L.B. White Tradesman 400 Dual Fuel, Owner'S Manual And Instructions, Page: 2 / 120

Tradesman Construction Heaters
www.lbwhite.com
Owner’s Manual • Tradesman
2
TABLE OF CONTENTS
Heater Speci fi cations ...................................................................................................... 4
General Information ........................................................................................................ 5
Safety Precautions ......................................................................................................... 6
General Installation Instructions ..................................................................................... 10
Propane Gas Supply Sizing ............................................................................................ 12
Handle Assembly ............................................................................................................ 13
Hose and Regulator Assembly ....................................................................................... 13
Connecting Regulator to Gas Supply ............................................................................. 14
Height Adjustment (Tradesman 170) .............................................................................. 14
Start-Up Instructions ....................................................................................................... 15
Shut-Down Instruction .................................................................................................... 15
Gas Selector Valve ......................................................................................................... 16
Variable Rate Valve ........................................................................................................ 15
Cleaning Instructions ...................................................................................................... 16
Maintenance Instructions ................................................................................................ 17
Service Instructions ........................................................................................................ 17
Motor, Fan, and Air Proving Switch ................................................................................ 18
Auto Reset Limit Switches .............................................................................................. 18
Igniter .............................................................................................................................. 19
Thermostat ..................................................................................................................... 20
Ignition Control ............................................................................................................... 20
Gas Pressure Checks ..................................................................................................... 21
Burner Ori fi ce LP & DF ................................................................................................... 22
Troubleshooting Information ........................................................................................... 23
Electrical Connection and Ladder Diagrams
Tradesman 170 Standard ..................................................................................... 32
Tradesman 170 Ultra, and All Tradesman 400 ..................................................... 33
Heater Component Function .......................................................................................... 34
Parts Identi fi cation
Tradesman 170 Parts Schematic and Parts List .................................................. 35/36
Tradesman 400 Parts Schematic and Parts List .................................................. 37/38
Warranty Policy............................................................................................................... 40
Replacement Parts and Service ..................................................................................... 40
WARNING
Standard products are manufactured to operate at optimum ef fi ciency at elevations
between 0 and 2000 ft. (0-610m) above sea level.
If operated at higher elevations the product will not function correctly and may
function in an unsafe nature.
Products providing proper operation for alternate elevations may be available.
If you require a high elevation product, did not specify when ordering, and/or the
box this unit came in does not have an alternate altitude designation sticker please
contact technical support.