Whirlpool WGFD293 Instruction Manual

93% AND 95% 2-STAGE VARIABLE SPEED GAS FURNACE INSTALLATION INSTRUCTIONSWPIO-368Whirlpool® Home Cooling and Heating14610 Breakers DriveJacksonville, F

10PROPANE GAS/HIGH ALTITUDE INSTALLATIONSThis furnace is shipped from the factory configured for Natural gas at standard altitude. Propane gas install

11Materials and Joining MethodsAs an alternative to PVC pipe, primer, solvent cement and fittings, ABS materials which are in compliance with the foll

12Vent Termination ClearancesIncreased Clearance ConfigurationNOTES: Do not use other commercially available “no hub connectors” due to possible mat

13Alternate Furnace ConnectionsIf the standard locations are undesirable for a specific installation, alternate side panel locations are available for

14Alternate Vent/Flue Location—UpflowAlternate Vent/Flue Location—Counterflow/Upright (Upflow Similar)Alternate Vent/Flue Location—CounterflowAlternat

15Nondirect Vent (Single Pipe) PipingNondirect vent installations require only a vent/flue pipe. The vent pipe can be run horizontally with an exit th

16Vent/Flue Pipe Terminations The vent/flue pipe may terminate vertically, as through a roof, or horizontally, as through an outside wall. Vertical

17Direct Vent (Dual Pipe) PipingThe inlet air screens provided in the installation instruction packet are available for the installer to use in the in

18NOTES: Maximum allowable limits listed are individual lengths for inlet and flue and not a combination. Elbows and/or tees used in the termination

19Horizontal terminations should be as shown in “Standard Horizontal Vent Terminations (Dual Pipe)” illustration. Refer to “Termination Locations” in

2Table of ContentsGAS FURNACE SAFETY PRECAUTIONS...3PRODUCT DESCRIPTION AND APPLICATION ...4Sh

20Horizontal Venting of Multiple FurnacesConcentric Vent TerminationRefer to the directions provided with the Concentric Vent Kit (DCVK) for installat

216. Cut 17³⁄₄" (45.1 cm) from the long end of Hose B and discard.7. Secure the remaining Hose B to Tube 1 with a green hose clamp. 8. Route the

22Upright Standard Connections—Left Side Upflow (Counterflow Similar)Upright Drain Trap Mounting—Left or Right Side Panel1. Insert the drain tubes int

23Horizontal Installations—Left Side DownHorizontal installations with the left side panel down will require the drain hoses to be connected to the le

24115-Volt Line ConnectionsBefore proceeding with electrical connections, ensure that the supply voltage, frequency and phase correspond to that speci

25Thermostat Wiring Diagram—Single-Stage Thermostat ApplicationNOTE: To apply a single-stage heating thermostat, the thermostat selector switch on the

26Fossil Fuel ApplicationsThis furnace can be used in conjunction with a heat pump in a fossil fuel application. A fossil fuel application refers to a

27High Altitude DerateWhen this furnace is installed at high altitude, the appropriate high altitude orifice kit must be applied. This is required due

28 Install a ¹⁄₈" NPT pipe plug fitting, accessible for test gage connection, immediately upstream of the gas supply connection to the furnace.

29Gas Piping Connections—Horizontal CounterflowDirect/Standard Inlet PipingWhen gas piping enters directly to the gas control valve through the standa

3GAS FURNACE SAFETY PRECAUTIONSPlease adhere to the following warnings and cautions when installing, adjusting, altering, servicing or operating the f

30Complete information regarding tank sizing for vaporization, recommended regulator settings, and pipe sizing is available from most regulator manufa

31Data in accordance with NFPA pamphlet Number 54.CIRCULATING AIR AND FILTERSDuctwork—Airflow Duct systems and register sizes must be properly design

32Filters—Read This Section Before Installing the Return Air Ductwork Filters must be used with this furnace. Discuss filter maintenance with the bui

33Upright InstallationsDepending on the installation and/or customer preference, filters can be installed in the central return register or a side pan

34Furnace Shutdown 1. Set the thermostat to the lowest setting. The integrated control will close the gas control valve and extinguish the flame. Foll

35NOTE: Supply pressure must be within the range specified in the Inlet Gas Supply Pressure chart.If the supply pressure differs from chart, make the

36Gas Input Rate Measurement—Natural Gas OnlyThe gas input rate to the furnace must never be greater than that specified on the unit rating plate. To

373. Knowing the furnace model, locate the high-stage cooling airflow charts in the Specification Sheet applicable to your model. Look up the cooling

38Profile D Ramps up to 50% of the full cooling demand airflow for 30 seconds. Then ramps to 82% of the full cooling demand airflow for approximatel

39Blower Heat Off Delay TimingsThe integrated control module provides a selectable heat-off delay function. The heat off delay period may be set to 90

4PRODUCT DESCRIPTION AND APPLICATIONShipping InspectionAll units are securely packed in shipping containers tested according to International Safe Tra

40 Circulator blower continues running during a cool-off delay period. The Off delay time and airflow level are determined by the selected ramping pr

41MAINTENANCE Annual InspectionThe furnace should be inspected by a qualified installer, or service agency at least once per year. This check should b

42Flue Passages (Qualified Servicer Only)The heat exchanger flue passageways should be inspected at the beginning of each heating season. If necessary

43Resetting from LockoutFurnace lockout results when a furnace is unable to achieve ignition after 3 attempts during a single call for heat. It is cha

Symptoms of Abnormal OperationDiagnostic/Staus LED Code Fault Description Possible Causes Corrective Actions Notes and Cautions Furnace fails to oper

45 Induced draft blower runs continuously with no further furnace operation. Integrated control module LED display provides “E2” error code.E2 Low-

46 Furnace not operating. Integrated control module LED display provides “E6” error code.E6 Flame sense microamp signal is low. Flame sensor is c

47 Furnace fails to operate. Integrated control module LED display provides “EA” error code.EA Polarity of 115-volt AC is reversed. Polarity of 11

48 Furnace fails to operate. Integrated control module LED display provides “b1” error code.b1 Integrated control module has lost communications wi

49 Furnace fails to operate. Integrated control module LED display provides “b5” error code.b5 Circulator blower motor fails to start 10 consecuti

5Product limited warranty certificates can be viewed at www.goodmanmfg.com or www.amana-hac.com. Each product overview page contains a Product Warrant

50WIRING DIAGRAM Check codes for proper wiring and circuit protection before installation.NOTES:1. Set heat anticipator on room thermostat at 0.7 a

51ASSISTANCE OR SERVICEIf you need further assistance, you can write to the below address with any questions or concerns:Whirlpool® Home Cooling and H

WPIO-368© 2009. All rights reserved.®Registered Trademark/TM Trademark of Whirlpool, U.S.A.,Manufactured under license by Tradewinds Distributing Comp

6LOCATION REQUIREMENTS AND CONSIDERATIONSFollow the instructions listed below when selecting a furnace location. Refer also to the guidelines provided

7Clearances and AccessibilityInstallations must adhere to the clearances to combustible materials to which this furnace has been design-certified. The

8Combustion and Ventilation Air RequirementsImproved construction and additional insulation in buildings have reduced heat loss by reducing air infilt

9Drain Trap and LinesIn horizontal applications, the condensate drain trap is secured to the furnace side panel, suspending it below the furnace. A mi