CANADIAN PROPANE CONSTRUCTION CONVECTION HEATEROWNER’S MANUALIMPORTANT: Read and understand this manual beforeassembling, starting, or servicing heater. Improper useof heater can cause serious injury. Keep this manual forfuture reference.GENERAL HAZARD WARNING:Failure to comply with the precautions and instructionsprovided with this heater, can result in death, seriousbodily injury and property loss or damage from hazardsof fire, explosion, burn, asphyxiation, and/or carbonmonoxide poisoning.Only persons who can understand and follow the in-structions should use or service this heater.If you need assistance or heater information such as aninstructions manual, labels, etc. contact the manufacturer.Variable 15,000/25,000Btu/Hr ModelsSave this manual for future reference.For more information, visit www.desatech.comTABLE OF CONTENTSSafety Information ............................................... 2Product Identification .......................................... 3Unpacking ........................................................... 3Theory of Operation ............................................ 3Ventilation ........................................................... 3Propane Supply .................................................. 4Installation ........................................................... 4Operation ............................................................ 4Storage ............................................................... 5Maintenance ....................................................... 5Inspecting Burner ................................................ 5Specifications ...................................................... 6Troubleshooting .................................................. 6Technical Service ................................................ 6Illustrated Parts Breakdown and Parts List ......... 7Replacement Parts ............................................. 7Warranty and Repair Service .............................. 8