Trouble, Shooting, Continued, Cleaning and Mainte

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Contents

Save this manual for future reference OWNER’S OPERATION AND INSTALLATION MANUALVENTED NATURAL GAS HEATERS Models GVB35N and GVB50N CONTENTS SECTIONPAGE DANGER SAFETYINFORMATION WARNINGS SAFETY INFORMATION WARNINGS ContinuedContinued 100353 PRODUCT IDENTIFICATIONFigure 1 - Vented Natural Gas Heater Figure 2 - Vented Natural Gas Heater, Rear View UNPACKING FEATURESINSTALLING LOCAL CODES If you install the heater in a home garage INSTALLING HEATERNever install the heater For convenience and efficiency, install heater INSTALLING HEATER ContinuedVENTING HEATER Figure 4 - Improper Venting Systems INSTALLING HEATERContinued VENTING HEATER continued Vent Types INSTALLING HEATERContinued VENTING HEATER continued Proper Size Vent Continued INSTALLINGCONNECTING TO GAS SUPPLY HEATER INSTALLING HEATER For purposes of input adjustmentContinued HEATER INSTALLINGPressure Testing Gas Supply Piping System Pressure Testing Heater Gas Connections Continued INSTALLING HEATERINSTALLING GLASS PANEL Figure 9 - Removing Lower Front Access Panel 8.Repeat steps 4 through 7 for all glass panels INSTALLINGHEATER Continued FRESH AIR FOR COMBUSTION AND VENTILATION DANGERCarbon monoxide poisoning may lead to death Continued COMBUSTIONVENTILATION FRESH AIR FOR DANGER FRESH AIR FORCOMBUSTION VENTILATION Continued COMBUSTIONVENTILATION FRESH AIR FOR OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTINGLIGHTING INSTRUCTIONS Figure 17 - Viewing Pilot OPERATING HEATERContinued Continued TO TURN OFF GAS TO APPLIANCE MANUAL LIGHTING PROCEDUREOPERATING HEATER Continued Continued INSPECTING PILOT AND BURNER FLAMEPILOT FLAME PATTERN BURNER FLAME PATTERN Continued INSPECTING PILOT AND BURNER FLAME PILOT CLEANING AND MAINTENANCECABINET COMBUSTION CHAMBER AND BURNER TROUBLE SHOOTINGand Maintenance, page TROUBLE Cleaning and Mainteing and Maintenance Cleaning and Mainte Cleaning TROUBLE- SHOOTINGing and Maintenance Maintenance, page Continued ing and MaintenanceTROUBLE SHOOTING Removing Control Valve and Burner Tube SERVICE PROCEDURES Continued SERVICE PROCEDURESContinued Removing Burner SERVICE PROCEDURES ContinuedChanging Burner Orifice TECHNICAL SERVICE SERVICE HINTSSPECIFICATIONS CENTRALS REPLACEMENTORDERING PARTS ACCESSORIES BLOWER KIT - PART NUMBER GA6010MANUAL SHUTOFF VALVE - GA5010 Burner PARTS LISTAssembly ILLUSTRATED GVB35N PARTS LIST Burner AssemblyPART NUMBER FOR GVB50N manual ILLUSTRATED PARTS LIST Cabinet AssemblyPage DESA WARRANTY INFORMATION

Desa GVB50N, GVB35N Trouble, Shooting, Continued, Cleaning and Mainte, ing and Maintenance

Models: GVB35N GVB50N