Lodge Manufacturing GMD1-80N manual

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All installations and services must be performed by qualified service personnel.

VII. TROUBLESHOOTING

THIS SECTION IS ONLY TO BE PERFORMED BY TRAINED, QUALIFIED SERVICE PERSONNEL, AND NOT BY THE FURNACE OWNER.

NOTICE: BEFORE TROUBLESHOOTING, FAMILIARIZE YOURSELF WITH THE START UP AND CHECKOUT PROCEDURE. ALL INSTALLATION AND SERVICES MUST BE PERFORMED BY QUALIFIED HEATING CONTRACTORS

When testing electrical equipment, always follow standard electrical procedures and precautions.

1.Check for line voltage (110-120VAC) to the furnace. If there is no line voltage applied to the furnace, check that disconnecting switch is “on”, fuses or circuit breakers have not blown or tripped.

2.Make sure thermostat is “calling for heat”.

3.Check for adequate fuel supply and pressure. Are all the fuel shutoff valves open?

4.To assist you in troubleshooting this furnace, it is equipped with an integrated ignition control with diagnostics. These diagnostics evaluate what malfunction the control system has experienced and will activate a flashing light on the control in different sequences to help pinpoint the failure.

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Contents GAS-FIRED Furnace Safety Section Page Page Page Table of Contents Section Beginning Page Models GMD1-80N GMD1-80 III. Furnace Specifications ModelBlower Data IV. Installation Roof Jack Standard ChimneyFurnace Location Page Base Installation Page Alcove Installation Closet Installation ? Warning Hazard Combustion AIR Page GAS Piping Electrical Wiring AWG Propane Conversion Contents Quantity NAT. toManifold Removal and Orifice Change Page Adjustment of Heat Input Rate Initial Start UPOperating Instructions GAS Pressure Chart for ALL GMD1-80 Model Furnaces Burner Adjustment Furnace Checkout Procedure Setting Temperature RisePage Installers Instructions to User VI. Starting the Unit Refer to the Troubleshooting Section of this Manual Page Power must be disconnected before servicing Diagnostic FeaturesTurn Tstat Setting Above Room Temp Yes After GAS Valve OPENS, do the Burners IGNITE? Check ALL Inducer Blower Assembly VIII. Dealer MaintenanceElectrical BurnersGASKETS/SEALING Materials Inspecting the Venting SystemHeat Exchanger House AIR BlowerOn START-UP IX. User Information Section Inspection Areas Component LocationsFilter Location and Cleaning Appendix A. Replacement Parts List Page Appendix B Wiring Diagram
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