Thermon, Heater, models:

Caloritech EX Series	Installation, Operation & Maintenance Instructions Manual
HELLFIRE 400	Installation, Operation & Maintenance Instructions Manual
HELLFIRE 905	Soft-Starter Operation And Parameters
Norseman XB Series	Installation, Operation & Maintenance Instructions Manual
Ruffneck	Troubleshooting Tips
Ruffneck RGE Series	Installation & Operation Instructions