Toyostove Laser 30 Type B User manual

LASER CLEAN HEATING SYSTEM/VENTED HEATER
INSTALLATION AND OPERATION INSTRUCTIONS
LASER CLEAN VENTED
MODEL Laser 30
(Type B)
CONTENTS
IMPORTANT
READ AND UNDERSTAND INSTRUCTIONS BEFORE INSTALLING OR USING HEATER.
RETAIN INSTRUCTIONS FOR FUTURE REFERENCE. CHECK LOCAL CODES AND ORDINANCES FOR PERMITTED USE.
SECTION A:
Specifications 2
SECTION B:
Safety Tips for Operation 3
SECTION C:
Fuel Guide 4
SECTION D:
Operating Controls and Part Names 5
SECTION E:
Operation
Before Ignition 8
Operation 8
Turning Heater Off 11
SECTION F:
Routine Maintenance 12
SECTION G:
Troubleshooting 14
SECTION H:
Long Term Storage 15
SECTION I:
Installation
Tools Needed for Installation 16
Standard Installation Parts 16
Accessary Parts 18
Safety Tips for Installation 21
Installation of Heater and Flue Pipe 22
Permanent Wiring Installation 28
SECTION J:
Fueling 29

Model: Laser 30
Heater Efficiency: 90% (1)
Heat Rating: High - 14,800 BTU/h
Med - 10,000 BTU/h
Low - 5,200 BTU/h
Fuel Consumption: High - 0.108 gal/h
Med - 0.076 gal/h
Low - 0.040 gal/h
Fuel system: External tank (2)
Fuel Type:
ASTM D3699 1-K Kerosene or ASTM D396 No.1 Fuel Oil
Dimensions (W ×H ×D): 16-15/16“ ×21-3/4“×13-9/16“
Weight: 31 lbs. Empty
Vent Pipe Hole: 2-3/4“~ 3“diameter
Maximum Length of Vent Pipe System: 10 ft., 3 bends or less
Electrical Rating: 120 Volts AC, 60 Hz
Preheat - 260W
Burning - 26W
Typical Room Size (3): 600 square feet (0°F)
720 square feet (20°F)
(1) Heat and vaporized water are produced by the combustion process of this kerosene heater. This rating
does not take into account heat loss due to condensation of water vapor.
(2) External tank to be purchased from local suppliers.
(3) 0°F Heat Load = 24 BTU/ft2/hr
20°F Heat Load = 20 BTU/ft2/hr
Room size for which this heater is suitable will vary depending on outside temperature, house insula-
tion, window size, and other factors.
2
SECTION A:
SPECIFICATIONS

1. Never use any fuel other than ASTM D3699 1-K Kerosene or ASTM D396
No.1 Fuel Oil. NEVER USE GASOLINE. Use of gasoline can lead to uncon-
trollable flames, resulting in destructive fire.
2. Due to high surface temperatures, keep heater away from children, furniture
and clothing while in operation (See Page 22).
3. To prevent abnormal operation and prolong heater life, be sure to perform
routine maintenance (See Pages 12-13).
4. Never store or transport fuel in other than a metal or plastic container that is
(1) acceptable for fuel, (2) non-red in color, and (3) clearly marked,
“KEROSENE”or “NO. 1 FUEL OIL”. Never store fuel in the living space.
5. Operating Temperature Range
Use heater within the range of temperatures
indicated in the right figure.
Point A: If outside temperature -20°F
than room temperature has to be 0°F or above
Point B: If outside temperature -45°F
than room temperature has to be 60°F or above
3
SECTION B:
SAFETY TIPS FOR OPERATION
CAUTION: Heater and vent pipe system must be properly installed before operation. Please follow
instructions under “Installation”, Section I.
0 204060
-20 A
B
Room Temperature (˚F)
Outside Temperature (˚F)
-25
-30
-35
-40
-45
Operating Range

The Toyostove Laser 30 is designed for use with ASTM D3699 1-K Kerosene or ASTM D396 No.1 Fuel Oil. Use of
low-quality fuel will cause burner performance to drop, leading to abnormal combustion and reduced heater life.
Purchase only ASTM D3699 1-K Kerosene or ASTM D396 No.1 Fuel Oil in non-red cans reserved exclusively for fuel
and marked accordingly with the word “KEROSENE”or “NO. 1 FUEL OIL”. Always store your fuel in a separate
area from where you store gasoline for your power equipment to avoid accidental use of gasoline in your heater.
What to Buy . . .
ALWAYS : Clean and high-quality ASTM D3699 1-K Kerosene or ASTM
D396 No.1 Fuel Oil.
ALWAYS : Fuel free of contaminants, water or cloudiness.
NEVER : Gasoline, alcohol, white gas, camp stove fuel or additives.
NEVER : Yellow or sour-smelling fuel.
How to Store It . . .
ALWAYS : Store in a clean container, non-red in color, clearly marked
KEROSENE or NO. 1 FUEL OIL.
ALWAYS : Store away from direct sunlight, heat sources or extreme tem-
perature changes.
NEVER : In a glass container, or one that has been used for other fuels.
NEVER : For longer than six months. Begin each heating season with
fresh fuel; discard at the end of season.
NEVER : In the living space.
Why It is Important . . .
Pure, clean fuel is essential for safe and efficient heater operation. Poor
quality or contaminated fuel can cause:
¡Excess tar deposits on burner and flue pipe
¡Incomplete combustion
¡Reduced heater life
Use of a highly volatile flammable fuel such as gasoline can produce uncon-
trollable flames, creating a severe fire hazard.
4
SECTION C:
FUEL GUIDE

Before using heater, familiarize yourself with the following operating controls and names.
5
SECTION D:
OPERATING CONTROLS AND PART NAMES
Ciraulation air filter 13. Circulating fan
Rear cover (left)
13. Room
temperature sensor
Pipe stopper
Outlet mouth
Inlet mouth
14. Power supply cord
Fuel inlet
Rear cover
(right)
Rear cover
(upper)
Control panel
Front panel
Louver
15. Plumb bob
Reset button
Fuel strainer
(inside)
Drip trayAdjustable leg
9. Digital indicator
3. Timer button 2. Power saver button 1. ON/OFF switch
5. Power lamp
6. Power saver lamp
8. 1st TIMER lamp
7. 2nd TIMER lamp
10. Temperature lamp
11. AM lamp
12. PM lamp
4. Temp. / Timer / Clock set

1. ON/OFF switch: Main switch turns heater on and off. When switched on, heater
begins operation and combustion starts after preheat period.
2. Power Saver button: The button turns Power Saver operation mode on and off.
3. Timer button: The button turns Timer operation mode on and off.
4. Temp./ Timer/Clock set: Temp./Timer/Clock set modes can be set by pressing UP/HOUR or
DOWN/MIN buttons.
5. Power lamp: Lit - Heater is in operation.
Flashing - Pre-heating and pre-purging.
6. Power Saver lamp Heater operating in Power Saver mode.
7. 2nd Timer lamp: Heater operating in 2nd Timer setting mode.
8. 1st Timer lamp: Heater operating in 1st Timer setting mode.
9. Digital indicator: Displays clock, set temperature, room temperature and error code.
10. Temperature lamp: Lit - Digital Indicator shows set and room temperature.
Flashing - Set temperature can be changed.
11. AM lamp / PM lamp Lit - Digital Indicator shows current time.
Flashing - Current time can be changed.
12. Circulation fan: Three speed motor supplies high-capacity warm air flow during high
combustion for heating room up quickly, and low or medium-capaci-
ty warm air flow during low or medium combustion for maintaining
comfortable room temperature.
13. Room temperature sensor: Constantly senses room temperature and supplies information to
heater so that desired room temperature can be maintained.
14. Power supply cord: For use in 120V, AC electrical outlet.
15. Plumb bob: Allows user to check if heater is level.
6

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20479546
20479660
20479676
20479563
20479564
20479551
20479553
20479550
20450007
20479540
20479566
20479529
20479570
20479552
10005597
20479592
20479510
20479581
20479509
20479508
20479582
20479593
20479543
20479542
20479594
20474011
20479573
20479612
20474083
20475834
20479518
17185580
20474920
20475831
20475881
20479544
20479591
20479530
20479531
20479637
20479683
20479669
20479671
20478317
20478306
20478534
20479519
20479541
20475535
20478373
20479891
20479521
20479513
20474955
20479574
20450120
20474052
20474051
20475553
20450017
20479556
20474050
20474048
20479585
20474925
20479584
20474975
20474951
20474977
20479511
20479567
20479568
20479586
20455862
20479695
20479699
Front panel assembly
Top plate assembly
Indicator lamp circuit
Right side panel
Left side panel
Rear guard right
Rear guard left
Rear guard top
Plumb bob
Circulation air filter
Rear panel
Drip tray
Adjustable leg
Leveler fuel pipe
Fusible link valve
Joint gasket
Heat chamber cover
Upper gasket
Heat chamber assembly
Heat element
Lower gasket
Heat chamber gasket
Burner ring
Burner assembly
Burner gasket
Primary flame rod
Burner thermistor
Main circuit board
Fuel nozzle gasket
Fuel nozzle
Igniter
Igniter gasket
Igniter cover
Mica window
Peep window gasket
Heat exchanger
Relief gasket
Pressure relief plate
Relief spring
Blower motor assembly
Air intake fan
Circulation fan motor
Circulation fan
Transformer
High limit switch
Fuel sump
Fuel pump
Fuel pipe assembly
Power supply cord
Thermistor
Standard flue pipe
Igniter guide gasket
Burner mat
Insulating cloth cover
Blower motor gasket
Screw for igniter unit
Screw E
Screw D
Screw 1P
Screw 1A
Screw 1M
Screw C
Screw B
Outside nozzle gasket
Oil catch
Bent joint
L-shaped hose
Inlet hose
Hose band
Flame rod gasket
Air damper
Air joint gasket
Draft tube
Screw S2
Instruction manual
Carton
REF # PART # PART NAME REF # PART # PART NAME REF # PART # PART NAME
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8
6
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4
50
67
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6769
69
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46
59
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49
34
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33
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31 32 52
24
60
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41
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28
62
74
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62
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36
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53
13
25
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3
45
56
58
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1172
40
61
30
64 62
66 54
73
55
42
43
26
70
62 65
1
2

BEFORE IGNITION
1. Open the Valve(s)
Open the valve(s) of the external fuel tank.
2. Start the Fuel flow
If using heater for the first time, or after heater has been out of fuel, press
the red reset button once for a period of one second in order to send fuel
to the fuel sump.
Note: Make sure there is no fuel leakage from the fuel line or joints.
Also make sure fuel tank is not too high. See installation instructions.
3. Plug in the Heater
Plug heater into a 120V AC electrical outlet. On digital indicator pre-set
“Two Dashes”will be showing.
Note: Do not connect to an outlet shared with other appliances.
4. Set Clock
Important: Clock on the heater must always be set to current time.
Press “HOUR”and “MIN”button to correct time.
Note: “HOUR”or “MIN”button will change the time every one (1) unit.
Holding the button continuously will cause the time to change rapidly.
Note: In the event of a power failure (more than approx. 20 min.) all clock and timer setting are can-
celled.
OPERATION
MANUAL OPERATION
Operation of the heater is under the direct control of the user. Heat output will, however, be automatically
adjusted in accordance with the room temperature registered by the temperature sensor.
8
SECTION E:
OPERATION
Reset button

1. Turn Heater ON
A. Press ON/OFF switch to “ON”position. The current room temperature and the set temperature will
be shown on the digital indicator. POWER lamp will start to flash and then blower motor and ignition
will start. This lamp will continue to flash during the preheating time.
B. After approx. 1.5 –4 minutes ignition will take place. (*) After ignition, power lamp will change flash-
ing to continuous. Circulation fan will turn on after approx. 2 minutes.
Note: (*) Pre -heating depends on the room temperature.
Room temperature: below 34°F Approx. 4 minutes
34°F - 61°F
”
2 minutes
over 61°F
”
1.5 minutes
2. Adjusting Room Temperature
A. Press “UP”or “DOWN”button. Temperature lamp will start to flash.
Note: “UP”or “DOWN”button will change the temperature every 2°F.
B. Press “UP”or “DOWN”button as required. Room temperature can be set from 50°F to 90°F. (Initial
setting : 70°F)
Note: Desired temperature setting will be displayed on the digital indicator when you set the room
temperature.
C. When room temperature reaches the selected setting, heater will automatically shift to “MED”or
“LOW”burning mode to maintain the desired temperature.
When room temperature exceeds the selected setting by approx. 4°F, the heater will automatically
shut off. As room temperature drops, the heater will automatically re-start to maintain the desired
temperature.
9
Approx. ＋4˚F
Approx. ＋1˚F
SET
TEMP.
High Medium Low Off Re-lgnition

POWER SAVER OPERATION
The Power Saver mode reduces the frequency of ignition actions, to save electric consumption.
Press the POWER SAVER button “ON”to start the operation of the “POWER SAVER”.
When the room temperature exceeds the selected setting by approximately 10°F, the heater will automatical-
ly shut off. As the room temperature becomes lower than the selected setting, the heater will automatically
re-start to maintain the desired temperature.
TIMER OPERATION
“TIMER”operation is programmed for particular time of hour and temperature, in order to save energy
when the heater is used at night or while you leave home.
NOTE: The Laser 30 has a dual timer feature (this is not an automatic setback).
The timer feature allows a user to manually lower the temperature (set by user) until a certain time of day
(set by user) by pressing a timer button. This button must be pushed each time you want the temperature to
drop back. It is not automatic. There are two timer buttons on the Laser 30, 1st timer and 2nd timer. This
allows for two different temperature drop backs per 24 hour period.
Example 1st Timer:
Your normal room temperature is set for 70 degrees. You
work from 8 am until 5 pm. You want the room temperature to
drop to 62 degrees while you are at work and you want the
room to return to 70 degrees at 4 pm so it will be warm when
you get home. When you leave for work you must press the
1st timer button to activate the timer. The temperature will
drop to 62 degrees and return to 70 degrees at 4 pm.
Example 2nd Timer:
Your normal room temperature is set of 70 degrees. When
you go to bed, you want the temperature to drop to 65
degrees. You get up at 6 am and want the room warm
when you get up. When you go to bed, you must push the
2nd timer button to activate timer. The temperature will
drop to 65 degrees and stay there until the time at which
you set (5:00 am) the until to return to normal temperature.
10
Approx. ＋10˚F
Approx. ＋1˚F
SET
TEMP.
High Medium Low Off Re-lgnition
70°F
(Ordinary set temp)
70°F
(Ordinary set temp.)
62˚F
4:00PM
Press
“1st”Timer button
Set
Temp.
70˚F
62˚F
70˚F
65˚F
70˚F
Press “1st”Timer
button. (7:00AM)
Press “2nd”Timer
button. (11:00PM)
4:00PM 5:00AM

Setting 1st Timer/2nd Timer:
1. Make sure the clock is set. If not, press the hour and minute button until the correct time is indicated.
2. Press 1st Timer button. Use the up and down arrows to set the time at which you want the room to return
to normal temperature. This would be 4:00PM to have the room start heating up at 4 pm. You have ten
seconds from the time you push the button to enter this setting.
3. After ten seconds the display will change to Temp. The Temp side of the display will show the default 56
degrees. Use the up arrow to adjust this temperature setting to the desired 65 degrees. The 1st Timer is
now set and you are in the 1st timer mode. To return to the normal operation mode, press the 1st timer
button. If you want to set the 2nd Timer, press 2nd Timer button and repeat the process with the desired
settings.
To return to normal setting once a timer has been pushed (example a child press 1st timer button and you
don’t want the temperature lowered) just press the button again.
Note: The heater operates at the same hour and at the same temperature, if it has once been set for
such hour and temperature, unless their settings are changed.
Note: If a power failure occurs (for longer than 20 minutes) while in operation, time and temperature
settings are cancelled. When this happens, “AM”, and “PM”lamps start flashing. Reset desired
times and temperatures.
Note: To cancel the timer operation, press the “1st”Timer button or the “2nd”Timer button again.
Ordinary operation will then be restored.
Note: After the heater has been set for a particuler hour and temperature it will operate at that setting
each time the timer button is turned on unless the settings are changed.
MANUAL COMBUSTION
Important: This feature is for testing purpose only!
This heater also can be kept burning at desired combustion mode (High, Medium or low) manually, regardless of room
temperature.
1. Press the “UP-HOUR“button and “DOWN-MIN“button at the same time for more than three (3) seconds when
ON / OFF switch is “ON“.
2. P1, P2 or P3 will be displayed on the Digital Indicator;
P1 = Low mode
P2 = Medium mode
P3 = High mode
Then select desired combustion mode by pressing “UP-HOUR“or “DOWN-MIN“button. “UP-HOUR“buttonchanges
combustion mode to higher, “DOWN-MIN“button changes combustion mode to lower.
3. To clear, press the “UP-HOUR“button and “DOWN-MIN“button at the same time for more than (3) seconds until
normal temperature display returns.
TURNING HEATER OFF
Press ON/OFF switch to “OFF”position. POWER lamp will flash and will go out. Circulation fan and blower
motor continue to run for approx. three (3) minutes to cool down the heater. Make sure POWER lamp goes
out when the fan stops.
11

FOR OPTIMUM HEATER PERFORMANCE, THE PARTS SHOWN BELOW SHOULD BE CLEANED REGULARLY:
1. Clean Louvers (ONCE A WEEK)
Dust and stains should be wiped off louvers with a damp cloth.
2. Clean Circulation Air Filter (ONCE A WEEK)
A mesh filter is located on heater cabinet rear side.
Once a week slide the filter up to remove and it
should be vacuumed clean.
3. Check for Fuel Leaks (REGULARLY)
Make it a habit to check for any sign of fuel leakage along the fuel line and at
all joints. Fuel leaks may lead to risk of fire.
4. Check Flue Pipe Area (ONCE A WEEK)
Check the flue pipe joint to make sure connection is firm. Use a vacuum
cleaner to remove any dust or pet hair.
12
SECTION F:
ROUTINE MAINTENANCE
CAUTION: Be sure to unplug heater before performing any checks or cleaning.
CAUTION: Allow heater to cool completely before cleaning or maintenance.
Circulation air filter
Rear cover (left)
Outlet mouth
Inlet mouth
Fuel inlet
Rear cover
(right)
Rear cover
(upper)
Louver
Plumb bob
Reset button
Fuel strainer
(inside)
check
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5. Clean Fuel Strainer (ONCE A MONTH)
The strainer of the fuel sump should be cleaned once a month and before
storing heater at the end of each season.
(a) Close the valve(s) of the separate fuel tank.
(b) To catch the fuel which will drain out, set the oil catch below the strainer
cover, with a small container under it.
(c) Loosen the two screws from the strainer cover and remove.
(d) Remove the strainer and wash with fuel.
(e) Return the strainer to its original position. Replace strainer cover and
screw to secure.
(f) Wipe away any spilled fuel.
(g) Open the valve(s) of separate fuel tank. Check for fuel leakage.
Note: Be sure to unscrew the drain screw to remove all remaining fuel
from the fuel sump at the end of each season.
AUTOMATIC IGNITER CLEANING SYSTEM
The igniter cleaning mode prolongs the igniter life.
The heater will automatically clean igniter every day at 2:00 a.m. and display“CL“on digital indicator
if heater is running at that time.
To clean igniter heater will automatically stop at 2:00 a.m. andautomatically re-ignite and continue
burning again.
13

NOTE BEFORE REQUESTING REPAIR AND SERVICES
The following symptoms are normal during operation of the heater.
*If sound from fuel pump does not decrease and heater shuts off, check:
1. Push red reset button on fuel sump. DO NOT hold down.
2. Insure that all valves are open and filter is clear.
3. Insure external fuel tank has fuel and filters are clean.
Should problems arise during operation or ignition, use this chart to determine the cause and the proper
steps to take. Be sure to unplug heater and allow to cool completely before taking corrective measures.
In the event that heater should extinguish itself, without any action or your part, you should look to the digi-
tal indicator for any of the following error codes.
14
CAUSE
Fuel line malfunction
Out of fuel
Blower motor malfunction
High limit switch activated
Burner thermistor failure
Ignition failure three times
SOLUTION
Consult your dealer.
Check fuel gauge on fuel tank; refuel.
Consult your dealer.
Clean circulation fan filter and remove any
obstructions, allow your heater to cool com-
pletely and re-ignite.
Consult your dealer.
Consult your dealer.
ERROR CODE
EE 6
EE 2
EE8
EE 12
EE 13
EE 22
SECTION G:
TROUBLESHOOTING
CONDITION
White smoke or smell at initial use after pur-
chase.
Flames flashing for a few minutes after igni-
tion.
Occasionally makes “cracking”noise when
heater is ignited or extinguished.
Warm air will not blow as soon as ignited.
Audible chugging sound from fuel pump
when started first time or after running out of
fuel.
“Ticking”noise.
Occasional yellow flickering in blue flame.
REASON
Machine oil or dust burns off the surfaces of
the burner or heat exchanger.
The burner is cold and igniter is kept running
for a while after ignition.
Expansion and shrinkage of metal parts when
they are heated or cooled.
To prevent uncomfortable cool air from com-
ing out at the beginning, circulation fan start
up is delayed.
Air is in the pump. However, noise should
stop within 1 minute.*
Noise of fuel pump in operation.
Normal.
Normal.
When heater is
in operation.
When heater is started
or extinguished.

At the close of each heating season, or when you do not plan to use your heater for an extended period, the
following procedures are recommended.
1. As the end of the season approaches, calculate your fuel purchases so that you can use up all the fuel
you have on hand. When fuel is stored for over six months, its quality may deteriorate. The use of such
fuel will have an unfavorable effect on heater operation.
2. If your heater needs any service or repair, now is the time to call your dealer and get it done before stor-
age. That way your heater will be ready for immediate use when the next heating season begins.
3. If you plan to store your heater in place,
(a) Unplug heater.
(b) Close the main tank valve.
(c) Remove all fuel from the fuel sump and clean the fuel strainer.
(d) Wipe off any stains or dust on heater with a damp cloth, then wipe once
again using a dry cloth.
(e) Cover heater completely with a large plastic bag to protect from dust.
4. To store heater in another location,
(a) Unplug heater.
(b) Close the main tank valve.
(c) Remove all fuel from the fuel sump and clean the fuel strainer.
(d) Disconnect fuel line and flue pipe from the heater.
Note: Fuel remaining in the fuel line may flow out when fuel line is
disconnected. Have a container ready to catch drainage.
(e) Remove any soot accumulated in the flue pipe using a brush and/or vac-
uum cleaner.
(f) Wipe off any stains or dust on heater with a damp cloth, then wipe once
again using a dry cloth.
(g) Put the heater in the original shipping box, and store in a dry place. If
original shipping box is not available, cover the heater completely with
a large plastic bag to protect from dust during storage.
(h) Plug exhaust and air intake mouths of the flue pipe by using optional
caps.
(Part #20474945 and #20474949)
TRANSPORTATION
Take the following measures to avoid fuel leakage during the transportation of the heater.
- Always move the heater in an upright position.
- Always drain fuel from the fuel sump before transportation.
15
SECTION H:
LONG TERM STORAGE

TOOLS NEEDED FOR INSTALLATION
Tool Use
Phillips Head Screwdriver Installation of flue pipe, etc.
Electric Drill Drilling hole in wall for flue pipe
Hole Saw, 2-3/4to 3“diameter Making hole in wall for flue pipe
STANDARD INSTALLATION PARTS
The following standard installation parts are enclosed with heater. For alternate installation methods, you
may need to purchase additional accessories which are available from your TOYOSTOVE dealer. See
”Accessory Parts“.
16
SECTION I:
INSTALLATION
Drip Tray (1) (PART #20479529)
Pipe Holder (1) (PART #20474963)
Wall Brackets (2 sets) (PART #20479562)
Pipe Stopper (1) (PART #20474964)

17
Flue Pipe (1) (PART #20479891)
Exhaust Air Cap (1) (PART #20479845)
Intake Air Cap (1) (PART #20474949)
Oil Catch (1) (PART #20474925)
Insulating Cloth Cover (1) (PART #20474955)
Inlet Hose (1) (PART #20474951)
Bent Joint (1) (PART #20479584) L-Shaped Hose (2) (PART #20474975)
Hose Band (4) (PART #20474977)
Spacer (1) (PART #20478967)
(3)
(3)
10-5/8¨
8-1/4¨
3-1/2¨
15-3/4¨

ACCESSORY PARTS
The following accessory parts are available for use in non-standard installation of the Laser 30. After giving
careful consideration to your desired heater and flue pipe locations and fueling system, consult your
TOYOSTOVE dealer to purchase the necessary accessory parts.
Important: Use only genuine TOYOSTOVE parts for you heater. Use of unauthorized generic or other
brand parts can severely reduce performance and safety, and will invalidate factory warranty.
18
Accessory
Extension pipe kit (L)*
Extension pipe kit (M)*
Extension pipe kit (S)*
L-Shaped exhaust joint*
Fuel lifter pump
Model OPT-91UL
Window Kit (L)
Window Kit (S)
Extension flue pipe
External Fuel Supply
Installation Kit
Part No.
20479898
20479897
20479896
20479861
20477500
20475589
20475588
20479887
10005098
Application
Extends pipe system by 61-3/4to 78-3/4”
Extends pipe system by 22-1/2to 39-3/8”
Extends pipe system by 12-5/8to 19-5/8”
For 90 degree bend in exhaust pipe
Used to lift fuel to heater when fuel tank is located underground
or outdoors in a position lower than the heater.
With automatic recovery.
For installation of flue pipe in windows from 31 to 50 inches wide.
For installation of flue pipe in windows from 20 to 32 inches wide.
For installation in wall thicknesses from 9 inches to 13 inches.
For installation of external tank system
Fuel Lifter Pump Model OPT-91UL
PART #20477500
PART #20479872
PART #20474951
PART #20474950
PART #20479861
PART #20474955
PART
#20474954
Exhaust Extension Pipe
PART #20479887
1035
Intake Pipe
Joint
Insulating cloth cover
Pipe Support
Hardware
L-Shaped exhaust joint
Intake Pipe
FUEL
LIFTER PUMP
LOCATION
EXAMPLE
FUEL
TANK
FUEL
TANK
FUEL
LIFTER PUMP
LOCATION
EXAMPLE
PART #20479853
Adjustable Exhaust Pipe
Max. 39-3/8~ Min. 22-7/16
10 10 35
Flue pipe extension
40 inch
3-1/2
6-1/2 ft.
39-3/8
3-1/2
3-3/8
External Fuel Supply
Installation Kit
PART# 10005098
*Total length of extension pipe between heater and flue pipe must be no greater than 10 ft. No more than
three bends may be used in extension pipe.

EXTENSION KIT
19
When using the “Extension pipe (L)”extension kit, the distance
between the heater exhaust pipe connection and the flue pipe
connection must be at least 63-5/8inch but no more than 80-1/2
inch. (See Figure 1 for reference.)
Extension Pipe Kit (L) PART #20479898
No. Name of Part Q’ty
1
2
3
4
5
6
7
Adjustable Exhaust Pipe
Max. 39-3/8~ 22-7/16
Exhaust Extension Pipe
(long, 39-3/8inch)
Intake Pipe (80 inch)
Insulating cloth cover
(40 inch)
Pipe Holder
Pipe Support Hardware
L-Shaped Exhaust Joint
1
1
1
2
2
3
sets
1
NOTE: Use “L”-shaped Exhaust Joint if necessary.
INSTALLATION WITH EXTENSION PIPE KIT (L)
Adjustable
Exhaust Pipe
Insulation
cloth cover
Exhaust Extension
Pipe (long)
Pipe
holder
Intake Hose
Pipe Support
Hardware
(# 20479861) (# 20474963)
(# 20474950)
(# 20479853)
(# 20479872)
(# 20474951)
(# 20474955)
Pipe Support Hardware
Pipe Holder (2 pcs.)
Pipe Holder Support (1 pc.)
Screw
(1 pc.)
Wood Screw
(2 pcs.)
Nut (1 pc.)
75
6
3-3/8
3-1/2
1
2
3
4
40 inch
80 inch
39-3/8inch
Max. 39-3/8~ Min. 22-7/16 inch
Figure 1
Flue pipe
connection
Intake
Hose
Heater
Exhaust
pipe
connection
63-5/8~ 80-1/2

20
When using the “Extension pipe (M)”extension kit, the distance
between the heater exhaust pipe connection and the flue pipe
connection must be at least 25-5/8inch but no more than 42-1/2
inch. (See Figure 2 for reference.)
Extension Pipe Kit (M) PART #20479897
No. Name of Part Q’ty
1
2
3
4
5
6
Adjustable Exhaust Pipe
Max. 39-3/8~ Min. 22-7/16
Intake Pipe (40 inch)
Insulating cloth cover
(40 inch)
Pipe Holder
Pipe Support Hardware
L-Shaped Exhaust Joint
1
1
1
2
2
sets
1
Figure 2
When using the “Extension pipe (S)”extension kit, the distance
between the heater exhaust pipe connection and the flue pipe
connection must be at least 15-3/4inch but no more than 22-3/4
inch. (See Figure 3 for reference.)
Extension Pipe Kit (S) PART #20479896
No. Name of Part Q’ty
1
2
3
4
5
6
Adjustable Exhaust Pipe
Max. 19-11/16~ Min. 12-5/8
Intake Pipe (20 inch)
Insulating cloth cover
(40 inch)
Pipe Holder
Pipe Support Hardware
L-Shaped Exhaust Joint
1
1
1
2
1
sets
1
Figure 3
Window Kit (L) PART #20475589 (31-50 inches)
Window Kit (S) PART #20475588 (20-32 inches)
Ex. Window Kit
(# 20479861) (# 20474963)
(# 20474950)
(# 20479853)
(# 20474951)
(# 20474955)
Pipe Support Hardware
Pipe Holder (2 pcs.)
Pipe Holder Support (1 pc.)
Screw
(1 pc.)
Wood Screw
(2 pcs.)
Nut (1 pc.)
64
5
3-
3
/
8
3-
1
/ 2
(# 20479861) (# 20474963)
(# 20474950)
Pipe Support Hardware
Pipe Holder (2 pcs.)
Pipe Holder Support (1 pc.)
Screw
(1 pc.)
Wood Screw
(2 pcs.)
Nut (1 pc.)
64
5
3-
3
/
8
3-
1
/ 2
1
2
3
Max. 39-3/8~ Min. 22-7/16 inch
40 inch
40 inch
(# 20479858)
(# 20474951)
(# 20474955)
6
1
2
3
Max. 19-11/16 ~ Min. 12-5/8inch
20 inch
40 inch
Flue pipe
connection
Intake
Hose
Heater
Exhaust
pipe
connection
63-5/8~ 80-1/2
Flue pipe
connection
Intake
Hose
Heater
Exhaust
pipe
connection
63-5/8~ 80-1/2