Desa R Owner's Operation And Installation Manual

Also see for E18N: OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL Owner's guide

Desa R Owner's Operation And Installation Manual Manual pdf 6 page image

104415-01HFor more information, visit www.desatech.comFor more information, visit www.desatech.com6AIR FOR COMBUSTION ANDVENTILATIONContinuedVENTILATION AIRVentilation Air From Inside BuildingThis fresh air would come from an adjoining unconfined space.When ventilating to an adjoining unconfined space, you mustprovide two permanent openings: one within 12" of the ceiling andone within 12" of the floor on the wall connecting the two spaces(see options 1 and 2, Figure 2). You can also remove door intoadjoining room (see option 3, Figure 2). Follow the National FuelGas Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for Combustionand Ventilation for required size of ventilation grills or ducts.Ventilation Air From OutdoorsProvide extra fresh air by using ventilation grills or ducts. You mustprovide two permanent openings: one within 12" of the ceiling andone within 12" of the floor. Connect these items directly to theoutdoors or spaces open to the outdoors. These spaces include atticsand crawl spaces. Follow the National Fuel Gas Code, ANSIZ223.1/NFPA 54, Section 5.3, Air for Combustion and Ventilationfor required size of ventilation grills or ducts.IMPORTANT: Do not provide openings for inlet or outlet air intoattic if attic has a thermostat-controlled power vent. Heated airentering the attic will activate the power vent.Figure 3 - Ventilation Air from OutdoorsFigure 2 - Ventilation Air from Inside BuildingOutletAirVentilatedAtticOutletAirInletAirInlet Air VentilatedCrawl SpaceToCrawlSpaceTo AtticOrRemoveDoor intoAdjoiningRoom,Option3Ventilation GrillsInto Adjoining Room,Option 2VentilationGrillsInto AdjoiningRoom,Option 112"12"AIR FOR COMBUSTION AND VENTILATIONVentilation Air