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LASER CLEAN HEATING SYSTEM/VENTED HEATER
INSTALLATION AND OPERATION INSTRUCTIONS
LASER CLEAN VENTED
Laser 73 / Laser 73AT
MODEL
IMPORTANT
READ AND UNDERSTAND INSTRUCTIONS BEFORE INSTALLING OR USING HEATER.
RETAIN INSTRUCTIONS FOR FUTURE REFERENCE. CHECK LOCAL CODES FOR PERMITTED USE.
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Operation
(Type N)
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CONTENTS
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Table of Contents
Related Manuals for Toyostove L-73
Summarization of Contents
Safety Features
Flame Sensor
Automatically stops operations if ignition fails or flame fails to prevent fuel overflow.
Fuel Strainer
Special strainer catches dirt or impurities in fuel before it is sent to the burner.
Overheat Protector
Stops operations if heater cabinet reaches high temperature due to malfunction or abnormal combustion.
Power Failure Recovery System
Heater turns off during power failure and reignites when power resumes.
Fully Vented System
Provides outside air for combustion and vents products to outdoors.
Fusible Link Valve
Stops fuel supply to burner in case of extreme high temperatures to prevent fire.
Section B: Safety Tips for Operation
Correct Fuel Usage
Use only specified kerosene or fuel oil; never use gasoline to avoid fires.
Keep Away From Children and Combustibles
Keep heater away from children, furniture, and clothing due to high surface temperatures.
Routine Maintenance
Perform routine maintenance to prevent abnormal operation and prolong heater life.
Fuel Storage and Transport
Store and transport kerosene in marked, approved containers; never in living space.
Operating Temperature Range
Use heater within the specified operating temperature range for optimal performance.
Section C: Fuel Guide
Recommended Fuels
Use ASTM D3699 1-K kerosene, ASTM D396 Low Sulfur No.1 Fuel Oil, or ULSD.
Fuel Storage Guidelines
Store fuel in clean, marked, non-red containers away from heat and sunlight for no more than six months.
Importance of Clean Fuel
Clean fuel prevents deposits, ensures efficient combustion, and prolongs heater life.
Section D: Operating Controls and Part Names
ON/OFF Switch
Main switch to turn the heater on and off.
Auto Switch
Activates and deactivates automatic operation modes programmed into the timer.
Temperature Selectors
Allows selection of desired temperature for manual or automatic operation.
Timer & Clock Set
Buttons for setting the timer and clock functions.
Timer Selector
Switch to select clock set, set-back mode, start/end times.
Digital Indicator
Displays clock, set temperature, room temperature, and error codes.
Burning Mode Lamp
Indicates high, medium, or low combustion mode.
ON/OFF Lamp
Indicates heater operation; flashes during prepurge/postpurge.
Auto Lamp
Indicates when automatic operation is in use.
Normal Temperature Lamp
Lights when heater runs in manual or 'NORMAL' automatic mode.
Set-back Temperature Lamp
Lights when heater runs in 'SET-BACK' automatic mode.
Circulating Fan
Three-speed motor for circulating warm air.
Room Temperature Sensor
Senses room temperature to maintain desired room temperature.
Power Supply Cord
Connects heater to a 120V AC electrical outlet.
Plumb Bob
Used to check if the heater is positioned evenly.
Section E: Operation
Before Ignition
Steps to prepare the heater before starting ignition, including fuel and power.
Open Fuel Valve
Open the valve(s) of the external fuel tank.
Start Fuel Flow
Press reset button to send fuel to sump if it's the first time or after running out.
Plug in Heater
Connect heater to a 120V AC electrical outlet, not shared with other appliances.
Set Clock
Set the current time using the timer selector and clock set buttons.
Manual Operation
Heater operates under direct user control; heat output adjusts to room temperature.
Select Manual Operation
Turn the 'AUTO' switch to 'OFF' to select manual operation.
Turn Heater ON
Push ON/OFF switch to 'ON'; heater starts preheating, ignition, and blower motor.
Adjusting Room Temperature
Use 'NORMAL' temperature selector to set desired room temperature; output adjusts automatically.
Automatic Operation
Program time/temperature settings for 24-hour period for energy efficiency.
Set Start Time of SET-BACK Mode
Use timer selector and clock set buttons to program the start time for set-back mode.
Set End Time of SET-BACK Mode
Use timer selector to program the end time for set-back mode.
Set Room Temperature
Set 'NORMAL' and 'SET-BACK' temperature selectors for desired settings.
Push AUTO switch to ON
Activate automatic operation by switching the 'AUTO' switch to 'ON'.
Turn Power ON
Press ON/OFF switch to 'ON'; heater starts ignition and blower motor.
Turning Heater Off
Press ON/OFF switch to 'OFF'; circulation fan and motors run for cool down.
Manual Combustion
Manually set combustion mode (High, Medium, Low) for testing purposes.
Section F: Routine Maintenance
Clean Louvers
Wipe off dust and stains from louvers with a damp cloth once a week.
Clean Circulation Fan Cover
Remove dust or pet hair from the fan cover on the back of the heater weekly.
Check for Fuel Leaks
Regularly check fuel lines and joints for leaks to prevent fire risk.
Check Flue Pipe Area
Ensure flue pipe joint connection is firm and clean area weekly.
Clean Fuel Strainer
Clean fuel strainer once a month and before storing heater at end of season.
Recommended Periodic Maintenance
Schedule periodic inspection and service by an authorized technician for optimum performance.
Section G: Troubleshooting
Normal Operation Symptoms
Lists normal conditions like smoke, cracking noise, and delayed warm air during operation.
Troubleshooting Fuel Pump Issues
Addresses issues if fuel pump noise does not decrease and heater shuts off.
Automatic Cleaning System
Heater automatically cleans igniter daily at 2:00 a.m.
Manual Cleaning System
Manually initiate igniter cleaning for ten minutes.
Error Code EE2: No Ignition
Indicates issues like out of fuel, closed fuel valve, or air pocket in fuel line.
Error Code EE6: Extinguished After Ignition
Signals problems such as out of fuel, high limit switch activation, or fuel flow obstruction.
Error Code EE8: Blower Motor Malfunction
Indicates a malfunction of the blower motor.
Error Code EE10: Poor Combustion/Noisy Combustion
Suggests issues like soot buildup, improper burner seating, or high altitude.
Error Code EE10: Odor
Caused by leaking flue pipe or kerosene leakage.
Error Code Hi/Lo: Room Temperature Issues
Indicates room temperature is too high or too low for operation.
Error Code Flashing Lamps: Does Not Extinguish
May indicate excess fuel in burner or flame sensor malfunction.
Section H: Long Term Storage
Fuel Management Before Storage
Use up fuel before storage; fuel quality deteriorates over six months.
Service Before Storage
Have heater serviced or repaired before storing for readiness for next season.
Storage Procedures
Disconnect power, close tank valve, remove fuel from sump, clean strainer, wipe down, and cover.
Section I: Installation
Tools Needed for Installation
Lists necessary tools like screwdrivers, electric drill, and hole saw.
Standard Installation Parts
Details standard parts included with the heater for installation.
Accessory Parts
Details available accessory parts for non-standard installations.
Extension Pipe Kit (L)
Details the components and installation of the 'Extension Pipe Kit (L)'.
Extension Pipe Kit (M)
Details the components and installation of the 'Extension Pipe Kit (M)'.
Extension Pipe Kit (S)
Details the components and installation of the 'Extension Pipe Kit (S)'.
Safety Tips for Installation
Provides safety guidelines for planning and executing heater installation.
Installation of Heater and Flue Pipe
Details selecting location, clearances, and flue pipe routing for installation.
Cutting the Wall Opening
Instructions for cutting the wall opening for the flue pipe using a hole saw.
Installing the Inner and Outer Flue Pipe
Steps for inserting and securing the inner and outer flue pipes through the wall opening.
Connecting Hose and Bent Joint
Attaching bent joint, inlet/exhaust hoses, and securing connections for the flue system.
Securing Flue Pipe and Checking Level
Securing flue pipe, checking heater levelness using plumb bob.
Room Temperature Sensor Installation
Instructions for installing the room temperature sensor using adhesive tape or wood screw.
Final Checks Before Ignition
Recheck connections, ensure area is clear, and verify heater is level and parallel.
Section J: Fueling
External Tank Installation
Guidelines for installing a large capacity, gravity-fed external fuel tank.
Fuel Tank Height Requirements
Observe maximum and minimum tank heights relative to the heater.
Fuel Pressure Reducing Valve
Details requirement and use of pressure reducing valve if tank height exceeds limit.
Fusible Link Valve
Information on the fusible link valve's function and installation.
Limited Warranty
What is Covered
Details product parts covered under warranty for defects in materials or workmanship.
What is Not Covered
Excludes defects due to negligence, improper installation, or unauthorized parts.
Warranty Service
Procedure for obtaining warranty service and contacting customer relations.
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