,205×587×850)
60.2(27.3)
170,000
135,000
1.30(4.92)
1.0(3.79)
13.0(49.2)
6.5(0.46)
4.5(0.32)
120Vac/60hz
3.2
1
47.4×23.1×33.5
(1,205×587×850)
62.4(28.3)
210,000
170,000
1.60(6.06)
1.30(4.92)
13.0(49.2)
8.5(0.60)
6.5(0.46)
120Vac/60hz
3.7
1
47.4"(1,205 mm)
23.1"(587 mm)
33.5"(850 mm)
41.9"(1,063 mm)
32.4"(824 mm)
21.5"(547 mm)
D
W
H
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
KFA50WH/75WH Models
KFA125/170/210WH Models
KFA125WH KFA170WH
KFA210WH
32.0"(813mm) 11.7"(297mm)
16.7"(424mm)
D W
H

22-8
22-7
22-6
22-5
22-3
22-4
22-2
22-1
25-21
25-20
25-19
25-18
25-9
25-8
25-3
25-1
25-6
25-2
25-5
25-7
25-11
25-15
25-16
25-10
25-12
25-13
25-14
25-4 25-17
16
32
33
2
34
5
6
7
29
30
3
4
1
36
31
35
12
24 14
13
15
11
18
10
19
17
25
27
26
23
22
21
20
39
40
37
41
38
8
9
28
14. EXPLODED PARTS DRAWING (KFA50WH/75WH Models Only)
NOTE : SPECIFY MODEL NUMBER AND PART NUMBER WHEN ORDERING PARTS.
18
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!

19
15. PARTS LIST (KFA50WH/75WH Models Only)
KEY NO. DESCRIPTION PART NO. Quantity
KFA50WH KFA75WH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
22-1
22-2
22-3
22-4
22-5
22-6
22-7
22-8
24
22
25
25-1
25-2
25-3
25-4
25-5
25-6
25-7
25-8
25-9
25-10
25-11
25-12
Fuel Tank Assmebly
Fuel Drain-Bolt
Fuel Gauge
Fuel Filter Assmbly
Fuel Cap
Cord Bushing
Power Cord
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
Rotor
Blade
Insert
End Pump Cover
Elbow
2151-0027-00
-
2156-0049-00
2155-0005-00
2151-0041-00
3712-0013-00
3980-0177-00
-
-
3111-0383-02
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
See SP-KFA10001
See SP-KFA10001
See SP-KFA10001
3531-0027-00
3231-0181-00
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
1
4
1
1
1
2151-0026-00
-
2156-0047-00
2155-0005-00
2151-0041-00
3712-0013-00
3980-0031-00
3713-0048-00
215A-0013-00
3111-0383-02
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
See SP-KFA10001
See SP-KFA10001
See SP-KFA10001
3531-0027-00
3231-0181-00
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!