Thermoheat RMC-KFA75TL User's Manual And Operating Instructions

Marque: Thermoheat

Modèle: RMC-KFA75TL

Catégorie: Chauffe-eau

Taper: User's Manual And Operating Instructions

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THERMOHEAT

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 A10.10-1990

CAN/CSA/B140.0-03 AND CSA

B140.8-1967

MODEL : RMC-KFA75TL, RMC-KFA125TL, RMC-KFA210TL

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 OFBURNS/FIRE/EXPLOSION!

• NEVERuse any fuel other than 1-K kerosene, #1 disel/fuel oil in this heater.

• NEVERuse fuel such as gasoline, benzene, paint thinners or other oil compounds in this heater.

(RISKOFFIREOREXPLOSION)

• NEVERuse this heater where flammable vapors may be present.

• NEVERrefill 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)

• NEVERblock air inlet (rear) or air outlet (front) of heater.

• NEVERuse duct work in front or behind of heater.

• NEVERmove, handle, service a hot, operating or plugged in heater.

• NEVERtransport 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.

• ALWAYSlocate heater on a stable a

nd level

surface.

• ALWAYSkeep 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.

• ALWAYSinstall the heater so that it is not directly exposed 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.

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 14

11. TROUBLE SHOOTING GUIDE 15

12. WIRING DIAGRAM 16

13. SPECIFICATIONS 17

14. EXPLODED PARTS DRAWING 18

15. PARTS LIST 20

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

BTU Control Knob

Cord Wrap

Pressure Gauge

Fuel Gauge

Fuel Cap

Front Guard

Hot Air Outlet

Lower Shell

Fuel Tank

Side Cover

Lamp

Thermostot Knob

Power/Reset Switch

Power Cord

(Piggy Back)

Upper Shell

Handle

Figure 1. RMC-KFA75TL MODEL

NEVER LEAVE THE HEATER

UNATTENDED WHILE BURNING!

Figure 2. RMC-KFA125TL MODEL

Figure 3. RMC-KFA210TL MODEL

Hot Air Outlet

Shell Lower

Fuel Gauge

Fuel Cap

Side Cover

Lamp

Thermostot Knob

Room Temp. Display

Power/Reset Switch

Pneumatic Wheel

Hot Air Outlet

Shell Lower

Fuel Gauge

Fuel Cap

Side Cover

Lamp

Thermostot Knob

Room Temp. Display

Power/Reset Switch

Pneumatic Wheel

Front Handle

Upper Shell

Front Handle

Upper Shell

Electric Outlet

Rear Handle

Cord Wrap

BTU Control Konb

Pressure Gauge

Fan Guard

Power Cord

(Piggy Back)

Drain Plug

Rear Handle

Cord Wrap

BTU Control Konb

Pressure Gauge

Fan Guard

Power Cord

Drain Plug

NEVER LEAVE THE HEATER

UNATTENDED WHILE BURNING!

Figure 5. RMC-KFA125TL/ RMC-KFA210TL MODELS

Handle Cord Wraps

Hardware Kit

HW-KFA1001

BTU Control Valve

Cord Wraps

Wheel Support Frame

Rear Handle

Axle

Front Handle

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. RMC-KFA75TL MODEL

RMC-KFA75TL RMC-KFA125TL

RMC-KFA210TL

Wheel Support Frame No Yes Yes

Axle No Yes Yes

Front Handle No Yes Yes

Rear Handle No Yes Yes

Handle Yes No No

Cord Wrap Yes Yes Yes

BTU Control Valve Yes Yes Yes

Hardware kit : HW-KFA1001 Yes No No

Hardware kit : HW-KFA1013 No Yes Yes

Wheels

Screws L&S Flange Screws

Nuts Bushings Cap Nuts

Hardware Kit : HW-KFA1013

NEVER LEAVE THE HEATER

UNATTENDED WHILE BURNING!

2. ASSEMBLY

For RMC-KFA75TL Model 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 Figure 6.

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.

5) Secure cord wrap with Screws with provided.

2. Assembling BTU Control Valve.

1) Align slit hole on body of Valve with Tab on the

End Filter Cover as shown in figure 7.

2) Insert hooked leg of valve fully into slot of End

Filter Cover so that hooked leg is completely

locked to Slot.

NOTE : When install valve to End Filter Cover, If valve

is assembled for incorrect knob direction, Hooked leg is

not completely locked to slot.

Tools Required

• Medium Phillips Screwdriver.

• 19

Socket Wrench

1. Assembling Handle & Wheel and Cord Wrap

1) Slide axle through wheel support frame.

Install wheel bushings and wheels on axle

NOTE : When installing wheels, tube valve should face

out from support frame (Figure 8.)

2) Attach Cap Nuts on axle ends and tighten with

Socket Wrench.

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 mounging 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

Figure 7. Assembling BTU Control Valve

Handle

Screw

Frong Guard

Slit Hole

Cord Wrap

Screw

correct

Incorrect

BTU Control Valve

End Filter Cover

Tab

Slit Hole

Slot

Hooked Leg

Side Cover

Suppotor

Knob direction when install

valve to End Filter Cover.

Wedged Portion

2. Assembling BTU Control Valve.

Assemble by method previous page for model RMC-KFA75TL.

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 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 8. 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.

Front Handle

Hot Air Outlet

Fuel Tank Flange

Nut

Wheel Support Frame

Wheel(Pneumatic)

Cap Nut

Nut

Rear Handle

Air Inlet

Axle

Wheel Bushing

Flange Screw

Cord Wrap

Screw-S

Screw-L

Wheel Tube Valve

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.

NEVER LEAVE THE HEATER

UNATTENDED WHILE BURNING!

Internal Shut-Off Temp. Reset Temperature

MODELS

Plus/Minus 10 Degrees Plus/Minus 10 Degrees

RMC-KFA75TL

176˚F/80˚C 122˚F/50˚C

RMC-KFA125TL

230˚F/110˚C 194˚F/90˚C

RMC-KFA210TL

194˚F/90˚C 140˚F/60˚C

FUSE TYPE: All Models 125 volt / 8 amps

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 (2,800 sq. cm) for each 100,000 BTU/Hr.

rating. Provide extra fresh air if more heaters are being used.

Example : A RMC-KFA210TL 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 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. Turn “THERMOSTAT CONTROL Knob” to desired setting (setting range : 40˚F ~ 110˚F)

and Turn “BTU control Knob” to desired level “High or LOW” (See Figure 9.)

5. Push Power Switch to “ON” position, Power lndicator Lamp will light and heater will start.

NOTE : Room Temp. display indicates as following (RMC-KFA125TL/210TL Models only)

• when room temp. is less than 0 ; “L”

• when room temp. is between 0 and 99 ; Indicates in figure.

• when room temp. is more than 99

; “Hi”

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.

NOTE : User can change BTU LEVEL “High or Low” while in operation by turnig BTU Control Knob.

If heater is operated by HIGH BTU LEVEL, Turn BTU Control Knob 90

to clockwise.

If heater is operated by LOW BTU LEVEL, Turn BTU Control Knob 90 to counter clockwise.

NEVER LEAVE THE HEATER

UNATTENDED WHILE BURNING!

Figure 9. Controls for All Models

Power/Reset

Switch

RMC-KFA75TL Model

RMC-KFA125TL/210TL Model

Room Temp. Display

Power/Reset

Switch

Thermostat

Control Knob

Thermostat

Control Knob

Lamp

Fan Guard

BTU Control Knob

BTU

Control Knob

NEVER LEAVE THE HEATER

UNATTENDED WHILE BURNING!

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.

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 ST

ORAGE OF YOUR HEATER

FUEL TANK DRAIN

1. Drain fuel tank through fuel cap opening.

(For RMC-KFA75TL Model Only)

2. Remove drain plug from rear bottom side of fuel tank by pulling plug grip downward and drain.

(For RMC-KFA125TL/210TL Models Only. See Figure 11)

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 RMC-KFA75TL Model Only)

5. Reinstall Drain Plug as follows.

(For RMC-KFA125TL/210TL Models Only. See Figure 12)

- 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.

• 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 11. Drain Plug Removal Figure 12. Drain Plug Reinstall

Drain Plug

Plug Grip

Drain Hole

Seal Head

Head Hole

Seal Cap

Cap Flange

Head Flange

Cover Cover

Outlet

Fuel Tank

Head Flange

Rear bottom side

of Fuel Tank

RMC-KFA210TL Model only RMC-KFA75TL/125TL Models only

Figure 10. Electric Outlet

Outlet

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).

- 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.

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 13 Air Intake Filter Access

Figure 14 Air Outprt Filter Access

Figure 15 Fan Assembly

Upper Shell

Screw

Fan Guard

Air Intake Filter

Flush

Motor

Blade

Fan

Lint Filter

Pressure Gauge

Air Intake Filter

Air Output Filter

End filter cover

Set screw

Motor Shaft

NEVER LEAVE THE HEATER

UNATTENDED WHILE BURNING!

E.) NOZZLE

REMOVE DIRT IN NOZZLE AS NEEDED (SEE PAGE 16).

(For RMC-KFA75TL/125TL Models Only)

- Remove upper shell (See page 10).

- 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)

- Reinstall 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.

(For RMC-KFA210TL Model Only)

- Remove upper shell (See page 10).

- Remove fan (See page 10).

- Remove fuel and air line hoses from adaptor-nozzle.

- Remove ignitor wire from spark plug.

- Remove four screws using medium phillips screwdriver

and remove burner-bracket from combustion chamber.

- Remove spark plug from burner head using medium

phillips screwdriver.

- Carefully remove nozzle from adaptor-nozzle using 5/8”

socket wrench.

- Blow compressed air through face of nozzle.

(this will remove any dirt in nozzle)

- Reinstall nozzle into adaptor-nozzle and tighten firmly.

(80~110 inch-pounds)

- Reinstall spark plug in spark-bracket.

- Attach burner-bracket to combustion cahmber.

- Attach ignitor wire to spark plug.

- Attach fuel and air line hoses to adaptor-nozzle.

- Reinstall fan blade and upper shell.

Combusion chamber

Burner Bracket

Screw

Ignitor Wire

Fuel Line Hose

Bracket Burner

Bracket Spark

Fuel Line

Fitting

Spark Plug

Air Line Fitting

Air Line Hose

Nozzle Face

Nozzle

Spark Plug

Figure 17. Nozzle Replacement

Figure 16. Nozzle Replacement

Fuel Line

Air Line

Burner Head

Nozzle

Nozzle Face

Ignitor Wire

Spark Plug

Burner Head

Screw

Combustion Chamber

NEVER LEAVE THE HEATER

UNATTENDED WHILE BURNING!

F.) SPARK PLUG

CLEAN AND REGAP EVERY 600 HOURS

OPERATION OR REPLACE AS NEEDED.

(For RMC-KFA75TL/125TL Models Only)

- 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.

- Reinstall spark plug in burner head.

- Attach ignitor wire to spark plug.

- Reinstall fan and upper shell.

(For RMC-KFA210TL Model Only)

- Remove upper shell (See page 10).

- Remove fan (See page 10).

- Remove ignitor wire from spark plug.

- Remove spark plug from spark-bracket using medium

phillips screwdriver.

- Clean and regap spark plug electrodes to 3.5mm gap.

(0.138 )

- ReInstall spark plug in spark-bracket.

- 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 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

Brocket

Photocell

Lens

Incorrect Correct

Photocell

Wire

Power

Switch

Screw

Side Cover

Bracket Burner

Burner Head

Spark Plug

GAP

Spark Plug

Ignitor wire

Figure 18. Spark Plug Regap

Figure 19. Spark Plug Regap

Ignitor Wire

Bracket Spark

Spark Plug

Figure 20. Photocell Replacement

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 (RMC-KFA75TL Model only).

- Turn fuel filter 90˚ to clockwise and pull to remove

(RMC-KFA125TL/210TL 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

NOTE: Low BTU level pump pressure is

increased or decreased according to High

BTU level pump pressure, So, In case

need Pump pressure adjusting, Only

adjust high BTU level Pump Pressure.

- Turn BTU CONTROL Knob to HIGH BTU Level.

(See Operation, page 8)

- 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 decrease

pressure.

- Set pump pressure to correct High BTU level

pressure for each model

- 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

operation condition.

Pump Pressure

High BTU level Low BTU level

RMC-KFA75TL 3.8 psi 2.7 psi

RMC-KFA125TL 5.5 psi 3.5 psi

RMC-KFA210TL 8.5 psi 6.5 psi

Pressure Gauge

Relief Valve

Fuel Filter

Fuel line

Switch Wires

Screw

Side Cover

Power Switch

Flat blade

Screw

driver

NEVER LEAVE THE HEATER

UNATTENDED WHILE BURNING!

Figure 21. Fuel Filter ReplacementFigure 21. Fuel Filter Replacement

Figure 22. Adjusting Pump Pressure

MODEL

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 23.)

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 23. Replacing Fuse

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. Ignitor 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 ignitor 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!

12. WIRING DIAGRAM

A) WIRING DIAGRAM (RMC-KFA75TL/RMC-KFA125TL)

MODEL CAPACITOR

1/G WIRE

COLOR

75TL 12uF/230VAC

BLACK

RED

125TL 30uF/250VAC

BLACK

WHITE

B) WIRING DIAGRAM (RMC-KFA210TL)

NEVER LEAVE THE HEATER

UNATTENDED WHILE BURNING!

RMC-KFA75TL Model

RMC-KFA125TL / RMC-KFA210TL Models

43.5"(1105 )

24.6"(625

)

26.6"(675 )

KFA125TL

KFA210TL

37.5"(953 )

25.0"(633

)

23.0"(584

)

MODEL RMC-KFA75TL RMC-KFA125TL RMC-KFA210TL

HIGH 75,000 125,000 210,000

LOW 55,000 100,000 170,000

HIGH 0.57(2.16) 0.95(3.60) 1.6(6.10)

LOW 0.42(1.59) 0.76(2.88) 1.3(4.92)

Fuel Tank Capacity - Gal.

(

./Hr)

5(18.9) 10(37.9) 13(49.2)

HIGH 3.8(0.27) 5.5(0.39) 8.5(0.60)

LOW 2.7(0.19) 3.5(0.25) 6.5(0.46)

Volt/Hz 120Vac/60Hz 120Vac/60Hz 120Vac/60Hz

Amps. 1.6 2.5 3.7

Phase 1 1 1

32.0

11.7 16.7 37.5 23.0 25.0 43.5 24.6 26.6

813 297 424) 953 584 633) 1105 625 675)

Weight Lbs.(

) 26.5(12.0) 52.0(23.5) 62.0(28.0)

13. SPECIFICATIONS

Fuel Consumption

- Gal./Hr(

./Hr)

Pump Pressure PSI(kgf/

)

BTU/Hr.

Size(D W H), Inch( )

NEVER LEAVE THE HEATER

UNATTENDED WHILE BURNING!

14. EXPLODED PARTS DRAWING (RMC-KFA75TL/125TL Models Only)

NOTE : SPECIFY MODEL NUMBER AND PART NUMBER WHEN ORDERING PARTS.

NEVER LEAVE THE HEATER

UNATTENDED WHILE BURNING!

14. EXPLODED PARTS DRAWING (RMC-KFA 210TL Model Only)

NOTE : SPECIFY MODEL NUMBER AND PART NUMBER WHEN ORDERING PARTS.

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Thermoheat RMC-KFA75TL User's Manual And Operating Instructions

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Modèle: RMC-KFA75TL

Catégorie: Chauffe-eau

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