Combustion, Ventilation, Fresh Air For, Continued

Contents VENTED NATURAL GAS HEATERS OWNER’S OPERATION AND INSTALLATION MANUALModels GVB35N and GVB50N Save this manual for future referencePAGE CONTENTSSECTION INFORMATION SAFETYWARNINGS DANGERContinued SAFETY INFORMATIONWARNINGS Continued Figure 1 - Vented Natural Gas Heater PRODUCT IDENTIFICATIONFigure 2 - Vented Natural Gas Heater, Rear View 100353INSTALLING FEATURESLOCAL CODES UNPACKINGNever install the heater INSTALLING HEATERFor convenience and efficiency, install heater If you install the heater in a home garageVENTING HEATER INSTALLING HEATERContinued Continued INSTALLING HEATERVENTING HEATER continued Figure 4 - Improper Venting SystemsContinued INSTALLING HEATERVENTING HEATER continued Proper Size Vent Vent TypesCONNECTING TO GAS SUPPLY INSTALLINGHEATER ContinuedContinued INSTALLING HEATERFor purposes of input adjustment Pressure Testing Gas Supply Piping System INSTALLINGPressure Testing Heater Gas Connections HEATERINSTALLING GLASS PANEL INSTALLING HEATERFigure 9 - Removing Lower Front Access Panel ContinuedHEATER INSTALLINGContinued 8.Repeat steps 4 through 7 for all glass panelsCarbon monoxide poisoning may lead to death FRESH AIR FOR COMBUSTION AND VENTILATIONDANGER VENTILATION COMBUSTIONFRESH AIR FOR ContinuedCOMBUSTION FRESH AIR FORVENTILATION DANGERVENTILATION COMBUSTIONFRESH AIR FOR ContinuedLIGHTING INSTRUCTIONS OPERATING HEATERFOR YOUR SAFETY READ BEFORE LIGHTING Continued OPERATING HEATERContinued Figure 17 - Viewing PilotOPERATING HEATER MANUAL LIGHTING PROCEDUREContinued TO TURN OFF GAS TO APPLIANCEPILOT FLAME PATTERN INSPECTING PILOT AND BURNER FLAMEBURNER FLAME PATTERN ContinuedContinued INSPECTING PILOT AND BURNER FLAMECABINET CLEANING AND MAINTENANCECOMBUSTION CHAMBER AND BURNER PILOTand Maintenance, page TROUBLESHOOTING ing and Maintenance Cleaning and MainteCleaning and Mainte TROUBLEing and Maintenance TROUBLE- SHOOTINGMaintenance, page CleaningTROUBLE ing and MaintenanceSHOOTING ContinuedRemoving Control Valve and Burner Tube SERVICE PROCEDURESContinued SERVICE PROCEDURESRemoving Burner ContinuedChanging Burner Orifice SERVICE PROCEDURESContinued SPECIFICATIONS TECHNICAL SERVICESERVICE HINTS ORDERING REPLACEMENTPARTS CENTRALSMANUAL SHUTOFF VALVE - GA5010 ACCESSORIESBLOWER KIT - PART NUMBER GA6010 Assembly PARTS LISTILLUSTRATED BurnerPART NUMBER FOR PARTS LIST Burner AssemblyGVB50N GVB35Nmanual ILLUSTRATED PARTS LIST Cabinet AssemblyPage DESA WARRANTY INFORMATION