Desa 100,000 Btu/Hr Owner's Manual

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Contents

Desa 100,000 Btu/Hr Owner's Manual Manual pdf 9 page image

www.desatech.com118419-01E 9VentilationWARNING: Provide a fresh airopening of at least three squarefeet (2,800 square cm) for each100,000 BTU/HR rating. Provideextra fresh air if more heatersare being used. The minimumventilation requirements mustbe followed to avoid risks as-sociated with carbon monoxidepoisoning. Make certain theserequirements are met prior tooperating heater.Example: A 200,000 Btu/Hr (58.6 kw) heaterrequires one of the following:• a two-car garage door [16 feet (4.88 meter)opening] raised 5" (12.7 cm)• a single-car garage door [9 feet (2.74 me-ter) opening] raised 8" (20.3 cm)• two, 30" (76.2 cm) windows raised 15"(38.1 cm)tHeory oF oPerationThe Fuel System: The air pump forces airthrough the air line. Air is then pushed throughthe nozzle. This air causes fuel to be liftedfrom the tank. A fine mist of fuel is sprayedinto the combustion chamber.The Air System: The motor turns the fan. Thefan pushes air into and around the combustionchamber. This air is heated and provides astream of clean, hot air.The Ignition System: The high voltage ig-nitor provides power to the spark ignitor. Thisignites the fuel/air mixture in the combustionchamber.The Flame-Out Control System: This sys-tem causes the heater to shut down if theflame goes out.