Toyotomi DR-37 Troubleshooting guide

CONTENTS

IMPORTANT

READ AND UNDERSTAND INSTRUCTIONS BEFORE USING HEATER.

RETAIN INSTRUCTIONS FOR FUTURE REFERENCE.

This heater is designed to be used at altitudes up to 1,300m above sea level. Consult with your dealer otherwise.

SAFETY TIPS

FUEL GUIDE

ASSEMBLY AND OPERATION

CARE AND MAINTENANCE

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······························ 4

································· 9

REPLACEMENT OF PARTS

STORAGE

SPECIFICATIONS

COMPONENT PARTS

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······················································· 13

············································· 13

······································· 14

PORTABLE KEROSENE HEATER

OPERATION AND

MAINTENANCE INSTRUCTIONS

Model DR-37

DR-37_US.qxd 16.6.14 15:31 ページ a

SAFETY TIPS

BEFORE OPERATING YOUR HEATER, PLEASE review these safety tips:

RISK OF EXPLOSION

1. NEVER use any fuel other than clean kerosene (paraffin).

NEVER use gasoline (petrol). Use of gasoline (petrol) can lead to uncontrollable flames

resulting in destructive fire. Even kerosene (paraffin) contaminated with small amounts of

gasoline (petrol), or similarly volatile materials, can be hazardous. Never use a can for

kerosene (paraffin) that has previously been used for gasoline (petrol), paint thinner,

methylated spirit, or solvents.

2. The appliance is to be used only with paraffin, class C1 burner fuel in accordance with

BS 2869.

3. NEVER refill heater fuel tank when heater is operating or still hot. To do so may cause a

“flash back“ of flame to the fuel container, resulting in injury to yourself and your

property.

4. NEVER use heater in areas where flammable vapors or gases may be present.

Especially avoid use of heater where gasoline (petrol), naphtha, acetone or other volatile

solvents are in the air, or whose containers are open. Such vapors could be ignited by

the heater, resulting in fire and/or explosion.

5. NEVER fill heater fuel tank in living space. Fill heater tank outdoors. Never overfill your

heater. Always replace heater tank cap securely after refueling. Spillage of kerosene

(paraffin) produces strong odor which is hard to remove. Spillage on carpet can be

ignited if match or some other ignition source contacts it.

6. NEVER store or transport kerosene (paraffin) in other than a metal or plastic container that

is (1) acceptable for kerosene (paraffin), (2) non-red in color, and (3) clearly marked,

“KEROSENE (PARAFFIN)”. Never store kerosene (paraffin) in the living space. Picking up

a gasoline (petrol) can by mistake when fueling is a major cause of heater fires.

Store the kerosene (paraffin) out of reach of children in a safe container, marked

“KEROSENE” (“PARAFFIN”).

RlSK OF BURNS OR FIRE

1. Observe the heater carefully for 15-20 minutes after start-up. Problems of improper

adjustment of wick height or improperly seated heat chamber should become evident

during this warm up period.

NOTE: Carefully follow the instructions for lighting and adjusting the flame.

2. Due to high surface temperatures, keep away from children, furniture and clothing.

WARNING

DR-37_US.qxd 16.6.14 15:31 ページ 1

3. DO NOT use heater to heat or boil water or as a cooking appliance.

DO NOT place cooking utensils, tea kettles or any other object on top of heater while in

operation.

4. To avoid possible burns or fire, do not move, refuel or attempt to service your heater

while it is burning or still hot. If the heater is dropped while it is burning, fuel spillage and

flames outside the heater may occur.

5. DO NOT operate heater less than one (1) meter from walls, draperies, clothing, or

furniture. The operation of any heating appliance too close to such materials could cause

them to ignite, possibly resulting in a serious fire.

6. To avoid unstable burning, do not operate your heater in areas exposed to strong drafts.

DO NOT operate heater in high-traffic areas such as doorways or hallways where it may

be touched, jarred or tipped accidentally.

7. DO NOT operate heater in direct sunlight to avoid overheating, which may cause

abnormal flame behavior.

DO NOT allow room temperature to go above 25˚-30˚C. lf the room temperature exceeds

25˚-30˚C the flame may increase, thereby producing smoke.

8. Before going out, or at bedtime, turn the heater off, making sure the wick is in its lowest

position (see Extinguishing the Flame on page 8) and flame is completely extinguished.

RISK OF INDOOR AIR POLLUTlON

Use heater only in well-ventilated areas. People with breathing problems should consult a

physician before using the heater.

”In a house of typical construction, that is, one that is not of unusually tight construction due

to heavy insulation and tight seals against air infiltration, an adequate supply of air for

combustion and ventilation is provided through infiltration. However, if the heater is used in

a small room where less than 5.7m3(200 cubic feet) of air space is provided for each 1000

Btu per hour of heater rating (considering the maximum burner adjustment), the door(s) to

adjacent room(s) should be kept open or a window to the outside should be opened at least

25 mm (1 inch) to guard against potential buildup of indoor air pollution. DO NOT use the

heater in a bathroom or any other small room with the door closed.”

WARNING

DR-37_US.qxd 16.6.14 15:31 ページ 2

FUEL GUIDE

The RCA-37WX is designed for use with high-quality kerosene (paraffin). Use of low-quality kerosene (paraffin) will

cause wick performance to drop, leading to “Iow flame” and “odor problem” conditions.

The kerosene commonly known as “industrial kerosene (paraffin)” is not suitable for your heater.

Purchase only kerosene (paraffin) in non-red cans reserved exclusively for kerosene (paraffin) and marked accordingly

with the word “KEROSENE (PARAFFIN)”. Always store your kerosene (paraffin) in a separate area from where you

store gasoline (petrol) for your power equipment, to avoid accidental use of gasoline (petrol) in your heater.

What to Buy...

ALWAYS: Crystal clear, colorless, high quality KEROSENE (PARAFFIN).

ALWAYS: Kerosene (paraffin) free of contaminants, water or cloudiness.

NEVER: Gasoline (petrol), alcohol, white gas, camp stove fuel or additives.

NEVER: Yellow or sour-smelling fuel.

How to Use lt...

ALWAYS: Fill heater away from living quarters when heater is cool; use siphon.

ALWAYS: Check wick frequently for tar build-up. (Rapid, heavy build-up may

indicate poor quality or deteriorated fuel.)

ALWAYS: Watch fuel gauge to avoid over-filling heater.

How to Store lt...

ALWAYS: ln a clean container, clearly marked KEROSENE (PARAFFIN).

ALWAYS: AWAY FROM direct sunlight, heat sources or extreme temperature changes.

NEVER: ln a glass container, or one that has been used for other fuels.

NEVER: For longer than 6 months. (Begin each heating season with fresh

kerosene (paraffin); discard at the end of the season.)

NEVER: Accidental introduction of water into fuel containers.

Why lt is lmportant...

Pure, clean kerosene (paraffin) is essential for safe and efficient heater operation. Poor

quality or contaminated kerosene (paraffin) can cause:

●Low flame

●Excess tar deposits on the wick

●Reduced wick life

●Odor, smoke

●Difficulty in igniting or extinguishing flame

Use of a highly volatile flammable fuel such as gasoline (petrol) can produce

uncontrollable flames, creating a severe fire hazard.

Cardboard

packing

ASSE

INSPECTION AN

NOTE: Please save the shipp

1. REMOVE PACKING MATE

Open the grille by raisin

packing down by spread

packing, out of the cabine

2. REPLACE THE HEAT CHA

Remove the cardboard pa

heater.

Close the grille.

3. INSTALL THE BATTERIES

Locate the battery holder

●Insert the battery 4 “C

markings.

4. CHECK THE HEAT CHAM

If the chamber is raised, p

NOTE: If the heat chamber is

FUELING

NEVER use gasoline (petr

WARNING: Use only cle

Flames observed emerging from the heater body are a clear indication that fuel is dangerously contaminated

with gasoline (petrol) or other highly flammable material. If this occurs,

a. NEVER attempt to move the heater.

b. Call the Fire Department.

c. Use only a class “B” fire extinguisher.

d. NEVER throw water directly on a burning heater.

CAUTlON

DR-37_US.qxd 16.6.14 15:31 ページ 3

Heat

chamber

assembly

Cardboard

packing

ASSEMBLY AND OPERATION

INSPECTION AND ASSEMBLY

NOTE: Please save the shipping carton and packing materials for future storage of your heater.

1. REMOVE PACKING MATERIALS

Open the grille by raising the lower right hand corner of grille and pulling straight out. Slide the cardboard

packing down by spreading out to release the heat chamber assembly. Lift the heat chamber, in its protective

packing, out of the cabinet.

2. REPLACE THE HEAT CHAMBER

Remove the cardboard packing, and replace the heat chamber assembly. Point the wire handle to the front of the

heater.

Close the grille.

3. INSTALL THE BATTERIES

Locate the battery holder on the back of your heater.

●Insert the battery 4 “C” size batteries according to the plus (+) and minus (–)

markings.

4. CHECK THE HEAT CHAMBER

If the chamber is raised, put it down and inlay it.

NOTE: If the heat chamber is raised, it can cause smoke and soot.

FUELING

NEVER use gasoline (petrol) or other flammable liquids.

WARNING: Use only clean kerosene (paraffin).

DR-37_US.qxd 16.6.14 15:31 ページ 4

Fuel gauge

1. Open the fuel tank lid on the top of heater cabinet and lift out the removable fuel

tank. Turn the removable tank upside down and remove the fuel tank cap.

2. Insert the straight tube of the manual siphon into the kerosene container. Insert

the siphon’s flexible hose into the removable fuel tank opening.

3. Turn the air vent knob on the top of the siphon clockwise to close the vent. Start

the flow of kerosene by squeezing the bulb of the siphon vigorously six or seven

times. Once flow begins, it is no longer necessary to squeeze the bulb.

4. Watch the fuel gauge on the removable tank to avoid overfilling. When it shows

half, stop flow by turning the air vent knob counterclockwise.

NOTE: Be careful to avoid overfilling the tank, especially with very cold kerosene.

Overflow might occur due to expansion when the fuel warms up.

5. Remove the siphon carefully, allowing excess kerosene to drain from the tube back into the container. Replace

fuel tank cap and tighten it securely. Be sure to wipe away any spilled kerosene from tank and other heater parts.

6. After making sure fuel tank cap is tightly fastened, invert tank and replace into heater body.

CHECK BEFORE LIGHTING

1. LEVEL THE HEATER

The heater should be operated on a firm, level floor.

NOTE: If your heater is not level, change locations.

DO NOT prop it with books or other objects.

2. ENGAGE THE AUTOMATIC EXTINGUISHER

The automatic extinguisher is engaged automatically by turning the wick adjuster

knob clockwise.

LIGHTING

NOTE: When you first use yo

outside protected fro

on the burner parts.

This procedure is nec

NOTE:

If you have fueled y

for a long time, you

1. Turn the wick adjuster kno

It makes a spark discharg

the wick adjuster knob clo

As the wick rises within

resistance and makes a s

reached its proper height,

The wick adjuster knob ca

2. LIGHTING WITH A MATCH

You should not have to

necessary, open the grille,

touch the match to the top

DO NOT allow burned part

NOTE: To restore the automa

batteries.

3. Be sure that heat chambe

right. If the movement is c

not seated properly.

NOTE: An improperly seate

potential damage to

DO NOT leave the he

normally, which will b

DR-37_US.qxd 16.6.14 15:31 ページ 5

LIGHTING

NOTE: When you first use your new heater, ignite it out of the living area of your house, either in a garage or on area

outside protected from strong drafts. Burn it for about 15 minutes to remove all of the protective oil present

on the burner parts. If this 15 minutes “burn-in” is done inside, some objectionable odor will be observed.

This procedure is necessary ONLY THE FIRST TIME your ignite your heater.

NOTE:

If you have fueled your heater for the first time, or if you are refueling it after it has been out of fuel

for a long time, you will need to wait about 30 minutes for the wick to become fully saturated.

1. Turn the wick adjuster knob clockwise until it stops.

It makes a spark discharge sound in the process of lighting procedure, but turn

the wick adjuster knob clockwise until it stops.

As the wick rises within the heater, the wick adjuster knob turns with some

resistance and makes a sound like the winding of a clock. Once the wick has

reached its proper height, the automatic extinguisher is fully engages.

The wick adjuster knob can now move freely left or right to adjust the flame.

2. LIGHTING WITH A MATCH

You should not have to light the heater with a match, but should it become

necessary, open the grille, lift the heat chamber up by holding the wire handle and

touch the match to the top of the wick.

DO NOT allow burned parts of the match to fall or remain on the wick.

NOTE: To restore the automatic igniter system to proper operation, replace worn out

batteries.

3. Be sure that heat chamber is properly seated by moving the wire handle left and

right. If the movement is cough and jerky, it indicates that the heat chamber has

not seated properly.

NOTE: An improperly seated heat chamber can cause high flame, smoke, and

potential damage to the heater itself.

DO NOT leave the heater until you have determined that the flame is burning

normally, which will be described in the following section.

DR-37_US.qxd 16.6.14 15:31 ページ 6

ADJUSTING THE FLAME

1. After lighting, wait for the heat chamber to reach operating temperature. This will take ten-fifteen minutes, after

which the flame will be visible through the glass cylinder.

2. CHECK THE FLAME LENGTH

Look at the flame and check its length. Flame length is not necessarily even or uniform around the circumference

of the center disk. Some areas may be lower than others, but on maximum wick height, flame length should

average between 1 cm (3/8 in.) to 2.5 cm (1 in.).

lf necessary, raise or lower the wick by turning the wick adjuster knob to produce the proper flame condition.

NOTE: DO NOT operate your heater wick set TOO LOW or TOO HIGH. Doing so will decrease combustion effciency

and increase production of unwanted emissions. When operating heater, be sure wick is high enough to

keep the primary heat chamber heated to a uniform red glow from its top bottom.

3. ADJUSTMENT OF MAXIMUM WICK HEIGHT.

After using the heater over a long period of time, you may observe that flame length in the heat chamber does

not reach its normal level several minutes after lighting. When this conditin is observed, it means that the wick

height needs adjusting using the unique wick life extender.

To adjust the wick height using the wick life extender mechanism, first release the

automatic extinguisher by pushing the manual shutoff button.

Pull the wick adjuster knob out completely. (It can be removed completely from

its shaft.)

Most efficient

combustion

BAD GOOD GOOD BAD

TOO HIGH

Produces smoke

and soot

CORRECT

(Maximum)

CORRECT

(Minimum)

TOO LOW

Produces odor

The wick height adjuster kno

seen. The stem pin is engag

and change the location of

pin 1to 2will raise the

adjustment, replace the wick

When suitable flame length

time to clean and replace t

OPERATION OF THE AUT

HEATER.

NOTE: NEVER use position

flame length.

EXTINGUISHIN

1. Turn the wick adjuster kno

half turn. At this point, the

NOTE: DO NOT use the a

Automatic extinguis

tipped. Using the a

odor, smoke and soo

2. Make sure the flame is ou

3. DO NOT try to relight the

off as this may cause smo

MANUAL SHO

When quick shutoff is neces

NOTE: For routine turn-of

Automatic Extinguis

unwanted odor, soo

used for normal shot

DR-37_US.qxd 16.6.14 15:31 ページ 7

The wick height adjuster knob, with three small holes marked 1, 2, and 3, can be

seen. The stem pin is engaged in one of the holes. Pull the control dial toward you

and change the location of the pin from 1to 2, or from 2to 3. Each step from

pin 1to 2will raise the maximum wick height by 2 mm per step. After this

adjustment, replace the wick adjuster knob.

When suitable flame length can no longer be achieved even on pin position 3, it is

time to clean and replace the wick. AFTER REPLACING THE WICK, CHECK THE

OPERATION OF THE AUTOMATIC EXTINGUISHER BEFORE LIGHTING YOUR

HEATER.

NOTE: NEVER use positions 2or 3until position 1no longer gives adequate

flame length.

EXTINGUISHING THE FLAME

1. Turn the wick adjuster knob counterclockwise until it stops. This requires about a

half turn. At this point, the flame is completely extinguished and the heater is off.

NOTE: DO NOT use the automatic extinguisher to routinely turn off the heater.

Automatic extinguishing should occur only when the heater is jarred or

tipped. Using the automatic extinguisher to turn off the heater will cause

odor, smoke and soot.

2. Make sure the flame is out completely.

3. DO NOT try to relight the heater for at least three (3) minutes after extinguishing it

off as this may cause smoke and odor.

MANUAL SHOTOFF

When quick shutoff is necessary, push the manual shutoff button.

NOTE: For routine turn-off, DO NOT use the Manual Shutoff or activate the

Automatic Extinguisher by jarring the heater. These methods may cause

unwanted odor, soot and smoke. Only the wick adjuster knob should be

used for normal shotoff.

Wick hight

adjuster knob

Stem pin

DR-37_US.qxd 16.6.14 15:31 ページ 8

REP

REPLACING TH

1. Remove the fuel tank asse

And remove the four (4)

holder.

3. Pull out the wick adjuster

4. Remove the three (3) scre

of the cabinet by using

the cabinet off, bringing it

5. Remove the hour (4) wing

2. After the heat chamber

push the manual shutoff

grille and remove the heat

WARNING: Before disa

6. Lift the wick holder off the

CARE AND MAINTENANCE

As with any good appliance, preventive as well as corrective maintenance is occasionally required. Please read the

following section carefully in order to enjoy the greatest benefits from your heater.

INSPECTlON OF THE WlCK

NOTE: One of the simplest but also the most important components of your heater is the wick.

With proper attention, the wick will last at least one heating season and, depending on the quality of the

fuel used, possibly longer, it helps to perform routine maintenance operations on the wick.

1. lndications that the wick may need attention are:

●low flame

●tar deposit on the top edge of the wick

●difficulty in turning the wick adjuster knob

●a flickering or dying flame

2. Clean the wick by burning dry as follows:

1) Lift out the removable fuel tank before turning heater on. Raise the wick to its highest position, ignite heater as

usual, and allow the flame to consume the ramaining fuel in the fuel sub tank.

NOTE: Burning the wick dry can at times create odors. For the burning dry procedure, remove your heater from

the living area of your house into a well-ventilated area such as a garage or even a sheltered area

outside. If you burn the wick dry outside, be sure that the heater is not exposed to strong drafts during

the procedure.

After the heater has cooled completely, remove the cabinet as described in items 1 through 4 of the next section.

3) Remove any residue from the wick with a small brush such as an old toothbrush. Cinders or soot in the burner

around the wick may be vacuumed away. Be careful when removing such material from the wick with a brush,

to do so gently so as not to tear the top surface of the wick.

4) Remove any tar deposits on the top of wick holder and primary air tube using a scraper.

NOTE: When good wick performance is no longer achieved by the burning dry process, it may be necessary to

replace the burned wick with a new one.

5) Before reassembling the heater, take a few minutes to wipe the parts with a soft cotton cloth or paper towels.

6) Reassemble the heater, following directions in item 15 of the next section.

NOTE: If the flame is still low after cleaning the wick, the wick may contain some water. It is then necessary to

replace the wick and empty all kerosene from the removable fuel tank and the fuel sub tank. Dry the tank

thoroughly and refill with fresh, pure kerosene.

DR-37_US.qxd 16.6.14 15:31 ページ 9

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