Desa GVB35N, GVB50N installation manual Service Procedures, Removing Control Valve and Burner Tube

Contents Models GVB35N and GVB50N OWNER’S OPERATION AND INSTALLATION MANUALVENTED NATURAL GAS HEATERS Save this manual for future referenceCONTENTS SECTIONPAGE WARNINGS SAFETYINFORMATION DANGERSAFETY INFORMATION WARNINGS ContinuedContinued 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 garageINSTALLING HEATER ContinuedVENTING HEATER VENTING HEATER continued INSTALLING HEATERContinued Figure 4 - Improper Venting SystemsVENTING HEATER continued Proper Size Vent INSTALLING HEATERContinued Vent TypesHEATER INSTALLINGCONNECTING TO GAS SUPPLY ContinuedINSTALLING HEATER For purposes of input adjustmentContinued 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 panelsFRESH AIR FOR COMBUSTION AND VENTILATION DANGERCarbon monoxide poisoning may lead to death FRESH AIR FOR COMBUSTIONVENTILATION ContinuedVENTILATION FRESH AIR FORCOMBUSTION DANGERFRESH AIR FOR COMBUSTIONVENTILATION ContinuedOPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTINGLIGHTING INSTRUCTIONS 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 PILOTTROUBLE SHOOTINGand Maintenance, page 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 ContinuedSERVICE PROCEDURES ContinuedChanging Burner Orifice TECHNICAL SERVICE SERVICE HINTSSPECIFICATIONS PARTS REPLACEMENTORDERING CENTRALSACCESSORIES BLOWER KIT - PART NUMBER GA6010MANUAL SHUTOFF VALVE - GA5010 ILLUSTRATED PARTS LISTAssembly BurnerGVB50N PARTS LIST Burner AssemblyPART NUMBER FOR GVB35NILLUSTRATED PARTS LIST Cabinet Assembly manualPage WARRANTY INFORMATION DESA