Unvented Natural Gas Log Heater, Troubleshooting

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Contents

OWNER’S OPERATION AND INSTALLATION MANUAL where not prohibited by state or local codesDESA INTERNATIONAL —WHAT TO DO IF YOU SMELL GAS WARNINGS SAFETY INFORMATIONUNVENTED NATURAL GAS LOG HEATER PRODUCT FEATURES Safety DevicePRODUCT IDENTIFICATION LOCAL CODES AIR FOR COMBUSTION AND VENTILATION PROVIDING ADEQUATE VENTILATIONDETERMINING AIR FLOW FOR HEATER LOCATION Unusually Tight Construction Continued VENTILATION AIRVentilation Air From Inside Building Ventilation Air From Outdoors INSTALLATION INSTALLATION AND CLEARANCESIf Not Using Mantel CHECK GAS TYPE If Using Mantel Mantel ClearancesDetermining Minimum Mantel Clearance INSTALLATION Floor Clearances INSTALLATIONUNVENTED NATURAL GAS LOG HEATER Continued INSTALLING HEATER BASE ASSEMBLY Installation Items NeededINSTALLATION Continued CONNECTING TO GAS SUPPLY INSTALLATIONInstallation Items Needed UNVENTED NATURAL GAS LOG HEATER Pressure Testing Gas Supply Piping System Pressure Testing Heater Gas ConnectionsCHECKING GAS CONNECTIONS Test Pressures In Excess Of 1/2 PSIG INSTALLING LOGS American Oak Design Models INSTALLATIONUNVENTED NATURAL GAS LOG HEATER Continued INSTALLING LOGS Split Oak Design Models INSTALLATIONFigure 22 - Installing Bottom Middle Log Figure 24 - Installing Top Log #4 Thermostat-ControlledModels FOR YOUR SAFETY OPERATING HEATERREAD BEFORE LIGHTING LIGHTING INSTRUCTIONS MANUAL LIGHTING PROCEDURE Manually-ControlledModels FOR YOUR SAFETYThermostat Controlled Models TO TURN OFF GAS TO APPLIANCE INSPECTING BURNERS Manually-ControlledModelsVARIABLE CONTROL OPERATION PILOT FLAME PATTERN CLEANING AND MAINTENANCE FRONT BURNER FLAME PATTERNODS/PILOT AND BURNERS LOGS TROUBLESHOOTING OBSERVED PROBLEMPOSSIBLE CAUSE REMEDY TROUBLESHOOTING OBSERVED PROBLEMMaintenance, page Continued TROUBLESHOOTING OBSERVED PROBLEMMaintenance, page UNVENTED NATURAL GAS LOG HEATER OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB For Masonry and Factory- built Metal Fireplace SPECIFICATIONS REPLACEMENT PARTSSERVICE HINTS TECHNICAL SERVICE ACCESSORIES MANUAL SHUTOFF VALVE - GA5010BLACK FIREPLACE HOOD - GA6050 BRASS FIREPLACE HOOD - GA6052 ILLUSTRATED PARTS BREAKDOWN4 Variable Manually Controlled Models VS18NVBCFS18NVB VS24NVB CFS24NVB VS30NVB CFS30NVB UNVENTED NATURAL GAS LOG HEATER PARTS LIST Variable Manually-ControlledSplit Oak ModelsPART NUMBER FOR VS18NVB/CFS18NVB ILLUSTRATED PARTS BREAKDOWN UNVENTED NATURAL GAS LOG HEATER Thermostat-ControlledSplit Oak Models PARTS LISTPART NUMBER FOR VS18NTA ILLUSTRATED PARTS3 BREAKDOWN Variable Manually-Controlled Models VL18NV VL24NVVL30NV UNVENTED NATURAL GAS LOG HEATER Variable Manually-ControlledAmerican Oak Models PARTS LISTPART NUMBER FOR VL18NV UNVENTED NATURAL GAS LOG HEATER Page NOT A UPC LIMITED WARRANTY VENT-FREENATURAL GAS LOG HEATERSWARRANTY INFORMATION

Desa 103426-01 Unvented Natural Gas Log Heater, Troubleshooting, Continued, Observed Problem

Models: 103426-01