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Table Of Contents - Whirlpool WGFM29 Installation Instructions Manual

93% and 95% 2-stage variable-speed gas furnace
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GAS FURNACE SAFETY PRECAUTIONS ....................................3
PRODUCT DESCRIPTION AND APPLICATION ..........................4
Shipping Inspection .....................................................................4
Electrostatic Discharge (ESD) ......................................................4
To The Installer.............................................................................4
Product Application......................................................................5
Clearances and Accessibility .......................................................6
Furnace Suspension ....................................................................7
Existing Furnace Removal ...........................................................7
Thermostat Location ....................................................................7
Combustion and Ventilation Air Requirements ...........................8
Drain Trap and Lines ....................................................................8
Leveling ........................................................................................8
Alternate Vent/Flue Connections .................................................8
Drain Pan......................................................................................9
Freeze Protection .........................................................................9
Furnace Suspension ....................................................................9
Dual Certification: Nondirect/Direct Vent...................................10
Materials and Joining Methods..................................................10
Termination Locations................................................................11
Canadian Venting Requirements ...............................................11
Standard Furnace Connections.................................................11
Vent/Flue Pipe ............................................................................12
Alternate Furnace Connections .................................................12
Alternate Vent/Flue Location......................................................13
Alternate Combustion Air Intake Location.................................14
Nondirect Vent (Single Pipe) Piping...........................................14
Nondirect Vent Applications ......................................................15
Vent/Flue Pipe Terminations ......................................................15
Direct Vent (Dual Pipe) Piping ....................................................16
of Multiple Direct Vent Furnaces................................................19
Concentric Vent Termination .....................................................19
Side Wall Vent Kit.......................................................................19
Upright Installations-Trap on Right Side .................................20
Upright Installations-Trap on Left Side....................................21
Horizontal Installations-Right Side Down................................21
Horizontal Installations-Left Side Down ..................................22
ELECTRICAL CONNECTIONS ....................................................23
Wiring Harness ...........................................................................23
115-Volt Line Connections.........................................................23
Junction Box Relocation............................................................23
24-Volt Thermostat Wiring .........................................................24
24-Volt Dehumidistat Wiring ......................................................25
Fossil Fuel Applications .............................................................25
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TABLE OF CONTENTS

Electronic Air Cleaner)................................................................25
GAS SUPPLY AND PIPING..........................................................26
High Altitude Derate ...................................................................26
Propane Gas Conversion ...........................................................26
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
the Return Air Ductwork.............................................................31
START-UP PROCEDURE AND ADJUSTMENT .........................33
Heat Anticipator Setting .............................................................33
Drain Trap Priming......................................................................33
Furnace Operation......................................................................33
Furnace Start-Up........................................................................33
Furnace Shutdown .....................................................................33
Gas Supply Pressure Measurement ..........................................33
Temperature Rise .......................................................................35
Circulator Blower Speeds ..........................................................36
Blower Heat Off Delay Timings ..................................................38
NORMAL SEQUENCE OF OPERATION .....................................38
Power Up....................................................................................38
Heating Mode.............................................................................38
Cooling Mode .............................................................................39
Fan Only Mode ...........................................................................39
Operational Checks....................................................................39
SAFETY CIRCUIT DESCRIPTION ...............................................39
General .......................................................................................39
Integrated Control Module .........................................................39
Primary Limit Control..................................................................39
Auxiliary Limit Controls...............................................................39
Rollout Limit Controls.................................................................39
Pressure Switches......................................................................40
Flame Sensor..............................................................................40
MAINTENANCE ............................................................................40
Annual Inspection.......................................................................40
Filters ..........................................................................................40
Burners .......................................................................................41
Induced Draft and Circulator Blowers........................................41
Flame Sensor (Qualified Servicer Only)......................................41
Flue Passages (Qualified Servicer Only) ....................................41
Before Leaving an Installation....................................................41
Repair and Replacement Parts ..................................................41
TROUBLESHOOTING ..................................................................42
Electrostatic Discharge (ESD) ....................................................42
Fault Recall .................................................................................42
Resetting from Lockout..............................................................42
Status Codes..............................................................................42
Diagnostic Chart.........................................................................43
DIP Switch Chart ........................................................................49
WIRING DIAGRAM .......................................................................50
WIRING DIAGRAM .......................................................................51
ASSISTANCE OR SERVICE .........................................................52

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