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Whirlpool WFCH, Installation Instructions Manual, Page: 23 / 24

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23

ASSISTANCE OR SERVICE

If you need further assistance, you can write to the below 
address with any questions or concerns:

Whirlpool

®

 Home Cooling and Heating

7901 S.W. 6th Court
Plantation, Florida 33324

Please include a daytime phone number in your correspondence.

Accessories

To order accessories ask for the appropriate part number listed 
below or contact your authorized Whirlpool

®

 Home Cooling and 

Heating dealer.

ALPKT572-2

Natural Gas to Propane Conversion Kit

Summary of Contents for WFCH

Page 1: ...trols 20 TROUBLESHOOTING 20 ASSISTANCE OR SERVICE 23 Accessories 23 46889B003 Whirlpool Home Cooling and Heating 7901 S W 6th Court Plantation Florida 33324 Model WFCH You can be killed or seriously injured if you don t immediately follow instructions You can be killed or seriously injured if you don t follow instructions All safety messages will tell you what the potential hazard is tell you how ...

Page 2: ...urn air shall also be handled by duct s sealed to the furnace casing and terminating outside the space containing the furnace A gas fired furnace for installation in a residential garage must be installed as specified in the Location Requirements section of these instructions The furnace is not to be used for temporary heating of buildings or structures under construction The furnace shall be inst...

Page 3: ... Needed Check local codes and with gas supplier Check existing gas supply electrical supply and venting and read Duct Work Requirements Electrical Requirements Gas Supply Requirements and Venting Requirements before purchasing parts Parts Supplied Flue pipe screen LocationRequirements IMPORTANT Do not use the furnace as a heater in a building under construction The furnace can be severely damaged ...

Page 4: ... attachment of suspension rods to the furnace casing The suspending means must be field fabricated and should consist of two cradles made by attaching two rods to a length of angle iron or suitable gauge steel Locate the cradles so that they are as close as possible to the ends of the furnace this will provide access for removal of major components such as the blower assembly Provide enough cleara...

Page 5: ...ic tubing from the pressure tap at the burner access cover and the gas control valve leaving all remaining tubing connected to the pressure switch 8 Remove the control box and combustion blower leaving the safety circuit combustion blower circuit wiring attached to the control box 4 screws 9 Remove the wire channel guard 6 screws Remove the wire hanger P clip located on the lower center screw 10 R...

Page 6: ...ted to L P gas the orifice conversion should be performed at this point See Accessories section for Propane Conversion Kit information 18 Hold the gas control valve with an adjustable wrench Use a pipe wrench to tighten the manifold clockwise revolution 180 so the vertical axis of the gas control valve is perpendicular 90 to the burner orifices 19 Flip the manifold so the gas valve is located on t...

Page 7: ...onent side 28 Remove the blower door interlock switch leaving the wires connected to the switch 29 Cut the wire tie around the blower wiring and route the wires across the top of the blower housing to the opposite side of the furnace making sure all wiring is clear of the blower intakes 30 Install the following parts previously removed from the new component side on the original component side rea...

Page 8: ...to the pressure tap on the burner access cover and the gas valve 43 Install the tubing to the combustion blower 44 Connect all wire harnesses to the following components gas valve plugs primary limit control terminals pressure switch terminals and rollout switch terminals 45 Install the control box to the furnace 4 screws Ensure all wires are routed through openings and are not pinched or abraded ...

Page 9: ...ing If local codes allow the use of a flexible gas appliance connector always use a new listed connector Do not use a connector which has previously serviced another gas appliance VentingRequirements Adequate provisions for combustion air and ventilation of furnace must be made Refer to the National Fuel Gas Code ANSI Z223 1 NFPA54 latest edition Natural Gas and Propane Installation Codes latest e...

Page 10: ...upported every 5 ft and vertical pipe should be supported every 10 ft to prevent sagging and provide rigid support This furnace must not be connected to any Type B BW or L vent or vent connector and must not be connected to any portion of a factory built or masonry chimney This furnace is not to be common vented with any other appliance The vent pipe must not be connected to a chimney flue serving...

Page 11: ...hould be used Vent Pipe Size and Length The vent pipe and air intake pipe should be sized in accordance with the information found in the Vent Tables One 90 elbow is equivalent to 5 ft of pipe Two 45 elbows are equivalent to one 90 elbow The minimum length certified for use with this furnace is 5 ft and one elbow not including the vent and air intake terminals Vent Table 50 000 BTU HR Models Vent ...

Page 12: ...he circulating air inlet and vent discharge of a listed outdoor appliance For direct vent installation of models with an input rating of 50 000 BTUH or less the vent system shall terminate at least 9 in 23 cm from any opening through which flue gases could enter a building For direct vent installation of models with an input greater than 50 000 BTUH the vent system shall terminate at least 12 in 3...

Page 13: ...ral Gas and Propane Installation Codes and these instructions Determine that there is no blockage or restriction leakage corrosion and other deficiencies which could cause an unsafe condition 3 As far as practical close all building doors and windows and all doors between the space in which the appliance s connected to the venting system are located and other spaces of the building 4 Close firepla...

Page 14: ...e to ensure a watertight seal except where noted 1 Install the in NPT x in PVC adapter supplied by screwing it into the drain line using thread sealing tape to seal the connection watertight Condensate Disposal 2 Glue the in 90 PVC street elbow supplied to the trap supplied Be sure to glue it so that the trap outlet will be oriented in the desired direction for drainage NOTE When the furnace is in...

Page 15: ...point away from the supply air outlet of the furnace as shown Installation without an Evaporator Coil If a cooling coil is not installed with the furnace then a removable access panel should be provided in the supply plenum for purposes of inspecting the heat exchanger This opening must be accessible when the furnace is installed It must be large enough that the heat exchanger can be viewed for po...

Page 16: ...white 6 Using UL listed wire nuts connect the ground wire to green pigtail lead 7 Replace the furnace electrical connection box cover and screws MakeGasConnections IMPORTANT This furnace requires conversion for use with propane To order the correct conversion kit see Accessories 1 Install the field gas supply as shown 2 Provide a drip leg on the outside of the furnace 3 Install a shutoff valve in ...

Page 17: ...quipped for rated input at manifold pressures of 3 5 in W C for natural gas and 10 0 in W C for propane gas 1 For natural gas check the furnace rate by observing the gas meter making sure all other gas appliances are turned off The test hand on the meter should be timed for at least one revolution 2 The actual heating value of your gas can be obtained from your local utility company AdjusttheFurna...

Page 18: ...ition CompleteInstallation IMPORTANT Do not use this furnace if any part has been under water Immediately call a qualified person to inspect the furnace and to replace any part of the control system and gas control which has been under water 1 Check to be sure you have all of your tools 2 Dispose of all packaging materials 3 Check the furnace in its final location Be sure the vent is not blocked M...

Page 19: ...rol board which begins the ignition sequence The induced draft blower output energizes The pressure switch senses normal combustion airflow and closes After a 15 second pre purge the control energizes the hot surface igniter After an igniter warm up period the main gas valve energizes Upon main burner ignition the circulating air blower energizes following a 30 second delay When the call for heat ...

Page 20: ...essure TROUBLESHOOTING Furnace Fails to Operate Properly Review Sequence of Operation and visually inspect the following before troubleshooting Is the power to the furnace on Is the blower compartment door securely closed Are the manual shutoff valves in the gas line to the furnace open Failure Codes The system has a built in self diagnostic capability The control continuously monitors its own ope...

Page 21: ...L DELAY OFF SWITCH SETTINGS 60 SEC 90 SEC 120 SEC 150 SEC SEE NOTE 2 FIG 1 SEE NOTE 3 JUMPER R C W Y G BLOWER CONTROL TWIN 24VAC M1 HUM COM NEUTRAL CONT COOL M2 HEAT EAC SEE NOTE 2 1 2 4 1 5 2 6 3 BLK ORG BLU RED HUM EAC SEE NOTE 2 WHT NEUT RED LO ORN MED LO BLU MED TRANSFORMER YEL YEL WHT WHT WHT WHT BLK BLK 120 1 60 FLAME SENSOR HOT SURFACE IGNITER S2 P2 SMARTVALVE IGNITION CONTROL YEL YEL C3 C2...

Page 22: ... 1 NEUTRALS NEUTRALS NEUTRALS 120 VAC N NEUTRALS CIRCULATION FAN HI LOW MED M1 EAC S CONSTANT HEAT COOL HUM K2 K2 K1 K1 AIR CLEANER HUMIDIFIER CONDENSER BLOWER CONTROL CENTER PRESSURE SWITCH HIGH LIMIT ROLLOUT SWITCH G Y W C R T STAT 24 VAC INDUCED DRAFT BLOWER INTERLOCK SWITCH N H TRANSFORMER IGNITER IGNITION CONTROL IF USED IF USED IF USED AUX LIMIT IF USED IF USED SMVII 120 VAC 24 VAC ...

Page 23: ...l Home Cooling and Heating 7901 S W 6th Court Plantation Florida 33324 Please include a daytime phone number in your correspondence Accessories To order accessories ask for the appropriate part number listed below or contact your authorized Whirlpool Home Cooling and Heating dealer ALPKT572 2 Natural Gas to Propane Conversion Kit ...

Page 24: ... reserved Honeywell and SmartValve are trademarks of Honeywell International Inc TM Whirlpool and all other trademarks are owned by Whirlpool U S A used under license by Tradewinds Distributing Company LLC 2 03 Printed in U S A ...

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