2
Vertical Convection Heaters
Heater Specifi cations ............................................................................................................... 4
General Information ................................................................................................................. 5
Safety Precautions .................................................................................................................. 6
Installation Instructions
General ......................................................................................................................... 10
Burner Installation, Norseman 200 Plus and Norseman 250 ........................................ 12
Hose and Regulator Assembly - Propane Heaters ....................................................... 12
Connecting the Regulator to the Gas Supply
Propane Heaters ................................................................................................ 13
Natural Gas Heaters ........................................................................................... 13
Lighting and Shut Down Instructions
Workman 225 Plus ............................................................................................. 14
Cleaning Instructions ............................................................................................................... 17
Maintenance Instructions ......................................................................................................... 18
Service Instructions ................................................................................................................. 19
General ......................................................................................................................... 19
Workman 225 Plus ........................................................................................................ 19
Burner Orifi ce and Safety Control Valve ............................................................. 19
Pilot Orifi ce ......................................................................................................... 20
Burner Orifi ce ..................................................................................................... 20
Norseman 200 Plus and Norseman 250 ....................................................................... 21
Burner Orifi ce ..................................................................................................... 21
Pilot Orifi ce ......................................................................................................... 21
Safety Control Valve ........................................................................................... 21
Gas Pressure Checks ................................................................................................... 24
Troubleshooting Information .................................................................................................... 26
Heater Component Function ................................................................................................... 27
Parts Identifi cation
Parts Schematic and Parts List
Workman 225 Plus ............................................................................................. 28
Warranty Policy, Replacement Parts, and Service .................................................................. 33
Owner's Manual • Workman & Norseman
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