Whirlpool WGFD295 Instruction Manual

93% AND 95% 2-STAGE VARIABLE-SPEED GAS FURNACE INSTALLATION INSTRUCTIONSThese furnaces comply with requirements embodied in the American National Stan

10For installations above 7,000 ft (2,133.6 m), refer to your distributor for required kit(s).Contact the distributor for a tabular listing of appropr

11Proper Vent/Flue and Combustion Air Piping PracticesAdhere to these instructions to ensure safe and proper furnace performance. The length, diameter

12Vent/Flue PipeVent/flue pipe can be secured to the vent/flue coupling using the rubber coupling and worm gear hose clamps provided with this furnace

13Alternate Vent/Flue LocationThe alternate vent/flue location is the large hole directly in line with the induced draft blower outlet. To use the alt

14Alternate Vent/Flue Location—CounterflowAlternate Vent/Flue Location—Upflow/Horizontal (Counterflow Similar)Alternate Combustion Air Intake Location

15Nondirect Vent ApplicationsRefer to the following tables for applicable length, elbows and pipe diameter for construction of the vent/flue pipe syst

16Vertical Vent Termination (Single Pipe)Alternate Vertical Vent Termination (Single Pipe)Standard Horizontal Vent Termination (Single Pipe)Standard H

17Vent/Flue and Combustion Air Pipe TerminationsThe vent/flue and combustion air pipes may terminate vertically, as through a roof, or horizontally, a

18Vertical Vent Terminations (Dual Pipe)Horizontal terminations should be as shown in “Standard Horizontal Vent Terminations (Dual Pipe)” illustration

19Alternate Horizontal Terminations (Dual Pipe)—Above Highest Anticipated Snow Level In a basement installation, the vent/flue pipe can be run betwee

2TABLE OF CONTENTSGAS FURNACE SAFETY PRECAUTIONS...3PRODUCT DESCRIPTION AND APPLICATION ...4Sh

20Standard Right or Left Side Drain Hose ConnectionsAll installation positions require the use of the drain trap, hoses, tubes and clamps. The followi

21Alternate Upright Upflow Connections—Right Side Only (Counterflow Similar)Upright Installations—Trap on Left SideNOTE: For left side trap installati

222. Secure Hose A to the front cover drain tap with a red hose clamp.3. Route Hose A to the rear right (down) side panel grommet holes.4. Cut ¹⁄₄&quo

23Horizontal Drain Trap Mounting—Left or Right Side Panel1. Position the drain trap against the side panel with the drain tubes inserted into the trap

24To ensure proper unit grounding, the ground wire should run from the furnace ground screw located inside the furnace junction box all the way back t

25A single-stage thermostat with only one heating stage may be used to control this furnace. The application of a single-stage thermostat does not off

26Optional Accessories WiringIf it is necessary for the installer to supply additional line voltage wiring to the inside of the furnace, the wiring mu

27Gas Control ValveThis furnace is equipped with a 24-volt gas control valve controlled during the furnace operation by the integrated control module.

28Gas Piping Connections—UpflowGas Piping Connections—CounterflowGas Piping Connections—Horizontal UpflowGas Piping Connections—Horizontal Counterflow

29Direct/Standard Inlet PipingWhen gas piping enters directly to the gas control valve through the standard inlet hole, the installer must supply stra

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

30Sizing Between 1st and 2nd Stage Regulator*Maximum propane capacities listed are based on 2 psig pressure drop at 10 psig setting. Capacities in 1,0

31CIRCULATING AIR AND FILTERSDuctwork—Airflow Duct systems and register sizes must be properly designed for the CFM and external static pressure rati

32*Minimum filter area dictated by heating airflow requirement.Upright InstallationsDepending on the installation and/or customer preference, filters

33START-UP PROCEDURE AND ADJUSTMENTThis furnace must have a 115 VAC power supply properly connected and grounded. Proper polarity must be maintained f

34Gas Control Valve—Honeywell 2-Stage VR9205Gas Control Valve—Honeywell VR9205 Connected to Manometer1. Turn off the gas supply to the furnace at the

354. Attach a hose and manometer to the outlet pressure barb fitting (Honeywell valve) or outlet pressure boss (White-Rodgers valve).5. Turn on the ga

364. Subtract the return air temperature from the supply air temperature to determine the air temperature rise. Allow adequate time for thermometer re

37Profile A Provides a 1-minute Off delay at 100% of the cooling demand airflow.Profile B Ramps up to 50% of the full cooling demand airflow for 30

38Blower Heat Off Delay TimingsThe integrated control module provides a selectable heat-off delay function. The heat off delay period may be set to 90

39 R and W1 (or R and W1/W2) thermostat contacts open, completing the call for heat. Gas control valve closes, extinguishing flame. Induced draft b

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

40Pressure SwitchesThe pressure switches are normally-open (closed during operation), negative air pressure-activated switches. They monitor the airfl

41BurnersVisually inspect the burner flames periodically during the heating season. Turn on the furnace at the thermostat and allow several minutes fo

42TROUBLESHOOTINGElectrostatic Discharge (ESD) PrecautionsNOTE: Discharge static electricity accumulated in the body before touching the unit. An elec

43Diagnostic ChartThe dual 7-segment LED display will display an error code that may contain a letter and number. The error code may be used to assist

44 Furnace fails to operate. Integrated control module LED display provides “E1” error code.E1 Low-stage pressure switch circuit is closed at start

45 Induced draft blower and circulator blower runs continuously. No furnace operation. Integrated control module LED display provides “E4” error cod

46 Furnace fails to operate on high stage. Furnace operates normally on low stage. Integrated control module LED display provides “E9” error code.E9

47 Furnace fails to operate. Integrated control module LED display provides “b0” error code.b0 Circulator blower motor is not running when it shoul

48 Furnace fails to operate. Integrated control module LED display provides “b4” error code.b4 Circulator blower motor senses a loss of rotor cont

49DIP Switch ChartSwitch DIP Switch NumberBank Purpose Function 1 2 3 4 5 6 7 8 9 10S1 Heat Off Delay90 Seconds Off Off --- --- --- --- --- --- --- --

5Product ApplicationThis furnace is primarily designed for residential home-heating applications. IMPORTANT: This furnace is not designed or certifi

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

51WIRING DIAGRAMCheck codes for proper wiring and circuit protection before installation.NOTES:1. Set heat anticipator on room thermostat at 0.7 amps.

ASSISTANCE OR SERVICEIf you need further assistance, you can write to the below address with any questions or concerns:Tradewinds Distributing Company

6 Centrally locate the furnace with respect to the proposed or existing air distribution system. Check that the temperature of the return air enteri

7A furnace installed in a confined space (for example, a closet or utility room) must have 2 ventilation openings with a total minimum free area of 0.

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

9See “Vent/Flue Pipe and Combustion Air Pipe” for details concerning the conversion to the alternate vent/flue and combustion air connections.When usi