Roper TOP-MOUNT REFRIGERATOR Specifications

ICONSUMER SERVICES TECHNICALEDUCATION GROUP PRESENTSAM-4ORPORATIONAPARTMENT MAINTENANCE SERIESJob AidPart No. 4322309“OLD DESIGN”14 cu. ft.“NEW DESIGN

4MULLION EVAPORATOR DESIGN 12 cu. ft. Top-MountTHEORY OF OPERATIONTEMPERATURE CONTROLTemperature control is provided by an adjustable thermostat locat

94SERVICING THE ADAPTIVE DEFROST CONTROLSTATIC ELECTRICITY DISCHARGE MAY CAUSE DAMAGETO THIS ELECTRONIC BOARD.• Use an anti-static wrist strap. Conne

95The Service Replacement Adaptive Defrost Control may need to be modified when installed incertain refrigerator/freezers. This modification should o

96WHIRLPOOL MODEL NUMBERSRefrigerators (1982 - 1986)MODEL NUMBERMARKET CHANNEL(If Present)PRODUCT GROUPE = RefrigerationPRODUCT IDENTIFICATIONT = 2 Do

97WHIRLPOOL MODEL NUMBERSRefrigerators (1987 to Present)MODEL NUMBERMARKET CHANNEL(If Present)PRODUCT GROUPE = RefrigerationPRODUCT IDENTIFICATIONT =

98ROPER SERIAL NUMBERSROPER MODEL NUMBERSRefrigerators (1989 to Present)MODEL NUMBERMARKET CHANNEL(If Present)PRODUCT GROUPR = RefrigerationPRODUCT ID

99ESTATE/HOLIDAY SERIAL NUMBERSESTATE/HOLIDAY MODEL NUMBERSRefrigeratorsMODEL NUMBERMARKET CHANNEL(If Present)PRODUCT GROUPR = RefrigerationPRODUCT ID

100ANSWERS TOCONFIRMATION OF LEARNING EXERCISESection FiveTROUBLESHOOTING AND DIAGNOSIS1. The customer complains that the compres-sor will not start.

VII

VIIICORPORATION

5MULLION EVAPORATOR DESIGN 12 cu. ft. Top-MountHEAT LOOPHEAT LOOP ROUTINGThe heat loop is routed from the condenser outlet up the right side of the ca

6MULLION EVAPORATOR DESIGN 12 cu. ft. Top-MountCOMPONENT ACCESSCOMPRESSORDRIP PAN/COMPRESSORBASEEVAPORATORFANDEFROSTHEATERCONDENSERTHERMOSTATBI-METALE

7MULLION EVAPORATOR DESIGN 12 cu. ft. Top-MountThe compressor and related components are located at the bottom back of the refrigerator/freezerin an o

8MULLION EVAPORATOR DESIGN 12 cu. ft. Top-MountAccessing Freezer Compartment ComponentsThe center rail covering the mullion between the freezer and re

9MULLION EVAPORATOR DESIGN 12 cu. ft. Top-MountDEFROSTHEATERBRACKETTABSWIRECONNECTORDEFROST HEATERDRIP COVERServicing the Defrost Heater1. Disconnect

10MULLION EVAPORATOR DESIGN 12 cu. ft. Top-MountWIRING DIAGRAMSTRIP CIRCUITSCOOLING CYCLECompressor Circuit (at instant of start)

11MULLION EVAPORATOR DESIGN 12 cu. ft. Top-MountCompressor Circuit (running)Defrost Timer Motor CircuitEvaporator Fan Motor CircuitDEFROST CYCLEDefros

12MULLION EVAPORATOR DESIGN 12 cu. ft. Top-Mount-- NOTES --

13OLD DESIGN 12 & 14 cu. ft. Top-MountSection TwoOld Design12 & 14 cu. ft. Top-MountIt is critical that the refrigerator/freezer be properly

IIINTRODUCTIONThis Job Aid, “APARTMENT MAINTENANCE SERIES: Servicing Refrigerators,” (Part Number LIT4322309) has been compiled to provide the most

14OLD DESIGN 12 & 14 cu. ft. Top-MountOnce the unit is located in the final installed location and the rear of the unit is level, proceed tolevel

15OLD DESIGN 12 & 14 cu. ft. Top-MountDoor AlignmentOccasionally, the refrigerator or freezer doorsmay need to be realigned. Evidence of improp-e

16OLD DESIGN 12 & 14 cu. ft. Top-MountFig. 1114, 16 & 18 cu. ft. Top-MountDoor Swing Reversal1. Open the refrigerator door and remove the toep

17OLD DESIGN 12 & 14 cu. ft. Top-MountTHEORY OF OPERATIONMULLION AND STILE HEATERSAll refrigerators have a tendency to sweat around the door openi

18OLD DESIGN 12 & 14 cu. ft. Top-MountAIR CIRCULATIONThe evaporator fan circulates air inside the refrig-erator and freezer sections. (Fig. 24) M

19OLD DESIGN 12 & 14 cu. ft. Top-MountCOMPONENT ACCESSComponent LocationEVAPORATORFANEVAPORATORCONDENSERCOLLECTORPANCOMPRESSORELECTRIC SHOCK HAZAR

20OLD DESIGN 12 & 14 cu. ft. Top-MountServicing the Defrost Timer and ThermostatRemoving the Control BoxThe Control box is attached to the bottom

21OLD DESIGN 12 & 14 cu. ft. Top-MountServicing the ThermostatThe thermostat is mounted in the cross rail areaby two (2) mounting screws.When remo

22OLD DESIGN 12 & 14 cu. ft. Top-MountServicing the Defrost HeaterThe defrost heater is located on the left side and bottom of the evaporator and

23OLD DESIGN 12 & 14 cu. ft. Top-MountServicing the Mullion HeaterThe electrical mullion rail heater can be replaced and can be accessed by removi

IIITABLE OF CONTENTSINTRODUCTION ... IIGOALS AND OBJECTIVES

24OLD DESIGN 12 & 14 cu. ft. Top-MountWIRING DIAGRAM(Early Mullion & Stile Heater Design)STRIP CIRCUITS(Early Mullion & Stile Heater Desig

25OLD DESIGN 12 & 14 cu. ft. Top-MountDefrost Timer Motor CircuitEvaporator Fan Motor CircuitDEFROST CYCLEDefrost Heater CircuitDefrost Timer Moto

26OLD DESIGN 12 & 14 cu. ft. Top-MountREFRIGERATOR LIGHT CIRCUITMULLION HEATER CIRCUIT

27OLD DESIGN 12 & 14 cu. ft. Top-Mount“OLD DESIGN” 14 cu. ft. TOP-MOUNT WIRING DIAGRAM(Recent Mullion & Stile Heater Design)

28OLD DESIGN 12 & 14 cu. ft. Top-Mount“OLD DESIGN” 14 cu. ft. TOP-MOUNT STRIP CIRCUITS(Recent Mullion & Stile Heater Design)COOLING CYCLECompr

29OLD DESIGN 12 & 14 cu. ft. Top-MountREFRIGERATOR LIGHT CIRCUITMODULAR ICE MAKER CIRCUITDefrost Timer Motor CircuitMullion and Stile Heater Circu

30OLD DESIGN 12 & 14 cu. ft. Top-Mount“OLD DESIGN” 14 cu. ft. TOP-MOUNT WIRING DIAGRAM(Adaptive Defrost Control withCurrent Mullion & Stile He

31OLD DESIGN 12 & 14 cu. ft. Top-MountCompressor Circuit (at instant of start)Compressor Circuit (at instant of start)DEFROST CYCLEDefrost Heater

32OLD DESIGN 12 & 14 cu. ft. Top-MountMULLION AND STILE HEATER CIRCUITEVAPORATOR FAN MOTOR CIRCUITREFRIGERATOR LIGHT CIRCUITMODULAR ICE MAKERELECT

33NEW DESIGN 14 cu. ft. Top-MountSection ThreeNew Design14 cu. ft. Top-MountIt is critical that the refrigerator/freezer be properly leveled. Both

IVSAFETY• The power cord must be plugged into a 3-prong grounding-typewall receptacle, grounded in accordance with the NationalElectrical Code, ANSI/N

34NEW DESIGN 14 cu. ft. Top-MountOnce the unit is located in the final installed location and the rear of the unit is level, proceed tolevel the front

35NEW DESIGN 14 cu. ft. Top-MountDoor AlignmentOccasionally, the refrigerator or freezer doorsmay need to be realigned. Evidence of improp-erly align

36NEW DESIGN 14 cu. ft. Top-MountFig. 4214, 16 & 18 cu. ft. Top-MountDoor Swing reversal1. Open the refrigerator door and remove the toepanel at t

37NEW DESIGN 14 cu. ft. Top-MountTHEORY OF OPERATIONHeat Loop RoutingThe heat loop enters the cabinet through a grommet at the bottom and bends to the

38NEW DESIGN 14 cu. ft. Top-MountAir CirculationThe evaporator fan circulates air inside of the refrigerator and freezer section. (Fig. 45) Most of t

39NEW DESIGN 14 cu. ft. Top-MountCOMPONENT ACCESSComponent LocationELECTRIC SHOCK HAZARDDisconnect the electrical power before servicing any component

40NEW DESIGN 14 cu. ft. Top-MountRemoving the Control BoxThe Control box is attached to the bottom of the divider wall separating the freezer and refr

41NEW DESIGN 14 cu. ft. Top-MountServicing the Thermostat1. Pull the knob off the thermostat control.2. Unclip the sensor tube from the groove at the

42NEW DESIGN 14 cu. ft. Top-MountPHILLIPSSCREWSPHILLIPSSCREWS5. Press against the top of the air tower and disengage the two (2) clips from the evapor

43NEW DESIGN 14 cu. ft. Top-MountFAN MOUNTING SCREWWHITE WIREGREEN WIRERED WIREServicing the Bi-Metal1. Unclip the Bi-Metal from the evaporator inlet

VPRODUCT IDENTIFICATION12 cu. ft. “Mullion Evaporator Design” -Distinguishing Characteristics:• Air return louvers located at the front ofthe freezer

44NEW DESIGN 14 cu. ft. Top-MountDEFROSTHEATERPLUGDEFROSTHEATERELEMENTEVAPORATOREVAPORATORHEATERBRACKETCUT HERE& BENDDOWNDEFROSTHEATERSLIDEDEFROST

45NEW DESIGN 14 cu. ft. Top-MountFor A Colder SettingSee Figure 56 for the following.Carefully raise the top of the rear panel of the air tower just f

46NEW DESIGN 14 cu. ft. Top-MountWIRING DIAGRAMSTRIP CIRCUITSCOOLING CYCLECompressor Circuit (at instant of start)

47NEW DESIGN 14 cu. ft. Top-MountCompressor Circuit (running)Defrost Timer Motor CircuitEvaporator Fan Motor CircuitDEFROST CYCLEDefrost Heater Circui

48NEW DESIGN 14 cu. ft. Top-MountDefrost Timer Motor CircuitREFRIGERATOR LIGHT CIRCUITMODULAR ICE MAKER CIRCUIT

49MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountSection FourMid-Line Design16 thru 22 cu. ft. Top-MountIt is critical that the refrigerator/freezer be

50MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountOnce the unit is located in the final installed location and the rear of the unit is level, proceed tole

51MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountDoor AlignmentOccasionally, the refrigerator or freezer doorsmay need to be realigned. Evidence of impr

52MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountFig. 6214, 16 & 18 cu. ft. Top-MountDoor Swing reversal1. Open the refrigerator door and remove the

53MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountTHEORY OF OPERATIONHeat Loop RoutingThe heat loop enters the cabinet through a grommet at the bottom and

VI-- NOTES --

54MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountRETURN AIRRETURNAIREVAPORATOREVAPORATORCOVEREVAPORATOR FANAIR TOWERFREEZERFLOORFREEZERCOMPARTMENTREFRIGE

55MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountCOMPONENT ACCESSComponent LocationELECTRIC SHOCK HAZARDDisconnect the electrical power before servicing

56MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountServicing the Defrost Timer and ThermostatRemoving the Control BoxThe control box is attached to the bot

57MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountServicing the Defrost TimerEarly Production Models:1. Press out on the locking arm and slidethe defrost

58MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountUNCLIP TOREMOVETHERMOSTATPULL BRACKETOUT OF SLOTREDWIREORANGEWIREAIRDAMPERSENSOR TUBE FITS INTO SLOT HER

59MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountDoor Switch Assembly1. Slide the cover forward on the front of the freezer light assembly and remove it.

60MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountCurrent Production Models:Current Production Models of Mid-Line Refrigerators are equipped with a rocker

61MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountRemoving the Freezer Floor and Evaporator CoverAccess to the component behind the evaporator cover and r

62MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountServicing the Evaporator Fan Motor1. Remove the harness wires from the clips at the top of the fan motor

63MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountServicing the Defrost HeaterThe Defrost Heater is located behind the evaporator cover, and wraps around

1MULLION EVAPORATOR DESIGN 12 cu. ft. Top-MountSection OneMullion Evaporator Design12 cu. ft. Top-MountIt is critical that the refrigerator/freezer

64MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountWIRING DIAGRAM(Neutral Path To Defrost Timer Motor through Defrost Heaterand Compressor Run Winding)STRI

65MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountCondenser Fan Motor CircuitDefrost Timer Motor CircuitEvaporator Fan Motor CircuitCompressor Circuit (ru

66MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountDEFROST CYCLEDefrost Heater CircuitDefrost Timer Motor CircuitREFRIGERATOR LIGHT CIRCUITMODULAR ICE MAKE

67MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountWIRING DIAGRAM(Direct Neutral Path to Defrost Timer Motor)

68MID-LINE DESIGN 16 thru 22 cu. ft. Top-Mount“MID-LINE DESIGN” 16 & 18 cu. ft. TOP-MOUNTSTRIP CIRCUITS(Direct Neutral Path to Defrost Timer Motor

69MID-LINE DESIGN 16 thru 22 cu. ft. Top-MountDEFROST CYCLEDefrost Timer and Defrost Heater CircuitREFRIGERATOR LIGHT CIRCUITMODULAR ICE MAKER

70MID-LINE DESIGN 16 thru 22 cu. ft. Top-Mount--NOTES --

71Section FiveTROUBLESHOOTING AND DIAGNOSISHEAVY WARM LOADThe amount of warm food placed in the refrigera-tor affects running time and power consumpti

72SEALED SYSTEM DIAGNOSIS REVIEWEntering and properly processing the sealed refrigeration system requires special equipment andshould only be accompli

73PROBLEM CAUSE PROCEDURECompressor will not start(Parts of this diagnosis andservice procedure must beperformed by a qualifiedrefrigeration system se

2MULLION EVAPORATOR DESIGN 12 cu. ft. Top-MountOnce the unit is located in the final installed location and the rear of the unit is level, proceed tol

74PROBLEMCAUSE PROCEDURECompressor stops on over-load(Parts of this diagnosis andservice procedure must beperformed by a qualifiedrefrigeration system

75PROBLEMCAUSE PROCEDURE5.Interior air circulationa.Evaporator Fan notrunningb.Restriction in air ductsc.Air control open too wide6.Abnormal use7.Bad

761.Thermostata.Set too coldb.Sensing tube not properlypositionedc.Out of calibration or notfunctioning2.Air control closedPROBLEMCAUSE PROCEDUREFreez

77PROBLEM PROCEDURE READINGSCOMPRESSOR 1.Touch probes of ohmmeterto M and C terminals2.Touch probes of ohmmeterto S and C terminals3.Ground Test: Tou

78PROBLEMPROCEDURE READINGSThe meter should read “zero” resistance(contacts closed). If it reads anything else,replace the timer.The meter should rea

79PROBLEMPROCEDURE READINGSDEFROST HEATER Locate the test terminalsinside the control box. (Brownand Pink wires) Touch themeter probes to the ends of

80Electromechanical Defrost TimerThe Defrost Timer Motor and Switch can be tested in Electromechanical Defrost Timers.To Test the Timer Switch:1. Disc

81ThermostatThe Thermostat can be tested with an Ohmmeter.To Test the Thermostat:1. Disconnect the wire connectors from the thermostat terminals.2. Se

82Evaporator Fan MotorThe Evaporator fan motor can be tested with anohmmeter set on the Rx1K scale.To test the Evaporator Fan Motor:1. Disconnect the

83Bi-MetalThe Bi-Metal can be tested by using the test lead plug located in the control box. The test lead plugis connected to a brown and a pink wir

3MULLION EVAPORATOR DESIGN 12 cu. ft. Top-MountDOOR SWING REVERSAL1. Open the refrigerator door and remove the toe panel at the bottom of the unit.2.

84Defrost Heater (All models except Mullion Evaporator Design)The Defrost heater can be tested with an ohmmeter set on the Rx1K scale.To Test the Defr

85TestingStartWindingTestingRunWindingTesting forShort to GroundMCompressor TerminalConfigurationsCSM(R)SSM(R)M(R)CC

86Start RelayThe Start Relay can be tested with an ohmmeter set on the Rx1 scale.To Test the Current Draw Type Start Relay:1. Locate the start relay c

87PTCRelayRun CapacitorThe Run Capacitor can be tested with an ohmmeter set on the Rx10K scale.To Test the Capacitor:1. Locate the capacitor in the co

88CONFIRMATION OF LEARNING EXERCISE1. The customer complains that the compres-sor will not start. Which of the followingcould be the cause of the pro

89Section SixTECH TIPSREPLACING ELECTROMECHANICAL TIMERSThe current universal defrost timer kit (Part No. 482493) will work as a service replacement i

90DOOR GASKET REPLACEMENTBeginning in 1993 all Mid-Line Top-Mount Refrigerator/Freezers are equipped with Foamed-In-Place(FIP) doors. FIP refers to t

914. DO NOT PULL ON THE GASKET. This action will pull the interior door liner away from theexterior door panel. To remove the gasket, pull away from

922. Using your fingers, snap the gasket into place under the lip of the inner liner. If a section ofthe gasket does not readily tuck under the lip,

93Repair Procecure:1. Make sure the base of the gasket is tucked under the lip of the inner liner. DO NOT PULLUP ON THE INNER LINER.2. Gently roll th