Technical Service, Service Hints, Specifications

Contents VENTED NATURAL GAS HEATERS OWNER’S OPERATION AND INSTALLATION MANUALModels GVB35N and GVB50N Save this manual for future referenceCONTENTS SECTIONPAGE INFORMATION SAFETYWARNINGS DANGERSAFETY INFORMATION WARNINGS ContinuedContinued 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 garageINSTALLING HEATER ContinuedVENTING HEATER Continued INSTALLING HEATERVENTING HEATER continued Figure 4 - Improper Venting SystemsContinued INSTALLING HEATERVENTING HEATER continued Proper Size Vent Vent TypesCONNECTING TO GAS SUPPLY INSTALLINGHEATER ContinuedINSTALLING HEATER For purposes of input adjustmentContinued 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 panelsFRESH AIR FOR COMBUSTION AND VENTILATION DANGERCarbon monoxide poisoning may lead to death VENTILATION COMBUSTIONFRESH AIR FOR ContinuedCOMBUSTION FRESH AIR FORVENTILATION DANGERVENTILATION COMBUSTIONFRESH AIR FOR ContinuedOPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTINGLIGHTING INSTRUCTIONS 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 PILOTTROUBLE SHOOTINGand Maintenance, page 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 ContinuedSERVICE PROCEDURES ContinuedChanging Burner Orifice TECHNICAL SERVICE SERVICE HINTSSPECIFICATIONS ORDERING REPLACEMENTPARTS CENTRALSACCESSORIES BLOWER KIT - PART NUMBER GA6010MANUAL SHUTOFF VALVE - GA5010 Assembly PARTS LISTILLUSTRATED BurnerPART NUMBER FOR PARTS LIST Burner AssemblyGVB50N GVB35Nmanual ILLUSTRATED PARTS LIST Cabinet AssemblyPage DESA WARRANTY INFORMATION