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NEVER LEAVE HEATER UNATTENDED WHILE BURNING OR WHILE 

CONNECTED TO A POWER SOURCE

Diesel Fired Radiant Heater User’s Manual

© 2020, Lavorwash

Operation

Fueling The Heater:

Paraffin

For optimal performance of this heater, it is 

strongly suggested that Kerosene be used. 

Paraffin has been refined to virtually eliminate 

contaminants, such as sulfur, which can cause 

a rotten egg odor during the operation of the 

heater. Using diesel fuel can cause excess soot 

production. Do not use Bio-Diesel as this fuel will 

damage your heater’s seals and filter.

 - NEVER use fuel such as, benzene, alcohol, white 

gas, camp stove fuel, paint thinners, or other oil 

compounds in this heater. THESE ARE VOLATILE 

FUELS THAT CAN CAUSE A FIRE OR 

EXPLOSION.

- NEVER store Kerosene in the living space. 

Kerosene should be stored in a well ventilated area 

outside the living area.

 - NEVER store Kerosene in direct sunlight or near a 

source of heat.

 - NEVER use kerosene that has been stored from 

one season to the next. Paraffin deteriorates over 

time. OLD KEROSENE WILL NOT BURN 

PROPERLY IN THIS HEATER. 

NOTE: Kerosene should only be stored 

in a blue container that is clearly marked 

“Kerosene.” Never store Kerosene in a red 

container. Red is associated with gasoline.

Ventilation:

 - Risk of indoor air pollution and Carbon 

Monoxide Poisoning. Use heater only in well 

ventilated areas.

 - Refer to Safety Information on pages 1-2 for 

information about Carbon Monoxide Poisoning.

 - ALWAYS

 provide a fresh air opening in the heated 

space of at least 2,800 cm

2

  

(3 sq. ft) for each 29 kW / Hr. of heater output. 

Provide a larger opening if more heaters are being 

used. 

As an example, a PT-125 SS will require:
 

- A two car garage door open 16 cm or

 

- A single car garage open 22 cm or

 

- Two (2) 82 cm windows open 38.5 cm

Minimum Ventilation Opening Needed

PT70-SS Plus

PT-125 SS

1950 cm

2

3484 cm

2

NEVER FILL THE FUEL TANK 

INDOORS. ALWAYS FILL 

THE TANK OUTDOORS. BE SURE THAT 

THE HEATER IS ON LEVEL GROUND WHEN 

FUELING, AND NEVER OVERFILL THE TANK.

CAUTION

NEVER REFUEL THIS HEATER 

WHILE IT IS HOT OR 

OPERATING. FIRE OR EXPLOSION COULD 

RESULT. 

DANGER

CARBON MONOXIDE POISONING 

MAY LEAD TO DEATH!

DANGER

7

DO NOT USE GASOLINE OR 

CRANKCASE DRAININGS. 

WARNING

This appliance is designed to 

operate safely at a minimum 

ambient temperature of -20° C.

WARNING

Use caution when servicing in 

wet areas. Disconnect power 

from the power mains and keep all electrical 

components from becoming wet. Only a 

qualified technician should service the 

heater

WARNING

A qualified technician is 

required to install, adjust and 

where necessary; convert this heater for use 

with other fuel types.

WARNING

Summary of Contents for PT-125 SS

Page 1: ...RESIDENTIAL LIVING AREAS OR IN ENCLOSED SPACES WITHOUT ADEQUATE VENTILATION TO BE USED IN WELL VENTILATED COMMERCIAL INDUSTRIAL OCCUPANCIES This is an unvented portable heater that uses air Oxygen fr...

Page 2: ...NG INSTRUCTIONS Failure to comply with the precautions and instructions provided with this heater can result in death serious bodily injury property loss or damage from the hazards of fire soot produc...

Page 3: ...are foot 2 800 cm2 opening of outside air for every 29 kW Hr heater rating Refer to Ventilation on page 7 for further instructions ALWAYS use only the electrical power voltage and frequency specified...

Page 4: ...t Knob Can Tilt Up To 15 Wheel Drain Bolt Wheel Frame Fuel Cap Handle Specifications Model PT70 SS Plus PT 125 SS Rating kW Hr 20 5 36 6 Fuel Consumption L Hr 1 9 3 2 Fuel Tank Capacity L 15 1 53 Max...

Page 5: ...rews 2 Carry Handle Assembly 1 Align holes in the upper housing with the 2 holes in the handle as shown in Figure 3 2 Insert screws and tighten firmly Tools Needed Phillips Head Screw Driver Figure 3...

Page 6: ...m the shipping carton Tools Needed Phillips Head Screw Driver 8 mm open end wrench Assembly Instructions Tip Be sure to remove the axle from the side of the Styrofoam packaging Tip Use a power screwdr...

Page 7: ...ain structure on wheel frame and fasten with long screws provided 3 Attach safety guard to front of heater with screws provided 4 Attach Radiant Visors to the top and bottom rear of the Radiant Cone A...

Page 8: ...ociated with gasoline Ventilation Risk of indoor air pollution and Carbon Monoxide Poisoning Use heater only in well ventilated areas Refer to Safety Information on pages 1 2 for information about Car...

Page 9: ...n the PC board If the heater fails to ignite check this fuse first and replace if necessary Also check the power source to be sure the proper voltage is being provided to the heater 1 Complete steps 1...

Page 10: ...inal packaging and keep user s manual in an easily accessible place Service DO NOT TAMPER WITH THE UNIT HAVE AN EXPERIENCED SERVICEMAN MAKE ANY NECESSARY ADJUSTMENT OR REPAIRS We suggest following a m...

Page 11: ...y to soak nozzle in clean paraffin or diesel to help loosen any particles See Figure 13 PHOTOCELL The photocell should be cleaned at least once per heating season or more depending on conditions Use a...

Page 12: ...ble place Service DO NOT TAMPER WITH THE UNIT HAVE AN EXPERIENCED SERVICEMAN MAKE ANY NECESSARY ADJUSTMENT OR REPAIRS We suggest following a maintenance schedule as follows FUEL FUEL TANK Flush tank e...

Page 13: ...Maintenance PT 125 SS Service Continued PHOTOCELL The photocell should be cleaned at least once per heating season or more depending on conditions Use a cotton swab and water or alcohol to clean the l...

Page 14: ...ith clean fresh paraf fin diesel 6 Inspect all electrical connections See Wiring Diagrams Page 14 7 Re attach Transformer wires to Spark Plug 8 Replace Transformer Fan does not operate when heat er is...

Page 15: ...R UNATTENDED WHILE BURNING OR WHILE CONNECTED TO A POWER SOURCE Diesel Fired Radiant Heater User s Manual 2020 Lavorwash 14 Wiring Diagrams AC230V 50Hz 250V 3 15A PT70 SS Plus PT 125 SS Figure 23 Figu...

Page 16: ...23 0285 01 02 75 00702059 3 Fuel Pipe Assembly 75 023 0345 75 024 0725 4 Fuel Hose 75 024 0700 75 024 0700 5 Fuel Gauge 75 022 0210 01 04 75 007010071 6 Fuel cap 70 006 0135 70 006 0140 7 Cooling Fan...

Page 17: ...00 01 04 75 007010078 29 Burner Blade 75 036 0120 01 01 75 007010700 30 Nozzle 75 036 0435 01 01 75 007020215 31 Nipple 75 040 0610 01 01 75 007010203 32 Diffusion cap 75 036 0500 42 300 0010 33 Blowe...

Page 18: ...TED TO A POWER SOURCE Diesel Fired Radiant Heater User s Manual 2020 Lavorwash Exploded View PT 125 SS 17 ALWAYS contact the manufacturer of this heater before replacing any parts other than those spe...

Page 19: ...72 312520120 22 Back Cover 72 013 0110 01 02 72 012510061 23 Panel sub PCB 72 014 0105 01 04 72 012510107 24 Blower Motor 72 045 0100 01 04 72 312520116 24 internal parts Blower Housing Blower Wheel A...

Page 20: ...______________________ Serial ________________________________ Date of Purchase ________________________ Locating Your Serial Number Your serial number can be found on a blue label on the left side co...

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