Thermo Products GMD1-60N, GDM1-80N service manual Installers Instructions to User

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

V. INSTALLER'S INSTRUCTIONS TO USER:

After completing the installation, the installer shall inform and/or demonstrate to the homeowner:

1.The location of all the instructions in the furnace must be kept along with instructions for any accessories in the plastic pouch near the furnace.

2.The location and use of the manual gas shut off valve and furnace electrical disconnect switch. Instruct user to always shut off gas before shutting off electric power.

3.The sequence of operation of the furnace.

4.The correct operation and maintenance of the appliance as outlined in the Users Information section of this manual.

5.That failure to maintain and operate this furnace in accordance with these instructions could result in hazardous conditions, bodily injury, and property damage and may void the limited warranty on the furnace.

6.Review with and encourage the user to read the label reproductions and all warnings and instructions outlined on the front cover and in sections I, II and III of this manual and in the Users Information section of this manual.

7.Recommend the user has a qualified heating contractor inspect the furnace at the start of each heating season. Inform the user of the frequency of inspection required for reach item in the User Information Section of this manual.

8.Should the furnace not operate after installation – note diagnostic code through view port prior to removing door.

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Contents GAS-FIRED Furnace Safety Section Page What to do if YOU Smell GAS All installations Table of Contents Section Beginning Page Closet Alcove GMD1-60 GMD1-80 III. Furnace Specifications ModelGMD1-60 Blower DataIV. Installation Roof Jack Standard ChimneyFurnace Location Page Base Installation Page Alcove Installation Closet Installation  Warning Hazard Combustion AIR Page GAS Piping Electrical Wiring AWG Adjustment of Heat Input Rate Initial Start UPOperating Instructions Supply Pressure Manifold Pressure NAT Burner Adjustment Setting Temperature Rise Furnace Checkout Procedure 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 VIII. Dealer Maintenance ElectricalBurners Inspecting the Venting System Inducer Blower AssemblyExtended Shutdown GASKETS/SEALING MaterialsHeat Exchanger House AIR BlowerIX. User Information Section Inspection Areas Component LocationsFilter Location and Cleaning Appendix a Replacement Parts Page Appendix B Wiring Diagram