Trouble, Shooting, And Maintenance, page

Contents Models GVB35N and GVB50N OWNER’S OPERATION AND INSTALLATION MANUALVENTED NATURAL GAS HEATERS Save this manual for future referencePAGE CONTENTSSECTION WARNINGS SAFETYINFORMATION DANGERContinued SAFETY INFORMATIONWARNINGS Continued Figure 2 - Vented Natural Gas Heater, Rear View PRODUCT IDENTIFICATIONFigure 1 - Vented Natural Gas Heater 100353LOCAL CODES FEATURESINSTALLING UNPACKINGFor convenience and efficiency, install heater INSTALLING HEATERNever install the heater If you install the heater in a home garageVENTING HEATER INSTALLING HEATERContinued VENTING HEATER continued INSTALLING HEATERContinued Figure 4 - Improper Venting SystemsVENTING HEATER continued Proper Size Vent INSTALLING HEATERContinued Vent TypesHEATER INSTALLINGCONNECTING TO GAS SUPPLY ContinuedContinued INSTALLING HEATERFor purposes of input adjustment Pressure Testing Heater Gas Connections INSTALLINGPressure Testing Gas Supply Piping System HEATERFigure 9 - Removing Lower Front Access Panel INSTALLING HEATERINSTALLING GLASS PANEL ContinuedContinued INSTALLINGHEATER 8.Repeat steps 4 through 7 for all glass panelsCarbon monoxide poisoning may lead to death FRESH AIR FOR COMBUSTION AND VENTILATIONDANGER FRESH AIR FOR COMBUSTIONVENTILATION ContinuedVENTILATION FRESH AIR FORCOMBUSTION DANGERFRESH AIR FOR COMBUSTIONVENTILATION ContinuedLIGHTING INSTRUCTIONS OPERATING HEATERFOR YOUR SAFETY READ BEFORE LIGHTING Continued OPERATING HEATERContinued Figure 17 - Viewing PilotContinued MANUAL LIGHTING PROCEDUREOPERATING HEATER TO TURN OFF GAS TO APPLIANCEBURNER FLAME PATTERN INSPECTING PILOT AND BURNER FLAMEPILOT FLAME PATTERN ContinuedINSPECTING PILOT AND BURNER FLAME ContinuedCOMBUSTION CHAMBER AND BURNER CLEANING AND MAINTENANCECABINET PILOTand Maintenance, page TROUBLESHOOTING Cleaning and Mainte Cleaning and Mainteing and Maintenance TROUBLEMaintenance, page TROUBLE- SHOOTINGing and Maintenance CleaningSHOOTING ing and MaintenanceTROUBLE ContinuedSERVICE PROCEDURES Removing Control Valve and Burner TubeRemoving Burner SERVICE PROCEDURESContinued ContinuedChanging Burner Orifice SERVICE PROCEDURESContinued SPECIFICATIONS TECHNICAL SERVICESERVICE HINTS PARTS REPLACEMENTORDERING CENTRALSMANUAL SHUTOFF VALVE - GA5010 ACCESSORIESBLOWER KIT - PART NUMBER GA6010 ILLUSTRATED PARTS LISTAssembly BurnerGVB50N PARTS LIST Burner AssemblyPART NUMBER FOR GVB35NILLUSTRATED PARTS LIST Cabinet Assembly manualPage WARRANTY INFORMATION DESA