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Operation 

KEROSENE (K-1) 

For optimal performance of this heater, it is strongly suggested 

that K-1 kerosene be used. K-1  kerosene has been refined to 

virtually eliminate contaminants, such as sulfur, 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 K-1 kerosene is not 

available.  Be advised that these fuels do not burn as clean as K-1 

kerosene, and care should be taken to provide more fresh air 

ventilation to accommodate any added contaminants that may be 

added to the heated space. Use of #1 or #2 fuel oil may result in 

more periodic maintenance. 

Using diesel fuel can cause excess 

soot production. 

DO NOT use any fuel that is not approved 

above. 

NOTE: 

Kerosene should only be stored in a blue container that is clearly 

marked "Kerosene." Never store kerosene in a red container. Red is 

associated with gasoline. 

- NEVER store kerosene in the living space. Kerosene should be stored

in a well ventilated area outside the living area. 

- NEVER use fuel such as,  benzene, alcohol, white glass,  camp stbve

fuel, paint thinners, or other oil compounds in this heater. THESE

ARE VOLATILE FUELS THAT CAN CAUSE A FIRE OR

EXPLOSION.

- 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.

- Use K-1  kerosene in this heater. A suitable substitute is #1 fuel.

OVERVIEW OF HEATER DESIGN 

Fuel System: 

This heater is equipped with an electric magnet 

pump that forces fuel through the fuel line connected to the 

fuel intake, and then through a nozzle in the burner head. 

This fuel is then sprayed into the combustion chamber in a 

fine mist. 

"SureFire Ignition'.': 

The electronic ignitor sends voltage to a 

specially designed spark plug. The spark plug ignites the fuel 

and air mixture. 

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 

Temperature Limit Control: 

This heater is equipped with a 

Temperature Limit Control designed to turn the heater off 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 ale to start  your heater. 

Electrical System Protection: 

This heater's electrical system is 

protected by a fuse that protects it and other electrical components from 

damage. Fuse is located inside of an in-line "FUSE BARREL". If your 

heater fails to operate, check this fuse first and replace as needed. 

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. 

FUELING YOUR HEATER 

IMPORTANT: 

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. The 

initial burn must last at least 10 minutes. 

VENTILATION 

NEVER  REFUEL  THIS  HEATER

I

� 

"--.w-, 

A_R_N_I N-G

WHILE  IT 

1s 

HOT  oR OPERATING.

J-\ 

FIRE  OR  EXPLOSION  COULD

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RESULT. 

NEVER  FILL  THE  FUEL  TANK 

CAUTION 

INDOORS.  ALWAYS  FILL  THE

TANK OUTDOORS.  BE SURE THAT 

THE HEATER IS ON LEVEL GROUND WHEN FUELING, AND 

NEVER OVERFILL  THE  FUEL  TANK. 

CAUTION 

Risk of indoor air pollution.  Use

�-------� 

heater only in well ventilated areas. 

Provide a fresh air opening of at least 3 square feet. (2,800 sq. 

cm.) for each 100,000 BTU/Hr. rating. Provide extra fresh air if 

more heaters are being used. 

TO START HEATER 

1. Fill fuel tank with K-1  kerosene.

2. Attach fuel cap.

3. Plug power cord into three-prong, grounded extension cord,

and plug the extension cord into a three-prong 120V grounded

outlet. The extension cord must be at least six feet long.

Extension Cord Wire Size Requirements: 

• 6 to 10 feet long, use 14 AWG conductor.

,

• 101 to 200 feet long,  use 12 AWG conductor. 

• 201 to 300 feet long,  use 10 AWG conductor.

• 301 to 400 feet long, use 8 AWG conductor. 

• 401 to 500 feet long,  use 6 AWG conductor.

4. Push "OPERATION BUTTON" (see Figure 5). Power indicator

lamp and room temperature display will light and heater will

start. Push the up and down arrow keys on the control  panel to

adjust the thermostat settings.

GAU-KFA-PH-600K-TST

Larson Electronics, LLC

 

  Phone: (800) 369-6671 

 Fax: (903) 498-3364 

  www.larsonelectronics.com 

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Summary of Contents for GAU-KFA-PH-600K-TST

Page 1: ...CTION SHEET CONSULT AN ELECTRICIAN THERE ARE NO SERVICEABLE PARTS INSIDE WARNING MAKE SURE POWER IS TURNED OFF BEFORE STARTING THE INSTALLATION OR PERFORMING ANY MAINTENANCE RISK OF FIRE ELECTRIC SHOCK DISCONNECT POWER AT BREAKER BEFORE INSTALLING OR SERVICING RISK OF PERSONAL INJURY FIXTURE MAY BECOME UNSTABLE OR DAMAGED IF NOT INSTALLED PROPERLY RISK OF BURN ALLOW FIXTURE TO COOL BEFORE SERVICIN...

Page 2: ...is mounted on a cart with two wheels and front rear handles for portability and seamless transportation around the work site Warning Check product label for correct input voltage Attach supply line wires to the appropriate light fixture wires as shown in the diagram Secure each pair of wires according to the diagram Utilize a junction box or similar device and take precautionary steps for weatherp...

Page 3: ...ired forced air heater Kerosene forced air heaters are primarily intended for use for temporary heating of buildings under construction alteration or repair Direct fired means that all of the combustion products of the heater enter the heated space This appliance is rated at 98 combustion efficiency but does produce small amounts of carbon monoxide Carbon monoxide is toxic ADANGER CARBON MONOXIDE ...

Page 4: ...l storage should be in accordance with federal state or local authorities having jurisdiction Never use this heater in living or sleeping areas NEVER use this heater where flammable vapors may be present I AWARNINGI 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 i...

Page 5: ...quired to assemble your heater NOTE Save the box and packaging materials for future storage Assembly Front Handle Handle Frame Wheel Support Frame__ Flat Washer L Cotter Pin Flat Washer S Figure 2 Assembly of Model GAU KFA PH 600K TST Fan Guard Wheel Tube Valve GAU KFA PH 600K TST Larson Electronics LLC Phone 800 369 6671 Fax 903 498 3364 www larsonelectronics com 5 of 16 ...

Page 6: ...le NOTE When installing wheels tube valve should face out from support frame Figure 2 2 Place flat washers L and cotter pins on axle ends and bend cotter pins with long nose pliers to secure 3 Place wheel cap on flat washers L and put wheel cap in flat washers L end 4 Place heater on wheel support frame Make sure air inlet end rear of heater is over wheels Align the holes on fuel tank flange Inser...

Page 7: ...h a Temperature Limit Control designed to turn the heater off 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 ale to start your heater Electrical System Protection This heater s electrical system is protected by a fuse that protects it and other elect...

Page 8: ...oling cycle The cooling cycle cools the combustion chamber Damage to heater can occur if combustion chamber is not cooled Do not restart heater until cc Oling cycle is complete 1 Push OPERATION BUTTON see Figure 5 This will cause heater flame to go out The motor will continue to run during the cooling cycle This allows the fan to cool the combustion cham ber When the cooling cycle approx 2 minutes...

Page 9: ...move it all IMPORTANT Do not store kerosene over summer for use during next heating season Using old fuel may damage heater 3 Reinstall drain bolt as follows i Insert bolt s seal head fully into drain hole so that flange is flush to tank s bottom See Figure 6 ii Insert seal cap fully into head hole so that cap flange is flush to head flange See Figure 6 Drain Bolt Bottom Fron of Fuel Tank Figure 6...

Page 10: ...e B from burner assembly by using wrench 3 Remove burner head from burner assembly 4 Remove lead wire from spark plug 5 Remove spark plug from burner head 6 Carefully remove nozzle from burner head using socket wrench 7 Blow compressed air through face of nozzle this will remove any dirt 8 Inspect nozzle for damage If damaged or clogged replace nozzle 9 Make sure plug is in place on burner head 10...

Page 11: ...fuel filter in clean kerosene 5 Replace fuel filter and fuel cover Fuel filter A on fuel cap 1 Remove fuel cap See Figure 11 2 Take out fuel filter with clean kerosene 3 Wash fuel filter with clean kerosene 4 Replace fuel filter on fuel tank 5 Replace fuel cap on fuel tank fi1 fi1 Figure 10 Removing Fuel Filter Fuel Cap 9 Fuel Gas et Q Fuel Filter A tt1 Figure 11 Fuel Filter A PUMP PRESSURE ADJUST...

Page 12: ...ting conditions NOTE If heater does not ignite when heater is turned on please turn AIR VENT SCREW counter clockwise to release air then turn OPERATION SWITCH back on Wiring Diagram BLACK AC 120V 60Hz EARTH CONTROLLER ASSEMBLY BG ROOM TEMP SETTING TEMP c a c a c a POWER OPERATION CHECK UP m J Jl TEW UP CN1 CN1 WHITE FUSE 10A 250VAC Figure 12 Pump Pressure Adjustment BLACK BLACK GRAY PHOTOCELL GRAY...

Page 13: ...Exploded View 6 4 GAU KFA PH 600K TST Larson Electronics LLC Phone 800 369 6671 Fax 903 498 3364 www larsonelectronics com 13 of 16 ...

Page 14: ...el Photocell Nozzle Fan Motor Assembly Parts List 70 027 0800 70 006 0200 70 041 0110 70 016 0150 70 015 0750 70 021 0800 GAU KFA PH 600K TST Larson Electronics LLC Phone 800 369 6671 Fax 903 498 3364 www larsonelectronics com 14 of 16 GAU KFA PH 600K TST ...

Page 15: ...ump pressure 2 Adjust pump pressure see page 10 Corroded spark plug or incorrect 3 Clean replace spark plug see plug gap page 9 Dirty fuel filter 4 Clean replace fuelfilter seepage 10 Dirty nozzle 5 Clean replace nozzle seepage 9 Moisture in fuel tank 6 Rinse fuel tank with clean fresh Improper electrical conne tion kerosene see page 8 7 Inspect all electrical connections between transformer and c...

Page 16: ...excessive dust build up Clean with a non abrasive cloth if needed 4 Do not operate if the unit is cracked or damaged All fasteners should be properly seated USE AND CARE Unauthorized modification may impair the function and or safety of this device and could affect the life of the equipment Always check for damaged or worn out parts before using the device Store it in a secure place out of the rea...

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