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Safety Considerations ...................................................
Additional Safety Considerations ..............................
Shipping Inspection .........................................................
Electrostatic Discharge (ESD) Precautions .............
To The Installer ...............................................................
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Clearances And Accessibility ......................................
Installation Positions ....................................................
Horizontal Installation .................................................
Furnace Suspension ........................................................
Existing Furnace Removal .............................................
Thermostat Location ......................................................
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CATEGORY I VENTING (VERTICAL VENTING) .........
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Masonry Chimney Termination ....................................
Electrical Connections ...............................................
Wiring Harness ..............................................................
115 Volt Line Connections ...........................................
Fossil Fuel Applications ..............................................
Junction Box Relocation .............................................
24 Volt Thermostat Wiring ..........................................
115 Volt Line Connection Of Accessories................
Connection of 24 Volt Humidifier ..............................
Twinning ..........................................................................
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High Altitude Derate ....................................................
Propane Gas Conversion .............................................
Gas Piping Connections ...............................................
Upflow Installations ....................................................
Counterflow Installations .........................................
Gas Piping Checks .........................................................
Propane Gas Tanks And Piping ....................................
Ductwork ........................................................................
Filters - Read This Section Before
Installing The Return Air Ductwork ...................
(INTEGRATED IGNITION CONTROL) .....................
Power Up .........................................................................
Heating Mode ..................................................................
Cooling Mode .................................................................
Fan Only Mode ................................................................
START-UP PROCEDURE AND ADJUSTMENT
Furnace Operation ........................................................
Furnace Start-Up ..........................................................
Furnace Shutdown ........................................................
Gas Supply Pressure Measurement ..........................
Gas Manifold Pressure Measurement
And Adjustment ........................................................
Gas Input Rate Measurement (Natural Gas Only) ..
Temperature Rise ..........................................................
Circulator Blower Speed Adjustment .....................
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Checking Duct Static ....................................................
Burner Flame .................................................................
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eneral ...........................................................................
Integrated Control Module ........................................
Primary Limit ..................................................................
Auxiliary Limit ...............................................................
Rollout Limits ...............................................................
Pressure Switches ........................................................
Flame Sensor .................................................................
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Diagnostic Chart ...........................................................
Fault Code Retrieval ....................................................
Fault Code Reset ...........................................................
Resetting From Lockout..............................................
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Annual Inspection .........................................................
Filters ..............................................................................
Filter Maintenance .......................................................
Filter Removal ...............................................................
Induced Draft And Circulator Blower Motors ......
Flame Sensor (Qualified Servicer Only .................. 27
Igniter (Qualified Servicer Only) ..............................
Burners ...........................................................................
Cleaning (Qualified Servicer Only) ..........................
BEFORE LEAVING AN INSTALLATION
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TABLE OF CONTENTS