Save this manual for future reference.For more information, visit www.desatech.comIMPORTANT: Read and understand this manual beforeassembling, starting or servicing heater. Improper useof heater can cause serious injury. Keep this manual forfuture reference.HEATER SIZES:125,000, 170,000 AND 200,000 BTU/HRKEROSENE/DIESEL HEATER WITH BUILT-IN THERMOSTATPORTABLE FORCED AIR HEATERSOWNER’S MANUALFill In For Your RecordsModel No. __________________(Located on side panel)Serial No. __________________(Located on fuel tank)Date of Purchase: ____________TABLE OF CONTENTSSafety Information ............................................... 2Unpacking ........................................................... 3Fuels .................................................................... 3Product Identification ........................................... 3Theory of Operation ............................................ 4Ventilation ............................................................ 4Assembly ............................................................. 4Operation ............................................................. 5Operation with Portable Generator ...................... 7Storing, Transporting or Shipping ........................ 7Preventative Maintenance Schedule ................... 8Troubleshooting ................................................... 8Service Procedures ........................................... 10Specifications .................................................... 15Wiring Diagrams ................................................ 16Technical Service .............................................. 17Replacement Parts ............................................ 17Accessories ....................................................... 17Illustrated Parts Breakdown and Parts List ....... 18Warranty and Repair Service ............................ 28