2
Tradesman Construction Heaters
Heater Specifi cations ...................................................................................................... 4
General Information ........................................................................................................ 5
Safety Precautions ......................................................................................................... 6
Handle Assembly ............................................................................................................ 13
Connecting Regulator to Gas Supply ............................................................................. 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
Igniter .............................................................................................................................. 19
Thermostat ..................................................................................................................... 20
Ignition Control ............................................................................................................... 20
Gas Pressure Checks ..................................................................................................... 21
Burner Orifi ce LP & DF ................................................................................................... 22
Troubleshooting Information ........................................................................................... 23
Electrical Connection and Ladder Diagrams
Tradesman 170 Standard ..................................................................................... 32
Tradesman 170 Ultra, and All Tradesman 400 ..................................................... 33
Parts Identifi 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
Standard products are manufactured to operate at optimum effi 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.
Owner's Manual • Tradesman
TABLE OF CONTENTS
WARNING