Table Of Contents - Whirlpool WGFD293 Installation Instructions Manual

GAS FURNACE SAFETY PRECAUTIONS ....................................3
PRODUCT DESCRIPTION AND APPLICATION ..........................4
Shipping Inspection .....................................................................4
Electrostatic Discharge (ESD) ......................................................4
To The Installer.............................................................................4
Important Note to the Owner Regarding Product Warranty .......4
Product Application......................................................................5
LOCATION REQUIREMENTS AND CONSIDERATIONS ............6
Clearances and Accessibility .......................................................7
Furnace Suspension ....................................................................7
Existing Furnace Removal ...........................................................7
Thermostat Location ....................................................................7
Combustion and Ventilation Air Requirements ...........................8
HORIZONTAL APPLICATIONS AND CONSIDERATIONS..........8
Drain Trap and Lines ....................................................................9
Leveling ........................................................................................9
Alternate Vent/Flue Connections .................................................9
Alternate Electrical and Gas Line Connections ...........................9
Drain Pan......................................................................................9
Freeze Protection .........................................................................9
Furnace Suspension ....................................................................9
PROPANE GAS/HIGH ALTITUDE INSTALLATIONS .................10
VENT/FLUE PIPE AND COMBUSTION AIR PIPE......................10
Dual Certification: Nondirect/Direct Vent...................................10
Materials and Joining Methods..................................................11
Proper Vent/Flue and Combustion Air Piping Practices ...........11
Termination Locations................................................................11
Canadian Venting Requirements ...............................................11
Standard Furnace Connections.................................................11
Vent/Flue Pipe ............................................................................11
Combustion Air Pipe-Direct Vent Installations ........................12
Combustion Air Pipe-Nondirect Vent Installations..................12
Alternate Furnace Connections .................................................13
Alternate Vent/Flue Location......................................................13
Alternate Combustion Air Intake Location.................................14
Nondirect Vent (Single Pipe) Piping...........................................15
Nondirect Vent Applications ......................................................15
Vent/Flue Pipe Terminations ......................................................16
Direct Vent (Dual Pipe) Piping ....................................................17
Vent/Flue and Combustion Air Pipe Lengths and Diameters....17
Vent/Intake Terminations for Installation of
Multiple Direct Vent Furnaces....................................................19
Concentric Vent Termination .....................................................20
Side Wall Vent Kit.......................................................................20
CONDENSATE DRAIN LINES AND DRAIN TRAP .....................20
Standard Right or Left Side Drain Hose Connections...............20
Upright Installations-Trap on Right Side .................................20
Upright Installations-Trap on Left Side....................................21
Upright Drain Trap Mounting-Left or Right Side Panel ...........22
Horizontal Installations-Right Side Down................................22
Horizontal Installations-Left Side Down ..................................23
Horizontal Drain Trap Mounting-Left or Right Side Panel.......23
ELECTRICAL CONNECTIONS ....................................................23
Wiring Harness ...........................................................................23
115-Volt Line Connections.........................................................24
Junction Box Relocation............................................................24
24-Volt Thermostat Wiring .........................................................24
24-Volt Dehumidistat Wiring ......................................................25
Fossil Fuel Applications .............................................................26
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Table of Contents

115-Volt Line Connection of Accessories (Humidifier and
Electronic Air Cleaner)................................................................26
GAS SUPPLY AND PIPING..........................................................26
High Altitude Derate ...................................................................27
Propane Gas Conversion ...........................................................27
Gas Control Valve.......................................................................27
Gas Piping Connections ............................................................27
Gas Piping Checks.....................................................................29
Propane Gas Tanks and Piping .................................................29
CIRCULATING AIR AND FILTERS ..............................................31
Ductwork-Airflow .....................................................................31
Bottom Return Air Opening-Upflow Models] ..........................31
Filters-Read This Section Before Installing the Return Air
Ductwork ....................................................................................32
START-UP PROCEDURE AND ADJUSTMENT .........................33
Heat Anticipator Setting .............................................................33
Drain Trap Priming......................................................................33
Furnace Operation......................................................................33
Furnace Start-up ........................................................................33
Furnace Shutdown .....................................................................34
Gas Supply Pressure Measurement ..........................................34
Gas Manifold Pressure Measurement and Adjustment.............35
Gas Input Rate Measurement-Natural Gas Only.....................36
Temperature Rise .......................................................................36
Circulator Blower Speeds ..........................................................36
Blower Heat Off Delay Timings ..................................................39
NORMAL SEQUENCE OF OPERATION .....................................39
Power Up....................................................................................39
Heating Mode.............................................................................39
Cooling Mode .............................................................................39
Fan Only Mode ...........................................................................40
Operational Checks....................................................................40
SAFETY CIRCUIT DESCRIPTION ...............................................40
Integrated Control Module .........................................................40
Primary Limit Control..................................................................40
Auxiliary Limit Controls...............................................................40
Rollout Limit Controls.................................................................40
Pressure Switches......................................................................40
Flame Sensor..............................................................................40
MAINTENANCE ............................................................................41
Annual Inspection.......................................................................41
Filters ..........................................................................................41
Burners .......................................................................................41
Induced Draft and Circulator Blowers........................................41
Condensate Trap and Drain System (Qualified Servicer Only)..41
Flame Sensor (Qualified Servicer Only)......................................41
Flue Passages (Qualified Servicer Only) ....................................41
Before Leaving an Installation....................................................42
Repair and Replacement Parts ..................................................42
TROUBLESHOOTING ..................................................................42
Electrostatic Discharge (ESD) Precautions................................42
Fault Recall .................................................................................42
Resetting from Lockout..............................................................43
Status Codes..............................................................................43
Diagnostic Chart.........................................................................43
WIRING DIAGRAM .......................................................................50
ASSISTANCE OR SERVICE .........................................................51