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9.    A room temperature sensor is provided with approx. eight (8) feet long extension wire. It is located on the rear 

of the cabinet. Make sure that the extension wire is not touching the exhaust pipe. The room temperature 
sensor can be installed either with the self adhesive tape on the back or with a wood screw provided with the 
sensor depending on the type of surface chosen for installation.
NOTE:   Choose a location for the sensor that is not in the path of direct sunlight, drafts or the flow of warm air 

from the heater.

(a)  Self Adhesive Tape

Peel off the protective tape on the back of the sensor and expose the 
adhesives. Place the sensor on the desired location on the wall and press 
down.

(b)  Wood Screw

Screw down the wood screw provided with the heater into the desired 
location on the wall. Hook the back of the room temperature sensor.

10.  After installation is completed, secure heater to the wall with the wall brackets provided with the heater. Make 

sure the heater is parallel to the wall (See Fig. 16).

11.  Before ignition, recheck the following:

a.  All connections are tight and firm.
b.  The heater and the standard flue pipe areas are free of any materials.
c.  The heater is level and parallel to the wall.
d.  The exhaust and the intake holes of the standard flue pipe are fully exposed to outdoor air, but not 

protruded too far from the wall sleeve.

Fig. 13

NOTE:   Emergency power supply and use of 12V DC batteries with an inverter. Consult your dealer before 

attempting to use a battery/inverter system to provide power for your Laser heater. These units require 
true sine wave power for proper long-term operation. Some types of modified or block sine wave 
inverters will cause damage to the electrical components of the heater. Several inverter 
manufacturers offer true sine wave inverters which should operate the unit without any problems if 
properly sized and configured. If you have any questions about appropriate power supply, consult your 
authorized TOYOTOMI dealer.

WARNING: 

MAKE SURE POWER SUPPLY CORD IS DISCONNECTED TO AVOID ANY ELECTRIC SHOCK

BEFORE SERVICING. ELECTRIC SHOCK MAY CAUSE SERIOUS INJURY.
INSTALLATION SHOULD BE CONDUCTED BY A LICENSED ELECTRICIAN.

PERMANENT WIRING INSTALLATION

Step 1.
Disconnect power supply cord 
from power source.
Remove three (3) screws and 
control box cover on the back of 
the heater.

Step 2.
Disconnect ground wire (green 
wire) from the power supply 
cord bracket.

Step 3.
Disconnect two power
supply wires from right side of 
the terminal.

Step 4.
Squeeze strain relief with the ad- 
justable pliers to remove plastic 
bushing from the power supply 
cord bracket.
Remove the power supply cord.

Step 5.
Insert the power supply cable 
from junction box and connect 
ground wire to the power supply 
cord bracket and power wires to 
the
terminal.

Step 6.
Affix the control box cover to the 
heater and insert screws.

Содержание Laser 531

Страница 1: ...tures SECTION B Safety Tips for Operation SECTION C Fuel Guide SECTION D Operating Controls and Part Names SECTION E Operation Before Ignition Operation Turning Heater Off SECTION F Routine Maintenanc...

Страница 2: ...Electrical Rating 120 Volts AC 60 Hz Preheat 240W Burning 48W Typical Room Size 3 920 square feet 0 F 1150 square feet 20 F Frequency band s in which the radio equipment operates 2 400GHz to 2 4835GHz...

Страница 3: ...covery System If power fails during heater operation heater will automatically reignite and maintain the normal selected temperature when power resumes Fully Vented System Flue pipe system uses outsid...

Страница 4: ...fur Diesel ULSD or Ultra Low Sulfur Heating Oil ULSHO NEVER USE GASOLINE Use of gasoline can lead to uncontrollable flames resulting in destructive fire 1 Due to high surface temperatures keep childre...

Страница 5: ...of a highly volatile flammable fuel such as gasoline can produce uncontrollable flames creating a severe fire hazard Note The fluidity of Ultra Low Sulfur Diesel and Ultra Low Sulfur Heating Oil becom...

Страница 6: ...ature sensor Operation panel Front panel Louver Red float release button Fuel strainer inside Drip tray Circulation fan motor 2 AUTO button 6 CLEAR button 15 Day of the week indicator 4 Set TEMP TIMER...

Страница 7: ...the button the to turn on or off the CHILD LOCK mode When reset the program for weekly timer the CLEAR button is used F C toggle switch Lit Heater is in operation Flashing Pre heating and pre purging...

Страница 8: ...Rear guard L R Rear guard top Circulation air filter Drip tray L531 Drip tray L532 Leveler fuel pipe Air joint gasket Relief spring Pressure relief plate Relief gasket Heat exchanger Burner ring Heat...

Страница 9: ...utlet On Display 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 and day N...

Страница 10: ...rent time and a day of the week after setting the time and a day of the week the set mode of the current time will terminate and the operation will start If a day of the week is set the time is fixed...

Страница 11: ...f As room temperature drops the heater will automatically re start to maintain the desired temperature POWER SAVER OPERATION The Power Saver mode reduces the frequency of ignition actions to save elec...

Страница 12: ...UN P2 SUN P3 SUN P4 MON P1 MON P2 SAT P4 NOTE When the HOUR button is pressed while at the bottom of programming which is P1 on Sunday SUN an alarm will sound twice and the program number cannot be ch...

Страница 13: ...s the SET button an alarm will sound four times and then the time that can be set will be displayed Also the same time cannot be set in the example above so you cannot have 7 00 AM for P1 and 7 00 AM...

Страница 14: ...conds when ON OFF button is ON 2 P1 P2 or P3 will be displayed on the display P1 Low mode P2 Medium mode P3 High mode Then select desired combustion mode by pressing MIN or HOUR button MIN button chan...

Страница 15: ...l joints Fuel leaks may lead to risk of fire 4 Check Flue Pipe Area ONCE A MONTH Check the flue pipe joint to make sure connection is firm Use a vacuum cleaner to remove any dust or pet hair Ciraulati...

Страница 16: ...ecessary parts and replacing gaskets as needed Please ask your authorized Toyotomi dealer for details and scheduling When using Ultra Low Sulfur Diesel ULSD or Ultra Low Sulfur Heating Oil the heater...

Страница 17: ...6 E 8 E 12 E 13 E 13 E 22 CAUSE Power failure unstable frequency Primary flame Flame sensor is malfunction and or dirty Fuel line malfunction Out of fuel no flame Flue pipe blockage or leak Blower mo...

Страница 18: ...oth 4 To store heater in another location a Disconnect 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...

Страница 19: ...may need to purchase additional accessories which are available from your TOYOTOMI dealer See Accessory Parts page 26 Tool Use Phillips Head Screwdriver Installation of flue pipe etc Electric Drill D...

Страница 20: ...20474949 Screw 4G 3 PART 20474985 Oil Catch 1 PART 20474925 Insulating Cloth Cover 1 PART 20470255 Inlet Hose 1 PART 20470261 Bent Joint 1 PART 20479884 L Shaped Hose 2 PART 20474975 Hose Band 2 PART...

Страница 21: ...e TOYOTOMI parts for your heater Use of unauthorized generic or other brand parts can severely reduce performance and safety and will void factory warranty Accessory Extension pipe kit L Extension pip...

Страница 22: ...er 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 Insul...

Страница 23: ...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 Su...

Страница 24: ...nings must be fully exposed to outside air Do not vent into chimney garage basement under the floor or into any enclosed area 2 Do not install flue pipe in close proximity to other objects or material...

Страница 25: ...a level For use at altitudes higher than 3 000 FT and up to 6 000 FT adjustments to the heater must be made Consult with your dealer MINIMUM CLEARANCE TO COMBUSTIBLE AND NONCOMBUSTIBLE CONSTRUCTION 1...

Страница 26: ...e installed on a sturdy floor that is level and flat 5 Cut the hole for the flue pipe from inside the room Use a 2 3 4 to 3 diameter hole saw attached to an electric drill See Fig 5 The opening on the...

Страница 27: ...uter flue pipe through the hole Secure the outer flue pipe to the wall by turning it clockwise This locks the two halves together See fig 9 IMPORTANT Make sure the arrow on the outer flue pipe flange...

Страница 28: ...rubber cap opening with the caps provided with the heater Make sure the caps fit tightly onto the opening See Fig 10 NOTE If the inlet hose is not smoothly inserted into the L shaped hose apply water...

Страница 29: ...with the pipe holder If the extension pipe is used also attach the pipe holder to the connection of the bent joint and the extension pipe Secure the bent joint or the extension pipe to the exhaust ou...

Страница 30: ...the back of the sensor and expose the adhesives Place the sensor on the desired location on the wall and press down b Wood Screw Screw down the wood screw provided with the heater into the desired loc...

Страница 31: ...ER SUPPLY CORD IS DISCONNECTED TO AVOID ANY ELECTRIC SHOCK BEFORE SERVICING ELECTRIC SHOCK MAY CAUSE SERIOUS INJURY INSTALLATION SHOULD BE CONDUCTED BY A LICENSED ELECTRICIAN PERMANENT WIRING INSTALLA...

Страница 32: ...d to use an in line small mesh size filter with water block e g 10 micro filter Shut off valves should also be installed on the fuel line and connected the tank as illustrated on page 38 NOTE An addit...

Страница 33: ...0 6 12 18 0 0 6 12 18 0 0 6 12 18 0 0 6 12 18 0 0 6 12 18 0 0 6 12 18 0 WEEKLY TIMER PROGRAM MANAGEMENT TABLE TIME SET temp F F F F F F F TIME SET temp F F F F F F F TIME SET temp F F F F F F F TIME...

Страница 34: ...t please visit our website at www toyotomiusa com productRegistration php or scan the QR code on your smart device Make a note of your heater s serial and lot number located on the side of the cabinet...

Страница 35: ......

Страница 36: ...rd charge receipt or other documents evidencing the date of the Product s delivery if service is not available locally please contact our CUSTOMER RELATIONS DEPARTMENT at TOYOTOMI U S A INC 604 Federa...

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