Whirlpool WPIO-369B Instruction Manual

80% 2-STAGE VARIABLE SPEED GAS FURNACE INSTALLATION INSTRUCTIONSThese furnaces comply with requirements embodied in the American National Standard/Nat

10Typical Multiple Flue Clay Tile ChimneyChecklist SummaryThis checklist serves as a summary of the items to be checked before venting an 80+ furnace

11If the chimney does not meet these termination requirements, but all other requirements in the checklist can be met, it may be possible for a mason

12Flexible liners should be hung straight or nearly straight. If it is spiraled in the chimney and in good condition, it should be rehung. To do this,

13If a flexible liner is to be used, it must be made of the proper materials, such as: For most residential applications, an aluminum liner should be

14To make electrical connections through the opposite side of the furnace, the junction box must be relocated to the other side of the burner or blowe

15NOTES: For single-stage cooling applications, a jumper may be required between Y1 and Y2 at the furnace control in order to achieve the desired si

1624-Volt Dehumidistat WiringThe optional usage of a dehumidistat allows the furnace’s circulator blower to operate at a slightly lower speed (82% of

17If it is necessary for the installer to supply additional line voltage wiring to the inside of the furnace, the wiring must conform to all local cod

18Gas Piping ConnectionsWhen sizing a trunk line, be sure to include all appliances which will operate simultaneously. The gas piping supplying the fu

19 Drip leg Manual shutoff valve Transition piece from ¹⁄₂" to another pipe size, if neededWhen the gas piping enters through the left side o

2TABLE OF CONTENTSGAS FURNACE SAFETY PRECAUTIONS...3Additional Safety Considerations...

20Sizing 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

21CIRCULATING AIR AND FILTERSDuctwork—Airflow Duct systems and register sizes must be properly designed for the CFM and external static pressure rati

22START-UP PROCEDURE AND ADJUSTMENTThis furnace must have a 115 VAC power supply properly connected and grounded. Proper polarity must be maintained f

23Gas Control Valve—Honeywell 2-Stage VR9205Gas Control Valve—Honeywell VR9205 Connected to Manometer1. Turn off the gas supply to the furnace at the

243. Outlet pressure tap connections: Honeywell VR9205 valve: Remove the outlet pressure boss plug. Install an ¹⁄₈" NPT hose barb fitting into t

25Temperature Rise MeasurementRise = Supply air temperature - Return air temperature4. Subtract the return air temperature from the supply air tempera

26Speed Taps—AdjustComfort Mode ProfilesThe multispeed circulator blower also offers several custom On/Off ramping profiles. These profiles may be use

27To Set Airflow1. Select the model and desired high-stage cooling airflow. 2. Determine the corresponding tap (A, B, C, or D). 3. Set DIP switches 1

28 If the thermostat call is for low heat, the gas control valve and induced draft blower will continue on low stage. If the call is for high heat, t

29Primary Limit ControlThe primary limit control is located on the partition panel and monitors heat exchanger compartment temperatures. It is a norma

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

30BurnersVisually inspect the burner flames periodically during the heating season. Turn on the furnace at the thermostat and allow several minutes fo

31TROUBLESHOOTINGElectrostatic Discharge (ESD) PrecautionsNOTE: Discharge static electricity accumulated in the body before touching the unit. An elec

32Diagnostic 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

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

34 No furnace operation. Integrated control module LED display provides “E5” error code.E5 Open fuse. Short in low voltage wiring. Locate and co

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

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

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

38DIP Switch ChartSwitch DIP Switch NumberBank Purpose Function 1 2 3 4 5 6 7 8 9 10S1 Heat Off Delay90 Seconds Off Off --- --- --- --- --- --- --- --

39WIRING DIAGRAM Check codes for proper wiring and circuit protection before installation.NOTES:1. Set heat anticipator on room thermostat at 0.7 a

4Additional Safety Considerations This furnace is approved for Category I venting only. Provisions must be made for venting combustion products outd

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

5Important Note to the Owner Regarding Product WarrantyYour warranty certificate is supplied as a separate document with the unit installed by your co

6The rated heating capacity of the furnace should be greater than or equal to the total heat loss of the area to be heated. The total heat loss should

7Counterflow Installation Over a Noncombustible Floor Before setting the furnace over the plenum opening, ensure that the surface around the opening

8Existing Furnace RemovalNOTE: When an existing furnace is removed from a venting system serving other appliances, the venting system may be too large

9All installations must be vented in accordance with National Fuel Gas Code NFPA 54/ANSI Z223.1—latest edition. In Canada, the furnaces must be vented