Whirlpool 4322452 Spezifikationen

GAS RANGES 4322452

Page 1-4CHARACTERISTICS OF GAS FUELSEach of the four types of gas has a specific boiling point (see Figure 1-2). The boiling point isreferred to as th

Page 1-5DISTRIBUTION OF NATURAL GASUtility companies send natural gas through underground pipes, called “mains.” The gas in thesemains is pressurized

Page 1-6DISTRIBUTION OF L.P. GASFor Liquid Propane (L.P.) gas, appliances generally operate on gas pressure rated at between 10and 12 inches water col

Page 2-1PRESSURE REGULATORSFUNCTIONSA Gas Pressure Regulator is a mechanical device that performs the following two functions:• Reduces higher incomin

Page 2-2REGULATOR OPERATIONThe pressure of the gas coming into the pressure regulator pushes against a spring-loadeddiaphragm, forcing it upward. The

Page 2-3The amount of spring tension applied to the diaphragm determines the output pressure of theregulator (see Figure 2-5).Figure 2-5Cap (L.P. Posi

Page 2-4REGULATOR DIAGNOSTICSCommon causes for regulator failure are:A. Ruptured diaphragm.B. Broken or worn valve.C. Debris accumulating around the v

Page 2-5MEASURING GAS PRESSUREGas pressure is measured in Inches of Water Column Pressure (WCP). It takes 28" WCP toequal one pound per-square-in

Page 2-644332210HoseNew WaterLevelsTotal Change InWater Column =4.00 IN. W.C.2.00 IN.2.00 IN.IncomingGas Flow18. Observe the movement of the water in

Page 3-1THE COOKTOP BURNER SYSTEMGAS DISTRIBUTIONAfter gas passes through the gas pressure regulator, it enters the gas manifold for distribution toth

iiCopyright 1998 Whirlpool Corporation, Benton Harbor, MIWHIRLPOOL CORPORATION assumes no responsibility forany repair made on our products by anyone

Page 3-2GAS VALVEA typical Whirlpool gas valve and its component breakdown is shown in Figure 3-2. The gas valvesare used to control the gas flow to t

Page 3-3GAS VALVE ORIFICESAn orifice is an opening used to control the direction and amount of gas that is discharged to aburner. Orifices are availab

Page 3-4L.P. AND NATURAL GAS ORIFICESThe actual size and configuration of each orifice depends on several factors. The most importantfactor, however,

Page 3-5When L.P. gas is used, the cap is tightened down2-1/2 turns so that it rests against the L.P. insert,closing off the spacing between the two (

Page 3-6GAS VALVE ORIFICE DIAGNOSTICSA gas valve orifice is often a source for gas range problems. Some of the problems that arise withan orifice are

Page 3-7PERFORMANCE CHECK1. Remove the gas valves.2. Remove the orifices.

Page 3-8BURNER OPERATIONTo understand how a burner operates, it is important to understand the following terms (see Figure3-9):Gas:The fuel used by th

Page 3-9= Gas= AirVenturi(ConstrictingArea)Adjustment ScrewAdjustableAir ShutterExpandingAreaPrimary AirGas InletMixed Air & Gas OutletFigure 3-12

Page 3-10BURNER HEADWhen gas leaves the orifice, it passes through the venturi, and is forced into the burner head. Asthe gas passes between the orif

Page 3-11Outer EnvelopeInner Cone PushesThrough Outer ConeOuter ConeFlame LiftsOff BurnerFigure 3-15The outer cone surrounds the inner cone. The outer

iiiTable Of ContentsFundamental Properties Of Gas ... 1-1Meas

Page 3-12The inner-cone combustion process will occur in increased levels, and will release more of theharmful by-products, CO and Aldehydes. The leve

Page 3-13Flame QuenchingFlame quenching occurs when the flame is cooled before complete combustion occurs. Placingan object, such as an oven flame spr

Page 3-14Figure 3-20In the case of an over-fueled burner, the excessive length of the flames can result in the quenchingat the oven flame spreader or

Page 3-15IMPROPER FLAME DIAGNOSTICSFor any of the improper flames discussed, refer to the following chart for the appropriate correctiveactions. In mo

Page 3-16BurnerClimber PortCLEANING THE BURNERSThe most common burner maIfunction is clogging due to excess dirt and debris, which can enterthe burner

Page 3-171/4" FlameBracketPilot Flame SizeFigure 3-23STANDING PILOT IGNITION SYSTEMOPERATIONThe ignition system provides heat, which is the third

Page 3-18When the gas control valve is turned on, gas flows to the burner head, and out the ports. There areports at both the top and side of the burn

Page 3-19ADJUSTING THE PILOT FLAME HEIGHTA pilot that frequently blows out may be set too high, or too low. To adjust the pilot flame to thecorrect he

Page 3-20CLEANING THE PILOTThe small opening of a pilot can easily become clogged with dust, grease, or food, preventingproper gas flow. A pilot that

Page 3-21ELECTRONIC IGNITION SYSTEMOPERATIONThe Electronic Ignition System performs the same function as the standing pilot ignition system.However, i

ivPageNatural And L.P. Gas Conversion ... 5-1General...

Page 3-22IGNITORSPARKMODULETO IGNITORSWITCHESTO SURFACE BURNER IGNITORFigure 3-30Figure 3-31Ground Strap (Bracket)Metal RodElectrode WireCeramicInsula

Page 3-23CONVENTIONAL BURNERWhen a main burner control knob q is turned to the “lite” position, the gas valve r opens, andgas flows through the pressu

Page 3-24PRESSURE REGULATORGAS INLETIGNITORSPARKMODULEAIR SHUTTERGAS VALVEIGNITOR SWITCHVENTURIBURNER CONTROLKNOBGAS MANIFOLDSPARKIGNITORBURNER CAPTO

Page 3-25ELECTRONIC IGNITION DIAGNOSTICSProblems with electronic ignition systems usually occur in one of two ways: the electrode will notspark, or th

Page 3-26PERFORMANCE CHECK1. Remove the burners.2. Remove the ignition system (ignitor spark module, ignitor switches, and surface burnerignitors).

Page 4-1THE OVEN BURNER SYSTEMSTANDING PILOT IGNITIONOFFNATLPOven ThermostatOven BurnerMain Gas LinePilot Gas LineSensing Bulb &Capillary TubePilo

Page 4-2The Thermostat is a hydraulic valve that has two separate gas lines and a sensing bulb (seeFigure 4-2 ). The pilot gas line maintains a pilot

Page 4-3The interaction between the thermostat and the safety valve is very important and critical to theoperation of the oven. The thermostat provide

Page 4-4As this is taking place, the thermostat also opens the main gas line, and provides gas to the safetyvalve (see Figure 4-6). As soon as the saf

Page 4-5OFFNATLPOFFNATLPOven ThermostatMain Gas LinePilot Gas LineNatural GasSettingAdjustmentScrewGas “OFF”SettingL.P. GasSettingNOTE: The thermostat

vINTRODUCTIONThis program is designed to teach the servicer basic skills in handling commonservice procedures for gas ranges. This program does not co

Page 4-6GLO-BAR IGNITIONThe Glo-Bar Ignition System (see Figure 4-10) is a 120-volt electrical system that consists ofthree important components. The

Page 4-7BROIL200250300350400450500550OFFBROIL200250300350400450500550OFF1. Oven OffSwitch Open2. Oven On3. Oven Temp ReachedPressure Expands Sensor A

Page 4-8The Oven Ignitor is made of a silicon-carbide material (see Figure 4-13).Oven Glo-BarIgnitorFigure 4-13When voltage is applied to the ignitor,

Page 4-9Gas Outlet(To Oven Burner)No Current Flow -Valve Is ClosedGas Inlet(From Regulator)120 VoltSupply TerminalSafety ValveBimetal & Heater Coi

Page 4-10Throughout the cooking cycle, the oven will continue to “heat up” and “cool down” to maintain theselected temperature (see Figure 4-19). This

Page 4-11Safety Valve ClosedNo Gas Flow To Oven BurnerSafety ValveNL1Low AmperageTo Oven BurnerOven Glo-BarIgnitor200˚ Heat From OvenThermostat Switch

Page 4-12Oven Control Panel(Thermostat)Bake BurnerWires ToBroil RelayWires ToBake RelayBroil BurnerMain GasInletBroil GasLineGlo-BarIgnitorsDual Safet

Page 4-13Figure 4-23Figure 4-24Dual Safety ValveMain Gas InletBroil BimetalTerminalsBake BimetalTerminalsBake BurnerGas OutletBroil BurnerGas OutletTh

Page 4-14The electronic board is constructed with individual relays to operate the Bake, Broil, and Self Cleanfunctions independently of each other. T

Page 4-15By the construction of the relays, both the Bake Function (see Figure 4-27), and the Broil function(see Figure 4-28), can not operate at the

vi— NOTES —

Page 4-16F-CODE GUIDELINESF0 = If the most recent F-code is recalled via user input, F0 indicates no failure has occurred.F1 = Electronics Subsystem F

Page 4-17PERFORMANCE CHECK1. Remove the oven’s operating system (burners, safety valves, and ignitors).

Page 4-18THE SELF-CLEAN OVEN DOOR LOCKING SYSTEMAt any time a range is in a self-clean operation, it needs to provide a safe environment for thecustom

Page 4-19Figure 4-30When the solenoid plunger extends, two things happen (see Figure 4-30). As the latch solenoidlocks the door, it also activates the

Page 4-20Figure 4-31L1NBKWOVEN CONTROLLATCH SOLENOID RELAYLATCH SOLENOIDP4P1-3P1-5BUGYYYWWWBKRDOOR LATCH SWITCHDOOR LATCHSWITCHDOORLIGHT SW.OVEN LIGH

Page 5-1NATURAL AND L.P. GAS CONVERSIONGENERALRanges must be adjusted when going from one type of fuel to another due to the characteristicsof the gas

Page 5-2Natural L.P.Spring Retainer CapGasketGas IntletSpringFigure 5-1ASpringGas OutletFigure 5-1BGas IntletGas OutletL.P.Natural CapCONVERTING A PRE

Page 5-3CONVERTING AN OVEN THERMOSTATIf the range is equipped with a standing pilot in the oven, an adjustment for the pilot must be made.The gas for

Page 5-4Bake BurnerAir ShutterBURNER FLAME ADJUSTMENTAfter converting the range to L.P. gas operation, it may be necessary to adjust each burner flame

Page 5-5PERFORMANCE CHECK1. Convert the pressure regulator, cooktop and oven burners, for use with L.P. gas.

Page 1-1FUNDAMENTAL PROPERTIES OF GASMEASURING HEAT ENERGYWhen burning a gas fuel, heat energy is produced. This heat energy is usually expressed in B

Page 5-6— NOTES —

Page 6-1TESTING THE COMPONENTSWARNING LABELSThis manual is intended for factory-service technicians only. We recommend that customers DONOT service th

Page 6-2GENERAL INFORMATION1. When diagnosing a problem, always begin by checking the range for the proper line voltage,open fuses, and defective comp

Page 6-3Steady State Current = 3.0 Amps @ 115 ±1 VAC @ 75˚F ±10˚Ambient.Cold Resistance = 500 Ω TO 1100 Ω @ 75˚F ±10˚ Ambient.Maximum Operating Temper

Page 6-4OFFLITEControl OFFSwitch OpenOFFLITEControl Set To LiteSwitch Closed5. Turn the control knob to the LITE position, and the meter should indica

Page 6-5TESTING AN OVEN LIGHT SWITCHThe oven light switch can be a rocker-type, (see Figure 6-4A), or a pushbutton-type (see Figure6-4B) switch. The r

Page 6-6TESTING AN OVEN TEMPERATURE SENSORSome oven controls use an oven temperature sensor (see Figure 6-5) to operate the bake, broil,and self-clean

Page 6-7To test the solenoid windings, perform the following steps:1. Turn off the gas and electrical power to the range.2. Set the ohmmeter to the R

Page 6-8SWITCHCOMNOTERMINALSFigure 6-8To test the switch(es):1. Turn off the gas and electrical power to the range.2. Disconnect the wires from the sw

Page 6-9TESTING A GAS SAFETY VALVESome gas ranges use an electrically-controlled gas safety valve to control the flow of gas to theoven burner. The el

Page 1-2FUEL TYPESGas Fuels are categorized as follows:#1 = Natural Gas#2 = Mixed Gas#3 = Manufactured Gas#4 = Liquefied Petroleum Gas#1 — NATURAL GAS

Page 6-10TESTING THE GAS CONTROL VALVESThe top burner gas valves control the gas flow to the top burners. The valve is a barrel and core,grease sealed

Page 6-11TESTING THE GAS PRESSURE REGULATORThe pressure regulator is a mechanical device that reduces the higher incoming gas pressure toa lower outgo

Page 6-12PROBLEM POSSIBLE CAUSE SOLUTION Gas odor. Gas odor with all pilots lit or with electronic ignition. Surface burner does not light. Surfa

Page 6-13 Oven burner does not light. Oven burner pilot does not stay lit. Oven does not hold set tempera- ture so that oven bakes unevenly. Self

Page 6-14SCHEMATIC DIAGRAMSStandard RangeL1NBKBKVVRRWWWBKYYBKOVENTEMPSENSORSURFACE BURNERIGNITOR SWITCHESIGNITOR MODULEDOORSW.OVEN CONTROLTRANSFORMERP

Page 6-15L1NBKBKVVWWWBUBURRBRBUGYYYWWWWWBK BKBKBKOVENTEMPSENSOROVEN CONTROLTRANSFORMERP5P1-1P1-5P1-3P4P1-6P1-7P3-1P2-1P3-4P3-2P2-4P2-2LATCH SOLENOIDRE

Page 6-16L1 NWBKBKRWVVOVEN CONTROLOVEN CONTROLTRANSFORMERSENSORBAKE RELAYBAKE VALVEBAKE IGNITORBROIL RELAYP3-4P3-1P1-6 P1-7P5 P2-1P2-4BAKESTRIP CIRCUI

Page 6-17L1 NWBKBKBUBRBU GYGYYWWVVOVEN CONTROLOVEN CONTROLTRANSFORMERSENSORBAKE RELAYBAKE VALVEBAKE IGNITORBROIL RELAYLATCH RELAY*P3-4P4P3-1P1-6(N.O.)

Page 6-18— NOTES —

Page 1-3Category 1– Natural Gas –Contains Methane & Ethane.Sour Natural GasContains Hydrogen SulfideWhich Corrodes Copper & Brass.It Has A Hea