Toyotomi Laser 73 User manual

SAFETY FEATURES

Your Laser 73 is equipped with the following safety features. Please familiarize yourself with these features.

When your heater is extinguished due to a safety mechanism, be sure to identify and correct the problem.

Flame Sensor

Heater will automatically stop all operations if ignition fails or if flame fails during combustion, in order

to prevent fuel overflow. Error code will be displayed on the digital indicator.

Fuel Strainer

Special strainer catches any dirt or impurities present in the fuel before it is sent to the burner.

Overheat Protector

Automatically stops all operations if heater cabinet reaches abnormally high temperature due to motor

malfunction or abnormal combustion, in order to prevent fire.

Power Failure Recovery System

If power fails during heater operation, heater will turn off. When power resumes, heater will

automatically reignite to maintain the selected room temperature.

Fully Vented System

Flue pipe system provides outside air for combustion and vents all combustion products to the

outdoors.

Exhaust

gas

Exhaust

gas

Heat chamber

Draft pipe

Fuel nozzle

Burner ring

1. Flame sensor

Igniter

Burner

Fuel pump Fuel sump 2. Fuel strainer

Fuel pipe

Reset button

Blower motor

Intake air

Intake fan

5. Flue pipe

Exhaust fan

Heat exchanger

3. Overheat protectorCirculation fan

Burner mat

Laser 73 (E) Zibro 06.9.6 10:32 AM Page 3

CAUTION:

SECTION B:

SAFETY TIPS FOR OPERATION

RIGHT

PARAFFIN

WRONG

GAS

Heater and vent pipe system must be properly installed before operation.

Please follow instructions under “Installation”, Section I.

Never use any fuel other than clear paraffin. NEVER USE GASOLINE.

Use of gasoline can lead to uncontrollable flames, resulting in

destructive fire.

Due to high surface temperatures, keep heater away from children, furniture

and clothing while in operation (See Page 19).

To prevent abnormal operation and prolong heater life, be sure to perform

routine maintenance (See Pages 11

12).

Never store or transport paraffin in other than a metal or plastic container

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

marked, “PARAFFIN”. Never store paraffin in the living space.

Parrafin

Danger

PARAFFIN

Laser 73 (E) Zibro 06.9.6 10:32 AM Page 4

SECTION C:

FUEL GUIDE

The Laser 73 is designed for use with clear paraffin only. Use of low-quality paraffin will cause burner

performance to drop, leading to abnormal combustion and reduced heater life.

Purchase only paraffin in non-red cans reserved exclusively for paraffin and marked accordingly with the

word “PARAFFIN”. Always store your paraffin in a separate area from where you store gasoline for your

power equipment to avoid accidental use of gasoline in your heater.

Clear Paraffin.

Paraffin free of contaminants, water or cloudiness.

Gasoline, alcohol, white gas, camp stove fuel or additives.

Yellow or sour-smelling fuel.

Store in a clean container, non-red in color, clearly marked

PARAFFIN.

Store away from direct sunlight, heat sources or extreme

temperature changes.

In a glass container, or one that has been used for other fuels.

For longer than six months. Begin each heating season with

fresh paraffin; discard at the end of season.

In the living space.

¡Excess tar deposits on burner and flue pipe

¡Incomplete combustion

¡Reduced heater life

What to Buy . . .

ALWAYS :

NEVER :

How to Store It . . .

ALWAYS :

NEVER :

Why It is Important . . .

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

quality or contaminated paraffin can cause:

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

uncontrollable flames, creating a severe fire hazard.

GAS

Laser 73 (E) Zibro 06.9.6 10:32 AM Page 5

Before using heater, familiarize yourself with the following operating controls and part names.

SECTION D:

OPERATING CONTROLS AND PART NAMES

BURNER

LOW

MED

HIGH

BURNINGMODE

TEMPSELECT

TIME/CLOCKSET

OFF

NORMAL

SET·BACK

AUTO

OFF ON

HOUR MINUTE

START SET-BACK

50°F

10°C

50°F

10°C

SET

TEMP

ROOM

Programmable Set Back

END SET-BACK

CLOCK SET

CLOCK/TEMP

(NORMAL POSITION)

8. ON/OFF lamp

6. Digital Indicator

7. Burning mode lamp

9. Auto lamp

2. Auto switch

3. Temperature selector

1. ON/OFF switch

10. Normal temperature lamp

11. Set-back temperature lamp

4. Timer & clock set

5. Timer selector

Laser 73 (E) Zibro 06.9.6 10:32 AM Page 6

Main switch which turns heater on and off. When switched on,

heater begins operation and combustion starts after preheat period.

The switch turns automatic operation modes on and off which

have been programmed into timer.

“NORMAL” and “SET-BACK” temperature selectors allow user to

select desired temperature during manual or automatic operation.

Timer and clock set modes can be set by pressing hour or minute

buttons.

Clock, clock set, “SET-BACK” mode, start time set and end time

set can be selected by this switch.

Displays clock, set temperature, room temperature and error code.

Indicates whether heater is operating at high, medium or low

combustion.

Lights when heater is in operation and flashes when heater is in

prepurge or postpurge.

Lights when automatic operation is in use.

Lights when heater runs with manual or “NORMAL” mode of

automatic operation.

Lights when heater runs with “SET-BACK” mode of automatic

operation.

Three-speed motor supplies high-capacity warm air flow during

high combustion for heating room up quickly, and low or medi-

umcapacity warm air flow during low or medium combustion for

maintaining comfortable room temperature.

Constantly senses room temperature and supplies information to

heater so that desired room temperature can be maintained.

For use in 230V AC electrical outlets only.

Allows user to check if heater is positioned evenly.

1. ON/OFF switch:

2. Auto switch:

3. Temperature selectors:

4. Timer & clock set:

5. Timer selector:

6. Digital indicator:

7. Burning mode lamp:

8. ON/OFF lamp:

9. Auto lamp:

10. Normal temperature lamp:

11. Set-back temperature lamp:

12. Circulating fan:

13. Room temperature sensor:

14. Power supply cord:

15. Plumb bob:

INDICATOR LAMPS

ON/OFF lamp

AUTO lamp

LOW lamp

MED lamp

HIGH lamp

NORMAL lamp

SET-BACK lamp

Flashing - Pre-heating, pre-purging and post-purging mode

Lit - Heater in operation

Flashing - Power loss of more than 10 seconds

Lit - Heater in operation at auto mode

Lit - Heater in operation at low combustion

Flashing - Pre-purging mode (without flame)

Lit - Heater in operation at medium combustion

Lit - Heater in operation at high combustion

Lit - Heater in operation at normal mode

Lit - Heater in operation at set-back mode

Laser 73 (E) Zibro 06.9.6 10:32 AM Page 7

BEFORE IGNITION

OPERATION

SECTION E:

OPERATION

MANUAL OPERATION

Open the Valve(s)

Open the valve(s) of the external fuel tank.

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.

Plug in the Heater

Plug heater into a 230V AC electrical outlet.

Note: Do not connect to an outlet shared with other appliances.

C. Position timer selector to “CLOCK/TEMP (NORMAL POSITION)” after clock setting is completed.

Current time will be shown on digital indicator.

In the event of a power failure over ten (10) seconds, all clock and timer settings are cancelled.

Digital indicator will flash “PM 12:00” when heater is off, or “AUTO” lamp will flash when

heater is on and in automatic operation, after is power is restored. However, no indications

when heater is in manual operation. At this point, you need to reset all time and set-back

functions.

Note:

“MANUAL” operation means that the set-back will not be in use but in ”NORMAL” mode.

Operation of the heater is under the direct control of the user (“AUTO” switch is off). Heat output will,

however, be automatically adjusted in accordance with the room temperature registered by the

temperature sensor.

Operation of Laser Heater can be controlled manually by the user - “MANUAL” operation (NORMAL mode

only) or run automatically by the programming - ”AUTOMATIC” operation (NORMAL mode and SET-BACK

mode).

Set Clock

Important: Clock on the heater always

must be set to current time.

Position timer selector to “CLOCK SET”.

B. Press “HOUR” and “MINUTE” button

of TIMER/CLOCK SET to correct time.

Important: Check for the AM or PM

indicators, to insure the

correct time.

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.

“HOUR” or “MINUTE” button will

change the time every one (1)

unit. Holding the button

continuously will cause the time

to change rapidly.

Note:

BURNER

LOW

MED

HIGH

BURNINGMODE

TEMPSELECT

TIME/CLOCKSET

OFF

NORMAL

SET·BACK

AUTO

OFF ON

HOUR MINUTE

START SET-BACK

50°F

10°C

50°F

10°C

SET

TEMP

ROOM

Programmable Set Back

END SET-BACK

CLOCK SET

CLOCK/TEMP

(NORMAL POSITION)

8. ON/OFF lamp

6. Digital Indicator

7. Burning mode lamp

9. Auto lamp

2. Auto switch

3. Temperature selector

1. ON/OFF switch

10. Normal temperature lamp

11. Set-back temperature lamp

4. Timer & clock set

5. Timer selector

Reset Button

Laser 73 (E) Zibro 06.9.6 10:32 AM Page 8

1. Select Manual Operation

Press the “AUTO” switch to “OFF” position.

2. Turn Heater ON

A. Push in ON/OFF switch to “ON” position. The current room temperature

and the set temperature will be shown on the digital indicator. ON/OFF

lamp will start to flash and then blower motor and ignition will start.

Note: Heater will not start when room temperature is higher than the

desired temperature setting.

B. Burning mode lamp “MED” will start to flash after approx. 3 - 9 minutes

and ignition will take place. (*) After ignition, burning mode lamp “MED”

will change from flashing to continuous. And, after 10 seconds, burning

mode lamp will turn to “LOW” and heater will start “LOW” burning mode.

Circulation fan will turn on after approx. 3 minutes.

Note: (*) Pre -heating depends on the room temperature.

Room temperature: below 1˚C - 9 minutes

1˚C - 16˚C - 6 minutes

over 16˚C - 3 minutes

C. Heater will operate at “LOW” or “MED” burning mode for approx. 6 min-

utes after ignition, regardless of temperature control setting. Heater will

not go into “HIGH” burning mode while the prepurging is in effect. After

this period, output can be adjusted as desired by using the ”NORMAL”

temperature selector as directed in following instructions.

3. Adjusting Room Temperature

A. Slide “NORMAL” temperature selector to set the room temperature

desired. The temperature control should be set at the position you find

most comfortable.

Note: Desired temperature setting will be displayed on the digital

indicator when you set the room temperature.

Note: The scale on temperature selector is just for your reference. The

figures on the digital indicator and on the scale may not match

exactly; This is normal.

B. Burning mode will be regulated automatically in accordance with the room temperature registered by

the room temperature sensor. Heater will be operated at “HIGH” burning mode until room

temperature reaches the selected temperature level.

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. 2˚C, the heater will automatically

shut off. As room temperature drops, the heater will automatically re-start to maintain the desired

temperature.

BURNER

TEMP SELECT

TIME/CLOCK SET

OFF

NORMAL

SET·BACK

AUTO

OFFON

HOUR MINUTE

START SET-BACK

50°F

10°C

50°F

10°C

END SET-BACK

CLOCK SET

CLOCK/TEMP

(NORMAL POSITION)

BURNER

LOW

MED

HIGH

BURNINGMODE

SELECT

OFF ON

AUTO

OFFON

50°F

°C

SET

TEMP

ROOM

Programmable Set Back

BURNER

LOW

MED

HIGH

BURNINGMODE

SELECT

OFF ON

AUTO

OFFON

50°F

°C

SET

TEMP

ROOM

Programmable Set Back

LOW

MED

HIGH

BURNINGMODE

BURNER

TEMP SELECT

TIME/CLOCK SET

OFF

NORMAL

SET·BACK

AUTO

OFFON

HOUR MINUTE

START SET-BACK

50°F

10°C

50°F

10°C

END SET-BACK

CLOCK SET

CLOCK/TEMP

(NORMAL POSITION)

BURNER

TEMP SELECT

TIME/CLOCK SET

OFF

NORMAL

SET·BACK

AUTO

OFF ON

HOUR MINUTE

50°F

10°C

50°F

10°C

Laser 73 (E) Zibro 06.9.6 10:32 AM Page 9

Ex.

“AUTOMATIC” operation is established by programming the time/temperature settings for specific

time, “SET-BACK” mode operation will be programmed in a 24-hour period. It is designed for energy

efficiency by using a lower temperature setting, generally at night.

1. Set Start Time of “SET-BACK” Mode.

A. Slide the timer selector to “START SET-BACK”.

B. Press “HOUR“ and “MINUTE” button of TIMER/CLOCK SET to set desired start time.

Note: When setting “SET-BACK” time, the “MINUTE” button will advance time by ten (10) units.

(Ex. 10:00, 10:10, 10:20, etc.)

C. Start time of “SET-BACK” mode will be shown on digital indicator. (Ex. PM 10:00)

2. Set End Time of “SET-BACK” Mode.

With the timer selector slide switch in the “END SET-BACK” position, program the end time as

described above. (Ex. AM 6:00)

Important: Always return timer selector to “CLOCK/TEMP (NORMAL POSITION)” after settings.

3. Set Room Temperature.

Slide “NORMAL” temperature selector and “SET-BACK” temperature selector at the position you

desire. (Ex. “NORMAL”

25˚C, “SET-BACK”

15˚C)

Note: The temperature setting currently being used is displayed on the digital indicator. To view and

set the Set-Back temperature setting, press the “MINUTE” button for more than three (3) sec-

onds. The display will go back to the Normal temperature setting after ten (10) seconds.

4. Push in AUTO switch to “ON” position.

5. Turn Power ON.

Press ON/OFF switch to “ON” position. ON/OFF lamp will start to flash and AUTO switch lamp will light.

And then blower motor and ignition will start.

Note: SET-BACK OPERATION IRREGULAITIES: If a heater is switched “OFF”; if the “AUTOMATIC”

operation is switched off; or there is a power interruption while the unit is operating in the

“SET-BACK” mode, the “SET-BACK” mode may be temporarily disabled until the next Start

Set-Back time.

Ex.

Approx. +2˚C

Approx. +1˚C

SET

TEMP.

High Medium Low Off Re-lgnition

“NORMAL”

mode

Start Set-Back

“NORMAL”

mode

25˚C

15˚C 15˚C

“SET-BACK”

mode

PM10:00 AM6:00 PM10:00 AM6:00

End Set-Back

AUTOMATIC OPERATION

Laser 73 (E) Zibro 06.9.6 10:32 AM Page 10

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